[] add metering mode to CLI

1 files changed, 270 insertions, 0 deletions

diff --git a/contrib/libs/clapack/chbev.c b/contrib/libs/clapack/chbev.c
new file mode 100644
index 0000000000..45c3ef8db9
--- /dev/null
+++ b/contrib/libs/clapack/chbev.c
@@ -0,0 +1,270 @@
+/* chbev.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 real c_b11 = 1.f;
+static integer c__1 = 1;
+
+/* Subroutine */ int chbev_(char *jobz, char *uplo, integer *n, integer *kd, 
+	complex *ab, integer *ldab, real *w, complex *z__, integer *ldz, 
+	complex *work, real *rwork, integer *info)
+{
+    /* System generated locals */
+    integer ab_dim1, ab_offset, 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 lower, wantz;
+    extern doublereal clanhb_(char *, char *, integer *, integer *, complex *, 
+	     integer *, real *);
+    integer iscale;
+    extern /* Subroutine */ int clascl_(char *, integer *, integer *, real *, 
+	    real *, integer *, integer *, complex *, integer *, integer *), chbtrd_(char *, char *, integer *, integer *, complex *, 
+	    integer *, real *, real *, complex *, integer *, complex *, 
+	    integer *);
+    extern doublereal slamch_(char *);
+    real safmin;
+    extern /* Subroutine */ int xerbla_(char *, integer *);
+    real bignum;
+    integer indrwk;
+    extern /* Subroutine */ int csteqr_(char *, integer *, real *, real *, 
+	    complex *, integer *, real *, 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 */
+/*  ======= */
+
+/*  CHBEV computes all the eigenvalues and, optionally, eigenvectors of */
+/*  a complex Hermitian band 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. */
+
+/*  KD      (input) INTEGER */
+/*          The number of superdiagonals of the matrix A if UPLO = 'U', */
+/*          or the number of subdiagonals if UPLO = 'L'.  KD >= 0. */
+
+/*  AB      (input/output) COMPLEX array, dimension (LDAB, N) */
+/*          On entry, the upper or lower triangle of the Hermitian band */
+/*          matrix A, stored in the first KD+1 rows of the array.  The */
+/*          j-th column of A is stored in the j-th column of the array AB */
+/*          as follows: */
+/*          if UPLO = 'U', AB(kd+1+i-j,j) = A(i,j) for max(1,j-kd)<=i<=j; */
+/*          if UPLO = 'L', AB(1+i-j,j)    = A(i,j) for j<=i<=min(n,j+kd). */
+
+/*          On exit, AB is overwritten by values generated during the */
+/*          reduction to tridiagonal form.  If UPLO = 'U', the first */
+/*          superdiagonal and the diagonal of the tridiagonal matrix T */
+/*          are returned in rows KD and KD+1 of AB, and if UPLO = 'L', */
+/*          the diagonal and first subdiagonal of T are returned in the */
+/*          first two rows of AB. */
+
+/*  LDAB    (input) INTEGER */
+/*          The leading dimension of the array AB.  LDAB >= KD + 1. */
+
+/*  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 (N) */
+
+/*  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 */
+    ab_dim1 = *ldab;
+    ab_offset = 1 + ab_dim1;
+    ab -= ab_offset;
+    --w;
+    z_dim1 = *ldz;
+    z_offset = 1 + z_dim1;
+    z__ -= z_offset;
+    --work;
+    --rwork;
+
+    /* Function Body */
+    wantz = lsame_(jobz, "V");
+    lower = lsame_(uplo, "L");
+
+    *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 (*kd < 0) {
+	*info = -4;
+    } else if (*ldab < *kd + 1) {
+	*info = -6;
+    } else if (*ldz < 1 || wantz && *ldz < *n) {
+	*info = -9;
+    }
+
+    if (*info != 0) {
+	i__1 = -(*info);
+	xerbla_("CHBEV ", &i__1);
+	return 0;
+    }
+
+/*     Quick return if possible */
+
+    if (*n == 0) {
+	return 0;
+    }
+
+    if (*n == 1) {
+	if (lower) {
+	    i__1 = ab_dim1 + 1;
+	    w[1] = ab[i__1].r;
+	} else {
+	    i__1 = *kd + 1 + ab_dim1;
+	    w[1] = ab[i__1].r;
+	}
+	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 = clanhb_("M", uplo, n, kd, &ab[ab_offset], ldab, &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) {
+	if (lower) {
+	    clascl_("B", kd, kd, &c_b11, &sigma, n, n, &ab[ab_offset], ldab, 
+		    info);
+	} else {
+	    clascl_("Q", kd, kd, &c_b11, &sigma, n, n, &ab[ab_offset], ldab, 
+		    info);
+	}
+    }
+
+/*     Call CHBTRD to reduce Hermitian band matrix to tridiagonal form. */
+
+    inde = 1;
+    chbtrd_(jobz, uplo, n, kd, &ab[ab_offset], ldab, &w[1], &rwork[inde], &
+	    z__[z_offset], ldz, &work[1], &iinfo);
+
+/*     For eigenvalues only, call SSTERF.  For eigenvectors, call CSTEQR. */
+
+    if (! wantz) {
+	ssterf_(n, &w[1], &rwork[inde], info);
+    } else {
+	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 CHBEV */
+
+} /* chbev_ */