OpenBLAS/lapack-netlib/LAPACKE/src/lapacke_cunhr_col_work.c

70 lines
2.5 KiB
C

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