lapacke_slarfx.c

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* Contents: Native high-level C interface to LAPACK function slarfx
* Author: Intel Corporation
*****************************************************************************/
 
#include "lapacke_utils.h"
 
lapack_int LAPACKE_slarfx( int matrix_layout, char side, lapack_int m,
                           lapack_int n, const float* v, float tau, float* c,
                           lapack_int ldc, float* work )
{
    lapack_int lv;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_slarfx", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_sge_nancheck( matrix_layout, m, n, c, ldc ) ) {
            return -7;
        }
        if( LAPACKE_s_nancheck( 1, &tau, 1 ) ) {
            return -6;
        }
        lv = (LAPACKE_lsame( side, 'l' ) ? m : n);
        if( LAPACKE_s_nancheck( lv, v, 1 ) ) {
            return -5;
        }
    }
#endif
    return LAPACKE_slarfx_work( matrix_layout, side, m, n, v, tau, c, ldc,
                                work );
}