[] add metering mode to CLI

1 files changed, 203 insertions, 0 deletions

diff --git a/contrib/libs/clapack/zhecon.c b/contrib/libs/clapack/zhecon.c
new file mode 100644
index 0000000000..869cdc034b
--- /dev/null
+++ b/contrib/libs/clapack/zhecon.c
@@ -0,0 +1,203 @@
+/* zhecon.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 zhecon_(char *uplo, integer *n, doublecomplex *a, 
+	integer *lda, integer *ipiv, doublereal *anorm, doublereal *rcond, 
+	doublecomplex *work, integer *info)
+{
+    /* System generated locals */
+    integer a_dim1, a_offset, i__1, i__2;
+
+    /* Local variables */
+    integer i__, kase;
+    extern logical lsame_(char *, char *);
+    integer isave[3];
+    logical upper;
+    extern /* Subroutine */ int zlacn2_(integer *, doublecomplex *, 
+	    doublecomplex *, doublereal *, integer *, integer *), xerbla_(
+	    char *, integer *);
+    doublereal ainvnm;
+    extern /* Subroutine */ int zhetrs_(char *, integer *, integer *, 
+	    doublecomplex *, integer *, integer *, doublecomplex *, integer *, 
+	     integer *);
+
+
+/*  -- LAPACK routine (version 3.2) -- */
+/*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
+/*     November 2006 */
+
+/*     Modified to call ZLACN2 in place of ZLACON, 10 Feb 03, SJH. */
+
+/*     .. Scalar Arguments .. */
+/*     .. */
+/*     .. Array Arguments .. */
+/*     .. */
+
+/*  Purpose */
+/*  ======= */
+
+/*  ZHECON estimates the reciprocal of the condition number of a complex */
+/*  Hermitian matrix A using the factorization A = U*D*U**H or */
+/*  A = L*D*L**H computed by ZHETRF. */
+
+/*  An estimate is obtained for norm(inv(A)), and the reciprocal of the */
+/*  condition number is computed as RCOND = 1 / (ANORM * norm(inv(A))). */
+
+/*  Arguments */
+/*  ========= */
+
+/*  UPLO    (input) CHARACTER*1 */
+/*          Specifies whether the details of the factorization are stored */
+/*          as an upper or lower triangular matrix. */
+/*          = 'U':  Upper triangular, form is A = U*D*U**H; */
+/*          = 'L':  Lower triangular, form is A = L*D*L**H. */
+
+/*  N       (input) INTEGER */
+/*          The order of the matrix A.  N >= 0. */
+
+/*  A       (input) COMPLEX*16 array, dimension (LDA,N) */
+/*          The block diagonal matrix D and the multipliers used to */
+/*          obtain the factor U or L as computed by ZHETRF. */
+
+/*  LDA     (input) INTEGER */
+/*          The leading dimension of the array A.  LDA >= max(1,N). */
+
+/*  IPIV    (input) INTEGER array, dimension (N) */
+/*          Details of the interchanges and the block structure of D */
+/*          as determined by ZHETRF. */
+
+/*  ANORM   (input) DOUBLE PRECISION */
+/*          The 1-norm of the original matrix A. */
+
+/*  RCOND   (output) DOUBLE PRECISION */
+/*          The reciprocal of the condition number of the matrix A, */
+/*          computed as RCOND = 1/(ANORM * AINVNM), where AINVNM is an */
+/*          estimate of the 1-norm of inv(A) computed in this routine. */
+
+/*  WORK    (workspace) COMPLEX*16 array, dimension (2*N) */
+
+/*  INFO    (output) INTEGER */
+/*          = 0:  successful exit */
+/*          < 0:  if INFO = -i, the i-th argument had an illegal value */
+
+/*  ===================================================================== */
+
+/*     .. Parameters .. */
+/*     .. */
+/*     .. Local Scalars .. */
+/*     .. */
+/*     .. Local Arrays .. */
+/*     .. */
+/*     .. 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;
+    --ipiv;
+    --work;
+
+    /* Function Body */
+    *info = 0;
+    upper = lsame_(uplo, "U");
+    if (! upper && ! lsame_(uplo, "L")) {
+	*info = -1;
+    } else if (*n < 0) {
+	*info = -2;
+    } else if (*lda < max(1,*n)) {
+	*info = -4;
+    } else if (*anorm < 0.) {
+	*info = -6;
+    }
+    if (*info != 0) {
+	i__1 = -(*info);
+	xerbla_("ZHECON", &i__1);
+	return 0;
+    }
+
+/*     Quick return if possible */
+
+    *rcond = 0.;
+    if (*n == 0) {
+	*rcond = 1.;
+	return 0;
+    } else if (*anorm <= 0.) {
+	return 0;
+    }
+
+/*     Check that the diagonal matrix D is nonsingular. */
+
+    if (upper) {
+
+/*        Upper triangular storage: examine D from bottom to top */
+
+	for (i__ = *n; i__ >= 1; --i__) {
+	    i__1 = i__ + i__ * a_dim1;
+	    if (ipiv[i__] > 0 && (a[i__1].r == 0. && a[i__1].i == 0.)) {
+		return 0;
+	    }
+/* L10: */
+	}
+    } else {
+
+/*        Lower triangular storage: examine D from top to bottom. */
+
+	i__1 = *n;
+	for (i__ = 1; i__ <= i__1; ++i__) {
+	    i__2 = i__ + i__ * a_dim1;
+	    if (ipiv[i__] > 0 && (a[i__2].r == 0. && a[i__2].i == 0.)) {
+		return 0;
+	    }
+/* L20: */
+	}
+    }
+
+/*     Estimate the 1-norm of the inverse. */
+
+    kase = 0;
+L30:
+    zlacn2_(n, &work[*n + 1], &work[1], &ainvnm, &kase, isave);
+    if (kase != 0) {
+
+/*        Multiply by inv(L*D*L') or inv(U*D*U'). */
+
+	zhetrs_(uplo, n, &c__1, &a[a_offset], lda, &ipiv[1], &work[1], n, 
+		info);
+	goto L30;
+    }
+
+/*     Compute the estimate of the reciprocal condition number. */
+
+    if (ainvnm != 0.) {
+	*rcond = 1. / ainvnm / *anorm;
+    }
+
+    return 0;
+
+/*     End of ZHECON */
+
+} /* zhecon_ */