[] add metering mode to CLI

1 files changed, 239 insertions, 0 deletions

diff --git a/contrib/libs/clapack/strcon.c b/contrib/libs/clapack/strcon.c
new file mode 100644
index 0000000000..430ca58618
--- /dev/null
+++ b/contrib/libs/clapack/strcon.c
@@ -0,0 +1,239 @@
+/* strcon.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 strcon_(char *norm, char *uplo, char *diag, integer *n, 
+	real *a, integer *lda, real *rcond, real *work, integer *iwork, 
+	integer *info)
+{
+    /* System generated locals */
+    integer a_dim1, a_offset, i__1;
+    real r__1;
+
+    /* Local variables */
+    integer ix, kase, kase1;
+    real scale;
+    extern logical lsame_(char *, char *);
+    integer isave[3];
+    real anorm;
+    extern /* Subroutine */ int srscl_(integer *, real *, real *, integer *);
+    logical upper;
+    real xnorm;
+    extern /* Subroutine */ int slacn2_(integer *, real *, real *, integer *, 
+	    real *, integer *, integer *);
+    extern doublereal slamch_(char *);
+    extern /* Subroutine */ int xerbla_(char *, integer *);
+    extern integer isamax_(integer *, real *, integer *);
+    real ainvnm;
+    logical onenrm;
+    char normin[1];
+    extern doublereal slantr_(char *, char *, char *, integer *, integer *, 
+	    real *, integer *, real *);
+    extern /* Subroutine */ int slatrs_(char *, char *, char *, char *, 
+	    integer *, real *, integer *, real *, real *, real *, integer *);
+    real smlnum;
+    logical nounit;
+
+
+/*  -- LAPACK routine (version 3.2) -- */
+/*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
+/*     November 2006 */
+
+/*     Modified to call SLACN2 in place of SLACON, 7 Feb 03, SJH. */
+
+/*     .. Scalar Arguments .. */
+/*     .. */
+/*     .. Array Arguments .. */
+/*     .. */
+
+/*  Purpose */
+/*  ======= */
+
+/*  STRCON estimates the reciprocal of the condition number of a */
+/*  triangular matrix A, in either the 1-norm or the infinity-norm. */
+
+/*  The norm of A is computed and an estimate is obtained for */
+/*  norm(inv(A)), then the reciprocal of the condition number is */
+/*  computed as */
+/*     RCOND = 1 / ( norm(A) * norm(inv(A)) ). */
+
+/*  Arguments */
+/*  ========= */
+
+/*  NORM    (input) CHARACTER*1 */
+/*          Specifies whether the 1-norm condition number or the */
+/*          infinity-norm condition number is required: */
+/*          = '1' or 'O':  1-norm; */
+/*          = 'I':         Infinity-norm. */
+
+/*  UPLO    (input) CHARACTER*1 */
+/*          = 'U':  A is upper triangular; */
+/*          = 'L':  A is lower triangular. */
+
+/*  DIAG    (input) CHARACTER*1 */
+/*          = 'N':  A is non-unit triangular; */
+/*          = 'U':  A is unit triangular. */
+
+/*  N       (input) INTEGER */
+/*          The order of the matrix A.  N >= 0. */
+
+/*  A       (input) REAL array, dimension (LDA,N) */
+/*          The triangular matrix A.  If UPLO = 'U', the leading N-by-N */
+/*          upper triangular part of the array A contains the upper */
+/*          triangular matrix, and the strictly lower triangular part of */
+/*          A is not referenced.  If UPLO = 'L', the leading N-by-N lower */
+/*          triangular part of the array A contains the lower triangular */
+/*          matrix, and the strictly upper triangular part of A is not */
+/*          referenced.  If DIAG = 'U', the diagonal elements of A are */
+/*          also not referenced and are assumed to be 1. */
+
+/*  LDA     (input) INTEGER */
+/*          The leading dimension of the array A.  LDA >= max(1,N). */
+
+/*  RCOND   (output) REAL */
+/*          The reciprocal of the condition number of the matrix A, */
+/*          computed as RCOND = 1/(norm(A) * norm(inv(A))). */
+
+/*  WORK    (workspace) REAL array, dimension (3*N) */
+
+/*  IWORK   (workspace) INTEGER array, dimension (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;
+    --work;
+    --iwork;
+
+    /* Function Body */
+    *info = 0;
+    upper = lsame_(uplo, "U");
+    onenrm = *(unsigned char *)norm == '1' || lsame_(norm, "O");
+    nounit = lsame_(diag, "N");
+
+    if (! onenrm && ! lsame_(norm, "I")) {
+	*info = -1;
+    } else if (! upper && ! lsame_(uplo, "L")) {
+	*info = -2;
+    } else if (! nounit && ! lsame_(diag, "U")) {
+	*info = -3;
+    } else if (*n < 0) {
+	*info = -4;
+    } else if (*lda < max(1,*n)) {
+	*info = -6;
+    }
+    if (*info != 0) {
+	i__1 = -(*info);
+	xerbla_("STRCON", &i__1);
+	return 0;
+    }
+
+/*     Quick return if possible */
+
+    if (*n == 0) {
+	*rcond = 1.f;
+	return 0;
+    }
+
+    *rcond = 0.f;
+    smlnum = slamch_("Safe minimum") * (real) max(1,*n);
+
+/*     Compute the norm of the triangular matrix A. */
+
+    anorm = slantr_(norm, uplo, diag, n, n, &a[a_offset], lda, &work[1]);
+
+/*     Continue only if ANORM > 0. */
+
+    if (anorm > 0.f) {
+
+/*        Estimate the norm of the inverse of A. */
+
+	ainvnm = 0.f;
+	*(unsigned char *)normin = 'N';
+	if (onenrm) {
+	    kase1 = 1;
+	} else {
+	    kase1 = 2;
+	}
+	kase = 0;
+L10:
+	slacn2_(n, &work[*n + 1], &work[1], &iwork[1], &ainvnm, &kase, isave);
+	if (kase != 0) {
+	    if (kase == kase1) {
+
+/*              Multiply by inv(A). */
+
+		slatrs_(uplo, "No transpose", diag, normin, n, &a[a_offset], 
+			lda, &work[1], &scale, &work[(*n << 1) + 1], info);
+	    } else {
+
+/*              Multiply by inv(A'). */
+
+		slatrs_(uplo, "Transpose", diag, normin, n, &a[a_offset], lda, 
+			 &work[1], &scale, &work[(*n << 1) + 1], info);
+	    }
+	    *(unsigned char *)normin = 'Y';
+
+/*           Multiply by 1/SCALE if doing so will not cause overflow. */
+
+	    if (scale != 1.f) {
+		ix = isamax_(n, &work[1], &c__1);
+		xnorm = (r__1 = work[ix], dabs(r__1));
+		if (scale < xnorm * smlnum || scale == 0.f) {
+		    goto L20;
+		}
+		srscl_(n, &scale, &work[1], &c__1);
+	    }
+	    goto L10;
+	}
+
+/*        Compute the estimate of the reciprocal condition number. */
+
+	if (ainvnm != 0.f) {
+	    *rcond = 1.f / anorm / ainvnm;
+	}
+    }
+
+L20:
+    return 0;
+
+/*     End of STRCON */
+
+} /* strcon_ */