[] add metering mode to CLI

1 files changed, 275 insertions, 0 deletions

diff --git a/contrib/libs/clapack/ssptrd.c b/contrib/libs/clapack/ssptrd.c
new file mode 100644
index 0000000000..db5eb88f2a
--- /dev/null
+++ b/contrib/libs/clapack/ssptrd.c
@@ -0,0 +1,275 @@
+/* ssptrd.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 real c_b8 = 0.f;
+static real c_b14 = -1.f;
+
+/* Subroutine */ int ssptrd_(char *uplo, integer *n, real *ap, real *d__, 
+	real *e, real *tau, integer *info)
+{
+    /* System generated locals */
+    integer i__1, i__2;
+
+    /* Local variables */
+    integer i__, i1, ii, i1i1;
+    real taui;
+    extern doublereal sdot_(integer *, real *, integer *, real *, integer *);
+    extern /* Subroutine */ int sspr2_(char *, integer *, real *, real *, 
+	    integer *, real *, integer *, real *);
+    real alpha;
+    extern logical lsame_(char *, char *);
+    logical upper;
+    extern /* Subroutine */ int saxpy_(integer *, real *, real *, integer *, 
+	    real *, integer *), sspmv_(char *, integer *, real *, real *, 
+	    real *, integer *, real *, real *, integer *), xerbla_(
+	    char *, integer *), slarfg_(integer *, real *, real *, 
+	    integer *, real *);
+
+
+/*  -- LAPACK routine (version 3.2) -- */
+/*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
+/*     November 2006 */
+
+/*     .. Scalar Arguments .. */
+/*     .. */
+/*     .. Array Arguments .. */
+/*     .. */
+
+/*  Purpose */
+/*  ======= */
+
+/*  SSPTRD reduces a real symmetric matrix A stored in packed form to */
+/*  symmetric tridiagonal form T by an orthogonal similarity */
+/*  transformation: Q**T * A * Q = T. */
+
+/*  Arguments */
+/*  ========= */
+
+/*  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. */
+
+/*  AP      (input/output) REAL array, dimension (N*(N+1)/2) */
+/*          On entry, the upper or lower triangle of the symmetric matrix */
+/*          A, packed columnwise in a linear array.  The j-th column of A */
+/*          is stored in the array AP as follows: */
+/*          if UPLO = 'U', AP(i + (j-1)*j/2) = A(i,j) for 1<=i<=j; */
+/*          if UPLO = 'L', AP(i + (j-1)*(2*n-j)/2) = A(i,j) for j<=i<=n. */
+/*          On exit, if UPLO = 'U', the diagonal and first superdiagonal */
+/*          of A are overwritten by the corresponding elements of the */
+/*          tridiagonal matrix T, and the elements above the first */
+/*          superdiagonal, with the array TAU, represent the orthogonal */
+/*          matrix Q as a product of elementary reflectors; if UPLO */
+/*          = 'L', the diagonal and first subdiagonal of A are over- */
+/*          written by the corresponding elements of the tridiagonal */
+/*          matrix T, and the elements below the first subdiagonal, with */
+/*          the array TAU, represent the orthogonal matrix Q as a product */
+/*          of elementary reflectors. See Further Details. */
+
+/*  D       (output) REAL array, dimension (N) */
+/*          The diagonal elements of the tridiagonal matrix T: */
+/*          D(i) = A(i,i). */
+
+/*  E       (output) REAL array, dimension (N-1) */
+/*          The off-diagonal elements of the tridiagonal matrix T: */
+/*          E(i) = A(i,i+1) if UPLO = 'U', E(i) = A(i+1,i) if UPLO = 'L'. */
+
+/*  TAU     (output) REAL array, dimension (N-1) */
+/*          The scalar factors of the elementary reflectors (see Further */
+/*          Details). */
+
+/*  INFO    (output) INTEGER */
+/*          = 0:  successful exit */
+/*          < 0:  if INFO = -i, the i-th argument had an illegal value */
+
+/*  Further Details */
+/*  =============== */
+
+/*  If UPLO = 'U', the matrix Q is represented as a product of elementary */
+/*  reflectors */
+
+/*     Q = H(n-1) . . . H(2) H(1). */
+
+/*  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(i+1:n) = 0 and v(i) = 1; v(1:i-1) is stored on exit in AP, */
+/*  overwriting A(1:i-1,i+1), and tau is stored in TAU(i). */
+
+/*  If UPLO = 'L', the matrix Q is represented as a product of elementary */
+/*  reflectors */
+
+/*     Q = H(1) H(2) . . . H(n-1). */
+
+/*  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(1:i) = 0 and v(i+1) = 1; v(i+2:n) is stored on exit in AP, */
+/*  overwriting A(i+2:n,i), and tau is stored in TAU(i). */
+
+/*  ===================================================================== */
+
+/*     .. Parameters .. */
+/*     .. */
+/*     .. Local Scalars .. */
+/*     .. */
+/*     .. External Subroutines .. */
+/*     .. */
+/*     .. External Functions .. */
+/*     .. */
+/*     .. Executable Statements .. */
+
+/*     Test the input parameters */
+
+    /* Parameter adjustments */
+    --tau;
+    --e;
+    --d__;
+    --ap;
+
+    /* Function Body */
+    *info = 0;
+    upper = lsame_(uplo, "U");
+    if (! upper && ! lsame_(uplo, "L")) {
+	*info = -1;
+    } else if (*n < 0) {
+	*info = -2;
+    }
+    if (*info != 0) {
+	i__1 = -(*info);
+	xerbla_("SSPTRD", &i__1);
+	return 0;
+    }
+
+/*     Quick return if possible */
+
+    if (*n <= 0) {
+	return 0;
+    }
+
+    if (upper) {
+
+/*        Reduce the upper triangle of A. */
+/*        I1 is the index in AP of A(1,I+1). */
+
+	i1 = *n * (*n - 1) / 2 + 1;
+	for (i__ = *n - 1; i__ >= 1; --i__) {
+
+/*           Generate elementary reflector H(i) = I - tau * v * v' */
+/*           to annihilate A(1:i-1,i+1) */
+
+	    slarfg_(&i__, &ap[i1 + i__ - 1], &ap[i1], &c__1, &taui);
+	    e[i__] = ap[i1 + i__ - 1];
+
+	    if (taui != 0.f) {
+
+/*              Apply H(i) from both sides to A(1:i,1:i) */
+
+		ap[i1 + i__ - 1] = 1.f;
+
+/*              Compute  y := tau * A * v  storing y in TAU(1:i) */
+
+		sspmv_(uplo, &i__, &taui, &ap[1], &ap[i1], &c__1, &c_b8, &tau[
+			1], &c__1);
+
+/*              Compute  w := y - 1/2 * tau * (y'*v) * v */
+
+		alpha = taui * -.5f * sdot_(&i__, &tau[1], &c__1, &ap[i1], &
+			c__1);
+		saxpy_(&i__, &alpha, &ap[i1], &c__1, &tau[1], &c__1);
+
+/*              Apply the transformation as a rank-2 update: */
+/*                 A := A - v * w' - w * v' */
+
+		sspr2_(uplo, &i__, &c_b14, &ap[i1], &c__1, &tau[1], &c__1, &
+			ap[1]);
+
+		ap[i1 + i__ - 1] = e[i__];
+	    }
+	    d__[i__ + 1] = ap[i1 + i__];
+	    tau[i__] = taui;
+	    i1 -= i__;
+/* L10: */
+	}
+	d__[1] = ap[1];
+    } else {
+
+/*        Reduce the lower triangle of A. II is the index in AP of */
+/*        A(i,i) and I1I1 is the index of A(i+1,i+1). */
+
+	ii = 1;
+	i__1 = *n - 1;
+	for (i__ = 1; i__ <= i__1; ++i__) {
+	    i1i1 = ii + *n - i__ + 1;
+
+/*           Generate elementary reflector H(i) = I - tau * v * v' */
+/*           to annihilate A(i+2:n,i) */
+
+	    i__2 = *n - i__;
+	    slarfg_(&i__2, &ap[ii + 1], &ap[ii + 2], &c__1, &taui);
+	    e[i__] = ap[ii + 1];
+
+	    if (taui != 0.f) {
+
+/*              Apply H(i) from both sides to A(i+1:n,i+1:n) */
+
+		ap[ii + 1] = 1.f;
+
+/*              Compute  y := tau * A * v  storing y in TAU(i:n-1) */
+
+		i__2 = *n - i__;
+		sspmv_(uplo, &i__2, &taui, &ap[i1i1], &ap[ii + 1], &c__1, &
+			c_b8, &tau[i__], &c__1);
+
+/*              Compute  w := y - 1/2 * tau * (y'*v) * v */
+
+		i__2 = *n - i__;
+		alpha = taui * -.5f * sdot_(&i__2, &tau[i__], &c__1, &ap[ii + 
+			1], &c__1);
+		i__2 = *n - i__;
+		saxpy_(&i__2, &alpha, &ap[ii + 1], &c__1, &tau[i__], &c__1);
+
+/*              Apply the transformation as a rank-2 update: */
+/*                 A := A - v * w' - w * v' */
+
+		i__2 = *n - i__;
+		sspr2_(uplo, &i__2, &c_b14, &ap[ii + 1], &c__1, &tau[i__], &
+			c__1, &ap[i1i1]);
+
+		ap[ii + 1] = e[i__];
+	    }
+	    d__[i__] = ap[ii];
+	    tau[i__] = taui;
+	    ii = i1i1;
+/* L20: */
+	}
+	d__[*n] = ap[ii];
+    }
+
+    return 0;
+
+/*     End of SSPTRD */
+
+} /* ssptrd_ */