70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
#include "lapacke_utils.h"
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lapack_int API_SUFFIX(LAPACKE_dorhr_col_work)( int matrix_layout, lapack_int m, lapack_int n,
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lapack_int nb, double* a,
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lapack_int lda, double* t,
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lapack_int ldt, double* d )
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{
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lapack_int info = 0;
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if( matrix_layout == LAPACK_COL_MAJOR ) {
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/* Call LAPACK function and adjust info */
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LAPACK_dorhr_col( &m, &n, &nb, a, &lda, t, &ldt, d, &info );
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if( info < 0 ) {
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info = info - 1;
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}
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} else if( matrix_layout == LAPACK_ROW_MAJOR ) {
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lapack_int lda_t = MAX(1,m);
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lapack_int ldt_t = MAX(1,MIN(nb,n));
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double* a_t = NULL;
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double* t_t = NULL;
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/* Check leading dimension(s) */
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if( lda < n ) {
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info = -6;
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API_SUFFIX(LAPACKE_xerbla)( "LAPACKE_dorhr_col_work", info );
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return info;
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}
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if( ldt < n ) {
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info = -8;
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API_SUFFIX(LAPACKE_xerbla)( "LAPACKE_dorhr_col_work", info );
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return info;
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}
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/* Allocate memory for temporary array(s) */
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a_t = (double*)
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LAPACKE_malloc( sizeof(double) * lda_t * MAX(1,n) );
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if( a_t == NULL ) {
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info = LAPACK_TRANSPOSE_MEMORY_ERROR;
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goto exit_level_0;
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}
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t_t = (double*)
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LAPACKE_malloc( sizeof(double) *
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ldt_t * MAX(1,n) );
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if( t_t == NULL ) {
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info = LAPACK_TRANSPOSE_MEMORY_ERROR;
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goto exit_level_1;
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}
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/* Transpose input matrices */
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API_SUFFIX(LAPACKE_dge_trans)( matrix_layout, m, n, a, lda, a_t, lda_t );
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/* Call LAPACK function and adjust info */
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LAPACK_dorhr_col( &m, &n, &nb, a_t, &lda_t, t_t, &ldt_t, d, &info );
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if( info < 0 ) {
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info = info - 1;
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}
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/* Transpose output matrices */
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API_SUFFIX(LAPACKE_dge_trans)( LAPACK_COL_MAJOR, m, n, a_t, lda_t, a, lda );
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API_SUFFIX(LAPACKE_dge_trans)( LAPACK_COL_MAJOR, ldt, n, t_t, ldt_t, t,
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ldt );
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/* Release memory and exit */
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LAPACKE_free( t_t );
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exit_level_1:
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LAPACKE_free( a_t );
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exit_level_0:
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if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
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API_SUFFIX(LAPACKE_xerbla)( "LAPACKE_dorhr_col_work", info );
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}
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} else {
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info = -1;
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API_SUFFIX(LAPACKE_xerbla)( "LAPACKE_dorhr_col_work", info );
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}
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return info;
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}
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