[] add metering mode to CLI

1 files changed, 285 insertions, 0 deletions

diff --git a/contrib/libs/clapack/dsygv.c b/contrib/libs/clapack/dsygv.c
new file mode 100644
index 0000000000..47a80c695d
--- /dev/null
+++ b/contrib/libs/clapack/dsygv.c
@@ -0,0 +1,285 @@
+/* dsygv.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 doublereal c_b16 = 1.;
+
+/* Subroutine */ int dsygv_(integer *itype, char *jobz, char *uplo, integer *
+	n, doublereal *a, integer *lda, doublereal *b, integer *ldb, 
+	doublereal *w, doublereal *work, integer *lwork, integer *info)
+{
+    /* System generated locals */
+    integer a_dim1, a_offset, b_dim1, b_offset, i__1, i__2;
+
+    /* Local variables */
+    integer nb, neig;
+    extern logical lsame_(char *, char *);
+    extern /* Subroutine */ int dtrmm_(char *, char *, char *, char *, 
+	    integer *, integer *, doublereal *, doublereal *, integer *, 
+	    doublereal *, integer *);
+    char trans[1];
+    extern /* Subroutine */ int dtrsm_(char *, char *, char *, char *, 
+	    integer *, integer *, doublereal *, doublereal *, integer *, 
+	    doublereal *, integer *);
+    logical upper;
+    extern /* Subroutine */ int dsyev_(char *, char *, integer *, doublereal *
+, integer *, doublereal *, doublereal *, integer *, integer *);
+    logical wantz;
+    extern /* Subroutine */ int xerbla_(char *, integer *);
+    extern integer ilaenv_(integer *, char *, char *, integer *, integer *, 
+	    integer *, integer *);
+    extern /* Subroutine */ int dpotrf_(char *, integer *, doublereal *, 
+	    integer *, integer *);
+    integer lwkmin;
+    extern /* Subroutine */ int dsygst_(integer *, char *, integer *, 
+	    doublereal *, integer *, doublereal *, integer *, integer *);
+    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 */
+/*  ======= */
+
+/*  DSYGV computes all the eigenvalues, and optionally, the eigenvectors */
+/*  of a real generalized symmetric-definite eigenproblem, of the form */
+/*  A*x=(lambda)*B*x,  A*Bx=(lambda)*x,  or B*A*x=(lambda)*x. */
+/*  Here A and B are assumed to be symmetric and B is also */
+/*  positive definite. */
+
+/*  Arguments */
+/*  ========= */
+
+/*  ITYPE   (input) INTEGER */
+/*          Specifies the problem type to be solved: */
+/*          = 1:  A*x = (lambda)*B*x */
+/*          = 2:  A*B*x = (lambda)*x */
+/*          = 3:  B*A*x = (lambda)*x */
+
+/*  JOBZ    (input) CHARACTER*1 */
+/*          = 'N':  Compute eigenvalues only; */
+/*          = 'V':  Compute eigenvalues and eigenvectors. */
+
+/*  UPLO    (input) CHARACTER*1 */
+/*          = 'U':  Upper triangles of A and B are stored; */
+/*          = 'L':  Lower triangles of A and B are stored. */
+
+/*  N       (input) INTEGER */
+/*          The order of the matrices A and B.  N >= 0. */
+
+/*  A       (input/output) DOUBLE PRECISION array, dimension (LDA, N) */
+/*          On entry, the symmetric 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 */
+/*          matrix Z of eigenvectors.  The eigenvectors are normalized */
+/*          as follows: */
+/*          if ITYPE = 1 or 2, Z**T*B*Z = I; */
+/*          if ITYPE = 3, Z**T*inv(B)*Z = I. */
+/*          If JOBZ = 'N', then on exit the upper triangle (if UPLO='U') */
+/*          or the lower triangle (if UPLO='L') of A, including the */
+/*          diagonal, is destroyed. */
+
+/*  LDA     (input) INTEGER */
+/*          The leading dimension of the array A.  LDA >= max(1,N). */
+
+/*  B       (input/output) DOUBLE PRECISION array, dimension (LDB, N) */
+/*          On entry, the symmetric positive definite matrix B. */
+/*          If UPLO = 'U', the leading N-by-N upper triangular part of B */
+/*          contains the upper triangular part of the matrix B. */
+/*          If UPLO = 'L', the leading N-by-N lower triangular part of B */
+/*          contains the lower triangular part of the matrix B. */
+
+/*          On exit, if INFO <= N, the part of B containing the matrix is */
+/*          overwritten by the triangular factor U or L from the Cholesky */
+/*          factorization B = U**T*U or B = L*L**T. */
+
+/*  LDB     (input) INTEGER */
+/*          The leading dimension of the array B.  LDB >= max(1,N). */
+
+/*  W       (output) DOUBLE PRECISION array, dimension (N) */
+/*          If INFO = 0, the eigenvalues in ascending order. */
+
+/*  WORK    (workspace/output) DOUBLE PRECISION 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(1,3*N-1). */
+/*          For optimal efficiency, LWORK >= (NB+2)*N, */
+/*          where NB is the blocksize for DSYTRD 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. */
+
+/*  INFO    (output) INTEGER */
+/*          = 0:  successful exit */
+/*          < 0:  if INFO = -i, the i-th argument had an illegal value */
+/*          > 0:  DPOTRF or DSYEV returned an error code: */
+/*             <= N:  if INFO = i, DSYEV failed to converge; */
+/*                    i off-diagonal elements of an intermediate */
+/*                    tridiagonal form did not converge to zero; */
+/*             > N:   if INFO = N + i, for 1 <= i <= N, then the leading */
+/*                    minor of order i of B is not positive definite. */
+/*                    The factorization of B could not be completed and */
+/*                    no eigenvalues or eigenvectors were computed. */
+
+/*  ===================================================================== */
+
+/*     .. 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;
+    b_dim1 = *ldb;
+    b_offset = 1 + b_dim1;
+    b -= b_offset;
+    --w;
+    --work;
+
+    /* Function Body */
+    wantz = lsame_(jobz, "V");
+    upper = lsame_(uplo, "U");
+    lquery = *lwork == -1;
+
+    *info = 0;
+    if (*itype < 1 || *itype > 3) {
+	*info = -1;
+    } else if (! (wantz || lsame_(jobz, "N"))) {
+	*info = -2;
+    } else if (! (upper || lsame_(uplo, "L"))) {
+	*info = -3;
+    } else if (*n < 0) {
+	*info = -4;
+    } else if (*lda < max(1,*n)) {
+	*info = -6;
+    } else if (*ldb < max(1,*n)) {
+	*info = -8;
+    }
+
+    if (*info == 0) {
+/* Computing MAX */
+	i__1 = 1, i__2 = *n * 3 - 1;
+	lwkmin = max(i__1,i__2);
+	nb = ilaenv_(&c__1, "DSYTRD", uplo, n, &c_n1, &c_n1, &c_n1);
+/* Computing MAX */
+	i__1 = lwkmin, i__2 = (nb + 2) * *n;
+	lwkopt = max(i__1,i__2);
+	work[1] = (doublereal) lwkopt;
+
+	if (*lwork < lwkmin && ! lquery) {
+	    *info = -11;
+	}
+    }
+
+    if (*info != 0) {
+	i__1 = -(*info);
+	xerbla_("DSYGV ", &i__1);
+	return 0;
+    } else if (lquery) {
+	return 0;
+    }
+
+/*     Quick return if possible */
+
+    if (*n == 0) {
+	return 0;
+    }
+
+/*     Form a Cholesky factorization of B. */
+
+    dpotrf_(uplo, n, &b[b_offset], ldb, info);
+    if (*info != 0) {
+	*info = *n + *info;
+	return 0;
+    }
+
+/*     Transform problem to standard eigenvalue problem and solve. */
+
+    dsygst_(itype, uplo, n, &a[a_offset], lda, &b[b_offset], ldb, info);
+    dsyev_(jobz, uplo, n, &a[a_offset], lda, &w[1], &work[1], lwork, info);
+
+    if (wantz) {
+
+/*        Backtransform eigenvectors to the original problem. */
+
+	neig = *n;
+	if (*info > 0) {
+	    neig = *info - 1;
+	}
+	if (*itype == 1 || *itype == 2) {
+
+/*           For A*x=(lambda)*B*x and A*B*x=(lambda)*x; */
+/*           backtransform eigenvectors: x = inv(L)'*y or inv(U)*y */
+
+	    if (upper) {
+		*(unsigned char *)trans = 'N';
+	    } else {
+		*(unsigned char *)trans = 'T';
+	    }
+
+	    dtrsm_("Left", uplo, trans, "Non-unit", n, &neig, &c_b16, &b[
+		    b_offset], ldb, &a[a_offset], lda);
+
+	} else if (*itype == 3) {
+
+/*           For B*A*x=(lambda)*x; */
+/*           backtransform eigenvectors: x = L*y or U'*y */
+
+	    if (upper) {
+		*(unsigned char *)trans = 'T';
+	    } else {
+		*(unsigned char *)trans = 'N';
+	    }
+
+	    dtrmm_("Left", uplo, trans, "Non-unit", n, &neig, &c_b16, &b[
+		    b_offset], ldb, &a[a_offset], lda);
+	}
+    }
+
+    work[1] = (doublereal) lwkopt;
+    return 0;
+
+/*     End of DSYGV */
+
+} /* dsygv_ */