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author | shmel1k <shmel1k@ydb.tech> | 2022-09-02 12:44:59 +0300 |
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committer | shmel1k <shmel1k@ydb.tech> | 2022-09-02 12:44:59 +0300 |
commit | 90d450f74722da7859d6f510a869f6c6908fd12f (patch) | |
tree | 538c718dedc76cdfe37ad6d01ff250dd930d9278 /contrib/libs/clapack/zlarcm.c | |
parent | 01f64c1ecd0d4ffa9e3a74478335f1745f26cc75 (diff) | |
download | ydb-90d450f74722da7859d6f510a869f6c6908fd12f.tar.gz |
[] add metering mode to CLI
Diffstat (limited to 'contrib/libs/clapack/zlarcm.c')
-rw-r--r-- | contrib/libs/clapack/zlarcm.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/contrib/libs/clapack/zlarcm.c b/contrib/libs/clapack/zlarcm.c new file mode 100644 index 0000000000..2dd2f0ea51 --- /dev/null +++ b/contrib/libs/clapack/zlarcm.c @@ -0,0 +1,177 @@ +/* zlarcm.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 doublereal c_b6 = 1.; +static doublereal c_b7 = 0.; + +/* Subroutine */ int zlarcm_(integer *m, integer *n, doublereal *a, integer * + lda, doublecomplex *b, integer *ldb, doublecomplex *c__, integer *ldc, + doublereal *rwork) +{ + /* System generated locals */ + integer a_dim1, a_offset, b_dim1, b_offset, c_dim1, c_offset, i__1, i__2, + i__3, i__4, i__5; + doublereal d__1; + doublecomplex z__1; + + /* Builtin functions */ + double d_imag(doublecomplex *); + + /* Local variables */ + integer i__, j, l; + extern /* Subroutine */ int dgemm_(char *, char *, integer *, integer *, + integer *, doublereal *, doublereal *, integer *, doublereal *, + integer *, doublereal *, doublereal *, integer *); + + +/* -- LAPACK auxiliary routine (version 3.2) -- */ +/* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */ +/* November 2006 */ + +/* .. Scalar Arguments .. */ +/* .. */ +/* .. Array Arguments .. */ +/* .. */ + +/* Purpose */ +/* ======= */ + +/* ZLARCM performs a very simple matrix-matrix multiplication: */ +/* C := A * B, */ +/* where A is M by M and real; B is M by N and complex; */ +/* C is M by N and complex. */ + +/* Arguments */ +/* ========= */ + +/* M (input) INTEGER */ +/* The number of rows of the matrix A and of the matrix C. */ +/* M >= 0. */ + +/* N (input) INTEGER */ +/* The number of columns and rows of the matrix B and */ +/* the number of columns of the matrix C. */ +/* N >= 0. */ + +/* A (input) DOUBLE PRECISION array, dimension (LDA, M) */ +/* A contains the M by M matrix A. */ + +/* LDA (input) INTEGER */ +/* The leading dimension of the array A. LDA >=max(1,M). */ + +/* B (input) DOUBLE PRECISION array, dimension (LDB, N) */ +/* B contains the M by N matrix B. */ + +/* LDB (input) INTEGER */ +/* The leading dimension of the array B. LDB >=max(1,M). */ + +/* C (input) COMPLEX*16 array, dimension (LDC, N) */ +/* C contains the M by N matrix C. */ + +/* LDC (input) INTEGER */ +/* The leading dimension of the array C. LDC >=max(1,M). */ + +/* RWORK (workspace) DOUBLE PRECISION array, dimension (2*M*N) */ + +/* ===================================================================== */ + +/* .. Parameters .. */ +/* .. */ +/* .. Local Scalars .. */ +/* .. */ +/* .. Intrinsic Functions .. */ +/* .. */ +/* .. External Subroutines .. */ +/* .. */ +/* .. Executable Statements .. */ + +/* Quick return if possible. */ + + /* Parameter adjustments */ + a_dim1 = *lda; + a_offset = 1 + a_dim1; + a -= a_offset; + b_dim1 = *ldb; + b_offset = 1 + b_dim1; + b -= b_offset; + c_dim1 = *ldc; + c_offset = 1 + c_dim1; + c__ -= c_offset; + --rwork; + + /* Function Body */ + if (*m == 0 || *n == 0) { + return 0; + } + + i__1 = *n; + for (j = 1; j <= i__1; ++j) { + i__2 = *m; + for (i__ = 1; i__ <= i__2; ++i__) { + i__3 = i__ + j * b_dim1; + rwork[(j - 1) * *m + i__] = b[i__3].r; +/* L10: */ + } +/* L20: */ + } + + l = *m * *n + 1; + dgemm_("N", "N", m, n, m, &c_b6, &a[a_offset], lda, &rwork[1], m, &c_b7, & + rwork[l], m); + i__1 = *n; + for (j = 1; j <= i__1; ++j) { + i__2 = *m; + for (i__ = 1; i__ <= i__2; ++i__) { + i__3 = i__ + j * c_dim1; + i__4 = l + (j - 1) * *m + i__ - 1; + c__[i__3].r = rwork[i__4], c__[i__3].i = 0.; +/* L30: */ + } +/* L40: */ + } + + i__1 = *n; + for (j = 1; j <= i__1; ++j) { + i__2 = *m; + for (i__ = 1; i__ <= i__2; ++i__) { + rwork[(j - 1) * *m + i__] = d_imag(&b[i__ + j * b_dim1]); +/* L50: */ + } +/* L60: */ + } + dgemm_("N", "N", m, n, m, &c_b6, &a[a_offset], lda, &rwork[1], m, &c_b7, & + rwork[l], m); + i__1 = *n; + for (j = 1; j <= i__1; ++j) { + i__2 = *m; + for (i__ = 1; i__ <= i__2; ++i__) { + i__3 = i__ + j * c_dim1; + i__4 = i__ + j * c_dim1; + d__1 = c__[i__4].r; + i__5 = l + (j - 1) * *m + i__ - 1; + z__1.r = d__1, z__1.i = rwork[i__5]; + c__[i__3].r = z__1.r, c__[i__3].i = z__1.i; +/* L70: */ + } +/* L80: */ + } + + return 0; + +/* End of ZLARCM */ + +} /* zlarcm_ */ |