whitespace fixes
This commit is contained in:
Axel Kohlmeyer
@ -1,13 +1,13 @@
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/* fortran/zheevd.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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@ -228,10 +228,10 @@ f"> */
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/* > at Berkeley, USA */
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/* > */
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/* ===================================================================== */
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/* Subroutine */ int zheevd_(char *jobz, char *uplo, integer *n,
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doublecomplex *a, integer *lda, doublereal *w, doublecomplex *work,
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integer *lwork, doublereal *rwork, integer *lrwork, integer *iwork,
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integer *liwork, integer *info, ftnlen jobz_len, ftnlen uplo_len)
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/* Subroutine */ int zheevd_(char *jobz, char *uplo, integer *n,
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doublecomplex *a, integer *lda, doublereal *w, doublecomplex *work,
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integer *lwork, doublereal *rwork, integer *lrwork, integer *iwork,
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integer *liwork, integer *info, ftnlen jobz_len, ftnlen uplo_len)
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{
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/* System generated locals */
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integer a_dim1, a_offset, i__1, i__2;
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@ -247,8 +247,8 @@ f"> */
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integer imax;
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doublereal rmin, rmax;
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integer lopt;
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extern /* Subroutine */ int dscal_(integer *, doublereal *, doublereal *,
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integer *);
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extern /* Subroutine */ int dscal_(integer *, doublereal *, doublereal *,
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integer *);
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doublereal sigma;
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extern logical lsame_(char *, char *, ftnlen, ftnlen);
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integer iinfo, lwmin, liopt;
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@ -259,33 +259,33 @@ f"> */
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extern doublereal dlamch_(char *, ftnlen);
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integer iscale;
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doublereal safmin;
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extern integer ilaenv_(integer *, char *, char *, integer *, integer *,
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integer *, integer *, ftnlen, ftnlen);
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extern integer ilaenv_(integer *, char *, char *, integer *, integer *,
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integer *, integer *, ftnlen, ftnlen);
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extern /* Subroutine */ int xerbla_(char *, integer *, ftnlen);
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doublereal bignum;
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extern doublereal zlanhe_(char *, char *, integer *, doublecomplex *,
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integer *, doublereal *, ftnlen, ftnlen);
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extern doublereal zlanhe_(char *, char *, integer *, doublecomplex *,
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integer *, doublereal *, ftnlen, ftnlen);
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integer indtau;
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extern /* Subroutine */ int dsterf_(integer *, doublereal *, doublereal *,
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integer *), zlascl_(char *, integer *, integer *, doublereal *,
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doublereal *, integer *, integer *, doublecomplex *, integer *,
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integer *, ftnlen), zstedc_(char *, integer *, doublereal *,
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doublereal *, doublecomplex *, integer *, doublecomplex *,
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integer *, doublereal *, integer *, integer *, integer *, integer
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*, ftnlen);
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integer *), zlascl_(char *, integer *, integer *, doublereal *,
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doublereal *, integer *, integer *, doublecomplex *, integer *,
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integer *, ftnlen), zstedc_(char *, integer *, doublereal *,
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doublereal *, doublecomplex *, integer *, doublecomplex *,
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integer *, doublereal *, integer *, integer *, integer *, integer
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*, ftnlen);
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integer indrwk, indwrk, liwmin;
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extern /* Subroutine */ int zhetrd_(char *, integer *, doublecomplex *,
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integer *, doublereal *, doublereal *, doublecomplex *,
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doublecomplex *, integer *, integer *, ftnlen), zlacpy_(char *,
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integer *, integer *, doublecomplex *, integer *, doublecomplex *,
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integer *, ftnlen);
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extern /* Subroutine */ int zhetrd_(char *, integer *, doublecomplex *,
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integer *, doublereal *, doublereal *, doublecomplex *,
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doublecomplex *, integer *, integer *, ftnlen), zlacpy_(char *,
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integer *, integer *, doublecomplex *, integer *, doublecomplex *,
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integer *, ftnlen);
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integer lrwmin, llwork;
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doublereal smlnum;
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logical lquery;
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extern /* Subroutine */ int zunmtr_(char *, char *, char *, integer *,
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integer *, doublecomplex *, integer *, doublecomplex *,
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doublecomplex *, integer *, doublecomplex *, integer *, integer *,
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ftnlen, ftnlen, ftnlen);
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extern /* Subroutine */ int zunmtr_(char *, char *, char *, integer *,
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integer *, doublecomplex *, integer *, doublecomplex *,
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doublecomplex *, integer *, doublecomplex *, integer *, integer *,
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ftnlen, ftnlen, ftnlen);
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/* -- LAPACK driver routine -- */
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@ -329,77 +329,77 @@ f"> */
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*info = 0;
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if (! (wantz || lsame_(jobz, (char *)"N", (ftnlen)1, (ftnlen)1))) {
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*info = -1;
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*info = -1;
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} else if (! (lower || lsame_(uplo, (char *)"U", (ftnlen)1, (ftnlen)1))) {
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*info = -2;
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*info = -2;
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} else if (*n < 0) {
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*info = -3;
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*info = -3;
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} else if (*lda < max(1,*n)) {
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*info = -5;
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*info = -5;
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}
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if (*info == 0) {
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if (*n <= 1) {
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lwmin = 1;
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lrwmin = 1;
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liwmin = 1;
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lopt = lwmin;
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lropt = lrwmin;
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liopt = liwmin;
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} else {
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if (wantz) {
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lwmin = (*n << 1) + *n * *n;
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if (*n <= 1) {
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lwmin = 1;
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lrwmin = 1;
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liwmin = 1;
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lopt = lwmin;
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lropt = lrwmin;
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liopt = liwmin;
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} else {
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if (wantz) {
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lwmin = (*n << 1) + *n * *n;
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/* Computing 2nd power */
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i__1 = *n;
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lrwmin = *n * 5 + 1 + (i__1 * i__1 << 1);
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liwmin = *n * 5 + 3;
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} else {
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lwmin = *n + 1;
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lrwmin = *n;
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liwmin = 1;
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}
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i__1 = *n;
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lrwmin = *n * 5 + 1 + (i__1 * i__1 << 1);
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liwmin = *n * 5 + 3;
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} else {
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lwmin = *n + 1;
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lrwmin = *n;
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liwmin = 1;
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}
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/* Computing MAX */
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i__1 = lwmin, i__2 = *n + *n * ilaenv_(&c__1, (char *)"ZHETRD", uplo, n, &
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c_n1, &c_n1, &c_n1, (ftnlen)6, (ftnlen)1);
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lopt = max(i__1,i__2);
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lropt = lrwmin;
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liopt = liwmin;
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}
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work[1].r = (doublereal) lopt, work[1].i = 0.;
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rwork[1] = (doublereal) lropt;
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iwork[1] = liopt;
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i__1 = lwmin, i__2 = *n + *n * ilaenv_(&c__1, (char *)"ZHETRD", uplo, n, &
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c_n1, &c_n1, &c_n1, (ftnlen)6, (ftnlen)1);
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lopt = max(i__1,i__2);
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lropt = lrwmin;
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liopt = liwmin;
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}
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work[1].r = (doublereal) lopt, work[1].i = 0.;
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rwork[1] = (doublereal) lropt;
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iwork[1] = liopt;
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if (*lwork < lwmin && ! lquery) {
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*info = -8;
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} else if (*lrwork < lrwmin && ! lquery) {
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*info = -10;
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} else if (*liwork < liwmin && ! lquery) {
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*info = -12;
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}
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if (*lwork < lwmin && ! lquery) {
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*info = -8;
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} else if (*lrwork < lrwmin && ! lquery) {
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*info = -10;
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} else if (*liwork < liwmin && ! lquery) {
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*info = -12;
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}
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}
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if (*info != 0) {
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i__1 = -(*info);
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xerbla_((char *)"ZHEEVD", &i__1, (ftnlen)6);
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return 0;
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i__1 = -(*info);
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xerbla_((char *)"ZHEEVD", &i__1, (ftnlen)6);
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return 0;
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} else if (lquery) {
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return 0;
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return 0;
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}
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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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}
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if (*n == 1) {
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i__1 = a_dim1 + 1;
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w[1] = a[i__1].r;
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if (wantz) {
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i__1 = a_dim1 + 1;
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a[i__1].r = 1., a[i__1].i = 0.;
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}
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return 0;
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i__1 = a_dim1 + 1;
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w[1] = a[i__1].r;
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if (wantz) {
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i__1 = a_dim1 + 1;
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a[i__1].r = 1., a[i__1].i = 0.;
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}
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return 0;
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}
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/* Get machine constants. */
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@ -414,18 +414,18 @@ f"> */
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/* Scale matrix to allowable range, if necessary. */
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anrm = zlanhe_((char *)"M", uplo, n, &a[a_offset], lda, &rwork[1], (ftnlen)1, (
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ftnlen)1);
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ftnlen)1);
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iscale = 0;
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if (anrm > 0. && anrm < rmin) {
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iscale = 1;
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sigma = rmin / anrm;
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iscale = 1;
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sigma = rmin / anrm;
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} else if (anrm > rmax) {
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iscale = 1;
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sigma = rmax / anrm;
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iscale = 1;
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sigma = rmax / anrm;
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}
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if (iscale == 1) {
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zlascl_(uplo, &c__0, &c__0, &c_b18, &sigma, n, n, &a[a_offset], lda,
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info, (ftnlen)1);
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zlascl_(uplo, &c__0, &c__0, &c_b18, &sigma, n, n, &a[a_offset], lda,
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info, (ftnlen)1);
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}
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/* Call ZHETRD to reduce Hermitian matrix to tridiagonal form. */
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@ -439,7 +439,7 @@ f"> */
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llwrk2 = *lwork - indwk2 + 1;
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llrwk = *lrwork - indrwk + 1;
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zhetrd_(uplo, n, &a[a_offset], lda, &w[1], &rwork[inde], &work[indtau], &
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work[indwrk], &llwork, &iinfo, (ftnlen)1);
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work[indwrk], &llwork, &iinfo, (ftnlen)1);
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/* For eigenvalues only, call DSTERF. For eigenvectors, first call */
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/* ZSTEDC to generate the eigenvector matrix, WORK(INDWRK), of the */
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@ -448,27 +448,27 @@ f"> */
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/* A. */
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if (! wantz) {
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dsterf_(n, &w[1], &rwork[inde], info);
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dsterf_(n, &w[1], &rwork[inde], info);
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} else {
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zstedc_((char *)"I", n, &w[1], &rwork[inde], &work[indwrk], n, &work[indwk2],
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&llwrk2, &rwork[indrwk], &llrwk, &iwork[1], liwork, info, (
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ftnlen)1);
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zunmtr_((char *)"L", uplo, (char *)"N", n, n, &a[a_offset], lda, &work[indtau], &work[
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indwrk], n, &work[indwk2], &llwrk2, &iinfo, (ftnlen)1, (
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ftnlen)1, (ftnlen)1);
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zlacpy_((char *)"A", n, n, &work[indwrk], n, &a[a_offset], lda, (ftnlen)1);
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zstedc_((char *)"I", n, &w[1], &rwork[inde], &work[indwrk], n, &work[indwk2],
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&llwrk2, &rwork[indrwk], &llrwk, &iwork[1], liwork, info, (
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ftnlen)1);
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zunmtr_((char *)"L", uplo, (char *)"N", n, n, &a[a_offset], lda, &work[indtau], &work[
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indwrk], n, &work[indwk2], &llwrk2, &iinfo, (ftnlen)1, (
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ftnlen)1, (ftnlen)1);
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zlacpy_((char *)"A", n, n, &work[indwrk], n, &a[a_offset], lda, (ftnlen)1);
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}
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/* If matrix was scaled, then rescale eigenvalues appropriately. */
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if (iscale == 1) {
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if (*info == 0) {
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imax = *n;
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} else {
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imax = *info - 1;
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}
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d__1 = 1. / sigma;
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dscal_(&imax, &d__1, &w[1], &c__1);
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if (*info == 0) {
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imax = *n;
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} else {
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imax = *info - 1;
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}
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d__1 = 1. / sigma;
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dscal_(&imax, &d__1, &w[1], &c__1);
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}
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work[1].r = (doublereal) lopt, work[1].i = 0.;
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@ -482,5 +482,5 @@ f"> */
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} /* zheevd_ */
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#ifdef __cplusplus
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}
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}
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#endif
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