lapacke_slaset.c

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*****************************************************************************
* Contents: Native high-level C interface to LAPACK function slaset
* Author: Intel Corporation
*****************************************************************************/
 
#include "lapacke_utils.h"
 
lapack_int LAPACKE_slaset( int matrix_layout, char uplo, lapack_int m,
                           lapack_int n, float alpha, float beta, float* a,
                           lapack_int lda )
{
 
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_slaset", -1 );
        return -1;
    }
 
/*****************************************************************************
*  Note: we do not check NaNs in A since the goal of this subroutine is to
*  initialized A. It is OK if A has NaNs in input.
*****************************************************************************/
 
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_s_nancheck( 1, &alpha, 1 ) ) {
            return -5;
        }
        if( LAPACKE_s_nancheck( 1, &beta, 1 ) ) {
            return -6;
        }
    }
#endif
 
    return LAPACKE_slaset_work( matrix_layout, uplo, m, n, alpha, beta, a, lda );
}