whitespace fixes
This commit is contained in:
Axel Kohlmeyer
@ -1,13 +1,13 @@
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/* fortran/dlalsd.f -- translated by f2c (version 20200916).
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You must link the resulting object file with libf2c:
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on Microsoft Windows system, link with libf2c.lib;
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on Linux or Unix systems, link with .../path/to/libf2c.a -lm
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or, if you install libf2c.a in a standard place, with -lf2c -lm
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-- in that order, at the end of the command line, as in
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cc *.o -lf2c -lm
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Source for libf2c is in /netlib/f2c/libf2c.zip, e.g.,
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on Microsoft Windows system, link with libf2c.lib;
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on Linux or Unix systems, link with .../path/to/libf2c.a -lm
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or, if you install libf2c.a in a standard place, with -lf2c -lm
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-- in that order, at the end of the command line, as in
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cc *.o -lf2c -lm
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Source for libf2c is in /netlib/f2c/libf2c.zip, e.g.,
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http://www.netlib.org/f2c/libf2c.zip
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http://www.netlib.org/f2c/libf2c.zip
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*/
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#ifdef __cplusplus
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@ -201,10 +201,10 @@ f"> */
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/* > Osni Marques, LBNL/NERSC, USA \n */
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/* ===================================================================== */
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/* Subroutine */ int dlalsd_(char *uplo, integer *smlsiz, integer *n, integer
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*nrhs, doublereal *d__, doublereal *e, doublereal *b, integer *ldb,
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doublereal *rcond, integer *rank, doublereal *work, integer *iwork,
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integer *info, ftnlen uplo_len)
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/* Subroutine */ int dlalsd_(char *uplo, integer *smlsiz, integer *n, integer
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*nrhs, doublereal *d__, doublereal *e, doublereal *b, integer *ldb,
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doublereal *rcond, integer *rank, doublereal *work, integer *iwork,
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integer *info, ftnlen uplo_len)
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{
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/* System generated locals */
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integer b_dim1, b_offset, i__1, i__2;
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@ -227,44 +227,44 @@ f"> */
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integer difl, difr;
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doublereal rcnd;
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integer perm, nsub;
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extern /* Subroutine */ int drot_(integer *, doublereal *, integer *,
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doublereal *, integer *, doublereal *, doublereal *);
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extern /* Subroutine */ int drot_(integer *, doublereal *, integer *,
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doublereal *, integer *, doublereal *, doublereal *);
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integer nlvl, sqre, bxst;
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extern /* Subroutine */ int dgemm_(char *, char *, integer *, integer *,
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integer *, doublereal *, doublereal *, integer *, doublereal *,
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integer *, doublereal *, doublereal *, integer *, ftnlen, ftnlen),
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dcopy_(integer *, doublereal *, integer *, doublereal *, integer
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*);
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extern /* Subroutine */ int dgemm_(char *, char *, integer *, integer *,
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integer *, doublereal *, doublereal *, integer *, doublereal *,
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integer *, doublereal *, doublereal *, integer *, ftnlen, ftnlen),
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dcopy_(integer *, doublereal *, integer *, doublereal *, integer
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*);
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integer poles, sizei, nsize, nwork, icmpq1, icmpq2;
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extern doublereal dlamch_(char *, ftnlen);
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extern /* Subroutine */ int dlasda_(integer *, integer *, integer *,
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integer *, doublereal *, doublereal *, doublereal *, integer *,
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doublereal *, integer *, doublereal *, doublereal *, doublereal *,
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doublereal *, integer *, integer *, integer *, integer *,
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doublereal *, doublereal *, doublereal *, doublereal *, integer *,
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integer *), dlalsa_(integer *, integer *, integer *, integer *,
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doublereal *, integer *, doublereal *, integer *, doublereal *,
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integer *, doublereal *, integer *, doublereal *, doublereal *,
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doublereal *, doublereal *, integer *, integer *, integer *,
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integer *, doublereal *, doublereal *, doublereal *, doublereal *,
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integer *, integer *), dlascl_(char *, integer *, integer *,
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doublereal *, doublereal *, integer *, integer *, doublereal *,
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integer *, integer *, ftnlen);
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extern /* Subroutine */ int dlasda_(integer *, integer *, integer *,
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integer *, doublereal *, doublereal *, doublereal *, integer *,
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doublereal *, integer *, doublereal *, doublereal *, doublereal *,
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doublereal *, integer *, integer *, integer *, integer *,
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doublereal *, doublereal *, doublereal *, doublereal *, integer *,
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integer *), dlalsa_(integer *, integer *, integer *, integer *,
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doublereal *, integer *, doublereal *, integer *, doublereal *,
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integer *, doublereal *, integer *, doublereal *, doublereal *,
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doublereal *, doublereal *, integer *, integer *, integer *,
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integer *, doublereal *, doublereal *, doublereal *, doublereal *,
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integer *, integer *), dlascl_(char *, integer *, integer *,
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doublereal *, doublereal *, integer *, integer *, doublereal *,
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integer *, integer *, ftnlen);
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extern integer idamax_(integer *, doublereal *, integer *);
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extern /* Subroutine */ int dlasdq_(char *, integer *, integer *, integer
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*, integer *, integer *, doublereal *, doublereal *, doublereal *,
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integer *, doublereal *, integer *, doublereal *, integer *,
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doublereal *, integer *, ftnlen), dlacpy_(char *, integer *,
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integer *, doublereal *, integer *, doublereal *, integer *,
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ftnlen), dlartg_(doublereal *, doublereal *, doublereal *,
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doublereal *, doublereal *), dlaset_(char *, integer *, integer *,
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doublereal *, doublereal *, doublereal *, integer *, ftnlen),
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xerbla_(char *, integer *, ftnlen);
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extern /* Subroutine */ int dlasdq_(char *, integer *, integer *, integer
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*, integer *, integer *, doublereal *, doublereal *, doublereal *,
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integer *, doublereal *, integer *, doublereal *, integer *,
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doublereal *, integer *, ftnlen), dlacpy_(char *, integer *,
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integer *, doublereal *, integer *, doublereal *, integer *,
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ftnlen), dlartg_(doublereal *, doublereal *, doublereal *,
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doublereal *, doublereal *), dlaset_(char *, integer *, integer *,
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doublereal *, doublereal *, doublereal *, integer *, ftnlen),
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xerbla_(char *, integer *, ftnlen);
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integer givcol;
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extern doublereal dlanst_(char *, integer *, doublereal *, doublereal *,
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ftnlen);
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extern /* Subroutine */ int dlasrt_(char *, integer *, doublereal *,
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integer *, ftnlen);
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extern doublereal dlanst_(char *, integer *, doublereal *, doublereal *,
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ftnlen);
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extern /* Subroutine */ int dlasrt_(char *, integer *, doublereal *,
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integer *, ftnlen);
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doublereal orgnrm;
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integer givnum, givptr, smlszp;
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@ -307,16 +307,16 @@ f"> */
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*info = 0;
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if (*n < 0) {
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*info = -3;
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*info = -3;
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} else if (*nrhs < 1) {
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*info = -4;
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*info = -4;
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} else if (*ldb < 1 || *ldb < *n) {
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*info = -8;
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*info = -8;
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}
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if (*info != 0) {
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i__1 = -(*info);
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xerbla_((char *)"DLALSD", &i__1, (ftnlen)6);
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return 0;
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i__1 = -(*info);
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xerbla_((char *)"DLALSD", &i__1, (ftnlen)6);
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return 0;
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}
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eps = dlamch_((char *)"Epsilon", (ftnlen)7);
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@ -324,9 +324,9 @@ f"> */
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/* Set up the tolerance. */
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if (*rcond <= 0. || *rcond >= 1.) {
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rcnd = eps;
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rcnd = eps;
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} else {
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rcnd = *rcond;
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rcnd = *rcond;
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}
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*rank = 0;
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@ -334,52 +334,52 @@ f"> */
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/* Quick return if possible. */
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if (*n == 0) {
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return 0;
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return 0;
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} else if (*n == 1) {
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if (d__[1] == 0.) {
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dlaset_((char *)"A", &c__1, nrhs, &c_b6, &c_b6, &b[b_offset], ldb, (
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ftnlen)1);
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} else {
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*rank = 1;
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dlascl_((char *)"G", &c__0, &c__0, &d__[1], &c_b11, &c__1, nrhs, &b[
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b_offset], ldb, info, (ftnlen)1);
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d__[1] = abs(d__[1]);
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}
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return 0;
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if (d__[1] == 0.) {
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dlaset_((char *)"A", &c__1, nrhs, &c_b6, &c_b6, &b[b_offset], ldb, (
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ftnlen)1);
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} else {
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*rank = 1;
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dlascl_((char *)"G", &c__0, &c__0, &d__[1], &c_b11, &c__1, nrhs, &b[
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b_offset], ldb, info, (ftnlen)1);
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d__[1] = abs(d__[1]);
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}
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return 0;
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}
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/* Rotate the matrix if it is lower bidiagonal. */
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if (*(unsigned char *)uplo == 'L') {
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i__1 = *n - 1;
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for (i__ = 1; i__ <= i__1; ++i__) {
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dlartg_(&d__[i__], &e[i__], &cs, &sn, &r__);
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d__[i__] = r__;
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e[i__] = sn * d__[i__ + 1];
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d__[i__ + 1] = cs * d__[i__ + 1];
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if (*nrhs == 1) {
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drot_(&c__1, &b[i__ + b_dim1], &c__1, &b[i__ + 1 + b_dim1], &
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c__1, &cs, &sn);
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} else {
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work[(i__ << 1) - 1] = cs;
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work[i__ * 2] = sn;
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}
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i__1 = *n - 1;
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for (i__ = 1; i__ <= i__1; ++i__) {
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dlartg_(&d__[i__], &e[i__], &cs, &sn, &r__);
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d__[i__] = r__;
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e[i__] = sn * d__[i__ + 1];
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d__[i__ + 1] = cs * d__[i__ + 1];
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if (*nrhs == 1) {
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drot_(&c__1, &b[i__ + b_dim1], &c__1, &b[i__ + 1 + b_dim1], &
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c__1, &cs, &sn);
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} else {
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work[(i__ << 1) - 1] = cs;
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work[i__ * 2] = sn;
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}
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/* L10: */
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}
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if (*nrhs > 1) {
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i__1 = *nrhs;
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for (i__ = 1; i__ <= i__1; ++i__) {
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i__2 = *n - 1;
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for (j = 1; j <= i__2; ++j) {
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cs = work[(j << 1) - 1];
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sn = work[j * 2];
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drot_(&c__1, &b[j + i__ * b_dim1], &c__1, &b[j + 1 + i__ *
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b_dim1], &c__1, &cs, &sn);
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}
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if (*nrhs > 1) {
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i__1 = *nrhs;
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for (i__ = 1; i__ <= i__1; ++i__) {
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i__2 = *n - 1;
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for (j = 1; j <= i__2; ++j) {
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cs = work[(j << 1) - 1];
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sn = work[j * 2];
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drot_(&c__1, &b[j + i__ * b_dim1], &c__1, &b[j + 1 + i__ *
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b_dim1], &c__1, &cs, &sn);
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/* L20: */
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}
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}
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/* L30: */
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}
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}
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}
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}
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}
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/* Scale. */
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@ -387,58 +387,58 @@ f"> */
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nm1 = *n - 1;
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orgnrm = dlanst_((char *)"M", n, &d__[1], &e[1], (ftnlen)1);
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if (orgnrm == 0.) {
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dlaset_((char *)"A", n, nrhs, &c_b6, &c_b6, &b[b_offset], ldb, (ftnlen)1);
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return 0;
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dlaset_((char *)"A", n, nrhs, &c_b6, &c_b6, &b[b_offset], ldb, (ftnlen)1);
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return 0;
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}
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dlascl_((char *)"G", &c__0, &c__0, &orgnrm, &c_b11, n, &c__1, &d__[1], n, info, (
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ftnlen)1);
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dlascl_((char *)"G", &c__0, &c__0, &orgnrm, &c_b11, &nm1, &c__1, &e[1], &nm1,
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info, (ftnlen)1);
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ftnlen)1);
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dlascl_((char *)"G", &c__0, &c__0, &orgnrm, &c_b11, &nm1, &c__1, &e[1], &nm1,
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info, (ftnlen)1);
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/* If N is smaller than the minimum divide size SMLSIZ, then solve */
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/* the problem with another solver. */
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if (*n <= *smlsiz) {
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nwork = *n * *n + 1;
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dlaset_((char *)"A", n, n, &c_b6, &c_b11, &work[1], n, (ftnlen)1);
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dlasdq_((char *)"U", &c__0, n, n, &c__0, nrhs, &d__[1], &e[1], &work[1], n, &
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work[1], n, &b[b_offset], ldb, &work[nwork], info, (ftnlen)1);
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if (*info != 0) {
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return 0;
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}
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tol = rcnd * (d__1 = d__[idamax_(n, &d__[1], &c__1)], abs(d__1));
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i__1 = *n;
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for (i__ = 1; i__ <= i__1; ++i__) {
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if (d__[i__] <= tol) {
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dlaset_((char *)"A", &c__1, nrhs, &c_b6, &c_b6, &b[i__ + b_dim1], ldb,
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(ftnlen)1);
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} else {
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dlascl_((char *)"G", &c__0, &c__0, &d__[i__], &c_b11, &c__1, nrhs, &b[
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i__ + b_dim1], ldb, info, (ftnlen)1);
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++(*rank);
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}
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nwork = *n * *n + 1;
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dlaset_((char *)"A", n, n, &c_b6, &c_b11, &work[1], n, (ftnlen)1);
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dlasdq_((char *)"U", &c__0, n, n, &c__0, nrhs, &d__[1], &e[1], &work[1], n, &
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work[1], n, &b[b_offset], ldb, &work[nwork], info, (ftnlen)1);
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if (*info != 0) {
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return 0;
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}
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tol = rcnd * (d__1 = d__[idamax_(n, &d__[1], &c__1)], abs(d__1));
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i__1 = *n;
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for (i__ = 1; i__ <= i__1; ++i__) {
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if (d__[i__] <= tol) {
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dlaset_((char *)"A", &c__1, nrhs, &c_b6, &c_b6, &b[i__ + b_dim1], ldb,
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(ftnlen)1);
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} else {
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dlascl_((char *)"G", &c__0, &c__0, &d__[i__], &c_b11, &c__1, nrhs, &b[
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i__ + b_dim1], ldb, info, (ftnlen)1);
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++(*rank);
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}
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/* L40: */
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}
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dgemm_((char *)"T", (char *)"N", n, nrhs, n, &c_b11, &work[1], n, &b[b_offset], ldb, &
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c_b6, &work[nwork], n, (ftnlen)1, (ftnlen)1);
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dlacpy_((char *)"A", n, nrhs, &work[nwork], n, &b[b_offset], ldb, (ftnlen)1);
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}
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dgemm_((char *)"T", (char *)"N", n, nrhs, n, &c_b11, &work[1], n, &b[b_offset], ldb, &
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c_b6, &work[nwork], n, (ftnlen)1, (ftnlen)1);
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dlacpy_((char *)"A", n, nrhs, &work[nwork], n, &b[b_offset], ldb, (ftnlen)1);
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/* Unscale. */
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dlascl_((char *)"G", &c__0, &c__0, &c_b11, &orgnrm, n, &c__1, &d__[1], n,
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info, (ftnlen)1);
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dlasrt_((char *)"D", n, &d__[1], info, (ftnlen)1);
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dlascl_((char *)"G", &c__0, &c__0, &orgnrm, &c_b11, n, nrhs, &b[b_offset],
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ldb, info, (ftnlen)1);
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dlascl_((char *)"G", &c__0, &c__0, &c_b11, &orgnrm, n, &c__1, &d__[1], n,
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info, (ftnlen)1);
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dlasrt_((char *)"D", n, &d__[1], info, (ftnlen)1);
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dlascl_((char *)"G", &c__0, &c__0, &orgnrm, &c_b11, n, nrhs, &b[b_offset],
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ldb, info, (ftnlen)1);
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return 0;
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return 0;
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}
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/* Book-keeping and setting up some constants. */
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nlvl = (integer) (log((doublereal) (*n) / (doublereal) (*smlsiz + 1)) /
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log(2.)) + 1;
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nlvl = (integer) (log((doublereal) (*n) / (doublereal) (*smlsiz + 1)) /
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log(2.)) + 1;
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smlszp = *smlsiz + 1;
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@ -469,95 +469,95 @@ f"> */
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i__1 = *n;
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for (i__ = 1; i__ <= i__1; ++i__) {
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if ((d__1 = d__[i__], abs(d__1)) < eps) {
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d__[i__] = d_sign(&eps, &d__[i__]);
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}
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if ((d__1 = d__[i__], abs(d__1)) < eps) {
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d__[i__] = d_sign(&eps, &d__[i__]);
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}
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/* L50: */
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}
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i__1 = nm1;
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for (i__ = 1; i__ <= i__1; ++i__) {
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if ((d__1 = e[i__], abs(d__1)) < eps || i__ == nm1) {
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++nsub;
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iwork[nsub] = st;
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if ((d__1 = e[i__], abs(d__1)) < eps || i__ == nm1) {
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++nsub;
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iwork[nsub] = st;
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/* Subproblem found. First determine its size and then */
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/* apply divide and conquer on it. */
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if (i__ < nm1) {
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if (i__ < nm1) {
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/* A subproblem with E(I) small for I < NM1. */
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nsize = i__ - st + 1;
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iwork[sizei + nsub - 1] = nsize;
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} else if ((d__1 = e[i__], abs(d__1)) >= eps) {
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nsize = i__ - st + 1;
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iwork[sizei + nsub - 1] = nsize;
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} else if ((d__1 = e[i__], abs(d__1)) >= eps) {
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|
||||
/* A subproblem with E(NM1) not too small but I = NM1. */
|
||||
|
||||
nsize = *n - st + 1;
|
||||
iwork[sizei + nsub - 1] = nsize;
|
||||
} else {
|
||||
nsize = *n - st + 1;
|
||||
iwork[sizei + nsub - 1] = nsize;
|
||||
} else {
|
||||
|
||||
/* A subproblem with E(NM1) small. This implies an */
|
||||
/* 1-by-1 subproblem at D(N), which is not solved */
|
||||
/* explicitly. */
|
||||
|
||||
nsize = i__ - st + 1;
|
||||
iwork[sizei + nsub - 1] = nsize;
|
||||
++nsub;
|
||||
iwork[nsub] = *n;
|
||||
iwork[sizei + nsub - 1] = 1;
|
||||
dcopy_(nrhs, &b[*n + b_dim1], ldb, &work[bx + nm1], n);
|
||||
}
|
||||
st1 = st - 1;
|
||||
if (nsize == 1) {
|
||||
nsize = i__ - st + 1;
|
||||
iwork[sizei + nsub - 1] = nsize;
|
||||
++nsub;
|
||||
iwork[nsub] = *n;
|
||||
iwork[sizei + nsub - 1] = 1;
|
||||
dcopy_(nrhs, &b[*n + b_dim1], ldb, &work[bx + nm1], n);
|
||||
}
|
||||
st1 = st - 1;
|
||||
if (nsize == 1) {
|
||||
|
||||
/* This is a 1-by-1 subproblem and is not solved */
|
||||
/* explicitly. */
|
||||
|
||||
dcopy_(nrhs, &b[st + b_dim1], ldb, &work[bx + st1], n);
|
||||
} else if (nsize <= *smlsiz) {
|
||||
dcopy_(nrhs, &b[st + b_dim1], ldb, &work[bx + st1], n);
|
||||
} else if (nsize <= *smlsiz) {
|
||||
|
||||
/* This is a small subproblem and is solved by DLASDQ. */
|
||||
|
||||
dlaset_((char *)"A", &nsize, &nsize, &c_b6, &c_b11, &work[vt + st1],
|
||||
n, (ftnlen)1);
|
||||
dlasdq_((char *)"U", &c__0, &nsize, &nsize, &c__0, nrhs, &d__[st], &e[
|
||||
st], &work[vt + st1], n, &work[nwork], n, &b[st +
|
||||
b_dim1], ldb, &work[nwork], info, (ftnlen)1);
|
||||
if (*info != 0) {
|
||||
return 0;
|
||||
}
|
||||
dlacpy_((char *)"A", &nsize, nrhs, &b[st + b_dim1], ldb, &work[bx +
|
||||
st1], n, (ftnlen)1);
|
||||
} else {
|
||||
dlaset_((char *)"A", &nsize, &nsize, &c_b6, &c_b11, &work[vt + st1],
|
||||
n, (ftnlen)1);
|
||||
dlasdq_((char *)"U", &c__0, &nsize, &nsize, &c__0, nrhs, &d__[st], &e[
|
||||
st], &work[vt + st1], n, &work[nwork], n, &b[st +
|
||||
b_dim1], ldb, &work[nwork], info, (ftnlen)1);
|
||||
if (*info != 0) {
|
||||
return 0;
|
||||
}
|
||||
dlacpy_((char *)"A", &nsize, nrhs, &b[st + b_dim1], ldb, &work[bx +
|
||||
st1], n, (ftnlen)1);
|
||||
} else {
|
||||
|
||||
/* A large problem. Solve it using divide and conquer. */
|
||||
|
||||
dlasda_(&icmpq1, smlsiz, &nsize, &sqre, &d__[st], &e[st], &
|
||||
work[u + st1], n, &work[vt + st1], &iwork[k + st1], &
|
||||
work[difl + st1], &work[difr + st1], &work[z__ + st1],
|
||||
&work[poles + st1], &iwork[givptr + st1], &iwork[
|
||||
givcol + st1], n, &iwork[perm + st1], &work[givnum +
|
||||
st1], &work[c__ + st1], &work[s + st1], &work[nwork],
|
||||
&iwork[iwk], info);
|
||||
if (*info != 0) {
|
||||
return 0;
|
||||
}
|
||||
bxst = bx + st1;
|
||||
dlalsa_(&icmpq2, smlsiz, &nsize, nrhs, &b[st + b_dim1], ldb, &
|
||||
work[bxst], n, &work[u + st1], n, &work[vt + st1], &
|
||||
iwork[k + st1], &work[difl + st1], &work[difr + st1],
|
||||
&work[z__ + st1], &work[poles + st1], &iwork[givptr +
|
||||
st1], &iwork[givcol + st1], n, &iwork[perm + st1], &
|
||||
work[givnum + st1], &work[c__ + st1], &work[s + st1],
|
||||
&work[nwork], &iwork[iwk], info);
|
||||
if (*info != 0) {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
st = i__ + 1;
|
||||
}
|
||||
dlasda_(&icmpq1, smlsiz, &nsize, &sqre, &d__[st], &e[st], &
|
||||
work[u + st1], n, &work[vt + st1], &iwork[k + st1], &
|
||||
work[difl + st1], &work[difr + st1], &work[z__ + st1],
|
||||
&work[poles + st1], &iwork[givptr + st1], &iwork[
|
||||
givcol + st1], n, &iwork[perm + st1], &work[givnum +
|
||||
st1], &work[c__ + st1], &work[s + st1], &work[nwork],
|
||||
&iwork[iwk], info);
|
||||
if (*info != 0) {
|
||||
return 0;
|
||||
}
|
||||
bxst = bx + st1;
|
||||
dlalsa_(&icmpq2, smlsiz, &nsize, nrhs, &b[st + b_dim1], ldb, &
|
||||
work[bxst], n, &work[u + st1], n, &work[vt + st1], &
|
||||
iwork[k + st1], &work[difl + st1], &work[difr + st1],
|
||||
&work[z__ + st1], &work[poles + st1], &iwork[givptr +
|
||||
st1], &iwork[givcol + st1], n, &iwork[perm + st1], &
|
||||
work[givnum + st1], &work[c__ + st1], &work[s + st1],
|
||||
&work[nwork], &iwork[iwk], info);
|
||||
if (*info != 0) {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
st = i__ + 1;
|
||||
}
|
||||
/* L60: */
|
||||
}
|
||||
|
||||
@ -571,15 +571,15 @@ f"> */
|
||||
/* Some of the elements in D can be negative because 1-by-1 */
|
||||
/* subproblems were not solved explicitly. */
|
||||
|
||||
if ((d__1 = d__[i__], abs(d__1)) <= tol) {
|
||||
dlaset_((char *)"A", &c__1, nrhs, &c_b6, &c_b6, &work[bx + i__ - 1], n, (
|
||||
ftnlen)1);
|
||||
} else {
|
||||
++(*rank);
|
||||
dlascl_((char *)"G", &c__0, &c__0, &d__[i__], &c_b11, &c__1, nrhs, &work[
|
||||
bx + i__ - 1], n, info, (ftnlen)1);
|
||||
}
|
||||
d__[i__] = (d__1 = d__[i__], abs(d__1));
|
||||
if ((d__1 = d__[i__], abs(d__1)) <= tol) {
|
||||
dlaset_((char *)"A", &c__1, nrhs, &c_b6, &c_b6, &work[bx + i__ - 1], n, (
|
||||
ftnlen)1);
|
||||
} else {
|
||||
++(*rank);
|
||||
dlascl_((char *)"G", &c__0, &c__0, &d__[i__], &c_b11, &c__1, nrhs, &work[
|
||||
bx + i__ - 1], n, info, (ftnlen)1);
|
||||
}
|
||||
d__[i__] = (d__1 = d__[i__], abs(d__1));
|
||||
/* L70: */
|
||||
}
|
||||
|
||||
@ -588,38 +588,38 @@ f"> */
|
||||
icmpq2 = 1;
|
||||
i__1 = nsub;
|
||||
for (i__ = 1; i__ <= i__1; ++i__) {
|
||||
st = iwork[i__];
|
||||
st1 = st - 1;
|
||||
nsize = iwork[sizei + i__ - 1];
|
||||
bxst = bx + st1;
|
||||
if (nsize == 1) {
|
||||
dcopy_(nrhs, &work[bxst], n, &b[st + b_dim1], ldb);
|
||||
} else if (nsize <= *smlsiz) {
|
||||
dgemm_((char *)"T", (char *)"N", &nsize, nrhs, &nsize, &c_b11, &work[vt + st1], n,
|
||||
&work[bxst], n, &c_b6, &b[st + b_dim1], ldb, (ftnlen)1, (
|
||||
ftnlen)1);
|
||||
} else {
|
||||
dlalsa_(&icmpq2, smlsiz, &nsize, nrhs, &work[bxst], n, &b[st +
|
||||
b_dim1], ldb, &work[u + st1], n, &work[vt + st1], &iwork[
|
||||
k + st1], &work[difl + st1], &work[difr + st1], &work[z__
|
||||
+ st1], &work[poles + st1], &iwork[givptr + st1], &iwork[
|
||||
givcol + st1], n, &iwork[perm + st1], &work[givnum + st1],
|
||||
&work[c__ + st1], &work[s + st1], &work[nwork], &iwork[
|
||||
iwk], info);
|
||||
if (*info != 0) {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
st = iwork[i__];
|
||||
st1 = st - 1;
|
||||
nsize = iwork[sizei + i__ - 1];
|
||||
bxst = bx + st1;
|
||||
if (nsize == 1) {
|
||||
dcopy_(nrhs, &work[bxst], n, &b[st + b_dim1], ldb);
|
||||
} else if (nsize <= *smlsiz) {
|
||||
dgemm_((char *)"T", (char *)"N", &nsize, nrhs, &nsize, &c_b11, &work[vt + st1], n,
|
||||
&work[bxst], n, &c_b6, &b[st + b_dim1], ldb, (ftnlen)1, (
|
||||
ftnlen)1);
|
||||
} else {
|
||||
dlalsa_(&icmpq2, smlsiz, &nsize, nrhs, &work[bxst], n, &b[st +
|
||||
b_dim1], ldb, &work[u + st1], n, &work[vt + st1], &iwork[
|
||||
k + st1], &work[difl + st1], &work[difr + st1], &work[z__
|
||||
+ st1], &work[poles + st1], &iwork[givptr + st1], &iwork[
|
||||
givcol + st1], n, &iwork[perm + st1], &work[givnum + st1],
|
||||
&work[c__ + st1], &work[s + st1], &work[nwork], &iwork[
|
||||
iwk], info);
|
||||
if (*info != 0) {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
/* L80: */
|
||||
}
|
||||
|
||||
/* Unscale and sort the singular values. */
|
||||
|
||||
dlascl_((char *)"G", &c__0, &c__0, &c_b11, &orgnrm, n, &c__1, &d__[1], n, info, (
|
||||
ftnlen)1);
|
||||
ftnlen)1);
|
||||
dlasrt_((char *)"D", n, &d__[1], info, (ftnlen)1);
|
||||
dlascl_((char *)"G", &c__0, &c__0, &orgnrm, &c_b11, n, nrhs, &b[b_offset], ldb,
|
||||
info, (ftnlen)1);
|
||||
dlascl_((char *)"G", &c__0, &c__0, &orgnrm, &c_b11, n, nrhs, &b[b_offset], ldb,
|
||||
info, (ftnlen)1);
|
||||
|
||||
return 0;
|
||||
|
||||
@ -628,5 +628,5 @@ f"> */
|
||||
} /* dlalsd_ */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user