lapacke_cgeequ_work.c

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* Contents: Native middle-level C interface to LAPACK function cgeequ
* Author: Intel Corporation
*****************************************************************************/

#include"lapacke_utils.h"

lapack_intLAPACKE_cgeequ_work( intmatrix_layout, lapack_intm, lapack_intn,
constlapack_complex_float*a, lapack_intlda,
float*r, float*c, float*rowcnd,
float*colcnd, float*amax )
{
lapack_intinfo=0;
if( matrix_layout==LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_cgeequ( &m, &n, a, &lda, r, c, rowcnd, colcnd, amax, &info );
if( info<0 ) {
info=info-1;
 }
 } elseif( matrix_layout==LAPACK_ROW_MAJOR ) {
lapack_intlda_t=MAX(1,m);
lapack_complex_float*a_t=NULL;
/* Check leading dimension(s) */
if( lda<n ) {
info=-5;
LAPACKE_xerbla( "LAPACKE_cgeequ_work", info );
returninfo;
 }
/* 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;
 }
/* Transpose input matrices */
LAPACKE_cge_trans( matrix_layout, m, n, a, lda, a_t, lda_t );
/* Call LAPACK function and adjust info */
LAPACK_cgeequ( &m, &n, a_t, &lda_t, r, c, rowcnd, colcnd, amax, &info );
if( info<0 ) {
info=info-1;
 }
/* Release memory and exit */
LAPACKE_free( a_t );
exit_level_0:
if( info==LAPACK_TRANSPOSE_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_cgeequ_work", info );
 }
 } else {
info=-1;
LAPACKE_xerbla( "LAPACKE_cgeequ_work", info );
 }
returninfo;
}