[] add metering mode to CLI

1 files changed, 270 insertions, 0 deletions

diff --git a/contrib/libs/clapack/dgeqlf.c b/contrib/libs/clapack/dgeqlf.c
new file mode 100644
index 0000000000..0b9779554d
--- /dev/null
+++ b/contrib/libs/clapack/dgeqlf.c
@@ -0,0 +1,270 @@
+/* dgeqlf.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 integer c__3 = 3;
+static integer c__2 = 2;
+
+/* Subroutine */ int dgeqlf_(integer *m, integer *n, doublereal *a, integer *
+	lda, doublereal *tau, doublereal *work, integer *lwork, integer *info)
+{
+    /* System generated locals */
+    integer a_dim1, a_offset, i__1, i__2, i__3, i__4;
+
+    /* Local variables */
+    integer i__, k, ib, nb, ki, kk, mu, nu, nx, iws, nbmin, iinfo;
+    extern /* Subroutine */ int dgeql2_(integer *, integer *, doublereal *, 
+	    integer *, doublereal *, doublereal *, integer *), dlarfb_(char *, 
+	     char *, char *, char *, integer *, integer *, integer *, 
+	    doublereal *, integer *, doublereal *, integer *, doublereal *, 
+	    integer *, doublereal *, integer *), dlarft_(char *, char *, integer *, integer *, doublereal 
+	    *, integer *, doublereal *, doublereal *, integer *), xerbla_(char *, integer *);
+    extern integer ilaenv_(integer *, char *, char *, integer *, integer *, 
+	    integer *, integer *);
+    integer ldwork, lwkopt;
+    logical lquery;
+
+
+/*  -- LAPACK routine (version 3.2) -- */
+/*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
+/*     November 2006 */
+
+/*     .. Scalar Arguments .. */
+/*     .. */
+/*     .. Array Arguments .. */
+/*     .. */
+
+/*  Purpose */
+/*  ======= */
+
+/*  DGEQLF computes a QL factorization of a real M-by-N matrix A: */
+/*  A = Q * L. */
+
+/*  Arguments */
+/*  ========= */
+
+/*  M       (input) INTEGER */
+/*          The number of rows of the matrix A.  M >= 0. */
+
+/*  N       (input) INTEGER */
+/*          The number of columns of the matrix A.  N >= 0. */
+
+/*  A       (input/output) DOUBLE PRECISION array, dimension (LDA,N) */
+/*          On entry, the M-by-N matrix A. */
+/*          On exit, */
+/*          if m >= n, the lower triangle of the subarray */
+/*          A(m-n+1:m,1:n) contains the N-by-N lower triangular matrix L; */
+/*          if m <= n, the elements on and below the (n-m)-th */
+/*          superdiagonal contain the M-by-N lower trapezoidal matrix L; */
+/*          the remaining elements, with the array TAU, represent the */
+/*          orthogonal matrix Q as a product of elementary reflectors */
+/*          (see Further Details). */
+
+/*  LDA     (input) INTEGER */
+/*          The leading dimension of the array A.  LDA >= max(1,M). */
+
+/*  TAU     (output) DOUBLE PRECISION array, dimension (min(M,N)) */
+/*          The scalar factors of the elementary reflectors (see Further */
+/*          Details). */
+
+/*  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 dimension of the array WORK.  LWORK >= max(1,N). */
+/*          For optimum performance LWORK >= N*NB, where NB is the */
+/*          optimal blocksize. */
+
+/*          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 */
+
+/*  Further Details */
+/*  =============== */
+
+/*  The matrix Q is represented as a product of elementary reflectors */
+
+/*     Q = H(k) . . . H(2) H(1), where k = min(m,n). */
+
+/*  Each H(i) has the form */
+
+/*     H(i) = I - tau * v * v' */
+
+/*  where tau is a real scalar, and v is a real vector with */
+/*  v(m-k+i+1:m) = 0 and v(m-k+i) = 1; v(1:m-k+i-1) is stored on exit in */
+/*  A(1:m-k+i-1,n-k+i), and tau in TAU(i). */
+
+/*  ===================================================================== */
+
+/*     .. Local Scalars .. */
+/*     .. */
+/*     .. External Subroutines .. */
+/*     .. */
+/*     .. Intrinsic Functions .. */
+/*     .. */
+/*     .. External Functions .. */
+/*     .. */
+/*     .. Executable Statements .. */
+
+/*     Test the input arguments */
+
+    /* Parameter adjustments */
+    a_dim1 = *lda;
+    a_offset = 1 + a_dim1;
+    a -= a_offset;
+    --tau;
+    --work;
+
+    /* Function Body */
+    *info = 0;
+    lquery = *lwork == -1;
+    if (*m < 0) {
+	*info = -1;
+    } else if (*n < 0) {
+	*info = -2;
+    } else if (*lda < max(1,*m)) {
+	*info = -4;
+    }
+
+    if (*info == 0) {
+	k = min(*m,*n);
+	if (k == 0) {
+	    lwkopt = 1;
+	} else {
+	    nb = ilaenv_(&c__1, "DGEQLF", " ", m, n, &c_n1, &c_n1);
+	    lwkopt = *n * nb;
+	}
+	work[1] = (doublereal) lwkopt;
+
+	if (*lwork < max(1,*n) && ! lquery) {
+	    *info = -7;
+	}
+    }
+
+    if (*info != 0) {
+	i__1 = -(*info);
+	xerbla_("DGEQLF", &i__1);
+	return 0;
+    } else if (lquery) {
+	return 0;
+    }
+
+/*     Quick return if possible */
+
+    if (k == 0) {
+	return 0;
+    }
+
+    nbmin = 2;
+    nx = 1;
+    iws = *n;
+    if (nb > 1 && nb < k) {
+
+/*        Determine when to cross over from blocked to unblocked code. */
+
+/* Computing MAX */
+	i__1 = 0, i__2 = ilaenv_(&c__3, "DGEQLF", " ", m, n, &c_n1, &c_n1);
+	nx = max(i__1,i__2);
+	if (nx < k) {
+
+/*           Determine if workspace is large enough for blocked code. */
+
+	    ldwork = *n;
+	    iws = ldwork * nb;
+	    if (*lwork < iws) {
+
+/*              Not enough workspace to use optimal NB:  reduce NB and */
+/*              determine the minimum value of NB. */
+
+		nb = *lwork / ldwork;
+/* Computing MAX */
+		i__1 = 2, i__2 = ilaenv_(&c__2, "DGEQLF", " ", m, n, &c_n1, &
+			c_n1);
+		nbmin = max(i__1,i__2);
+	    }
+	}
+    }
+
+    if (nb >= nbmin && nb < k && nx < k) {
+
+/*        Use blocked code initially. */
+/*        The last kk columns are handled by the block method. */
+
+	ki = (k - nx - 1) / nb * nb;
+/* Computing MIN */
+	i__1 = k, i__2 = ki + nb;
+	kk = min(i__1,i__2);
+
+	i__1 = k - kk + 1;
+	i__2 = -nb;
+	for (i__ = k - kk + ki + 1; i__2 < 0 ? i__ >= i__1 : i__ <= i__1; i__ 
+		+= i__2) {
+/* Computing MIN */
+	    i__3 = k - i__ + 1;
+	    ib = min(i__3,nb);
+
+/*           Compute the QL factorization of the current block */
+/*           A(1:m-k+i+ib-1,n-k+i:n-k+i+ib-1) */
+
+	    i__3 = *m - k + i__ + ib - 1;
+	    dgeql2_(&i__3, &ib, &a[(*n - k + i__) * a_dim1 + 1], lda, &tau[
+		    i__], &work[1], &iinfo);
+	    if (*n - k + i__ > 1) {
+
+/*              Form the triangular factor of the block reflector */
+/*              H = H(i+ib-1) . . . H(i+1) H(i) */
+
+		i__3 = *m - k + i__ + ib - 1;
+		dlarft_("Backward", "Columnwise", &i__3, &ib, &a[(*n - k + 
+			i__) * a_dim1 + 1], lda, &tau[i__], &work[1], &ldwork);
+
+/*              Apply H' to A(1:m-k+i+ib-1,1:n-k+i-1) from the left */
+
+		i__3 = *m - k + i__ + ib - 1;
+		i__4 = *n - k + i__ - 1;
+		dlarfb_("Left", "Transpose", "Backward", "Columnwise", &i__3, 
+			&i__4, &ib, &a[(*n - k + i__) * a_dim1 + 1], lda, &
+			work[1], &ldwork, &a[a_offset], lda, &work[ib + 1], &
+			ldwork);
+	    }
+/* L10: */
+	}
+	mu = *m - k + i__ + nb - 1;
+	nu = *n - k + i__ + nb - 1;
+    } else {
+	mu = *m;
+	nu = *n;
+    }
+
+/*     Use unblocked code to factor the last or only block */
+
+    if (mu > 0 && nu > 0) {
+	dgeql2_(&mu, &nu, &a[a_offset], lda, &tau[1], &work[1], &iinfo);
+    }
+
+    work[1] = (doublereal) iws;
+    return 0;
+
+/*     End of DGEQLF */
+
+} /* dgeqlf_ */