69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
#include "lapacke_utils.h"
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lapack_int LAPACKE_strsyl3( int matrix_layout, char trana, char tranb,
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lapack_int isgn, lapack_int m, lapack_int n,
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const float* a, lapack_int lda, const float* b,
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lapack_int ldb, float* c, lapack_int ldc,
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float* scale )
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{
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lapack_int info = 0;
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float swork_query[2];
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float* swork = NULL;
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lapack_int ldswork = -1;
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lapack_int swork_size = -1;
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lapack_int iwork_query;
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lapack_int* iwork = NULL;
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lapack_int liwork = -1;
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if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
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LAPACKE_xerbla( "LAPACKE_strsyl3", -1 );
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return -1;
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}
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#ifndef LAPACK_DISABLE_NAN_CHECK
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if( LAPACKE_get_nancheck() ) {
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/* Optionally check input matrices for NaNs */
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if( LAPACKE_sge_nancheck( matrix_layout, m, m, a, lda ) ) {
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return -7;
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}
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if( LAPACKE_sge_nancheck( matrix_layout, n, n, b, ldb ) ) {
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return -9;
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}
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if( LAPACKE_sge_nancheck( matrix_layout, m, n, c, ldc ) ) {
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return -11;
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}
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}
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#endif
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/* Query optimal working array sizes */
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info = LAPACKE_strsyl3_work( matrix_layout, trana, tranb, isgn, m, n, a, lda,
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b, ldb, c, ldc, scale, &iwork_query, liwork,
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swork_query, ldswork );
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if( info != 0 ) {
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goto exit_level_0;
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}
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ldswork = swork_query[0];
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swork_size = ldswork * swork_query[1];
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swork = (float*)LAPACKE_malloc( sizeof(float) * swork_size);
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if( swork == NULL ) {
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info = LAPACK_WORK_MEMORY_ERROR;
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goto exit_level_0;
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}
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liwork = iwork_query;
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iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * liwork );
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if ( iwork == NULL ) {
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info = LAPACK_WORK_MEMORY_ERROR;
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goto exit_level_1;
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}
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/* Call middle-level interface */
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info = LAPACKE_strsyl3_work( matrix_layout, trana, tranb, isgn, m, n, a,
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lda, b, ldb, c, ldc, scale, iwork, liwork,
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swork, ldswork );
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/* Release memory and exit */
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LAPACKE_free( iwork );
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exit_level_1:
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LAPACKE_free( swork );
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exit_level_0:
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if( info == LAPACK_WORK_MEMORY_ERROR ) {
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LAPACKE_xerbla( "LAPACKE_strsyl3", info );
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}
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return info;
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}
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