whitespace fixes
This commit is contained in:
Axel Kohlmeyer
@ -1,13 +1,13 @@
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/* fortran/dsyev.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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@ -157,8 +157,8 @@ ices</b> */
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/* ===================================================================== */
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/* Subroutine */ int dsyev_(char *jobz, char *uplo, integer *n, doublereal *a,
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integer *lda, doublereal *w, doublereal *work, integer *lwork,
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integer *info, ftnlen jobz_len, ftnlen uplo_len)
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integer *lda, doublereal *w, doublereal *work, integer *lwork,
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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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@ -174,35 +174,35 @@ ices</b> */
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doublereal anrm;
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integer imax;
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doublereal rmin, rmax;
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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;
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logical lower, wantz;
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extern doublereal dlamch_(char *, ftnlen);
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integer iscale;
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extern /* Subroutine */ int 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 dlascl_(char *, integer *, integer *,
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doublereal *, doublereal *, integer *, integer *, doublereal *,
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integer *, integer *, ftnlen);
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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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integer indtau;
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extern /* Subroutine */ int dsterf_(integer *, doublereal *, doublereal *,
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integer *);
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extern doublereal dlansy_(char *, char *, integer *, doublereal *,
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integer *, doublereal *, ftnlen, ftnlen);
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integer *);
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extern doublereal dlansy_(char *, char *, integer *, doublereal *,
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integer *, doublereal *, ftnlen, ftnlen);
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integer indwrk;
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extern /* Subroutine */ int dorgtr_(char *, integer *, doublereal *,
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integer *, doublereal *, doublereal *, integer *, integer *,
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ftnlen), dsteqr_(char *, integer *, doublereal *, doublereal *,
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doublereal *, integer *, doublereal *, integer *, ftnlen),
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dsytrd_(char *, integer *, doublereal *, integer *, doublereal *,
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doublereal *, doublereal *, doublereal *, integer *, integer *,
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ftnlen);
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extern /* Subroutine */ int dorgtr_(char *, integer *, doublereal *,
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integer *, doublereal *, doublereal *, integer *, integer *,
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ftnlen), dsteqr_(char *, integer *, doublereal *, doublereal *,
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doublereal *, integer *, doublereal *, integer *, ftnlen),
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dsytrd_(char *, integer *, doublereal *, integer *, doublereal *,
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doublereal *, doublereal *, doublereal *, integer *, integer *,
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ftnlen);
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integer llwork;
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doublereal smlnum;
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integer lwkopt;
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@ -248,51 +248,51 @@ ices</b> */
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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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nb = ilaenv_(&c__1, (char *)"DSYTRD", uplo, n, &c_n1, &c_n1, &c_n1, (ftnlen)6,
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(ftnlen)1);
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nb = ilaenv_(&c__1, (char *)"DSYTRD", uplo, n, &c_n1, &c_n1, &c_n1, (ftnlen)6,
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(ftnlen)1);
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/* Computing MAX */
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i__1 = 1, i__2 = (nb + 2) * *n;
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lwkopt = max(i__1,i__2);
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work[1] = (doublereal) lwkopt;
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i__1 = 1, i__2 = (nb + 2) * *n;
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lwkopt = max(i__1,i__2);
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work[1] = (doublereal) lwkopt;
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/* Computing MAX */
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i__1 = 1, i__2 = *n * 3 - 1;
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if (*lwork < max(i__1,i__2) && ! lquery) {
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*info = -8;
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}
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i__1 = 1, i__2 = *n * 3 - 1;
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if (*lwork < max(i__1,i__2) && ! lquery) {
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*info = -8;
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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 *)"DSYEV ", &i__1, (ftnlen)6);
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return 0;
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i__1 = -(*info);
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xerbla_((char *)"DSYEV ", &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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w[1] = a[a_dim1 + 1];
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work[1] = 2.;
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if (wantz) {
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a[a_dim1 + 1] = 1.;
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}
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return 0;
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w[1] = a[a_dim1 + 1];
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work[1] = 2.;
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if (wantz) {
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a[a_dim1 + 1] = 1.;
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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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@ -307,18 +307,18 @@ ices</b> */
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/* Scale matrix to allowable range, if necessary. */
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anrm = dlansy_((char *)"M", uplo, n, &a[a_offset], lda, &work[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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dlascl_(uplo, &c__0, &c__0, &c_b17, &sigma, n, n, &a[a_offset], lda,
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info, (ftnlen)1);
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dlascl_(uplo, &c__0, &c__0, &c_b17, &sigma, n, n, &a[a_offset], lda,
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info, (ftnlen)1);
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}
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/* Call DSYTRD to reduce symmetric matrix to tridiagonal form. */
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@ -328,30 +328,30 @@ ices</b> */
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indwrk = indtau + *n;
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llwork = *lwork - indwrk + 1;
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dsytrd_(uplo, n, &a[a_offset], lda, &w[1], &work[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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/* DORGTR to generate the orthogonal matrix, then call DSTEQR. */
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if (! wantz) {
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dsterf_(n, &w[1], &work[inde], info);
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dsterf_(n, &w[1], &work[inde], info);
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} else {
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dorgtr_(uplo, n, &a[a_offset], lda, &work[indtau], &work[indwrk], &
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llwork, &iinfo, (ftnlen)1);
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dsteqr_(jobz, n, &w[1], &work[inde], &a[a_offset], lda, &work[indtau],
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info, (ftnlen)1);
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dorgtr_(uplo, n, &a[a_offset], lda, &work[indtau], &work[indwrk], &
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llwork, &iinfo, (ftnlen)1);
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dsteqr_(jobz, n, &w[1], &work[inde], &a[a_offset], lda, &work[indtau],
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info, (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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/* Set WORK(1) to optimal workspace size. */
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@ -365,5 +365,5 @@ ices</b> */
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} /* dsyev_ */
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#ifdef __cplusplus
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}
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}
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#endif
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