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authorshmel1k <shmel1k@ydb.tech>2022-09-02 12:44:59 +0300
committershmel1k <shmel1k@ydb.tech>2022-09-02 12:44:59 +0300
commit90d450f74722da7859d6f510a869f6c6908fd12f (patch)
tree538c718dedc76cdfe37ad6d01ff250dd930d9278 /contrib/libs/clapack/sopmtr.c
parent01f64c1ecd0d4ffa9e3a74478335f1745f26cc75 (diff)
downloadydb-90d450f74722da7859d6f510a869f6c6908fd12f.tar.gz
[] add metering mode to CLI
Diffstat (limited to 'contrib/libs/clapack/sopmtr.c')
-rw-r--r--contrib/libs/clapack/sopmtr.c295
1 files changed, 295 insertions, 0 deletions
diff --git a/contrib/libs/clapack/sopmtr.c b/contrib/libs/clapack/sopmtr.c
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+++ b/contrib/libs/clapack/sopmtr.c
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+/* sopmtr.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 sopmtr_(char *side, char *uplo, char *trans, integer *m,
+ integer *n, real *ap, real *tau, real *c__, integer *ldc, real *work,
+ integer *info)
+{
+ /* System generated locals */
+ integer c_dim1, c_offset, i__1, i__2;
+
+ /* Local variables */
+ integer i__, i1, i2, i3, ic, jc, ii, mi, ni, nq;
+ real aii;
+ logical left;
+ extern logical lsame_(char *, char *);
+ extern /* Subroutine */ int slarf_(char *, integer *, integer *, real *,
+ integer *, real *, real *, integer *, real *);
+ logical upper;
+ extern /* Subroutine */ int xerbla_(char *, integer *);
+ logical notran, forwrd;
+
+
+/* -- LAPACK routine (version 3.2) -- */
+/* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
+/* November 2006 */
+
+/* .. Scalar Arguments .. */
+/* .. */
+/* .. Array Arguments .. */
+/* .. */
+
+/* Purpose */
+/* ======= */
+
+/* SOPMTR overwrites the general real M-by-N matrix C with */
+
+/* SIDE = 'L' SIDE = 'R' */
+/* TRANS = 'N': Q * C C * Q */
+/* TRANS = 'T': Q**T * C C * Q**T */
+
+/* where Q is a real orthogonal matrix of order nq, with nq = m if */
+/* SIDE = 'L' and nq = n if SIDE = 'R'. Q is defined as the product of */
+/* nq-1 elementary reflectors, as returned by SSPTRD using packed */
+/* storage: */
+
+/* if UPLO = 'U', Q = H(nq-1) . . . H(2) H(1); */
+
+/* if UPLO = 'L', Q = H(1) H(2) . . . H(nq-1). */
+
+/* Arguments */
+/* ========= */
+
+/* SIDE (input) CHARACTER*1 */
+/* = 'L': apply Q or Q**T from the Left; */
+/* = 'R': apply Q or Q**T from the Right. */
+
+/* UPLO (input) CHARACTER*1 */
+/* = 'U': Upper triangular packed storage used in previous */
+/* call to SSPTRD; */
+/* = 'L': Lower triangular packed storage used in previous */
+/* call to SSPTRD. */
+
+/* TRANS (input) CHARACTER*1 */
+/* = 'N': No transpose, apply Q; */
+/* = 'T': Transpose, apply Q**T. */
+
+/* M (input) INTEGER */
+/* The number of rows of the matrix C. M >= 0. */
+
+/* N (input) INTEGER */
+/* The number of columns of the matrix C. N >= 0. */
+
+/* AP (input) REAL array, dimension */
+/* (M*(M+1)/2) if SIDE = 'L' */
+/* (N*(N+1)/2) if SIDE = 'R' */
+/* The vectors which define the elementary reflectors, as */
+/* returned by SSPTRD. AP is modified by the routine but */
+/* restored on exit. */
+
+/* TAU (input) REAL array, dimension (M-1) if SIDE = 'L' */
+/* or (N-1) if SIDE = 'R' */
+/* TAU(i) must contain the scalar factor of the elementary */
+/* reflector H(i), as returned by SSPTRD. */
+
+/* C (input/output) REAL array, dimension (LDC,N) */
+/* On entry, the M-by-N matrix C. */
+/* On exit, C is overwritten by Q*C or Q**T*C or C*Q**T or C*Q. */
+
+/* LDC (input) INTEGER */
+/* The leading dimension of the array C. LDC >= max(1,M). */
+
+/* WORK (workspace) REAL array, dimension */
+/* (N) if SIDE = 'L' */
+/* (M) if SIDE = 'R' */
+
+/* INFO (output) INTEGER */
+/* = 0: successful exit */
+/* < 0: if INFO = -i, the i-th argument had an illegal value */
+
+/* ===================================================================== */
+
+/* .. Parameters .. */
+/* .. */
+/* .. Local Scalars .. */
+/* .. */
+/* .. External Functions .. */
+/* .. */
+/* .. External Subroutines .. */
+/* .. */
+/* .. Intrinsic Functions .. */
+/* .. */
+/* .. Executable Statements .. */
+
+/* Test the input arguments */
+
+ /* Parameter adjustments */
+ --ap;
+ --tau;
+ c_dim1 = *ldc;
+ c_offset = 1 + c_dim1;
+ c__ -= c_offset;
+ --work;
+
+ /* Function Body */
+ *info = 0;
+ left = lsame_(side, "L");
+ notran = lsame_(trans, "N");
+ upper = lsame_(uplo, "U");
+
+/* NQ is the order of Q */
+
+ if (left) {
+ nq = *m;
+ } else {
+ nq = *n;
+ }
+ if (! left && ! lsame_(side, "R")) {
+ *info = -1;
+ } else if (! upper && ! lsame_(uplo, "L")) {
+ *info = -2;
+ } else if (! notran && ! lsame_(trans, "T")) {
+ *info = -3;
+ } else if (*m < 0) {
+ *info = -4;
+ } else if (*n < 0) {
+ *info = -5;
+ } else if (*ldc < max(1,*m)) {
+ *info = -9;
+ }
+ if (*info != 0) {
+ i__1 = -(*info);
+ xerbla_("SOPMTR", &i__1);
+ return 0;
+ }
+
+/* Quick return if possible */
+
+ if (*m == 0 || *n == 0) {
+ return 0;
+ }
+
+ if (upper) {
+
+/* Q was determined by a call to SSPTRD with UPLO = 'U' */
+
+ forwrd = left && notran || ! left && ! notran;
+
+ if (forwrd) {
+ i1 = 1;
+ i2 = nq - 1;
+ i3 = 1;
+ ii = 2;
+ } else {
+ i1 = nq - 1;
+ i2 = 1;
+ i3 = -1;
+ ii = nq * (nq + 1) / 2 - 1;
+ }
+
+ if (left) {
+ ni = *n;
+ } else {
+ mi = *m;
+ }
+
+ i__1 = i2;
+ i__2 = i3;
+ for (i__ = i1; i__2 < 0 ? i__ >= i__1 : i__ <= i__1; i__ += i__2) {
+ if (left) {
+
+/* H(i) is applied to C(1:i,1:n) */
+
+ mi = i__;
+ } else {
+
+/* H(i) is applied to C(1:m,1:i) */
+
+ ni = i__;
+ }
+
+/* Apply H(i) */
+
+ aii = ap[ii];
+ ap[ii] = 1.f;
+ slarf_(side, &mi, &ni, &ap[ii - i__ + 1], &c__1, &tau[i__], &c__[
+ c_offset], ldc, &work[1]);
+ ap[ii] = aii;
+
+ if (forwrd) {
+ ii = ii + i__ + 2;
+ } else {
+ ii = ii - i__ - 1;
+ }
+/* L10: */
+ }
+ } else {
+
+/* Q was determined by a call to SSPTRD with UPLO = 'L'. */
+
+ forwrd = left && ! notran || ! left && notran;
+
+ if (forwrd) {
+ i1 = 1;
+ i2 = nq - 1;
+ i3 = 1;
+ ii = 2;
+ } else {
+ i1 = nq - 1;
+ i2 = 1;
+ i3 = -1;
+ ii = nq * (nq + 1) / 2 - 1;
+ }
+
+ if (left) {
+ ni = *n;
+ jc = 1;
+ } else {
+ mi = *m;
+ ic = 1;
+ }
+
+ i__2 = i2;
+ i__1 = i3;
+ for (i__ = i1; i__1 < 0 ? i__ >= i__2 : i__ <= i__2; i__ += i__1) {
+ aii = ap[ii];
+ ap[ii] = 1.f;
+ if (left) {
+
+/* H(i) is applied to C(i+1:m,1:n) */
+
+ mi = *m - i__;
+ ic = i__ + 1;
+ } else {
+
+/* H(i) is applied to C(1:m,i+1:n) */
+
+ ni = *n - i__;
+ jc = i__ + 1;
+ }
+
+/* Apply H(i) */
+
+ slarf_(side, &mi, &ni, &ap[ii], &c__1, &tau[i__], &c__[ic + jc *
+ c_dim1], ldc, &work[1]);
+ ap[ii] = aii;
+
+ if (forwrd) {
+ ii = ii + nq - i__ + 1;
+ } else {
+ ii = ii - nq + i__ - 2;
+ }
+/* L20: */
+ }
+ }
+ return 0;
+
+/* End of SOPMTR */
+
+} /* sopmtr_ */