/*
----------------------------------------------
purpose -- to read in an IV object from a file
input --
fn -- filename, must be *.ivb or *.ivf
return value -- 1 if success, 0 if failure
created -- 95oct06, cca
----------------------------------------------
*/
int
IV_readFromFile (
IV *iv,
char *fn
) {
FILE *fp ;
int fnlength, rc, sulength ;
/*
---------------
check the input
---------------
*/
if ( iv == NULL || fn == NULL ) {
fprintf(stderr,
"\n error in IV_readFromFile(%p,%s), file %s, line %d"
"\n bad input\n", iv, fn, __FILE__, __LINE__) ;
return(0) ;
}
/*
-------------
read the file
-------------
*/
fnlength = strlen(fn) ;
sulength = strlen(suffixb) ;
if ( fnlength > sulength ) {
if ( strcmp(&fn[fnlength-sulength], suffixb) == 0 ) {
if ( (fp = fopen(fn, "rb")) == NULL ) {
fprintf(stderr, "\n error in IV_readFromFile(%p,%s)"
"\n unable to open file %s", iv, fn, fn) ;
rc = 0 ;
} else {
rc = IV_readFromBinaryFile(iv, fp) ;
fclose(fp) ;
}
} else if ( strcmp(&fn[fnlength-sulength], suffixf) == 0 ) {
if ( (fp = fopen(fn, "r")) == NULL ) {
fprintf(stderr, "\n error in IV_readFromFile(%p,%s)"
"\n unable to open file %s", iv, fn, fn) ;
rc = 0 ;
} else {
rc = IV_readFromFormattedFile(iv, fp) ;
fclose(fp) ;
}
} else {
fprintf(stderr, "\n error in IV_readFromFile(%p,%s)"
"\n bad IV file name %s,"
"\n must end in %s (binary) or %s (formatted)\n",
iv, fn, fn, suffixb, suffixf) ;
rc = 0 ;
}
} else {
fprintf(stderr, "\n error in IV_readFromFile(%p,%s)"
"\n bad IV file name %s,"
"\n must end in %s (binary) or %s (formatted)\n",
iv, fn, fn, suffixb, suffixf) ;
rc = 0 ;
}
return(rc) ; }
/*
----------------------------------------------------
purpose -- to read an ETree object from a binary file
return value -- 1 if success, 0 if failure
created -- 95nov15, cca
----------------------------------------------------
*/
int
ETree_readFromBinaryFile (
ETree *etree,
FILE *fp
) {
int rc ;
int itemp[2] ;
/*
---------------
check the input
---------------
*/
if ( etree == NULL || fp == NULL ) {
fprintf(stderr, "\n fatal error in ETree_readFromBinaryFile(%p,%p)"
"\n bad input\n", etree, fp) ;
return(0) ;
}
/*
---------------------
clear the data fields
---------------------
*/
ETree_clearData(etree) ;
/*
---------------------------
initialize the ETree object
---------------------------
*/
ETree_init1(etree, 0, 0) ;
/*
-----------------------------
read in the two scalar fields
-----------------------------
*/
if ( (rc = fread((void *) itemp, sizeof(int), 2, fp)) != 2 ) {
fprintf(stderr, "\n error in ETree_readFromBinaryFile(%p,%p)"
"\n itemp(2) : %d items of %d read\n", etree, fp, rc, 2) ;
return(0) ;
}
etree->nfront = itemp[0] ;
etree->nvtx = itemp[1] ;
/*
-----------------------
read in the Tree object
-----------------------
*/
Tree_readFromBinaryFile(etree->tree, fp) ;
/*
------------------------------
read in the nodwghts IV object
------------------------------
*/
IV_readFromBinaryFile(etree->nodwghtsIV, fp) ;
/*
------------------------------
read in the bndwghts IV object
------------------------------
*/
IV_readFromBinaryFile(etree->bndwghtsIV, fp) ;
/*
--------------------------------
read in the vtxToFront IV object
--------------------------------
*/
IV_readFromBinaryFile(etree->vtxToFrontIV, fp) ;
return(1) ; }