/* $Procedure ZZEKLLEI ( EK, last less than or equal to, integer ) */ /* Subroutine */ int zzekllei_(integer *handle, integer *segdsc, integer * coldsc, integer *ikey, integer *prvloc, integer *prvptr) { extern /* Subroutine */ int zzekcnam_(integer *, integer *, char *, ftnlen); extern logical zzekscmp_(integer *, integer *, integer *, integer *, integer *, integer *, integer *, char *, doublereal *, integer *, logical *, ftnlen); extern /* Subroutine */ int zzekixlk_(integer *, integer *, integer *, integer *); integer begin; extern /* Subroutine */ int chkin_(char *, ftnlen), errch_(char *, char *, ftnlen, ftnlen); integer dtype, nrows, middle; logical indexd; char column[32]; integer begptr, endptr, midptr; extern /* Subroutine */ int setmsg_(char *, ftnlen), sigerr_(char *, ftnlen), chkout_(char *, ftnlen), errint_(char *, integer *, ftnlen); integer end; /* $ Abstract */ /* Find the last column value less than or equal to a specified key, */ /* for a specified, indexed integer EK column. */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* $ Required_Reading */ /* EK */ /* $ Keywords */ /* EK */ /* PRIVATE */ /* $ Declarations */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Boolean Enumerated Type */ /* ekbool.inc Version 1 21-DEC-1994 (NJB) */ /* Within the EK system, boolean values sometimes must be */ /* represented by integer or character codes. The codes and their */ /* meanings are listed below. */ /* Integer code indicating `true': */ /* Integer code indicating `false': */ /* Character code indicating `true': */ /* Character code indicating `false': */ /* End Include Section: EK Boolean Enumerated Type */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Column Name Size */ /* ekcnamsz.inc Version 1 17-JAN-1995 (NJB) */ /* Size of column name, in characters. */ /* End Include Section: EK Column Name Size */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Column Descriptor Parameters */ /* ekcoldsc.inc Version 6 23-AUG-1995 (NJB) */ /* Note: The column descriptor size parameter CDSCSZ is */ /* declared separately in the include section CDSIZE$INC.FOR. */ /* Offset of column descriptors, relative to start of segment */ /* integer address range. This number, when added to the last */ /* integer address preceding the segment, yields the DAS integer */ /* base address of the first column descriptor. Currently, this */ /* offset is exactly the size of a segment descriptor. The */ /* parameter SDSCSZ, which defines the size of a segment descriptor, */ /* is declared in the include file eksegdsc.inc. */ /* Size of column descriptor */ /* Indices of various pieces of column descriptors: */ /* CLSIDX is the index of the column's class code. (We use the */ /* word `class' to distinguish this item from the column's data */ /* type.) */ /* TYPIDX is the index of the column's data type code (CHR, INT, DP, */ /* or TIME). The type is actually implied by the class, but it */ /* will frequently be convenient to look up the type directly. */ /* LENIDX is the index of the column's string length value, if the */ /* column has character type. A value of IFALSE in this element of */ /* the descriptor indicates that the strings have variable length. */ /* SIZIDX is the index of the column's element size value. This */ /* descriptor element is meaningful for columns with fixed-size */ /* entries. For variable-sized columns, this value is IFALSE. */ /* NAMIDX is the index of the base address of the column's name. */ /* IXTIDX is the data type of the column's index. IXTIDX */ /* contains a type value only if the column is indexed. For columns */ /* that are not indexed, the location IXTIDX contains the boolean */ /* value IFALSE. */ /* IXPIDX is a pointer to the column's index. IXTPDX contains a */ /* meaningful value only if the column is indexed. The */ /* interpretation of the pointer depends on the data type of the */ /* index. */ /* NFLIDX is the index of a flag indicating whether nulls are */ /* permitted in the column. The value at location NFLIDX is */ /* ITRUE if nulls are permitted and IFALSE otherwise. */ /* ORDIDX is the index of the column's ordinal position in the */ /* list of columns belonging to the column's parent segment. */ /* METIDX is the index of the column's integer metadata pointer. */ /* This pointer is a DAS integer address. */ /* The last position in the column descriptor is reserved. No */ /* parameter is defined to point to this location. */ /* End Include Section: EK Column Descriptor Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Operator Codes */ /* ekopcd.inc Version 1 30-DEC-1994 (NJB) */ /* Within the EK system, operators used in EK queries are */ /* represented by integer codes. The codes and their meanings are */ /* listed below. */ /* Relational expressions in EK queries have the form */ /* <column name> <operator> <value> */ /* For columns containing numeric values, the operators */ /* EQ, GE, GT, LE, LT, NE */ /* may be used; these operators have the same meanings as their */ /* Fortran counterparts. For columns containing character values, */ /* the list of allowed operators includes those in the above list, */ /* and in addition includes the operators */ /* LIKE, UNLIKE */ /* which are used to compare strings to a template. In the character */ /* case, the meanings of the parameters */ /* GE, GT, LE, LT */ /* match those of the Fortran lexical functions */ /* LGE, LGT, LLE, LLT */ /* The additional unary operators */ /* ISNULL, NOTNUL */ /* are used to test whether a value of any type is null. */ /* End Include Section: EK Operator Codes */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Segment Descriptor Parameters */ /* eksegdsc.inc Version 8 06-NOV-1995 (NJB) */ /* All `base addresses' referred to below are the addresses */ /* *preceding* the item the base applies to. This convention */ /* enables simplied address calculations in many cases. */ /* Size of segment descriptor. Note: the include file ekcoldsc.inc */ /* must be updated if this parameter is changed. The parameter */ /* CDOFF in that file should be kept equal to SDSCSZ. */ /* Index of the segment type code: */ /* Index of the segment's number. This number is the segment's */ /* index in the list of segments contained in the EK to which */ /* the segment belongs. */ /* Index of the DAS integer base address of the segment's integer */ /* meta-data: */ /* Index of the DAS character base address of the table name: */ /* Index of the segment's column count: */ /* Index of the segment's record count: */ /* Index of the root page number of the record tree: */ /* Index of the root page number of the character data page tree: */ /* Index of the root page number of the double precision data page */ /* tree: */ /* Index of the root page number of the integer data page tree: */ /* Index of the `modified' flag: */ /* Index of the `initialized' flag: */ /* Index of the shadowing flag: */ /* Index of the companion file handle: */ /* Index of the companion segment number: */ /* The next three items are, respectively, the page numbers of the */ /* last character, d.p., and integer data pages allocated by the */ /* segment: */ /* The next three items are, respectively, the page-relative */ /* indices of the last DAS word in use in the segment's */ /* last character, d.p., and integer data pages: */ /* Index of the DAS character base address of the column name list: */ /* The last descriptor element is reserved for future use. No */ /* parameter is defined to point to this location. */ /* End Include Section: EK Segment Descriptor Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Data Types */ /* ektype.inc Version 1 27-DEC-1994 (NJB) */ /* Within the EK system, data types of EK column contents are */ /* represented by integer codes. The codes and their meanings */ /* are listed below. */ /* Integer codes are also used within the DAS system to indicate */ /* data types; the EK system makes no assumptions about compatibility */ /* between the codes used here and those used in the DAS system. */ /* Character type: */ /* Double precision type: */ /* Integer type: */ /* `Time' type: */ /* Within the EK system, time values are represented as ephemeris */ /* seconds past J2000 (TDB), and double precision numbers are used */ /* to store these values. However, since time values require special */ /* treatment both on input and output, and since the `TIME' column */ /* has a special role in the EK specification and code, time values */ /* are identified as a type distinct from double precision numbers. */ /* End Include Section: EK Data Types */ /* $ Brief_I/O */ /* Variable I/O Description */ /* -------- --- -------------------------------------------------- */ /* HANDLE I File handle. */ /* SEGDSC I Segment descriptor. */ /* COLDSC I Column descriptor. */ /* IKEY I Integer key. */ /* PRVLOC O Ordinal position of predecessor of IKEY. */ /* PRVPTR O Pointer to a record containing predecessor of IKEY. */ /* $ Detailed_Input */ /* HANDLE is an EK file handle. The file may be open for */ /* reading or writing. */ /* SEGDSC is the segment descriptor of the segment */ /* containing the column specified by COLDSC. */ /* COLDSC is the column descriptor of the column to be */ /* searched. */ /* IKEY is an integer key. The last column entry */ /* less than or equal to this key is sought. */ /* $ Detailed_Output */ /* PRVLOC is the ordinal position, according to the order */ /* relation implied by the column's index, of the */ /* record containing the last element less than or */ /* equal to IKEY. If the column contains elements */ /* equal to IKEY, PRVLOC is the index of the last */ /* such element. */ /* If all elements of the column are greater than */ /* IKEY, PRVLOC is set to zero. */ /* PRVPTR is a pointer to the record containing the element */ /* whose ordinal position is PRVLOC. */ /* If all elements of the column are greater than */ /* IKEY, PRVPTR is set to zero. */ /* $ Parameters */ /* None. */ /* $ Exceptions */ /* 1) If HANDLE is invalid, the error will be diagnosed by routines */ /* called by this routine. */ /* 2) If the data type of the input column is not character, */ /* the error SPICE(INVALIDTYPE) is signalled. */ /* 3) If the input column is not indexed, the error */ /* SPICE(NOTINDEXED) is signalled. */ /* 4) If the index type of the input column is not recognized, */ /* the error will be diagnosed by routines called by this */ /* routine. */ /* 5) If an I/O error occurs while reading or writing the indicated */ /* file, the error will be diagnosed by routines called by this */ /* routine. */ /* $ Files */ /* See the EK Required Reading for a discussion of the EK file */ /* format. */ /* $ Particulars */ /* This routine finds the last column element less than or equal */ /* to a specified integer key, within a specified segment and */ /* column. */ /* In order to support the capability of creating an index for a */ /* column that has already been populated with data, this routine */ /* does not require that number of elements referenced by the */ /* input column's index match the number of elements in the column; */ /* the index is allowed to reference fewer elements. However, */ /* every record referenced by the index must be populated with data. */ /* $ Examples */ /* See ZZEKILLE. */ /* $ Restrictions */ /* None. */ /* $ Literature_References */ /* None. */ /* $ Author_and_Institution */ /* N.J. Bachman (JPL) */ /* $ Version */ /* - Beta Version 1.0.0, 09-NOV-1995 (NJB) */ /* -& */ /* Non-SPICELIB functions */ /* Local variables */ /* Use discovery check-in. */ /* If the column's not indexed, we have no business being here. */ indexd = coldsc[5] != -1; if (! indexd) { zzekcnam_(handle, coldsc, column, (ftnlen)32); chkin_("ZZEKLLEI", (ftnlen)8); setmsg_("Column # is not indexed.", (ftnlen)24); errch_("#", column, (ftnlen)1, (ftnlen)32); sigerr_("SPICE(NOTINDEXED)", (ftnlen)17); chkout_("ZZEKLLEI", (ftnlen)8); return 0; } /* Check the column's data type. */ dtype = coldsc[1]; if (dtype != 3) { zzekcnam_(handle, coldsc, column, (ftnlen)32); chkin_("ZZEKLLEI", (ftnlen)8); setmsg_("Column # should be INT but has type #.", (ftnlen)38); errch_("#", column, (ftnlen)1, (ftnlen)32); errint_("#", &dtype, (ftnlen)1); sigerr_("SPICE(INVALIDTYPE)", (ftnlen)18); chkout_("ZZEKLLEI", (ftnlen)8); return 0; } /* Handle the case of an empty segment gracefully. */ nrows = segdsc[5]; if (nrows == 0) { *prvloc = 0; *prvptr = 0; return 0; } /* The algorithm used here is very like unto that used in LSTLED. */ begin = 1; end = nrows; /* Get the record pointers BEGPTR and ENDPTR of the least and */ /* greatest elements in the column. */ zzekixlk_(handle, coldsc, &begin, &begptr); zzekixlk_(handle, coldsc, &end, &endptr); if (zzekscmp_(&c__3, handle, segdsc, coldsc, &begptr, &c__1, &c__3, " ", & c_b17, ikey, &c_false, (ftnlen)1)) { /* The smallest entry of the column is greater than */ /* the input value, so none of the entries */ /* are less than or equal to the input value. */ *prvloc = 0; *prvptr = 0; } else if (zzekscmp_(&c__4, handle, segdsc, coldsc, &endptr, &c__1, &c__3, " ", &c_b17, ikey, &c_false, (ftnlen)1)) { /* The last element of the array is less than or equal to the */ /* input value. */ *prvloc = nrows; zzekixlk_(handle, coldsc, prvloc, prvptr); } else { /* The input value lies between some pair of column entries. */ /* The value is greater than or equal to the smallest column entry */ /* and less than the greatest entry. */ while(end > begin + 1) { /* Find the address of the element whose ordinal position */ /* is halfway between BEGIN and END. */ middle = (begin + end) / 2; zzekixlk_(handle, coldsc, &middle, &midptr); if (zzekscmp_(&c__4, handle, segdsc, coldsc, &midptr, &c__1, & c__3, " ", &c_b17, ikey, &c_false, (ftnlen)1)) { /* The middle value is less than or equal to the input */ /* value. */ begin = middle; } else { end = middle; } /* The input value is greater than or equal to the element */ /* having ordinal position BEGIN and strictly less than the */ /* element having ordinal position END. */ } *prvloc = begin; zzekixlk_(handle, coldsc, prvloc, prvptr); } return 0; } /* zzekllei_ */
/* $Procedure ZZEKRD03 ( EK, read class 3 column entry elements ) */ /* Subroutine */ int zzekrd03_(integer *handle, integer *segdsc, integer * coldsc, integer *recptr, integer *cvlen, char *cval, logical *isnull, ftnlen cval_len) { /* System generated locals */ integer i__1, i__2; /* Builtin functions */ integer i_len(char *, ftnlen); /* Subroutine */ int s_copy(char *, char *, ftnlen, ftnlen); /* Local variables */ integer nrec, bpos; extern integer zzekrp2n_(integer *, integer *, integer *); integer epos, unit; extern /* Subroutine */ int zzekcnam_(integer *, integer *, char *, ftnlen), zzekpgbs_(integer *, integer *, integer *), zzekpgpg_( integer *, integer *, integer *, integer *); integer b, e, l, n, p, pbase, avail; extern /* Subroutine */ int chkin_(char *, ftnlen), errch_(char *, char *, ftnlen, ftnlen); integer recno, ncols; extern /* Subroutine */ int dasrdc_(integer *, integer *, integer *, integer *, integer *, char *, ftnlen), dasrdi_(integer *, integer *, integer *, integer *); char column[32]; integer colidx, datptr, relptr, ptrloc; extern /* Subroutine */ int dashlu_(integer *, integer *), setmsg_(char *, ftnlen), errint_(char *, integer *, ftnlen), errfnm_(char *, integer *, ftnlen), sigerr_(char *, ftnlen), chkout_(char *, ftnlen), zzekgei_(integer *, integer *, integer *); /* $ Abstract */ /* Read a column entry from a specified record in a class 3 column. */ /* Class 3 columns contain scalar character values. */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* $ Required_Reading */ /* EK */ /* $ Keywords */ /* EK */ /* PRIVATE */ /* $ Declarations */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Boolean Enumerated Type */ /* ekbool.inc Version 1 21-DEC-1994 (NJB) */ /* Within the EK system, boolean values sometimes must be */ /* represented by integer or character codes. The codes and their */ /* meanings are listed below. */ /* Integer code indicating `true': */ /* Integer code indicating `false': */ /* Character code indicating `true': */ /* Character code indicating `false': */ /* End Include Section: EK Boolean Enumerated Type */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Column Descriptor Parameters */ /* ekcoldsc.inc Version 6 23-AUG-1995 (NJB) */ /* Note: The column descriptor size parameter CDSCSZ is */ /* declared separately in the include section CDSIZE$INC.FOR. */ /* Offset of column descriptors, relative to start of segment */ /* integer address range. This number, when added to the last */ /* integer address preceding the segment, yields the DAS integer */ /* base address of the first column descriptor. Currently, this */ /* offset is exactly the size of a segment descriptor. The */ /* parameter SDSCSZ, which defines the size of a segment descriptor, */ /* is declared in the include file eksegdsc.inc. */ /* Size of column descriptor */ /* Indices of various pieces of column descriptors: */ /* CLSIDX is the index of the column's class code. (We use the */ /* word `class' to distinguish this item from the column's data */ /* type.) */ /* TYPIDX is the index of the column's data type code (CHR, INT, DP, */ /* or TIME). The type is actually implied by the class, but it */ /* will frequently be convenient to look up the type directly. */ /* LENIDX is the index of the column's string length value, if the */ /* column has character type. A value of IFALSE in this element of */ /* the descriptor indicates that the strings have variable length. */ /* SIZIDX is the index of the column's element size value. This */ /* descriptor element is meaningful for columns with fixed-size */ /* entries. For variable-sized columns, this value is IFALSE. */ /* NAMIDX is the index of the base address of the column's name. */ /* IXTIDX is the data type of the column's index. IXTIDX */ /* contains a type value only if the column is indexed. For columns */ /* that are not indexed, the location IXTIDX contains the boolean */ /* value IFALSE. */ /* IXPIDX is a pointer to the column's index. IXTPDX contains a */ /* meaningful value only if the column is indexed. The */ /* interpretation of the pointer depends on the data type of the */ /* index. */ /* NFLIDX is the index of a flag indicating whether nulls are */ /* permitted in the column. The value at location NFLIDX is */ /* ITRUE if nulls are permitted and IFALSE otherwise. */ /* ORDIDX is the index of the column's ordinal position in the */ /* list of columns belonging to the column's parent segment. */ /* METIDX is the index of the column's integer metadata pointer. */ /* This pointer is a DAS integer address. */ /* The last position in the column descriptor is reserved. No */ /* parameter is defined to point to this location. */ /* End Include Section: EK Column Descriptor Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Column Name Size */ /* ekcnamsz.inc Version 1 17-JAN-1995 (NJB) */ /* Size of column name, in characters. */ /* End Include Section: EK Column Name Size */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Data Page Parameters */ /* ekfilpar.inc Version 1 03-APR-1995 (NJB) */ /* These parameters apply to EK files using architecture 4. */ /* These files use a paged DAS file as their underlying file */ /* structure. */ /* In paged DAS EK files, data pages are structured: they contain */ /* metadata as well as data. The metadata is located in the last */ /* few addresses of each page, so as to interfere as little as */ /* possible with calculation of data addresses. */ /* Each data page belongs to exactly one segment. Some bookkeeping */ /* information, such as record pointers, is also stored in data */ /* pages. */ /* Each page contains a forward pointer that allows rapid lookup */ /* of data items that span multiple pages. Each page also keeps */ /* track of the current number of links from its parent segment */ /* to the page. Link counts enable pages to `know' when they */ /* are no longer in use by a segment; unused pages are deallocated */ /* and returned to the free list. */ /* The parameters in this include file depend on the parameters */ /* declared in the include file ekpage.inc. If those parameters */ /* change, this file must be updated. The specified parameter */ /* declarations we need from that file are: */ /* INTEGER PGSIZC */ /* PARAMETER ( PGSIZC = 1024 ) */ /* INTEGER PGSIZD */ /* PARAMETER ( PGSIZD = 128 ) */ /* INTEGER PGSIZI */ /* PARAMETER ( PGSIZI = 256 ) */ /* Character pages use an encoding mechanism to represent integer */ /* metadata. Each integer is encoded in five consecutive */ /* characters. */ /* Character data page parameters: */ /* Size of encoded integer: */ /* Usable page size: */ /* Location of character forward pointer: */ /* Location of character link count: */ /* Double precision data page parameters: */ /* Usable page size: */ /* Location of d.p. forward pointer: */ /* Location of d.p. link count: */ /* Integer data page parameters: */ /* Usable page size: */ /* Location of integer forward pointer: */ /* Location of integer link count: */ /* End Include Section: EK Data Page Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Record Pointer Parameters */ /* ekrecptr.inc Version 2 18-JUL-1995 (NJB) */ /* This file declares parameters used in EK record pointers. */ /* Each segment references data in a given record via two levels */ /* of indirection: a record number points to a record pointer, */ /* which is a structured array of metadata and data pointers. */ /* Record pointers always occupy contiguous ranges of integer */ /* addresses. */ /* The parameter declarations in this file depend on the assumption */ /* that integer pages contain 256 DAS integer words and that the */ /* maximum number of columns in a segment is 100. Record pointers */ /* are stored in integer data pages, so they must fit within the */ /* usable data area afforded by these pages. The size of the usable */ /* data area is given by the parameter IPSIZE which is declared in */ /* ekdatpag.inc. The assumed value of IPSIZE is 254. */ /* The first element of each record pointer is a status indicator. */ /* The meanings of status indicators depend on whether the parent EK */ /* is shadowed or not. For shadowed EKs, allowed status values and */ /* their meanings are: */ /* OLD The record has not been modified since */ /* the EK containing the record was opened. */ /* UPDATE The record is an update of a previously existing */ /* record. The original record is now on the */ /* modified record list. */ /* NEW The record has been added since the EK containing the */ /* record was opened. The record is not an update */ /* of a previously existing record. */ /* DELOLD This status applies only to a backup record. */ /* DELOLD status indicates that the record corresponds */ /* to a deleted OLD record in the source segment. */ /* DELNEW This status applies only to a backup record. */ /* DELNEW status indicates that the record corresponds */ /* to a deleted NEW record in the source segment. */ /* DELUPD This status applies only to a backup record. */ /* DELUPD status indicates that the record corresponds */ /* to a deleted UPDATEd record in the source segment. */ /* In EKs that are not shadowed, all records have status OLD. */ /* The following parameters refer to indices within the record */ /* pointer structure: */ /* Index of status indicator: */ /* Each record pointer contains a pointer to its companion: for a */ /* record belonging to a shadowed EK, this is the backup counterpart, */ /* or if the parent EK is itself a backup EK, a pointer to the */ /* record's source record. The pointer is UNINIT (see below) if the */ /* record is unmodified. */ /* Record companion pointers contain record numbers, not record */ /* base addresses. */ /* Index of record's companion pointer: */ /* Each data item is referenced by an integer. The meaning of */ /* this integer depends on the representation of data in the */ /* column to which the data item belongs. Actual lookup of a */ /* data item must be done by subroutines appropriate to the class of */ /* the column to which the item belongs. Note that data items don't */ /* necessarily occupy contiguous ranges of DAS addresses. */ /* Base address of data pointers: */ /* Maximum record pointer size: */ /* Data pointers are given the value UNINIT to start with; this */ /* indicates that the data item is uninitialized. UNINIT is */ /* distinct from the value NULL. NOBACK indicates an uninitialized */ /* backup column entry. */ /* End Include Section: EK Record Pointer Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Segment Descriptor Parameters */ /* eksegdsc.inc Version 8 06-NOV-1995 (NJB) */ /* All `base addresses' referred to below are the addresses */ /* *preceding* the item the base applies to. This convention */ /* enables simplied address calculations in many cases. */ /* Size of segment descriptor. Note: the include file ekcoldsc.inc */ /* must be updated if this parameter is changed. The parameter */ /* CDOFF in that file should be kept equal to SDSCSZ. */ /* Index of the segment type code: */ /* Index of the segment's number. This number is the segment's */ /* index in the list of segments contained in the EK to which */ /* the segment belongs. */ /* Index of the DAS integer base address of the segment's integer */ /* meta-data: */ /* Index of the DAS character base address of the table name: */ /* Index of the segment's column count: */ /* Index of the segment's record count: */ /* Index of the root page number of the record tree: */ /* Index of the root page number of the character data page tree: */ /* Index of the root page number of the double precision data page */ /* tree: */ /* Index of the root page number of the integer data page tree: */ /* Index of the `modified' flag: */ /* Index of the `initialized' flag: */ /* Index of the shadowing flag: */ /* Index of the companion file handle: */ /* Index of the companion segment number: */ /* The next three items are, respectively, the page numbers of the */ /* last character, d.p., and integer data pages allocated by the */ /* segment: */ /* The next three items are, respectively, the page-relative */ /* indices of the last DAS word in use in the segment's */ /* last character, d.p., and integer data pages: */ /* Index of the DAS character base address of the column name list: */ /* The last descriptor element is reserved for future use. No */ /* parameter is defined to point to this location. */ /* End Include Section: EK Segment Descriptor Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Data Types */ /* ektype.inc Version 1 27-DEC-1994 (NJB) */ /* Within the EK system, data types of EK column contents are */ /* represented by integer codes. The codes and their meanings */ /* are listed below. */ /* Integer codes are also used within the DAS system to indicate */ /* data types; the EK system makes no assumptions about compatibility */ /* between the codes used here and those used in the DAS system. */ /* Character type: */ /* Double precision type: */ /* Integer type: */ /* `Time' type: */ /* Within the EK system, time values are represented as ephemeris */ /* seconds past J2000 (TDB), and double precision numbers are used */ /* to store these values. However, since time values require special */ /* treatment both on input and output, and since the `TIME' column */ /* has a special role in the EK specification and code, time values */ /* are identified as a type distinct from double precision numbers. */ /* End Include Section: EK Data Types */ /* $ Brief_I/O */ /* Variable I/O Description */ /* -------- --- -------------------------------------------------- */ /* HANDLE I Handle attached to EK file. */ /* SEGDSC I Segment descriptor. */ /* COLDSC I Column descriptor. */ /* RECPTR I Record pointer. */ /* CVLEN O Length of returned character value. */ /* CVAL O Character value in column entry. */ /* ISNULL O Flag indicating whether column entry is null. */ /* $ Detailed_Input */ /* HANDLE is an EK file handle. */ /* SEGDSC is the descriptor of the segment from which data is */ /* to be read. */ /* COLDSC is the descriptor of the column from which data is */ /* to be read. */ /* RECPTR is a pointer to the record containing the column */ /* entry to be written. */ /* $ Detailed_Output */ /* CVLEN is the length of the returned string value. This */ /* is the index of the last non-blank character of */ /* the string. This definition applies to both fixed- */ /* and variable-length strings. */ /* CVLEN is set to 1 if the column entry is null. */ /* CVAL is the value read from the specified column entry. */ /* If CVAL has insufficient length to hold the */ /* returned string value, the output value is */ /* truncated on the right. Entries that are shorter */ /* than the string length of CVAL are padded with */ /* trailing blanks. */ /* ISNULL is a logical flag indicating whether the entry is */ /* null. */ /* $ Parameters */ /* None. */ /* $ Exceptions */ /* 1) If HANDLE is invalid, the error will be diagnosed by routines */ /* called by this routine. */ /* 2) If the specified column entry has not been initialized, the */ /* error SPICE(UNINITIALIZED) is signaled. */ /* 3) If the ordinal position of the column specified by COLDSC */ /* is out of range, the error SPICE(INVALIDINDEX) is signaled. */ /* 4) If the output string CVAL is too short to accommodate the */ /* returned string value, the output value is truncated on the */ /* right. No error is signaled. */ /* 5) If an I/O error occurs while reading the indicated file, */ /* the error will be diagnosed by routines called by this */ /* routine. */ /* $ Files */ /* See the EK Required Reading for a discussion of the EK file */ /* format. */ /* $ Particulars */ /* This routine is a utility for reading data from class 3 columns. */ /* $ Examples */ /* See EKRCEC. */ /* $ Restrictions */ /* None. */ /* $ Literature_References */ /* None. */ /* $ Author_and_Institution */ /* N.J. Bachman (JPL) */ /* $ Version */ /* - SPICELIB Version 1.3.0, 31-MAY-2010 (NJB) */ /* Bug fix: call to DASRDI was overwriting local memory. This */ /* problem did not affect operation of the routine except on */ /* the Mac/Intel/OSX/ifort/32-bit platform, on which it caused */ /* a segmentation fault when this routine was compiled with */ /* default optimization. */ /* - SPICELIB Version 1.2.0, 23-JUL-1999 (NJB) */ /* Error check for string truncation on output was removed. */ /* This error check interfered with the use of this routine */ /* (via a call to ZZEKRSC) within ZZEKJSRT, which relies on */ /* being able to read into a buffer initial substrings of scalar */ /* data. */ /* - SPICELIB Version 1.1.0, 28-JUL-1997 (NJB) */ /* Error check for string truncation on output was added. */ /* SHORT error message SPICE(UNINITIALIZEDVALUE) was shortened */ /* to SPICE(UNINITIALIZED). Error messages were enhanced so */ /* as to use column names rather than indices. Miscellaneous */ /* header fixes were made. */ /* - SPICELIB Version 1.0.0, 18-OCT-1995 (NJB) */ /* -& */ /* $ Revisions */ /* - SPICELIB Version 1.2.0, 23-JUL-1999 (NJB) */ /* Error check for string truncation on output was removed. */ /* This error check interfered with the use of this routine */ /* (via a call to ZZEKRSC) within ZZEKJSRT, which relies on */ /* being able to read into a buffer initial substrings of scalar */ /* data. */ /* - SPICELIB Version 1.1.0, 25-JUL-1997 (NJB) */ /* Error check for string truncation on output was added. */ /* SHORT error message SPICE(UNINITIALIZEDVALUE) was shortened */ /* to SPICE(UNINITIALIZED), since the previous string exceeded */ /* the maximum allowed length for the short error message. */ /* Error messages were enhanced so as to use column names rather */ /* than indices. */ /* -& */ /* Non-SPICELIB functions */ /* Local variables */ /* Use discovery check-in. */ /* Make sure the column exists. */ ncols = segdsc[4]; colidx = coldsc[8]; if (colidx < 1 || colidx > ncols) { recno = zzekrp2n_(handle, &segdsc[1], recptr); dashlu_(handle, &unit); chkin_("ZZEKRD03", (ftnlen)8); setmsg_("Column index = #; valid range is 1:#.SEGNO = #; RECNO = #; " "EK = #", (ftnlen)65); errint_("#", &colidx, (ftnlen)1); errint_("#", &nrec, (ftnlen)1); errint_("#", &segdsc[1], (ftnlen)1); errint_("#", &recno, (ftnlen)1); errfnm_("#", &unit, (ftnlen)1); sigerr_("SPICE(INVALIDINDEX)", (ftnlen)19); chkout_("ZZEKRD03", (ftnlen)8); return 0; } /* Compute the data pointer location, and read both the pointer */ /* and the stored string size. */ ptrloc = *recptr + 2 + colidx; dasrdi_(handle, &ptrloc, &ptrloc, &datptr); if (datptr > 0) { /* Read the value. This is slightly more complicated than */ /* the numeric cases, because the value may be spread across */ /* multiple pages. Also, we must not write past the end of the */ /* output string. */ /* We'll need the number of the page at which the first character */ /* of the string is stored. This page contains at least one */ /* character of the data value. */ zzekgei_(handle, &datptr, cvlen); /* Set the data pointer to the start of the string data, skipping */ /* over the encoded string length. */ datptr += 5; /* Computing MIN */ i__1 = *cvlen, i__2 = i_len(cval, cval_len); n = min(i__1,i__2); /* Read the available data from the page under consideration. */ zzekpgpg_(&c__1, &datptr, &p, &pbase); relptr = datptr - pbase; /* Computing MIN */ i__1 = n, i__2 = 1014 - relptr + 1; avail = min(i__1,i__2); b = datptr; e = datptr + avail - 1; bpos = 1; epos = avail; l = epos - bpos + 1; dasrdc_(handle, &b, &e, &bpos, &epos, cval, cval_len); n -= l; while(n > 0) { /* Read the forward page pointer from the current page; find */ /* the base address of the referenced page. */ i__1 = pbase + 1015; zzekgei_(handle, &i__1, &p); zzekpgbs_(&c__1, &p, &pbase); avail = min(n,1014); b = pbase + 1; e = pbase + avail; bpos = epos + 1; epos += avail; dasrdc_(handle, &b, &e, &bpos, &epos, cval, cval_len); n -= avail; bpos = epos + 1; } /* Blank-pad CVAL if required. */ if (i_len(cval, cval_len) > epos) { i__1 = epos; s_copy(cval + i__1, " ", cval_len - i__1, (ftnlen)1); } *isnull = FALSE_; } else if (datptr == -2) { /* The value is null. */ *isnull = TRUE_; *cvlen = 1; } else if (datptr == -1 || datptr == -3) { /* The data value is absent. This is an error. */ recno = zzekrp2n_(handle, &segdsc[1], recptr); dashlu_(handle, &unit); zzekcnam_(handle, coldsc, column, (ftnlen)32); chkin_("ZZEKRD03", (ftnlen)8); setmsg_("Attempted to read uninitialized column entry. SEGNO = #; C" "OLUMN = #; RECNO = #; EK = #", (ftnlen)87); errint_("#", &segdsc[1], (ftnlen)1); errch_("#", column, (ftnlen)1, (ftnlen)32); errint_("#", &recno, (ftnlen)1); errfnm_("#", &unit, (ftnlen)1); sigerr_("SPICE(UNINITIALIZED)", (ftnlen)20); chkout_("ZZEKRD03", (ftnlen)8); return 0; } else { /* The data pointer is corrupted. */ recno = zzekrp2n_(handle, &segdsc[1], recptr); dashlu_(handle, &unit); zzekcnam_(handle, coldsc, column, (ftnlen)32); chkin_("ZZEKRD03", (ftnlen)8); setmsg_("Data pointer is corrupted. SEGNO = #; COLUMN = #; RECNO = " "#; EK = #", (ftnlen)68); errint_("#", &segdsc[1], (ftnlen)1); errch_("#", column, (ftnlen)1, (ftnlen)32); errint_("#", &recno, (ftnlen)1); errfnm_("#", &unit, (ftnlen)1); sigerr_("SPICE(BUG)", (ftnlen)10); chkout_("ZZEKRD03", (ftnlen)8); return 0; } return 0; } /* zzekrd03_ */
/* $Procedure ZZEKRSD ( EK, read scalar, double precision ) */ /* Subroutine */ int zzekrsd_(integer *handle, integer *segdsc, integer * coldsc, integer *recptr, integer *eltidx, doublereal *dval, logical * isnull, logical *found) { extern integer zzekrp2n_(integer *, integer *, integer *); integer unit; extern /* Subroutine */ int zzekcnam_(integer *, integer *, char *, ftnlen), chkin_(char *, ftnlen), errch_(char *, char *, ftnlen, ftnlen); integer class__, recno, segno, dtype; extern /* Subroutine */ int dashlu_(integer *, integer *); char column[32]; extern /* Subroutine */ int setmsg_(char *, ftnlen), errint_(char *, integer *, ftnlen), errfnm_(char *, integer *, ftnlen), sigerr_( char *, ftnlen), chkout_(char *, ftnlen), zzekrd02_(integer *, integer *, integer *, integer *, doublereal *, logical *), zzekrd05_(integer *, integer *, integer *, integer *, integer *, integer *, doublereal *, logical *, logical *), zzekrd08_(integer *, integer *, integer *, integer *, doublereal *, logical *); /* $ Abstract */ /* Read scalar data from a double precision column in a specified EK */ /* record. */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* $ Required_Reading */ /* EK */ /* $ Keywords */ /* EK */ /* PRIVATE */ /* $ Declarations */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Column Name Size */ /* ekcnamsz.inc Version 1 17-JAN-1995 (NJB) */ /* Size of column name, in characters. */ /* End Include Section: EK Column Name Size */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Column Descriptor Parameters */ /* ekcoldsc.inc Version 6 23-AUG-1995 (NJB) */ /* Note: The column descriptor size parameter CDSCSZ is */ /* declared separately in the include section CDSIZE$INC.FOR. */ /* Offset of column descriptors, relative to start of segment */ /* integer address range. This number, when added to the last */ /* integer address preceding the segment, yields the DAS integer */ /* base address of the first column descriptor. Currently, this */ /* offset is exactly the size of a segment descriptor. The */ /* parameter SDSCSZ, which defines the size of a segment descriptor, */ /* is declared in the include file eksegdsc.inc. */ /* Size of column descriptor */ /* Indices of various pieces of column descriptors: */ /* CLSIDX is the index of the column's class code. (We use the */ /* word `class' to distinguish this item from the column's data */ /* type.) */ /* TYPIDX is the index of the column's data type code (CHR, INT, DP, */ /* or TIME). The type is actually implied by the class, but it */ /* will frequently be convenient to look up the type directly. */ /* LENIDX is the index of the column's string length value, if the */ /* column has character type. A value of IFALSE in this element of */ /* the descriptor indicates that the strings have variable length. */ /* SIZIDX is the index of the column's element size value. This */ /* descriptor element is meaningful for columns with fixed-size */ /* entries. For variable-sized columns, this value is IFALSE. */ /* NAMIDX is the index of the base address of the column's name. */ /* IXTIDX is the data type of the column's index. IXTIDX */ /* contains a type value only if the column is indexed. For columns */ /* that are not indexed, the location IXTIDX contains the boolean */ /* value IFALSE. */ /* IXPIDX is a pointer to the column's index. IXTPDX contains a */ /* meaningful value only if the column is indexed. The */ /* interpretation of the pointer depends on the data type of the */ /* index. */ /* NFLIDX is the index of a flag indicating whether nulls are */ /* permitted in the column. The value at location NFLIDX is */ /* ITRUE if nulls are permitted and IFALSE otherwise. */ /* ORDIDX is the index of the column's ordinal position in the */ /* list of columns belonging to the column's parent segment. */ /* METIDX is the index of the column's integer metadata pointer. */ /* This pointer is a DAS integer address. */ /* The last position in the column descriptor is reserved. No */ /* parameter is defined to point to this location. */ /* End Include Section: EK Column Descriptor Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Segment Descriptor Parameters */ /* eksegdsc.inc Version 8 06-NOV-1995 (NJB) */ /* All `base addresses' referred to below are the addresses */ /* *preceding* the item the base applies to. This convention */ /* enables simplied address calculations in many cases. */ /* Size of segment descriptor. Note: the include file ekcoldsc.inc */ /* must be updated if this parameter is changed. The parameter */ /* CDOFF in that file should be kept equal to SDSCSZ. */ /* Index of the segment type code: */ /* Index of the segment's number. This number is the segment's */ /* index in the list of segments contained in the EK to which */ /* the segment belongs. */ /* Index of the DAS integer base address of the segment's integer */ /* meta-data: */ /* Index of the DAS character base address of the table name: */ /* Index of the segment's column count: */ /* Index of the segment's record count: */ /* Index of the root page number of the record tree: */ /* Index of the root page number of the character data page tree: */ /* Index of the root page number of the double precision data page */ /* tree: */ /* Index of the root page number of the integer data page tree: */ /* Index of the `modified' flag: */ /* Index of the `initialized' flag: */ /* Index of the shadowing flag: */ /* Index of the companion file handle: */ /* Index of the companion segment number: */ /* The next three items are, respectively, the page numbers of the */ /* last character, d.p., and integer data pages allocated by the */ /* segment: */ /* The next three items are, respectively, the page-relative */ /* indices of the last DAS word in use in the segment's */ /* last character, d.p., and integer data pages: */ /* Index of the DAS character base address of the column name list: */ /* The last descriptor element is reserved for future use. No */ /* parameter is defined to point to this location. */ /* End Include Section: EK Segment Descriptor Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Data Types */ /* ektype.inc Version 1 27-DEC-1994 (NJB) */ /* Within the EK system, data types of EK column contents are */ /* represented by integer codes. The codes and their meanings */ /* are listed below. */ /* Integer codes are also used within the DAS system to indicate */ /* data types; the EK system makes no assumptions about compatibility */ /* between the codes used here and those used in the DAS system. */ /* Character type: */ /* Double precision type: */ /* Integer type: */ /* `Time' type: */ /* Within the EK system, time values are represented as ephemeris */ /* seconds past J2000 (TDB), and double precision numbers are used */ /* to store these values. However, since time values require special */ /* treatment both on input and output, and since the `TIME' column */ /* has a special role in the EK specification and code, time values */ /* are identified as a type distinct from double precision numbers. */ /* End Include Section: EK Data Types */ /* $ Brief_I/O */ /* Variable I/O Description */ /* -------- --- -------------------------------------------------- */ /* HANDLE I Handle attached to EK file. */ /* SEGDSC I Segment descriptor. */ /* COLDSC I Column descriptor. */ /* RECPTR I Pointer to record from which data is to be read. */ /* ELTIDX I Index of column entry element to be read. */ /* DVAL O D.p. value in column entry. */ /* ISNULL O Flag indicating whether column entry is null. */ /* FOUND O Flag indicting whether entry element was found. */ /* $ Detailed_Input */ /* HANDLE is an EK file handle. */ /* SEGDSC is the descriptor of the segment from which data is */ /* to be read. */ /* COLDSC is the column descriptor corresponding to the */ /* column from which data is to be read. */ /* RECPTR is a pointer to the record from which data is to be */ /* read. */ /* ELTIDX is the index of the column entry element to read. */ /* If the column entry is scalar, this argument is */ /* ignored. */ /* $ Detailed_Output */ /* DVAL is the specified column entry. DVAL is valid only */ /* when FOUND is set to .TRUE. */ /* ISNULL is a logical flag indicating whether the entry is */ /* null. ISNULL is valid only when FOUND is set to */ /* .TRUE. */ /* FOUND is a logical flag indicating whether the specified */ /* column entry element was found. For vector-valued */ /* columns, if ELTIDX refers to a non-existent */ /* column entry element, FOUND is set to .FALSE. */ /* $ Parameters */ /* None. */ /* $ Exceptions */ /* 1) If HANDLE is invalid, the error will be diagnosed by routines */ /* called by this routine. */ /* 2) If COLDSC is not the name of a declared column, the error */ /* will be diagnosed by routines called by this routine. */ /* 3) If COLDSC specifies a column of whose data type is not */ /* double precision, the error SPICE(WRONGDATATYPE) will be */ /* signalled. */ /* 4) If COLDSC specifies a column of whose class is not */ /* an double precision class known to this routine, the error */ /* SPICE(NOCLASS) will be signalled. */ /* 5) If the indicated column is array-valued, and if ELTIDX is */ /* non-positive, the error will be diagnosed by routines called */ /* by this routine. However, if ELTIDX is greater than the */ /* number of elements in the specified column entry, FOUND is */ /* set to .FALSE. and no error is signalled. */ /* 6) If an I/O error occurs while reading the indicated file, */ /* the error will be diagnosed by routines called by this */ /* routine. */ /* $ Files */ /* See the EK Required Reading for a discussion of the EK file */ /* format. */ /* $ Particulars */ /* The ZZEKRSx routines are low-level readers that expect column */ /* entries to be defined by descriptors. Since these routines do not */ /* look up descriptors, in cases where many successive accesses to */ /* the same segment and column are required, these routines are */ /* considerably more efficient than the high-level readers. */ /* These routines do not participate in tracing. */ /* $ Examples */ /* See ZZEKECMP. */ /* $ Restrictions */ /* None. */ /* $ Literature_References */ /* None. */ /* $ Author_and_Institution */ /* N.J. Bachman (JPL) */ /* $ Version */ /* - Beta Version 1.0.0, 06-NOV-1995 (NJB) */ /* -& */ /* Non-SPICELIB functions */ /* Local variables */ /* Use discovery check-in. */ /* Nothing found to begin with. */ *found = FALSE_; /* This column had better be of d.p. or TIME type. */ dtype = coldsc[1]; if (dtype != 2 && dtype != 4) { zzekcnam_(handle, coldsc, column, (ftnlen)32); dashlu_(handle, &unit); segno = segdsc[1]; recno = zzekrp2n_(handle, &segdsc[1], recptr); chkin_("ZZEKRSD", (ftnlen)7); dashlu_(handle, &unit); setmsg_("Column # is of type #; ZZEKRSD only works with DP or TIME c" "olumns. RECNO = #; SEGNO = #; EK = #.", (ftnlen)97); errch_("#", column, (ftnlen)1, (ftnlen)32); errint_("#", &dtype, (ftnlen)1); errint_("#", &recno, (ftnlen)1); errint_("#", &segno, (ftnlen)1); errfnm_("#", &unit, (ftnlen)1); sigerr_("SPICE(WRONGDATATYPE)", (ftnlen)20); chkout_("ZZEKRSD", (ftnlen)7); return 0; } /* Now it's time to read data from the file. Call the low-level */ /* reader appropriate to the column's class. */ class__ = coldsc[0]; if (class__ == 2) { zzekrd02_(handle, segdsc, coldsc, recptr, dval, isnull); *found = TRUE_; } else if (class__ == 5) { /* Class 5 columns contain d.p. array entries. */ zzekrd05_(handle, segdsc, coldsc, recptr, eltidx, eltidx, dval, isnull, found); } else if (class__ == 8) { zzekrd08_(handle, segdsc, coldsc, recptr, dval, isnull); *found = TRUE_; } else { /* This is an unsupported d.p. column class. */ zzekcnam_(handle, coldsc, column, (ftnlen)32); dashlu_(handle, &unit); segno = segdsc[1]; recno = zzekrp2n_(handle, &segdsc[1], recptr); chkin_("ZZEKRSD", (ftnlen)7); dashlu_(handle, &unit); setmsg_("Class # from input column descriptor is not a supported d.p" ". class. COLUMN = #; RECNO = #; SEGNO = #; EK = #.", (ftnlen) 110); errint_("#", &class__, (ftnlen)1); errch_("#", column, (ftnlen)1, (ftnlen)32); errint_("#", &recno, (ftnlen)1); errint_("#", &segno, (ftnlen)1); errfnm_("#", &unit, (ftnlen)1); sigerr_("SPICE(NOCLASS)", (ftnlen)14); chkout_("ZZEKRSD", (ftnlen)7); return 0; } return 0; } /* zzekrsd_ */
/* $Procedure ZZEKAC05 ( EK, add class 5 column to segment ) */ /* Subroutine */ int zzekac05_(integer *handle, integer *segdsc, integer * coldsc, doublereal *dvals, integer *entszs, logical *nlflgs) { /* System generated locals */ integer i__1; /* Builtin functions */ integer s_rnge(char *, integer, char *, integer); /* Local variables */ doublereal page[128]; integer nelt, from, size; extern /* Subroutine */ int zzekcnam_(integer *, integer *, char *, ftnlen), zzekpgwd_(integer *, integer *, doublereal *), zzeksfwd_( integer *, integer *, integer *, integer *), zzekspsh_(integer *, integer *); integer i__, n, p, ndata, pbase; extern /* Subroutine */ int chkin_(char *, ftnlen), errch_(char *, char *, ftnlen, ftnlen); integer class__, nlink, p2, nrows; extern /* Subroutine */ int cleard_(integer *, doublereal *); extern logical return_(void); char column[32]; integer adrbuf[126], bufptr, colidx, cursiz, nulptr, remain, to; logical cntinu, fixsiz, newreq, nullok; extern /* Subroutine */ int setmsg_(char *, ftnlen), errint_(char *, integer *, ftnlen), sigerr_(char *, ftnlen), chkout_(char *, ftnlen); integer row; extern /* Subroutine */ int zzekaps_(integer *, integer *, integer *, logical *, integer *, integer *); /* $ Abstract */ /* Add an entire class 5 column to an EK segment. */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* $ Required_Reading */ /* EK */ /* $ Keywords */ /* EK */ /* $ Declarations */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Boolean Enumerated Type */ /* ekbool.inc Version 1 21-DEC-1994 (NJB) */ /* Within the EK system, boolean values sometimes must be */ /* represented by integer or character codes. The codes and their */ /* meanings are listed below. */ /* Integer code indicating `true': */ /* Integer code indicating `false': */ /* Character code indicating `true': */ /* Character code indicating `false': */ /* End Include Section: EK Boolean Enumerated Type */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Column Descriptor Parameters */ /* ekcoldsc.inc Version 6 23-AUG-1995 (NJB) */ /* Note: The column descriptor size parameter CDSCSZ is */ /* declared separately in the include section CDSIZE$INC.FOR. */ /* Offset of column descriptors, relative to start of segment */ /* integer address range. This number, when added to the last */ /* integer address preceding the segment, yields the DAS integer */ /* base address of the first column descriptor. Currently, this */ /* offset is exactly the size of a segment descriptor. The */ /* parameter SDSCSZ, which defines the size of a segment descriptor, */ /* is declared in the include file eksegdsc.inc. */ /* Size of column descriptor */ /* Indices of various pieces of column descriptors: */ /* CLSIDX is the index of the column's class code. (We use the */ /* word `class' to distinguish this item from the column's data */ /* type.) */ /* TYPIDX is the index of the column's data type code (CHR, INT, DP, */ /* or TIME). The type is actually implied by the class, but it */ /* will frequently be convenient to look up the type directly. */ /* LENIDX is the index of the column's string length value, if the */ /* column has character type. A value of IFALSE in this element of */ /* the descriptor indicates that the strings have variable length. */ /* SIZIDX is the index of the column's element size value. This */ /* descriptor element is meaningful for columns with fixed-size */ /* entries. For variable-sized columns, this value is IFALSE. */ /* NAMIDX is the index of the base address of the column's name. */ /* IXTIDX is the data type of the column's index. IXTIDX */ /* contains a type value only if the column is indexed. For columns */ /* that are not indexed, the location IXTIDX contains the boolean */ /* value IFALSE. */ /* IXPIDX is a pointer to the column's index. IXTPDX contains a */ /* meaningful value only if the column is indexed. The */ /* interpretation of the pointer depends on the data type of the */ /* index. */ /* NFLIDX is the index of a flag indicating whether nulls are */ /* permitted in the column. The value at location NFLIDX is */ /* ITRUE if nulls are permitted and IFALSE otherwise. */ /* ORDIDX is the index of the column's ordinal position in the */ /* list of columns belonging to the column's parent segment. */ /* METIDX is the index of the column's integer metadata pointer. */ /* This pointer is a DAS integer address. */ /* The last position in the column descriptor is reserved. No */ /* parameter is defined to point to this location. */ /* End Include Section: EK Column Descriptor Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Column Name Size */ /* ekcnamsz.inc Version 1 17-JAN-1995 (NJB) */ /* Size of column name, in characters. */ /* End Include Section: EK Column Name Size */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Data Page Parameters */ /* ekfilpar.inc Version 1 03-APR-1995 (NJB) */ /* These parameters apply to EK files using architecture 4. */ /* These files use a paged DAS file as their underlying file */ /* structure. */ /* In paged DAS EK files, data pages are structured: they contain */ /* metadata as well as data. The metadata is located in the last */ /* few addresses of each page, so as to interfere as little as */ /* possible with calculation of data addresses. */ /* Each data page belongs to exactly one segment. Some bookkeeping */ /* information, such as record pointers, is also stored in data */ /* pages. */ /* Each page contains a forward pointer that allows rapid lookup */ /* of data items that span multiple pages. Each page also keeps */ /* track of the current number of links from its parent segment */ /* to the page. Link counts enable pages to `know' when they */ /* are no longer in use by a segment; unused pages are deallocated */ /* and returned to the free list. */ /* The parameters in this include file depend on the parameters */ /* declared in the include file ekpage.inc. If those parameters */ /* change, this file must be updated. The specified parameter */ /* declarations we need from that file are: */ /* INTEGER PGSIZC */ /* PARAMETER ( PGSIZC = 1024 ) */ /* INTEGER PGSIZD */ /* PARAMETER ( PGSIZD = 128 ) */ /* INTEGER PGSIZI */ /* PARAMETER ( PGSIZI = 256 ) */ /* Character pages use an encoding mechanism to represent integer */ /* metadata. Each integer is encoded in five consecutive */ /* characters. */ /* Character data page parameters: */ /* Size of encoded integer: */ /* Usable page size: */ /* Location of character forward pointer: */ /* Location of character link count: */ /* Double precision data page parameters: */ /* Usable page size: */ /* Location of d.p. forward pointer: */ /* Location of d.p. link count: */ /* Integer data page parameters: */ /* Usable page size: */ /* Location of integer forward pointer: */ /* Location of integer link count: */ /* End Include Section: EK Data Page Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Das Paging Parameters */ /* ekpage.inc Version 4 25-AUG-1995 (NJB) */ /* The EK DAS paging system makes use of the integer portion */ /* of an EK file's DAS address space to store the few numbers */ /* required to describe the system's state. The allocation */ /* of DAS integer addresses is shown below. */ /* DAS integer array */ /* +--------------------------------------------+ */ /* | EK architecture code | Address = 1 */ /* +--------------------------------------------+ */ /* | Character page size (in DAS words) | */ /* +--------------------------------------------+ */ /* | Character page base address | */ /* +--------------------------------------------+ */ /* | Number of character pages in file | */ /* +--------------------------------------------+ */ /* | Number of character pages on free list | */ /* +--------------------------------------------+ */ /* | Character free list head pointer | Address = 6 */ /* +--------------------------------------------+ */ /* | | Addresses = */ /* | Metadata for d.p. pages | 7--11 */ /* | | */ /* +--------------------------------------------+ */ /* | | Addresses = */ /* | Metadata for integer pages | 12--16 */ /* | | */ /* +--------------------------------------------+ */ /* . */ /* . */ /* . */ /* +--------------------------------------------+ */ /* | | End Address = */ /* | Unused space | integer page */ /* | | end */ /* +--------------------------------------------+ */ /* | | Start Address = */ /* | First integer page | integer page */ /* | | base */ /* +--------------------------------------------+ */ /* . */ /* . */ /* . */ /* +--------------------------------------------+ */ /* | | */ /* | Last integer page | */ /* | | */ /* +--------------------------------------------+ */ /* The following parameters indicate positions of elements in the */ /* paging system metadata array: */ /* Number of metadata items per data type: */ /* Character metadata indices: */ /* Double precision metadata indices: */ /* Integer metadata indices: */ /* Size of metadata area: */ /* Page sizes, in units of DAS words of the appropriate type: */ /* Default page base addresses: */ /* End Include Section: EK Das Paging Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Record Pointer Parameters */ /* ekrecptr.inc Version 2 18-JUL-1995 (NJB) */ /* This file declares parameters used in EK record pointers. */ /* Each segment references data in a given record via two levels */ /* of indirection: a record number points to a record pointer, */ /* which is a structured array of metadata and data pointers. */ /* Record pointers always occupy contiguous ranges of integer */ /* addresses. */ /* The parameter declarations in this file depend on the assumption */ /* that integer pages contain 256 DAS integer words and that the */ /* maximum number of columns in a segment is 100. Record pointers */ /* are stored in integer data pages, so they must fit within the */ /* usable data area afforded by these pages. The size of the usable */ /* data area is given by the parameter IPSIZE which is declared in */ /* ekdatpag.inc. The assumed value of IPSIZE is 254. */ /* The first element of each record pointer is a status indicator. */ /* The meanings of status indicators depend on whether the parent EK */ /* is shadowed or not. For shadowed EKs, allowed status values and */ /* their meanings are: */ /* OLD The record has not been modified since */ /* the EK containing the record was opened. */ /* UPDATE The record is an update of a previously existing */ /* record. The original record is now on the */ /* modified record list. */ /* NEW The record has been added since the EK containing the */ /* record was opened. The record is not an update */ /* of a previously existing record. */ /* DELOLD This status applies only to a backup record. */ /* DELOLD status indicates that the record corresponds */ /* to a deleted OLD record in the source segment. */ /* DELNEW This status applies only to a backup record. */ /* DELNEW status indicates that the record corresponds */ /* to a deleted NEW record in the source segment. */ /* DELUPD This status applies only to a backup record. */ /* DELUPD status indicates that the record corresponds */ /* to a deleted UPDATEd record in the source segment. */ /* In EKs that are not shadowed, all records have status OLD. */ /* The following parameters refer to indices within the record */ /* pointer structure: */ /* Index of status indicator: */ /* Each record pointer contains a pointer to its companion: for a */ /* record belonging to a shadowed EK, this is the backup counterpart, */ /* or if the parent EK is itself a backup EK, a pointer to the */ /* record's source record. The pointer is UNINIT (see below) if the */ /* record is unmodified. */ /* Record companion pointers contain record numbers, not record */ /* base addresses. */ /* Index of record's companion pointer: */ /* Each data item is referenced by an integer. The meaning of */ /* this integer depends on the representation of data in the */ /* column to which the data item belongs. Actual lookup of a */ /* data item must be done by subroutines appropriate to the class of */ /* the column to which the item belongs. Note that data items don't */ /* necessarily occupy contiguous ranges of DAS addresses. */ /* Base address of data pointers: */ /* Maximum record pointer size: */ /* Data pointers are given the value UNINIT to start with; this */ /* indicates that the data item is uninitialized. UNINIT is */ /* distinct from the value NULL. NOBACK indicates an uninitialized */ /* backup column entry. */ /* End Include Section: EK Record Pointer Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Segment Descriptor Parameters */ /* eksegdsc.inc Version 8 06-NOV-1995 (NJB) */ /* All `base addresses' referred to below are the addresses */ /* *preceding* the item the base applies to. This convention */ /* enables simplied address calculations in many cases. */ /* Size of segment descriptor. Note: the include file ekcoldsc.inc */ /* must be updated if this parameter is changed. The parameter */ /* CDOFF in that file should be kept equal to SDSCSZ. */ /* Index of the segment type code: */ /* Index of the segment's number. This number is the segment's */ /* index in the list of segments contained in the EK to which */ /* the segment belongs. */ /* Index of the DAS integer base address of the segment's integer */ /* meta-data: */ /* Index of the DAS character base address of the table name: */ /* Index of the segment's column count: */ /* Index of the segment's record count: */ /* Index of the root page number of the record tree: */ /* Index of the root page number of the character data page tree: */ /* Index of the root page number of the double precision data page */ /* tree: */ /* Index of the root page number of the integer data page tree: */ /* Index of the `modified' flag: */ /* Index of the `initialized' flag: */ /* Index of the shadowing flag: */ /* Index of the companion file handle: */ /* Index of the companion segment number: */ /* The next three items are, respectively, the page numbers of the */ /* last character, d.p., and integer data pages allocated by the */ /* segment: */ /* The next three items are, respectively, the page-relative */ /* indices of the last DAS word in use in the segment's */ /* last character, d.p., and integer data pages: */ /* Index of the DAS character base address of the column name list: */ /* The last descriptor element is reserved for future use. No */ /* parameter is defined to point to this location. */ /* End Include Section: EK Segment Descriptor Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Data Types */ /* ektype.inc Version 1 27-DEC-1994 (NJB) */ /* Within the EK system, data types of EK column contents are */ /* represented by integer codes. The codes and their meanings */ /* are listed below. */ /* Integer codes are also used within the DAS system to indicate */ /* data types; the EK system makes no assumptions about compatibility */ /* between the codes used here and those used in the DAS system. */ /* Character type: */ /* Double precision type: */ /* Integer type: */ /* `Time' type: */ /* Within the EK system, time values are represented as ephemeris */ /* seconds past J2000 (TDB), and double precision numbers are used */ /* to store these values. However, since time values require special */ /* treatment both on input and output, and since the `TIME' column */ /* has a special role in the EK specification and code, time values */ /* are identified as a type distinct from double precision numbers. */ /* End Include Section: EK Data Types */ /* $ Brief_I/O */ /* Variable I/O Description */ /* -------- --- -------------------------------------------------- */ /* HANDLE I Handle attached to new EK file. */ /* SEGDSC I Segment descriptor. */ /* COLDSC I Column descriptor. */ /* DVALS I D.p. values to add to column. */ /* ENTSZS I Array of sizes of column entries. */ /* NLFLGS I Array of null flags for column entries. */ /* $ Detailed_Input */ /* HANDLE the handle of an EK file that is open for writing. */ /* A `begin segment for fast load' operation must */ /* have already been performed for the designated */ /* segment. */ /* SEGDSC is a descriptor for the segment to which data is */ /* to be added. The segment descriptor is not */ /* updated by this routine, but some fields in the */ /* descriptor will become invalid after this routine */ /* returns. */ /* COLDSC is a descriptor for the column to be added. The */ /* column attributes must be filled in, but any */ /* pointers may be uninitialized. */ /* ENTSZS is an array containing sizes of column entries. */ /* The Ith element of ENTSZS gives the size of the */ /* Ith column entry. ENTSZS is used only for columns */ /* having variable-size entries. For such columns, */ /* the dimension of ENTSZS must be at least NROWS. */ /* The size of null entries should be set to zero. */ /* For columns having fixed-size entries, the */ /* dimension of this array may be any positive value. */ /* DVALS is an array containing the entire set of column */ /* entries for the specified column. The entries */ /* are listed in row-order: the column entry for the */ /* first row of the segment is first, followed by the */ /* column entry for the second row, and so on. The */ /* number of column entries must match the declared */ /* number of rows in the segment. For columns having */ /* fixed-size entries, a null entry must be allocated */ /* the same amount of space occupied by a non-null */ /* entry in the array DVALS. For columns having */ /* variable-size entries, null entries do not require */ /* any space in the DVALS array, but in any case must */ /* have their allocated space described correctly by */ /* the corresponding element of the ENTSZS array */ /* (described below). */ /* ENTSZS is an array containing sizes of column entries. */ /* The Ith element of ENTSZS gives the size of the */ /* Ith column entry. ENTSZS is used only for columns */ /* having variable-size entries. For such columns, */ /* the dimension of ENTSZS must be at least NROWS. */ /* The size of null entries should be set to zero. */ /* For columns having fixed-size entries, the */ /* dimension of this array may be any positive value. */ /* NLFLGS is an array of logical flags indicating whether */ /* the corresponding entries are null. If the Ith */ /* element of NLFLGS is .FALSE., the Ith column entry */ /* defined by DVALS is added to the specified segment */ /* in the specified kernel file. */ /* If the Ith element of NLFGLS is .TRUE., the */ /* contents of the Ith column entry are undefined. */ /* NLFLGS is used only for columns that allow null */ /* values; it's ignored for other columns. */ /* $ Detailed_Output */ /* None. See $Particulars for a description of the effect of this */ /* routine. */ /* $ Parameters */ /* None. */ /* $ Exceptions */ /* 1) If HANDLE is invalid, the error will be diagnosed by routines */ /* called by this routine. */ /* 2) If an I/O error occurs while reading or writing the indicated */ /* file, the error will be diagnosed by routines called by this */ /* routine. */ /* $ Files */ /* See the EK Required Reading for a discussion of the EK file */ /* format. */ /* $ Particulars */ /* This routine operates by side effects: it modifies the named */ /* EK file by adding data to the specified column. This routine */ /* writes the entire contents of the specified column in one shot. */ /* This routine creates columns much more efficiently than can be */ /* done by sequential calls to EKACED, but has the drawback that */ /* the caller must use more memory for the routine's inputs. This */ /* routine cannot be used to add data to a partially completed */ /* column. */ /* $ Examples */ /* See EKACLD. */ /* $ Restrictions */ /* 1) This routine assumes the EK scratch area has been set up */ /* properly for a fast load operation. This routine writes */ /* to the EK scratch area as well. */ /* 2) Only one segment can be created at a time using the fast */ /* load routines. */ /* 3) No other EK operation may interrupt a fast load. For */ /* example, it is not valid to issue a query while a fast load */ /* is in progress. */ /* $ Literature_References */ /* None. */ /* $ Author_and_Institution */ /* N.J. Bachman (JPL) */ /* $ Version */ /* - SPICELIB Version 1.1.0, 22-JUL-1996 (NJB) */ /* Bug fix: case of 100% null data values is now handled */ /* correctly. Previous version line was changed from "Beta" */ /* to "SPICELIB." */ /* - SPICELIB Version 1.0.0, 23-SEP-1995 (NJB) */ /* -& */ /* $ Revisions */ /* - SPICELIB Version 1.1.0, 22-JUL-1996 (NJB) */ /* Bug fix: case of 100% null data values is now handled */ /* correctly. The test to determine when to write a page */ /* was fixed to handle this case. */ /* Previous version line was changed from "Beta" */ /* to "SPICELIB." */ /* -& */ /* SPICELIB functions */ /* Local parameters */ /* Local variables */ /* Standard SPICE error handling. */ if (return_()) { return 0; } else { chkin_("ZZEKAC05", (ftnlen)8); } /* Grab the column's attributes. */ class__ = coldsc[0]; nulptr = coldsc[7]; colidx = coldsc[8]; size = coldsc[3]; nullok = nulptr != -1; fixsiz = size != -1; /* This column had better be class 5. */ if (class__ != 5) { zzekcnam_(handle, coldsc, column, (ftnlen)32); setmsg_("Column class code # found in descriptor for column #. Clas" "s should be 5.", (ftnlen)73); errint_("#", &class__, (ftnlen)1); errch_("#", column, (ftnlen)1, (ftnlen)32); sigerr_("SPICE(NOCLASS)", (ftnlen)14); chkout_("ZZEKAC05", (ftnlen)8); return 0; } /* Push the column's ordinal index on the stack. This allows us */ /* to identify the column the addresses belong to. */ zzekspsh_(&c__1, &colidx); /* Find the number of rows in the segment. */ nrows = segdsc[5]; /* Record the number of data values to write. */ if (nullok) { /* Sum the sizes of the non-null column entries; these are the */ /* ones that will take up space. */ ndata = 0; i__1 = nrows; for (i__ = 1; i__ <= i__1; ++i__) { if (! nlflgs[i__ - 1]) { if (fixsiz) { ndata += size; } else { ndata += entszs[i__ - 1]; } } } } else { if (fixsiz) { ndata = nrows * size; } else { ndata = 0; i__1 = nrows; for (i__ = 1; i__ <= i__1; ++i__) { ndata += entszs[i__ - 1]; } } } if (ndata > 0) { /* There's some data to write, so allocate a page. Also */ /* prepare a data buffer to be written out as a page. */ zzekaps_(handle, segdsc, &c__2, &c_false, &p, &pbase); cleard_(&c__128, page); } /* Write the input data out to the target file a page at a time. */ /* Null values don't get written. */ /* While we're at it, we'll push onto the EK stack the addresses */ /* of the column entries. We use the constant NULL rather than an */ /* address to represent null entries. */ /* We'll use FROM to indicate the element of DVALS we're */ /* considering, TO to indicate the element of PAGE to write */ /* to, and BUFPTR to indicate the element of ADRBUF to write */ /* addresses to. The variable NELT is the count of the column entry */ /* elements written for the current entry. The variable N indicates */ /* the number of d.p. numbers written to the current page. */ remain = ndata; from = 1; to = 1; bufptr = 1; row = 1; nelt = 1; n = 0; nlink = 0; while(row <= nrows) { /* NEWREQ is set to TRUE if we discover that the next column */ /* entry must start on a new page. */ newreq = FALSE_; if (nullok && nlflgs[row - 1]) { if (fixsiz) { cursiz = size; } else { cursiz = entszs[row - 1]; } from += cursiz; adrbuf[(i__1 = bufptr - 1) < 126 && 0 <= i__1 ? i__1 : s_rnge( "adrbuf", i__1, "zzekac05_", (ftnlen)417)] = -2; ++bufptr; ++row; nelt = 1; cntinu = FALSE_; } else { if (nelt == 1) { /* We're about to write out a new column entry. We must */ /* insert the element count into the page before writing the */ /* data. The link count for the current page must be */ /* incremented to account for this new entry. */ /* At this point, we're guaranteed at least two free */ /* spaces in the current page. */ if (fixsiz) { cursiz = size; } else { cursiz = entszs[row - 1]; } adrbuf[(i__1 = bufptr - 1) < 126 && 0 <= i__1 ? i__1 : s_rnge( "adrbuf", i__1, "zzekac05_", (ftnlen)443)] = to + pbase; ++bufptr; page[(i__1 = to - 1) < 128 && 0 <= i__1 ? i__1 : s_rnge("page" , i__1, "zzekac05_", (ftnlen)445)] = (doublereal) cursiz; ++to; ++n; ++nlink; } /* At this point, there's at least one free space in the */ /* current page. */ page[(i__1 = to - 1) < 128 && 0 <= i__1 ? i__1 : s_rnge("page", i__1, "zzekac05_", (ftnlen)456)] = dvals[from - 1]; ++to; ++n; ++from; --remain; /* Decide whether we must continue the current entry on another */ /* data page. */ cntinu = nelt < cursiz && n == 126; if (nelt == cursiz) { /* The current element is the last of the current column */ /* entry. */ /* Determine whether we must start the next column entry on */ /* a new page. To start a column entry on the current page, */ /* we must have enough room for the element count and at */ /* least the first entry element. */ if (remain > 0) { newreq = n > 124; } nelt = 1; ++row; } else { ++nelt; } } if (bufptr > 126 || row > nrows) { /* The address buffer is full or we're out of input values */ /* to look at, so push the buffer contents on the stack. */ i__1 = bufptr - 1; zzekspsh_(&i__1, adrbuf); bufptr = 1; } if (cntinu || newreq || row > nrows && ndata > 0) { /* It's time to write out the current page. First set the link */ /* count. */ page[127] = (doublereal) nlink; /* Write out the data page. */ zzekpgwd_(handle, &p, page); /* If there's more data to write, allocate another page. */ if (remain > 0) { zzekaps_(handle, segdsc, &c__2, &c_false, &p2, &pbase); cleard_(&c__128, page); n = 0; nlink = 0; to = 1; /* If we're continuing an element from the previous page, */ /* link the previous page to the current one. */ if (cntinu) { zzeksfwd_(handle, &c__2, &p, &p2); } p = p2; } /* We've allocated a new data page if we needed one. */ } /* We've written out the last completed data page. */ } /* We've processed all entries of the input array. */ chkout_("ZZEKAC05", (ftnlen)8); return 0; } /* zzekac05_ */
/* $Procedure ZZEKAC09 ( EK, add class 9 column to segment ) */ /* Subroutine */ int zzekac09_(integer *handle, integer *segdsc, integer * coldsc, char *cvals, logical *nlflgs, integer *wkindx, ftnlen cvals_len) { /* System generated locals */ integer i__1, i__2; /* Builtin functions */ integer i_len(char *, ftnlen); /* Subroutine */ int s_copy(char *, char *, ftnlen, ftnlen); /* Local variables */ char page[1024]; integer from; extern /* Subroutine */ int zzekcnam_(integer *, integer *, char *, ftnlen), zzekacps_(integer *, integer *, integer *, integer *, integer *, integer *), zzekordc_(char *, logical *, logical *, integer *, integer *, ftnlen), zzekpgwc_(integer *, integer *, char *, ftnlen), zzekwpai_(integer *, integer *, integer *, integer *, integer *, integer *), zzekwpal_(integer *, integer *, integer *, logical *, integer *, integer *), zzekslnk_(integer *, integer *, integer *, integer *); integer l, p, mbase, npage; extern /* Subroutine */ int chkin_(char *, ftnlen), errch_(char *, char *, ftnlen, ftnlen); integer class__, nrows, cmbase; extern logical return_(void); char column[32]; integer colidx, datbas, dscbas, idxbas, idxpag, idxtyp, nflbas, nflpag, nulptr, to; logical fixlen, indexd, nullok; extern /* Subroutine */ int setmsg_(char *, ftnlen), errint_(char *, integer *, ftnlen), sigerr_(char *, ftnlen), chkout_(char *, ftnlen), dasudi_(integer *, integer *, integer *, integer *); integer spp; /* $ Abstract */ /* Add an entire class 9 column to an EK segment. */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* $ Required_Reading */ /* EK */ /* $ Keywords */ /* EK */ /* $ Declarations */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Boolean Enumerated Type */ /* ekbool.inc Version 1 21-DEC-1994 (NJB) */ /* Within the EK system, boolean values sometimes must be */ /* represented by integer or character codes. The codes and their */ /* meanings are listed below. */ /* Integer code indicating `true': */ /* Integer code indicating `false': */ /* Character code indicating `true': */ /* Character code indicating `false': */ /* End Include Section: EK Boolean Enumerated Type */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Column Class 9 Parameters */ /* ekclas08.inc Version 1 07-NOV-1995 (NJB) */ /* The following parameters give the offsets of items in the */ /* class 9 integer metadata array. */ /* Data array base address: */ /* Null flag array base address: */ /* Size of class 9 metadata array: */ /* End Include Section: EK Column Class 9 Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Column Name Size */ /* ekcnamsz.inc Version 1 17-JAN-1995 (NJB) */ /* Size of column name, in characters. */ /* End Include Section: EK Column Name Size */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Column Descriptor Parameters */ /* ekcoldsc.inc Version 6 23-AUG-1995 (NJB) */ /* Note: The column descriptor size parameter CDSCSZ is */ /* declared separately in the include section CDSIZE$INC.FOR. */ /* Offset of column descriptors, relative to start of segment */ /* integer address range. This number, when added to the last */ /* integer address preceding the segment, yields the DAS integer */ /* base address of the first column descriptor. Currently, this */ /* offset is exactly the size of a segment descriptor. The */ /* parameter SDSCSZ, which defines the size of a segment descriptor, */ /* is declared in the include file eksegdsc.inc. */ /* Size of column descriptor */ /* Indices of various pieces of column descriptors: */ /* CLSIDX is the index of the column's class code. (We use the */ /* word `class' to distinguish this item from the column's data */ /* type.) */ /* TYPIDX is the index of the column's data type code (CHR, INT, DP, */ /* or TIME). The type is actually implied by the class, but it */ /* will frequently be convenient to look up the type directly. */ /* LENIDX is the index of the column's string length value, if the */ /* column has character type. A value of IFALSE in this element of */ /* the descriptor indicates that the strings have variable length. */ /* SIZIDX is the index of the column's element size value. This */ /* descriptor element is meaningful for columns with fixed-size */ /* entries. For variable-sized columns, this value is IFALSE. */ /* NAMIDX is the index of the base address of the column's name. */ /* IXTIDX is the data type of the column's index. IXTIDX */ /* contains a type value only if the column is indexed. For columns */ /* that are not indexed, the location IXTIDX contains the boolean */ /* value IFALSE. */ /* IXPIDX is a pointer to the column's index. IXTPDX contains a */ /* meaningful value only if the column is indexed. The */ /* interpretation of the pointer depends on the data type of the */ /* index. */ /* NFLIDX is the index of a flag indicating whether nulls are */ /* permitted in the column. The value at location NFLIDX is */ /* ITRUE if nulls are permitted and IFALSE otherwise. */ /* ORDIDX is the index of the column's ordinal position in the */ /* list of columns belonging to the column's parent segment. */ /* METIDX is the index of the column's integer metadata pointer. */ /* This pointer is a DAS integer address. */ /* The last position in the column descriptor is reserved. No */ /* parameter is defined to point to this location. */ /* End Include Section: EK Column Descriptor Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Data Page Parameters */ /* ekfilpar.inc Version 1 03-APR-1995 (NJB) */ /* These parameters apply to EK files using architecture 4. */ /* These files use a paged DAS file as their underlying file */ /* structure. */ /* In paged DAS EK files, data pages are structured: they contain */ /* metadata as well as data. The metadata is located in the last */ /* few addresses of each page, so as to interfere as little as */ /* possible with calculation of data addresses. */ /* Each data page belongs to exactly one segment. Some bookkeeping */ /* information, such as record pointers, is also stored in data */ /* pages. */ /* Each page contains a forward pointer that allows rapid lookup */ /* of data items that span multiple pages. Each page also keeps */ /* track of the current number of links from its parent segment */ /* to the page. Link counts enable pages to `know' when they */ /* are no longer in use by a segment; unused pages are deallocated */ /* and returned to the free list. */ /* The parameters in this include file depend on the parameters */ /* declared in the include file ekpage.inc. If those parameters */ /* change, this file must be updated. The specified parameter */ /* declarations we need from that file are: */ /* INTEGER PGSIZC */ /* PARAMETER ( PGSIZC = 1024 ) */ /* INTEGER PGSIZD */ /* PARAMETER ( PGSIZD = 128 ) */ /* INTEGER PGSIZI */ /* PARAMETER ( PGSIZI = 256 ) */ /* Character pages use an encoding mechanism to represent integer */ /* metadata. Each integer is encoded in five consecutive */ /* characters. */ /* Character data page parameters: */ /* Size of encoded integer: */ /* Usable page size: */ /* Location of character forward pointer: */ /* Location of character link count: */ /* Double precision data page parameters: */ /* Usable page size: */ /* Location of d.p. forward pointer: */ /* Location of d.p. link count: */ /* Integer data page parameters: */ /* Usable page size: */ /* Location of integer forward pointer: */ /* Location of integer link count: */ /* End Include Section: EK Data Page Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Das Paging Parameters */ /* ekpage.inc Version 4 25-AUG-1995 (NJB) */ /* The EK DAS paging system makes use of the integer portion */ /* of an EK file's DAS address space to store the few numbers */ /* required to describe the system's state. The allocation */ /* of DAS integer addresses is shown below. */ /* DAS integer array */ /* +--------------------------------------------+ */ /* | EK architecture code | Address = 1 */ /* +--------------------------------------------+ */ /* | Character page size (in DAS words) | */ /* +--------------------------------------------+ */ /* | Character page base address | */ /* +--------------------------------------------+ */ /* | Number of character pages in file | */ /* +--------------------------------------------+ */ /* | Number of character pages on free list | */ /* +--------------------------------------------+ */ /* | Character free list head pointer | Address = 6 */ /* +--------------------------------------------+ */ /* | | Addresses = */ /* | Metadata for d.p. pages | 7--11 */ /* | | */ /* +--------------------------------------------+ */ /* | | Addresses = */ /* | Metadata for integer pages | 12--16 */ /* | | */ /* +--------------------------------------------+ */ /* . */ /* . */ /* . */ /* +--------------------------------------------+ */ /* | | End Address = */ /* | Unused space | integer page */ /* | | end */ /* +--------------------------------------------+ */ /* | | Start Address = */ /* | First integer page | integer page */ /* | | base */ /* +--------------------------------------------+ */ /* . */ /* . */ /* . */ /* +--------------------------------------------+ */ /* | | */ /* | Last integer page | */ /* | | */ /* +--------------------------------------------+ */ /* The following parameters indicate positions of elements in the */ /* paging system metadata array: */ /* Number of metadata items per data type: */ /* Character metadata indices: */ /* Double precision metadata indices: */ /* Integer metadata indices: */ /* Size of metadata area: */ /* Page sizes, in units of DAS words of the appropriate type: */ /* Default page base addresses: */ /* End Include Section: EK Das Paging Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Segment Descriptor Parameters */ /* eksegdsc.inc Version 8 06-NOV-1995 (NJB) */ /* All `base addresses' referred to below are the addresses */ /* *preceding* the item the base applies to. This convention */ /* enables simplied address calculations in many cases. */ /* Size of segment descriptor. Note: the include file ekcoldsc.inc */ /* must be updated if this parameter is changed. The parameter */ /* CDOFF in that file should be kept equal to SDSCSZ. */ /* Index of the segment type code: */ /* Index of the segment's number. This number is the segment's */ /* index in the list of segments contained in the EK to which */ /* the segment belongs. */ /* Index of the DAS integer base address of the segment's integer */ /* meta-data: */ /* Index of the DAS character base address of the table name: */ /* Index of the segment's column count: */ /* Index of the segment's record count: */ /* Index of the root page number of the record tree: */ /* Index of the root page number of the character data page tree: */ /* Index of the root page number of the double precision data page */ /* tree: */ /* Index of the root page number of the integer data page tree: */ /* Index of the `modified' flag: */ /* Index of the `initialized' flag: */ /* Index of the shadowing flag: */ /* Index of the companion file handle: */ /* Index of the companion segment number: */ /* The next three items are, respectively, the page numbers of the */ /* last character, d.p., and integer data pages allocated by the */ /* segment: */ /* The next three items are, respectively, the page-relative */ /* indices of the last DAS word in use in the segment's */ /* last character, d.p., and integer data pages: */ /* Index of the DAS character base address of the column name list: */ /* The last descriptor element is reserved for future use. No */ /* parameter is defined to point to this location. */ /* End Include Section: EK Segment Descriptor Parameters */ /* $ Disclaimer */ /* THIS SOFTWARE AND ANY RELATED MATERIALS WERE CREATED BY THE */ /* CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH) UNDER A U.S. */ /* GOVERNMENT CONTRACT WITH THE NATIONAL AERONAUTICS AND SPACE */ /* ADMINISTRATION (NASA). THE SOFTWARE IS TECHNOLOGY AND SOFTWARE */ /* PUBLICLY AVAILABLE UNDER U.S. EXPORT LAWS AND IS PROVIDED "AS-IS" */ /* TO THE RECIPIENT WITHOUT WARRANTY OF ANY KIND, INCLUDING ANY */ /* WARRANTIES OF PERFORMANCE OR MERCHANTABILITY OR FITNESS FOR A */ /* PARTICULAR USE OR PURPOSE (AS SET FORTH IN UNITED STATES UCC */ /* SECTIONS 2312-2313) OR FOR ANY PURPOSE WHATSOEVER, FOR THE */ /* SOFTWARE AND RELATED MATERIALS, HOWEVER USED. */ /* IN NO EVENT SHALL CALTECH, ITS JET PROPULSION LABORATORY, OR NASA */ /* BE LIABLE FOR ANY DAMAGES AND/OR COSTS, INCLUDING, BUT NOT */ /* LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, */ /* INCLUDING ECONOMIC DAMAGE OR INJURY TO PROPERTY AND LOST PROFITS, */ /* REGARDLESS OF WHETHER CALTECH, JPL, OR NASA BE ADVISED, HAVE */ /* REASON TO KNOW, OR, IN FACT, SHALL KNOW OF THE POSSIBILITY. */ /* RECIPIENT BEARS ALL RISK RELATING TO QUALITY AND PERFORMANCE OF */ /* THE SOFTWARE AND ANY RELATED MATERIALS, AND AGREES TO INDEMNIFY */ /* CALTECH AND NASA FOR ALL THIRD-PARTY CLAIMS RESULTING FROM THE */ /* ACTIONS OF RECIPIENT IN THE USE OF THE SOFTWARE. */ /* Include Section: EK Data Types */ /* ektype.inc Version 1 27-DEC-1994 (NJB) */ /* Within the EK system, data types of EK column contents are */ /* represented by integer codes. The codes and their meanings */ /* are listed below. */ /* Integer codes are also used within the DAS system to indicate */ /* data types; the EK system makes no assumptions about compatibility */ /* between the codes used here and those used in the DAS system. */ /* Character type: */ /* Double precision type: */ /* Integer type: */ /* `Time' type: */ /* Within the EK system, time values are represented as ephemeris */ /* seconds past J2000 (TDB), and double precision numbers are used */ /* to store these values. However, since time values require special */ /* treatment both on input and output, and since the `TIME' column */ /* has a special role in the EK specification and code, time values */ /* are identified as a type distinct from double precision numbers. */ /* End Include Section: EK Data Types */ /* $ Brief_I/O */ /* Variable I/O Description */ /* -------- --- -------------------------------------------------- */ /* HANDLE I Handle attached to new EK file. */ /* SEGDSC I Segment descriptor. */ /* COLDSC I Column descriptor. */ /* CVALS I Character values to add to column. */ /* NLFLGS I Array of null flags for column entries. */ /* WKINDX I-O Work space for column index. */ /* $ Detailed_Input */ /* HANDLE the handle of an EK file that is open for writing. */ /* A `begin segment for fast load' operation must */ /* have already been performed for the designated */ /* segment. */ /* SEGDSC is a descriptor for the segment to which data is */ /* to be added. The segment descriptor is not */ /* updated by this routine, but some fields in the */ /* descriptor will become invalid after this routine */ /* returns. */ /* COLDSC is a descriptor for the column to be added. The */ /* column attributes must be filled in, but any */ /* pointers may be uninitialized. */ /* CVALS is an array containing the entire set of column */ /* entries for the specified column. The entries */ /* are listed in row-order: the column entry for the */ /* first row of the segment is first, followed by the */ /* column entry for the second row, and so on. The */ /* number of column entries must match the declared */ /* number of rows in the segment. Elements must be */ /* allocated for each column entry, including null */ /* entries. */ /* NLFLGS is an array of logical flags indicating whether */ /* the corresponding entries are null. If the Ith */ /* element of NLFLGS is .FALSE., the Ith column entry */ /* defined by CVALS is added to the specified segment */ /* in the specified kernel file. */ /* If the Ith element of NLFGLS is .TRUE., the */ /* contents of the Ith column entry are undefined. */ /* NLFLGS is used only for columns that allow null */ /* values; it's ignored for other columns. */ /* WKINDX is a work space array used for building a column */ /* index. If the column is indexed, the dimension of */ /* WKINDX must be at NROWS, where NROWS is the number */ /* of rows in the column. If the column is not */ /* indexed, this work space is not used, so the */ /* dimension may be any positive value. */ /* $ Detailed_Output */ /* None. See $Particulars for a description of the effect of this */ /* routine. */ /* $ Parameters */ /* None. */ /* $ Exceptions */ /* 1) If HANDLE is invalid, the error will be diagnosed by routines */ /* called by this routine. */ /* 2) If an I/O error occurs while reading or writing the indicated */ /* file, the error will be diagnosed by routines called by this */ /* routine. */ /* $ Files */ /* See the EK Required Reading for a discussion of the EK file */ /* format. */ /* $ Particulars */ /* This routine operates by side effects: it modifies the named */ /* EK file by adding data to the specified column. This routine */ /* writes the entire contents of the specified column in one shot. */ /* This routine creates columns much more efficiently than can be */ /* done by sequential calls to EKACEC, but has the drawback that */ /* the caller must use more memory for the routine's inputs. This */ /* routine cannot be used to add data to a partially completed */ /* column. */ /* Class 9 columns have fixed record counts, and contain */ /* fixed-length strings. */ /* $ Examples */ /* See EKACLC. */ /* $ Restrictions */ /* 1) This routine assumes the EK file has been set up */ /* properly for a fast load operation. */ /* $ Literature_References */ /* None. */ /* $ Author_and_Institution */ /* N.J. Bachman (JPL) */ /* $ Version */ /* - Beta Version 1.0.0, 09-NOV-1995 (NJB) */ /* -& */ /* SPICELIB functions */ /* Local variables */ /* Standard SPICE error handling. */ if (return_()) { return 0; } else { chkin_("ZZEKAC09", (ftnlen)8); } /* Grab the column's attributes. Initialize the maximum non-blank */ /* width of the column. */ class__ = coldsc[0]; idxtyp = coldsc[5]; nulptr = coldsc[7]; colidx = coldsc[8]; l = coldsc[2]; nullok = nulptr != -1; indexd = idxtyp != -1; fixlen = l != -1; /* This column had better be class 9. */ if (class__ != 9) { zzekcnam_(handle, coldsc, column, (ftnlen)32); setmsg_("Column class code # found in descriptor for column #. Clas" "s should be 9.", (ftnlen)73); errint_("#", &class__, (ftnlen)1); errch_("#", column, (ftnlen)1, (ftnlen)32); sigerr_("SPICE(NOCLASS)", (ftnlen)14); chkout_("ZZEKAC09", (ftnlen)8); return 0; } /* Make sure the column has fixed-length strings. */ if (! fixlen) { zzekcnam_(handle, coldsc, column, (ftnlen)32); setmsg_("Column # has variable string length; class 9 supports fixed" "-length strings only.", (ftnlen)80); errch_("#", column, (ftnlen)1, (ftnlen)32); sigerr_("SPICE(BUG)", (ftnlen)10); chkout_("ZZEKAC09", (ftnlen)8); return 0; } /* Check the input string length. */ if (l < 0 || l > i_len(cvals, cvals_len) || l > 1014) { setmsg_("String length # is just plain wrong.", (ftnlen)36); errint_("#", &l, (ftnlen)1); sigerr_("SPICE(INVALIDSIZE)", (ftnlen)18); chkout_("ZZEKAC09", (ftnlen)8); return 0; } /* Compute the number of strings we can hold in one page. */ spp = 1014 / l; /* Find the number of rows in the segment. */ nrows = segdsc[5]; /* Decide how many pages are required to hold the array, and */ /* allocate that many new, contiguous pages. */ npage = (nrows + spp - 1) / spp; zzekacps_(handle, segdsc, &c__1, &npage, &p, &datbas); /* We'll use FROM to indicate the element of CVALS we're */ /* considering and TO to indicate the element of PAGE to write */ /* to. */ to = 1; s_copy(page, " ", (ftnlen)1024, (ftnlen)1); i__1 = nrows; for (from = 1; from <= i__1; ++from) { /* The Assignment. */ if (! nullok || ! nlflgs[from - 1]) { s_copy(page + (to - 1), cvals + (from - 1) * cvals_len, to + l - 1 - (to - 1), cvals_len); } to += l; if (to > 1014 - l + 1 || from == nrows) { /* Either the current data page is full, or we've buffered */ /* the last of the available data. It's time to write out the */ /* current page. */ zzekpgwc_(handle, &p, page, (ftnlen)1024); /* Set the link count. */ i__2 = (to - l) / l; zzekslnk_(handle, &c__1, &p, &i__2); /* Next page. */ ++p; to = 1; } } /* Update the column's metadata area to point to the data array. */ cmbase = coldsc[9]; i__1 = cmbase + 1; i__2 = cmbase + 1; dasudi_(handle, &i__1, &i__2, &datbas); /* If the column is supposed to have an index, now is the time to */ /* build that index. Type 2 indexes are just order vectors. */ if (indexd) { /* Compute the order vector. */ zzekordc_(cvals, &nullok, nlflgs, &nrows, wkindx, cvals_len); /* Write out the index. */ zzekwpai_(handle, segdsc, &nrows, wkindx, &idxpag, &idxbas); /* Update the column's metadata to point to the index. The */ /* pointer indicates base address of the index. Also set the */ /* index type in the column descriptor. */ mbase = segdsc[2]; dscbas = mbase + 24 + (colidx - 1) * 11; i__1 = dscbas + 7; i__2 = dscbas + 7; dasudi_(handle, &i__1, &i__2, &idxbas); i__1 = dscbas + 6; i__2 = dscbas + 6; dasudi_(handle, &i__1, &i__2, &c__2); } if (nullok) { /* Nulls are allowed. Write out the null flag array. */ zzekwpal_(handle, segdsc, &nrows, nlflgs, &nflpag, &nflbas); /* Update the column's metadata area to point to the null flag */ /* array. */ i__1 = cmbase + 2; i__2 = cmbase + 2; dasudi_(handle, &i__1, &i__2, &nflbas); } chkout_("ZZEKAC09", (ftnlen)8); return 0; } /* zzekac09_ */