[] add metering mode to CLI

1 files changed, 249 insertions, 0 deletions

diff --git a/contrib/libs/clapack/chpev.c b/contrib/libs/clapack/chpev.c
new file mode 100644
index 0000000000..12442c0706
--- /dev/null
+++ b/contrib/libs/clapack/chpev.c
@@ -0,0 +1,249 @@
+/* chpev.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;
+
+/* Subroutine */ int chpev_(char *jobz, char *uplo, integer *n, complex *ap, 
+	real *w, complex *z__, integer *ldz, complex *work, real *rwork, 
+	integer *info)
+{
+    /* System generated locals */
+    integer z_dim1, z_offset, i__1;
+    real r__1;
+
+    /* Builtin functions */
+    double sqrt(doublereal);
+
+    /* Local variables */
+    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 wantz;
+    integer iscale;
+    extern doublereal clanhp_(char *, char *, integer *, complex *, real *), slamch_(char *);
+    extern /* Subroutine */ int csscal_(integer *, real *, complex *, integer 
+	    *);
+    real safmin;
+    extern /* Subroutine */ int xerbla_(char *, integer *);
+    real bignum;
+    integer indtau;
+    extern /* Subroutine */ int chptrd_(char *, integer *, complex *, real *, 
+	    real *, complex *, integer *);
+    integer indrwk, indwrk;
+    extern /* Subroutine */ int csteqr_(char *, integer *, real *, real *, 
+	    complex *, integer *, real *, integer *), cupgtr_(char *, 
+	    integer *, complex *, complex *, complex *, integer *, complex *, 
+	    integer *), ssterf_(integer *, real *, real *, integer *);
+    real smlnum;
+
+
+/*  -- LAPACK driver routine (version 3.2) -- */
+/*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
+/*     November 2006 */
+
+/*     .. Scalar Arguments .. */
+/*     .. */
+/*     .. Array Arguments .. */
+/*     .. */
+
+/*  Purpose */
+/*  ======= */
+
+/*  CHPEV computes all the eigenvalues and, optionally, eigenvectors of a */
+/*  complex Hermitian matrix in packed storage. */
+
+/*  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. */
+
+/*  AP      (input/output) COMPLEX array, dimension (N*(N+1)/2) */
+/*          On entry, the upper or lower triangle of the Hermitian matrix */
+/*          A, packed columnwise in a linear array.  The j-th column of A */
+/*          is stored in the array AP as follows: */
+/*          if UPLO = 'U', AP(i + (j-1)*j/2) = A(i,j) for 1<=i<=j; */
+/*          if UPLO = 'L', AP(i + (j-1)*(2*n-j)/2) = A(i,j) for j<=i<=n. */
+
+/*          On exit, AP is overwritten by values generated during the */
+/*          reduction to tridiagonal form.  If UPLO = 'U', the diagonal */
+/*          and first superdiagonal of the tridiagonal matrix T overwrite */
+/*          the corresponding elements of A, and if UPLO = 'L', the */
+/*          diagonal and first subdiagonal of T overwrite the */
+/*          corresponding elements of A. */
+
+/*  W       (output) REAL array, dimension (N) */
+/*          If INFO = 0, the eigenvalues in ascending order. */
+
+/*  Z       (output) COMPLEX array, dimension (LDZ, N) */
+/*          If JOBZ = 'V', then if INFO = 0, Z contains the orthonormal */
+/*          eigenvectors of the matrix A, with the i-th column of Z */
+/*          holding the eigenvector associated with W(i). */
+/*          If JOBZ = 'N', then Z is not referenced. */
+
+/*  LDZ     (input) INTEGER */
+/*          The leading dimension of the array Z.  LDZ >= 1, and if */
+/*          JOBZ = 'V', LDZ >= max(1,N). */
+
+/*  WORK    (workspace) COMPLEX array, dimension (max(1, 2*N-1)) */
+
+/*  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 */
+    --ap;
+    --w;
+    z_dim1 = *ldz;
+    z_offset = 1 + z_dim1;
+    z__ -= z_offset;
+    --work;
+    --rwork;
+
+    /* Function Body */
+    wantz = lsame_(jobz, "V");
+
+    *info = 0;
+    if (! (wantz || lsame_(jobz, "N"))) {
+	*info = -1;
+    } else if (! (lsame_(uplo, "L") || lsame_(uplo, 
+	    "U"))) {
+	*info = -2;
+    } else if (*n < 0) {
+	*info = -3;
+    } else if (*ldz < 1 || wantz && *ldz < *n) {
+	*info = -7;
+    }
+
+    if (*info != 0) {
+	i__1 = -(*info);
+	xerbla_("CHPEV ", &i__1);
+	return 0;
+    }
+
+/*     Quick return if possible */
+
+    if (*n == 0) {
+	return 0;
+    }
+
+    if (*n == 1) {
+	w[1] = ap[1].r;
+	rwork[1] = 1.f;
+	if (wantz) {
+	    i__1 = z_dim1 + 1;
+	    z__[i__1].r = 1.f, z__[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 = clanhp_("M", uplo, n, &ap[1], &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) {
+	i__1 = *n * (*n + 1) / 2;
+	csscal_(&i__1, &sigma, &ap[1], &c__1);
+    }
+
+/*     Call CHPTRD to reduce Hermitian packed matrix to tridiagonal form. */
+
+    inde = 1;
+    indtau = 1;
+    chptrd_(uplo, n, &ap[1], &w[1], &rwork[inde], &work[indtau], &iinfo);
+
+/*     For eigenvalues only, call SSTERF.  For eigenvectors, first call */
+/*     CUPGTR to generate the orthogonal matrix, then call CSTEQR. */
+
+    if (! wantz) {
+	ssterf_(n, &w[1], &rwork[inde], info);
+    } else {
+	indwrk = indtau + *n;
+	cupgtr_(uplo, n, &ap[1], &work[indtau], &z__[z_offset], ldz, &work[
+		indwrk], &iinfo);
+	indrwk = inde + *n;
+	csteqr_(jobz, n, &w[1], &rwork[inde], &z__[z_offset], ldz, &rwork[
+		indrwk], 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);
+    }
+
+    return 0;
+
+/*     End of CHPEV */
+
+} /* chpev_ */