[] add metering mode to CLI

1 files changed, 284 insertions, 0 deletions

diff --git a/contrib/libs/clapack/cheev.c b/contrib/libs/clapack/cheev.c
new file mode 100644
index 0000000000..58e2c93ea0
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+++ b/contrib/libs/clapack/cheev.c
@@ -0,0 +1,284 @@
+/* cheev.f -- translated by f2c (version 20061008).
+   You must link the resulting object file with libf2c:
+	on Microsoft Windows system, link with libf2c.lib;
+	on Linux or Unix systems, link with .../path/to/libf2c.a -lm
+	or, if you install libf2c.a in a standard place, with -lf2c -lm
+	-- in that order, at the end of the command line, as in
+		cc *.o -lf2c -lm
+	Source for libf2c is in /netlib/f2c/libf2c.zip, e.g.,
+
+		http://www.netlib.org/f2c/libf2c.zip
+*/
+
+#include "f2c.h"
+#include "blaswrap.h"
+
+/* Table of constant values */
+
+static integer c__1 = 1;
+static integer c_n1 = -1;
+static integer c__0 = 0;
+static real c_b18 = 1.f;
+
+/* Subroutine */ int cheev_(char *jobz, char *uplo, integer *n, complex *a, 
+	integer *lda, real *w, complex *work, integer *lwork, real *rwork, 
+	integer *info)
+{
+    /* System generated locals */
+    integer a_dim1, a_offset, i__1, i__2;
+    real r__1;
+
+    /* Builtin functions */
+    double sqrt(doublereal);
+
+    /* Local variables */
+    integer nb;
+    real eps;
+    integer inde;
+    real anrm;
+    integer imax;
+    real rmin, rmax, sigma;
+    extern logical lsame_(char *, char *);
+    integer iinfo;
+    extern /* Subroutine */ int sscal_(integer *, real *, real *, integer *);
+    logical lower, wantz;
+    extern doublereal clanhe_(char *, char *, integer *, complex *, integer *, 
+	     real *);
+    integer iscale;
+    extern /* Subroutine */ int clascl_(char *, integer *, integer *, real *, 
+	    real *, integer *, integer *, complex *, integer *, integer *);
+    extern doublereal slamch_(char *);
+    extern /* Subroutine */ int chetrd_(char *, integer *, complex *, integer 
+	    *, real *, real *, complex *, complex *, integer *, integer *);
+    real safmin;
+    extern integer ilaenv_(integer *, char *, char *, integer *, integer *, 
+	    integer *, integer *);
+    extern /* Subroutine */ int xerbla_(char *, integer *);
+    real bignum;
+    integer indtau, indwrk;
+    extern /* Subroutine */ int csteqr_(char *, integer *, real *, real *, 
+	    complex *, integer *, real *, integer *), cungtr_(char *, 
+	    integer *, complex *, integer *, complex *, complex *, integer *, 
+	    integer *), ssterf_(integer *, real *, real *, integer *);
+    integer llwork;
+    real smlnum;
+    integer lwkopt;
+    logical lquery;
+
+
+/*  -- LAPACK driver routine (version 3.2) -- */
+/*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
+/*     November 2006 */
+
+/*     .. Scalar Arguments .. */
+/*     .. */
+/*     .. Array Arguments .. */
+/*     .. */
+
+/*  Purpose */
+/*  ======= */
+
+/*  CHEEV computes all eigenvalues and, optionally, eigenvectors of a */
+/*  complex Hermitian matrix A. */
+
+/*  Arguments */
+/*  ========= */
+
+/*  JOBZ    (input) CHARACTER*1 */
+/*          = 'N':  Compute eigenvalues only; */
+/*          = 'V':  Compute eigenvalues and eigenvectors. */
+
+/*  UPLO    (input) CHARACTER*1 */
+/*          = 'U':  Upper triangle of A is stored; */
+/*          = 'L':  Lower triangle of A is stored. */
+
+/*  N       (input) INTEGER */
+/*          The order of the matrix A.  N >= 0. */
+
+/*  A       (input/output) COMPLEX array, dimension (LDA, N) */
+/*          On entry, the Hermitian matrix A.  If UPLO = 'U', the */
+/*          leading N-by-N upper triangular part of A contains the */
+/*          upper triangular part of the matrix A.  If UPLO = 'L', */
+/*          the leading N-by-N lower triangular part of A contains */
+/*          the lower triangular part of the matrix A. */
+/*          On exit, if JOBZ = 'V', then if INFO = 0, A contains the */
+/*          orthonormal eigenvectors of the matrix A. */
+/*          If JOBZ = 'N', then on exit the lower triangle (if UPLO='L') */
+/*          or the upper triangle (if UPLO='U') of A, including the */
+/*          diagonal, is destroyed. */
+
+/*  LDA     (input) INTEGER */
+/*          The leading dimension of the array A.  LDA >= max(1,N). */
+
+/*  W       (output) REAL array, dimension (N) */
+/*          If INFO = 0, the eigenvalues in ascending order. */
+
+/*  WORK    (workspace/output) COMPLEX array, dimension (MAX(1,LWORK)) */
+/*          On exit, if INFO = 0, WORK(1) returns the optimal LWORK. */
+
+/*  LWORK   (input) INTEGER */
+/*          The length of the array WORK.  LWORK >= max(1,2*N-1). */
+/*          For optimal efficiency, LWORK >= (NB+1)*N, */
+/*          where NB is the blocksize for CHETRD returned by ILAENV. */
+
+/*          If LWORK = -1, then a workspace query is assumed; the routine */
+/*          only calculates the optimal size of the WORK array, returns */
+/*          this value as the first entry of the WORK array, and no error */
+/*          message related to LWORK is issued by XERBLA. */
+
+/*  RWORK   (workspace) REAL array, dimension (max(1, 3*N-2)) */
+
+/*  INFO    (output) INTEGER */
+/*          = 0:  successful exit */
+/*          < 0:  if INFO = -i, the i-th argument had an illegal value */
+/*          > 0:  if INFO = i, the algorithm failed to converge; i */
+/*                off-diagonal elements of an intermediate tridiagonal */
+/*                form did not converge to zero. */
+
+/*  ===================================================================== */
+
+/*     .. Parameters .. */
+/*     .. */
+/*     .. Local Scalars .. */
+/*     .. */
+/*     .. External Functions .. */
+/*     .. */
+/*     .. External Subroutines .. */
+/*     .. */
+/*     .. Intrinsic Functions .. */
+/*     .. */
+/*     .. Executable Statements .. */
+
+/*     Test the input parameters. */
+
+    /* Parameter adjustments */
+    a_dim1 = *lda;
+    a_offset = 1 + a_dim1;
+    a -= a_offset;
+    --w;
+    --work;
+    --rwork;
+
+    /* Function Body */
+    wantz = lsame_(jobz, "V");
+    lower = lsame_(uplo, "L");
+    lquery = *lwork == -1;
+
+    *info = 0;
+    if (! (wantz || lsame_(jobz, "N"))) {
+	*info = -1;
+    } else if (! (lower || lsame_(uplo, "U"))) {
+	*info = -2;
+    } else if (*n < 0) {
+	*info = -3;
+    } else if (*lda < max(1,*n)) {
+	*info = -5;
+    }
+
+    if (*info == 0) {
+	nb = ilaenv_(&c__1, "CHETRD", uplo, n, &c_n1, &c_n1, &c_n1);
+/* Computing MAX */
+	i__1 = 1, i__2 = (nb + 1) * *n;
+	lwkopt = max(i__1,i__2);
+	work[1].r = (real) lwkopt, work[1].i = 0.f;
+
+/* Computing MAX */
+	i__1 = 1, i__2 = (*n << 1) - 1;
+	if (*lwork < max(i__1,i__2) && ! lquery) {
+	    *info = -8;
+	}
+    }
+
+    if (*info != 0) {
+	i__1 = -(*info);
+	xerbla_("CHEEV ", &i__1);
+	return 0;
+    } else if (lquery) {
+	return 0;
+    }
+
+/*     Quick return if possible */
+
+    if (*n == 0) {
+	return 0;
+    }
+
+    if (*n == 1) {
+	i__1 = a_dim1 + 1;
+	w[1] = a[i__1].r;
+	work[1].r = 1.f, work[1].i = 0.f;
+	if (wantz) {
+	    i__1 = a_dim1 + 1;
+	    a[i__1].r = 1.f, a[i__1].i = 0.f;
+	}
+	return 0;
+    }
+
+/*     Get machine constants. */
+
+    safmin = slamch_("Safe minimum");
+    eps = slamch_("Precision");
+    smlnum = safmin / eps;
+    bignum = 1.f / smlnum;
+    rmin = sqrt(smlnum);
+    rmax = sqrt(bignum);
+
+/*     Scale matrix to allowable range, if necessary. */
+
+    anrm = clanhe_("M", uplo, n, &a[a_offset], lda, &rwork[1]);
+    iscale = 0;
+    if (anrm > 0.f && anrm < rmin) {
+	iscale = 1;
+	sigma = rmin / anrm;
+    } else if (anrm > rmax) {
+	iscale = 1;
+	sigma = rmax / anrm;
+    }
+    if (iscale == 1) {
+	clascl_(uplo, &c__0, &c__0, &c_b18, &sigma, n, n, &a[a_offset], lda, 
+		info);
+    }
+
+/*     Call CHETRD to reduce Hermitian matrix to tridiagonal form. */
+
+    inde = 1;
+    indtau = 1;
+    indwrk = indtau + *n;
+    llwork = *lwork - indwrk + 1;
+    chetrd_(uplo, n, &a[a_offset], lda, &w[1], &rwork[inde], &work[indtau], &
+	    work[indwrk], &llwork, &iinfo);
+
+/*     For eigenvalues only, call SSTERF.  For eigenvectors, first call */
+/*     CUNGTR to generate the unitary matrix, then call CSTEQR. */
+
+    if (! wantz) {
+	ssterf_(n, &w[1], &rwork[inde], info);
+    } else {
+	cungtr_(uplo, n, &a[a_offset], lda, &work[indtau], &work[indwrk], &
+		llwork, &iinfo);
+	indwrk = inde + *n;
+	csteqr_(jobz, n, &w[1], &rwork[inde], &a[a_offset], lda, &rwork[
+		indwrk], info);
+    }
+
+/*     If matrix was scaled, then rescale eigenvalues appropriately. */
+
+    if (iscale == 1) {
+	if (*info == 0) {
+	    imax = *n;
+	} else {
+	    imax = *info - 1;
+	}
+	r__1 = 1.f / sigma;
+	sscal_(&imax, &r__1, &w[1], &c__1);
+    }
+
+/*     Set WORK(1) to optimal complex workspace size. */
+
+    work[1].r = (real) lwkopt, work[1].i = 0.f;
+
+    return 0;
+
+/*     End of CHEEV */
+
+} /* cheev_ */