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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/dlaset.c | |
parent | 01f64c1ecd0d4ffa9e3a74478335f1745f26cc75 (diff) | |
download | ydb-90d450f74722da7859d6f510a869f6c6908fd12f.tar.gz |
[] add metering mode to CLI
Diffstat (limited to 'contrib/libs/clapack/dlaset.c')
-rw-r--r-- | contrib/libs/clapack/dlaset.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/contrib/libs/clapack/dlaset.c b/contrib/libs/clapack/dlaset.c new file mode 100644 index 0000000000..98d304e6db --- /dev/null +++ b/contrib/libs/clapack/dlaset.c @@ -0,0 +1,152 @@ +/* dlaset.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" + +/* Subroutine */ int dlaset_(char *uplo, integer *m, integer *n, doublereal * + alpha, doublereal *beta, doublereal *a, integer *lda) +{ + /* System generated locals */ + integer a_dim1, a_offset, i__1, i__2, i__3; + + /* Local variables */ + integer i__, j; + extern logical lsame_(char *, char *); + + +/* -- LAPACK auxiliary routine (version 3.2) -- */ +/* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */ +/* November 2006 */ + +/* .. Scalar Arguments .. */ +/* .. */ +/* .. Array Arguments .. */ +/* .. */ + +/* Purpose */ +/* ======= */ + +/* DLASET initializes an m-by-n matrix A to BETA on the diagonal and */ +/* ALPHA on the offdiagonals. */ + +/* Arguments */ +/* ========= */ + +/* UPLO (input) CHARACTER*1 */ +/* Specifies the part of the matrix A to be set. */ +/* = 'U': Upper triangular part is set; the strictly lower */ +/* triangular part of A is not changed. */ +/* = 'L': Lower triangular part is set; the strictly upper */ +/* triangular part of A is not changed. */ +/* Otherwise: All of the matrix A is set. */ + +/* 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. */ + +/* ALPHA (input) DOUBLE PRECISION */ +/* The constant to which the offdiagonal elements are to be set. */ + +/* BETA (input) DOUBLE PRECISION */ +/* The constant to which the diagonal elements are to be set. */ + +/* A (input/output) DOUBLE PRECISION array, dimension (LDA,N) */ +/* On exit, the leading m-by-n submatrix of A is set as follows: */ + +/* if UPLO = 'U', A(i,j) = ALPHA, 1<=i<=j-1, 1<=j<=n, */ +/* if UPLO = 'L', A(i,j) = ALPHA, j+1<=i<=m, 1<=j<=n, */ +/* otherwise, A(i,j) = ALPHA, 1<=i<=m, 1<=j<=n, i.ne.j, */ + +/* and, for all UPLO, A(i,i) = BETA, 1<=i<=min(m,n). */ + +/* LDA (input) INTEGER */ +/* The leading dimension of the array A. LDA >= max(1,M). */ + +/* ===================================================================== */ + +/* .. Local Scalars .. */ +/* .. */ +/* .. External Functions .. */ +/* .. */ +/* .. Intrinsic Functions .. */ +/* .. */ +/* .. Executable Statements .. */ + + /* Parameter adjustments */ + a_dim1 = *lda; + a_offset = 1 + a_dim1; + a -= a_offset; + + /* Function Body */ + if (lsame_(uplo, "U")) { + +/* Set the strictly upper triangular or trapezoidal part of the */ +/* array to ALPHA. */ + + i__1 = *n; + for (j = 2; j <= i__1; ++j) { +/* Computing MIN */ + i__3 = j - 1; + i__2 = min(i__3,*m); + for (i__ = 1; i__ <= i__2; ++i__) { + a[i__ + j * a_dim1] = *alpha; +/* L10: */ + } +/* L20: */ + } + + } else if (lsame_(uplo, "L")) { + +/* Set the strictly lower triangular or trapezoidal part of the */ +/* array to ALPHA. */ + + i__1 = min(*m,*n); + for (j = 1; j <= i__1; ++j) { + i__2 = *m; + for (i__ = j + 1; i__ <= i__2; ++i__) { + a[i__ + j * a_dim1] = *alpha; +/* L30: */ + } +/* L40: */ + } + + } else { + +/* Set the leading m-by-n submatrix to ALPHA. */ + + i__1 = *n; + for (j = 1; j <= i__1; ++j) { + i__2 = *m; + for (i__ = 1; i__ <= i__2; ++i__) { + a[i__ + j * a_dim1] = *alpha; +/* L50: */ + } +/* L60: */ + } + } + +/* Set the first min(M,N) diagonal elements to BETA. */ + + i__1 = min(*m,*n); + for (i__ = 1; i__ <= i__1; ++i__) { + a[i__ + i__ * a_dim1] = *beta; +/* L70: */ + } + + return 0; + +/* End of DLASET */ + +} /* dlaset_ */ |