/* Subroutine */ int derrab_(integer *nunit)
{
/* Format strings */
static char fmt_9999[] = "(1x,a6,\002 drivers passed the tests of the er"
"ror exits\002)";
static char fmt_9998[] = "(\002 *** \002,a6,\002 drivers failed the test"
"s of the error \002,\002exits ***\002)";
/* Local variables */
doublereal a[16] /* was [4][4] */, b[4], c__[4];
integer i__, j;
doublereal r__[4], w[8], x[4], r1[4], r2[4], af[16] /* was [4][4] */;
integer ip[4], info, iter;
doublereal work[1];
real swork[1];
/* Fortran I/O blocks */
static cilist io___1 = { 0, 0, 0, 0, 0 };
static cilist io___18 = { 0, 0, 0, fmt_9999, 0 };
static cilist io___19 = { 0, 0, 0, fmt_9998, 0 };
/* -- LAPACK test routine (version 3.1.1) -- */
/* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
/* January 2007 */
/* .. Scalar Arguments .. */
/* .. */
/* Purpose */
/* ======= */
/* DERRAB tests the error exits for DSGESV. */
/* Arguments */
/* ========= */
/* NUNIT (input) INTEGER */
/* The unit number for output. */
/* ===================================================================== */
/* .. Parameters .. */
/* .. */
/* .. Local Scalars .. */
/* .. */
/* .. Local Arrays .. */
/* .. */
/* .. External Subroutines .. */
/* .. */
/* .. Scalars in Common .. */
/* .. */
/* .. Common blocks .. */
/* .. */
/* .. Intrinsic Functions .. */
/* .. */
/* .. Executable Statements .. */
infoc_1.nout = *nunit;
io___1.ciunit = infoc_1.nout;
s_wsle(&io___1);
e_wsle();
/* Set the variables to innocuous values. */
for (j = 1; j <= 4; ++j) {
for (i__ = 1; i__ <= 4; ++i__) {
a[i__ + (j << 2) - 5] = 1. / (doublereal) (i__ + j);
af[i__ + (j << 2) - 5] = 1. / (doublereal) (i__ + j);
/* L10: */
}
b[j - 1] = 0.;
r1[j - 1] = 0.;
r2[j - 1] = 0.;
w[j - 1] = 0.;
x[j - 1] = 0.;
c__[j - 1] = 0.;
r__[j - 1] = 0.;
ip[j - 1] = j;
/* L20: */
}
infoc_1.ok = TRUE_;
s_copy(srnamc_1.srnamt, "DSGESV", (ftnlen)32, (ftnlen)6);
infoc_1.infot = 1;
dsgesv_(&c_n1, &c__0, a, &c__1, ip, b, &c__1, x, &c__1, work, swork, &
iter, &info);
chkxer_("DSGESV", &infoc_1.infot, &infoc_1.nout, &infoc_1.lerr, &
infoc_1.ok);
infoc_1.infot = 2;
dsgesv_(&c__0, &c_n1, a, &c__1, ip, b, &c__1, x, &c__1, work, swork, &
iter, &info);
chkxer_("DSGESV", &infoc_1.infot, &infoc_1.nout, &infoc_1.lerr, &
infoc_1.ok);
infoc_1.infot = 4;
dsgesv_(&c__2, &c__1, a, &c__1, ip, b, &c__2, x, &c__2, work, swork, &
iter, &info);
chkxer_("DSGESV", &infoc_1.infot, &infoc_1.nout, &infoc_1.lerr, &
infoc_1.ok);
infoc_1.infot = 7;
dsgesv_(&c__2, &c__1, a, &c__2, ip, b, &c__1, x, &c__2, work, swork, &
iter, &info);
chkxer_("DSGESV", &infoc_1.infot, &infoc_1.nout, &infoc_1.lerr, &
infoc_1.ok);
infoc_1.infot = 9;
dsgesv_(&c__2, &c__1, a, &c__2, ip, b, &c__2, x, &c__1, work, swork, &
iter, &info);
chkxer_("DSGESV", &infoc_1.infot, &infoc_1.nout, &infoc_1.lerr, &
infoc_1.ok);
/* Print a summary line. */
if (infoc_1.ok) {
io___18.ciunit = infoc_1.nout;
s_wsfe(&io___18);
do_fio(&c__1, "DSGESV", (ftnlen)6);
e_wsfe();
} else {
io___19.ciunit = infoc_1.nout;
s_wsfe(&io___19);
do_fio(&c__1, "DSGESV", (ftnlen)6);
e_wsfe();
}
return 0;
/* End of DERRAB */
} /* derrab_ */
/* Subroutine */ int ddrvab_(logical *dotype, integer *nm, integer *mval,
integer *nns, integer *nsval, doublereal *thresh, integer *nmax,
doublereal *a, doublereal *afac, doublereal *b, doublereal *x,
doublereal *work, doublereal *rwork, real *swork, integer *iwork,
integer *nout)
{
/* Initialized data */
static integer iseedy[4] = { 2006,2007,2008,2009 };
/* Format strings */
static char fmt_9988[] = "(\002 *** \002,a6,\002 returned with INFO ="
"\002,i5,\002 instead of \002,i5,/\002 ==> M =\002,i5,\002, type"
" \002,i2)";
static char fmt_9975[] = "(\002 *** Error code from \002,a6,\002=\002,"
"i5,\002 for M=\002,i5,\002, type \002,i2)";
static char fmt_8999[] = "(/1x,a3,\002: General dense matrices\002)";
static char fmt_8979[] = "(4x,\0021. Diagonal\002,24x,\0027. Last n/2 co"
"lumns zero\002,/4x,\0022. Upper triangular\002,16x,\0028. Random"
", CNDNUM = sqrt(0.1/EPS)\002,/4x,\0023. Lower triangular\002,16x,"
"\0029. Random, CNDNUM = 0.1/EPS\002,/4x,\0024. Random, CNDNUM = 2"
"\002,13x,\00210. Scaled near underflow\002,/4x,\0025. First colu"
"mn zero\002,14x,\00211. Scaled near overflow\002,/4x,\0026. Last"
" column zero\002)";
static char fmt_8960[] = "(3x,i2,\002: norm_1( B - A * X ) / \002,\002("
" norm_1(A) * norm_1(X) * EPS * SQRT(N) ) > 1 if ITERREF\002,/4x"
",\002or norm_1( B - A * X ) / \002,\002( norm_1(A) * norm_1(X) "
"* EPS ) > THRES if DGETRF\002)";
static char fmt_9998[] = "(\002 TRANS='\002,a1,\002', N =\002,i5,\002, N"
"RHS=\002,i3,\002, type \002,i2,\002, test(\002,i2,\002) =\002,g1"
"2.5)";
static char fmt_9996[] = "(1x,a6,\002: \002,i6,\002 out of \002,i6,\002 "
"tests failed to pass the threshold\002)";
static char fmt_9995[] = "(/1x,\002All tests for \002,a6,\002 routines p"
"assed the threshold (\002,i6,\002 tests run)\002)";
static char fmt_9994[] = "(6x,i6,\002 error messages recorded\002)";
/* System generated locals */
integer i__1, i__2, i__3;
cilist ci__1;
/* Builtin functions */
/* Subroutine */ int s_copy(char *, char *, ftnlen, ftnlen);
integer s_wsfe(cilist *), do_fio(integer *, char *, ftnlen), e_wsfe(void);
double sqrt(doublereal);
/* Local variables */
integer i__, m, n, im, kl, ku, lda, ioff, mode, kase, imat, info;
char path[3], dist[1];
integer irhs, iter, nrhs;
char type__[1];
integer nrun;
extern /* Subroutine */ int alahd_(integer *, char *);
integer nfail, iseed[4];
extern /* Subroutine */ int dget08_(char *, integer *, integer *, integer
*, doublereal *, integer *, doublereal *, integer *, doublereal *,
integer *, doublereal *, doublereal *);
integer nimat;
doublereal anorm;
char trans[1];
integer izero, nerrs;
logical zerot;
char xtype[1];
extern /* Subroutine */ int dlatb4_(char *, integer *, integer *, integer
*, char *, integer *, integer *, doublereal *, integer *,
doublereal *, char *), alaerh_(char *,
char *, integer *, integer *, char *, integer *, integer *,
integer *, integer *, integer *, integer *, integer *, integer *,
integer *), dlacpy_(char *, integer *,
integer *, doublereal *, integer *, doublereal *, integer *), dlarhs_(char *, char *, char *, char *, integer *,
integer *, integer *, integer *, integer *, doublereal *, integer
*, doublereal *, integer *, doublereal *, integer *, integer *,
integer *), dlaset_(char *,
integer *, integer *, doublereal *, doublereal *, doublereal *,
integer *);
doublereal cndnum;
extern /* Subroutine */ int dlatms_(integer *, integer *, char *, integer
*, char *, doublereal *, integer *, doublereal *, doublereal *,
integer *, integer *, char *, doublereal *, integer *, doublereal
*, integer *), dsgesv_(integer *, integer
*, doublereal *, integer *, integer *, doublereal *, integer *,
doublereal *, integer *, doublereal *, real *, integer *, integer
*);
doublereal result[1];
/* Fortran I/O blocks */
static cilist io___31 = { 0, 0, 0, fmt_9988, 0 };
static cilist io___32 = { 0, 0, 0, fmt_9975, 0 };
static cilist io___34 = { 0, 0, 0, fmt_8999, 0 };
static cilist io___35 = { 0, 0, 0, fmt_8979, 0 };
static cilist io___36 = { 0, 0, 0, fmt_8960, 0 };
static cilist io___37 = { 0, 0, 0, fmt_9998, 0 };
static cilist io___38 = { 0, 0, 0, fmt_9996, 0 };
static cilist io___39 = { 0, 0, 0, fmt_9995, 0 };
static cilist io___40 = { 0, 0, 0, fmt_9994, 0 };
/* -- LAPACK test routine (version 3.1) -- */
/* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
/* November 2006 */
/* .. Scalar Arguments .. */
/* .. */
/* .. Array Arguments .. */
/* .. */
/* Purpose */
/* ======= */
/* DDRVAB tests DSGESV */
/* Arguments */
/* ========= */
/* DOTYPE (input) LOGICAL array, dimension (NTYPES) */
/* The matrix types to be used for testing. Matrices of type j */
/* (for 1 <= j <= NTYPES) are used for testing if DOTYPE(j) = */
/* .TRUE.; if DOTYPE(j) = .FALSE., then type j is not used. */
/* NM (input) INTEGER */
/* The number of values of M contained in the vector MVAL. */
/* MVAL (input) INTEGER array, dimension (NM) */
/* The values of the matrix row dimension M. */
/* NNS (input) INTEGER */
/* The number of values of NRHS contained in the vector NSVAL. */
/* NSVAL (input) INTEGER array, dimension (NNS) */
/* The values of the number of right hand sides NRHS. */
/* THRESH (input) DOUBLE PRECISION */
/* The threshold value for the test ratios. A result is */
/* included in the output file if RESULT >= THRESH. To have */
/* every test ratio printed, use THRESH = 0. */
/* NMAX (input) INTEGER */
/* The maximum value permitted for M or N, used in dimensioning */
/* the work arrays. */
/* A (workspace) DOUBLE PRECISION array, dimension (NMAX*NMAX) */
/* AFAC (workspace) DOUBLE PRECISION array, dimension (NMAX*NMAX) */
/* B (workspace) DOUBLE PRECISION array, dimension (NMAX*NSMAX) */
/* where NSMAX is the largest entry in NSVAL. */
/* X (workspace) DOUBLE PRECISION array, dimension (NMAX*NSMAX) */
/* WORK (workspace) DOUBLE PRECISION array, dimension */
/* (NMAX*max(3,NSMAX)) */
/* RWORK (workspace) DOUBLE PRECISION array, dimension */
/* (max(2*NMAX,2*NSMAX+NWORK)) */
/* SWORK (workspace) REAL array, dimension */
/* (NMAX*(NSMAX+NMAX)) */
/* IWORK (workspace) INTEGER array, dimension */
/* NMAX */
/* NOUT (input) INTEGER */
/* The unit number for output. */
/* ===================================================================== */
/* .. Parameters .. */
/* .. */
/* .. Local Scalars .. */
/* .. */
/* .. Local Arrays .. */
/* .. */
/* .. Local Variables .. */
/* .. */
/* .. External Subroutines .. */
/* .. */
/* .. Intrinsic Functions .. */
/* .. */
/* .. Scalars in Common .. */
/* .. */
/* .. Common blocks .. */
/* .. */
/* .. Data statements .. */
/* Parameter adjustments */
--iwork;
--swork;
--rwork;
--work;
--x;
--b;
--afac;
--a;
--nsval;
--mval;
--dotype;
/* Function Body */
/* .. */
/* .. Executable Statements .. */
/* Initialize constants and the random number seed. */
kase = 0;
s_copy(path, "Double precision", (ftnlen)1, (ftnlen)16);
s_copy(path + 1, "GE", (ftnlen)2, (ftnlen)2);
nrun = 0;
nfail = 0;
nerrs = 0;
for (i__ = 1; i__ <= 4; ++i__) {
iseed[i__ - 1] = iseedy[i__ - 1];
/* L10: */
}
infoc_1.infot = 0;
/* Do for each value of M in MVAL */
i__1 = *nm;
for (im = 1; im <= i__1; ++im) {
m = mval[im];
lda = max(1,m);
n = m;
nimat = 11;
if (m <= 0 || n <= 0) {
nimat = 1;
}
i__2 = nimat;
for (imat = 1; imat <= i__2; ++imat) {
/* Do the tests only if DOTYPE( IMAT ) is true. */
if (! dotype[imat]) {
goto L100;
}
/* Skip types 5, 6, or 7 if the matrix size is too small. */
zerot = imat >= 5 && imat <= 7;
if (zerot && n < imat - 4) {
goto L100;
}
/* Set up parameters with DLATB4 and generate a test matrix */
/* with DLATMS. */
dlatb4_(path, &imat, &m, &n, type__, &kl, &ku, &anorm, &mode, &
cndnum, dist);
s_copy(srnamc_1.srnamt, "DLATMS", (ftnlen)6, (ftnlen)6);
dlatms_(&m, &n, dist, iseed, type__, &rwork[1], &mode, &cndnum, &
anorm, &kl, &ku, "No packing", &a[1], &lda, &work[1], &
info);
/* Check error code from DLATMS. */
if (info != 0) {
alaerh_(path, "DLATMS", &info, &c__0, " ", &m, &n, &c_n1, &
c_n1, &c_n1, &imat, &nfail, &nerrs, nout);
goto L100;
}
/* For types 5-7, zero one or more columns of the matrix to */
/* test that INFO is returned correctly. */
if (zerot) {
if (imat == 5) {
izero = 1;
} else if (imat == 6) {
izero = min(m,n);
} else {
izero = min(m,n) / 2 + 1;
}
ioff = (izero - 1) * lda;
if (imat < 7) {
i__3 = m;
for (i__ = 1; i__ <= i__3; ++i__) {
a[ioff + i__] = 0.;
/* L20: */
}
} else {
i__3 = n - izero + 1;
dlaset_("Full", &m, &i__3, &c_b17, &c_b17, &a[ioff + 1], &
lda);
}
} else {
izero = 0;
}
i__3 = *nns;
for (irhs = 1; irhs <= i__3; ++irhs) {
nrhs = nsval[irhs];
*(unsigned char *)xtype = 'N';
*(unsigned char *)trans = 'N';
s_copy(srnamc_1.srnamt, "DLARHS", (ftnlen)6, (ftnlen)6);
dlarhs_(path, xtype, " ", trans, &n, &n, &kl, &ku, &nrhs, &a[
1], &lda, &x[1], &lda, &b[1], &lda, iseed, &info);
s_copy(srnamc_1.srnamt, "DSGESV", (ftnlen)6, (ftnlen)6);
++kase;
dlacpy_("Full", &m, &n, &a[1], &lda, &afac[1], &lda);
dsgesv_(&n, &nrhs, &a[1], &lda, &iwork[1], &b[1], &lda, &x[1],
&lda, &work[1], &swork[1], &iter, &info);
if (iter < 0) {
dlacpy_("Full", &m, &n, &afac[1], &lda, &a[1], &lda);
}
/* Check error code from DSGESV. This should be the same as */
/* the one of DGETRF. */
if (info != izero) {
if (nfail == 0 && nerrs == 0) {
alahd_(nout, path);
}
++nerrs;
if (info != izero && izero != 0) {
io___31.ciunit = *nout;
s_wsfe(&io___31);
do_fio(&c__1, "DSGESV", (ftnlen)6);
do_fio(&c__1, (char *)&info, (ftnlen)sizeof(integer));
do_fio(&c__1, (char *)&izero, (ftnlen)sizeof(integer))
;
do_fio(&c__1, (char *)&m, (ftnlen)sizeof(integer));
do_fio(&c__1, (char *)&imat, (ftnlen)sizeof(integer));
e_wsfe();
} else {
io___32.ciunit = *nout;
s_wsfe(&io___32);
do_fio(&c__1, "DSGESV", (ftnlen)6);
do_fio(&c__1, (char *)&info, (ftnlen)sizeof(integer));
do_fio(&c__1, (char *)&m, (ftnlen)sizeof(integer));
do_fio(&c__1, (char *)&imat, (ftnlen)sizeof(integer));
e_wsfe();
}
}
/* Skip the remaining test if the matrix is singular. */
if (info != 0) {
goto L100;
}
/* Check the quality of the solution */
dlacpy_("Full", &n, &nrhs, &b[1], &lda, &work[1], &lda);
dget08_(trans, &n, &n, &nrhs, &a[1], &lda, &x[1], &lda, &work[
1], &lda, &rwork[1], result);
/* Check if the test passes the tesing. */
/* Print information about the tests that did not */
/* pass the testing. */
/* If iterative refinement has been used and claimed to */
/* be successful (ITER>0), we want */
/* NORM1(B - A*X)/(NORM1(A)*NORM1(X)*EPS*SRQT(N)) < 1 */
/* If double precision has been used (ITER<0), we want */
/* NORM1(B - A*X)/(NORM1(A)*NORM1(X)*EPS) < THRES */
/* (Cf. the linear solver testing routines) */
if (*thresh <= 0.f || iter >= 0 && n > 0 && result[0] >= sqrt(
(doublereal) n) || iter < 0 && result[0] >= *thresh) {
if (nfail == 0 && nerrs == 0) {
io___34.ciunit = *nout;
s_wsfe(&io___34);
do_fio(&c__1, "DGE", (ftnlen)3);
e_wsfe();
ci__1.cierr = 0;
ci__1.ciunit = *nout;
ci__1.cifmt = "( ' Matrix types:' )";
s_wsfe(&ci__1);
e_wsfe();
io___35.ciunit = *nout;
s_wsfe(&io___35);
e_wsfe();
ci__1.cierr = 0;
ci__1.ciunit = *nout;
ci__1.cifmt = "( ' Test ratios:' )";
s_wsfe(&ci__1);
e_wsfe();
io___36.ciunit = *nout;
s_wsfe(&io___36);
do_fio(&c__1, (char *)&c__1, (ftnlen)sizeof(integer));
e_wsfe();
ci__1.cierr = 0;
ci__1.ciunit = *nout;
ci__1.cifmt = "( ' Messages:' )";
s_wsfe(&ci__1);
e_wsfe();
}
io___37.ciunit = *nout;
s_wsfe(&io___37);
do_fio(&c__1, trans, (ftnlen)1);
do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer));
do_fio(&c__1, (char *)&nrhs, (ftnlen)sizeof(integer));
do_fio(&c__1, (char *)&imat, (ftnlen)sizeof(integer));
do_fio(&c__1, (char *)&c__1, (ftnlen)sizeof(integer));
do_fio(&c__1, (char *)&result[0], (ftnlen)sizeof(
doublereal));
e_wsfe();
++nfail;
}
++nrun;
/* L60: */
}
L100:
;
}
/* L120: */
}
/* Print a summary of the results. */
if (nfail > 0) {
io___38.ciunit = *nout;
s_wsfe(&io___38);
do_fio(&c__1, "DSGESV", (ftnlen)6);
do_fio(&c__1, (char *)&nfail, (ftnlen)sizeof(integer));
do_fio(&c__1, (char *)&nrun, (ftnlen)sizeof(integer));
e_wsfe();
} else {
io___39.ciunit = *nout;
s_wsfe(&io___39);
do_fio(&c__1, "DSGESV", (ftnlen)6);
do_fio(&c__1, (char *)&nrun, (ftnlen)sizeof(integer));
e_wsfe();
}
if (nerrs > 0) {
io___40.ciunit = *nout;
s_wsfe(&io___40);
do_fio(&c__1, (char *)&nerrs, (ftnlen)sizeof(integer));
e_wsfe();
}
/* SUBNAM, INFO, INFOE, M, IMAT */
/* SUBNAM, INFO, M, IMAT */
return 0;
/* End of DDRVAB */
} /* ddrvab_ */
