lapacke_dtfsm.c

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* Contents: Native high-level C interface to LAPACK function dtfsm
* Author: Intel Corporation
*****************************************************************************/
 
#include "lapacke_utils.h"
 
lapack_int LAPACKE_dtfsm( int matrix_layout, char transr, char side, char uplo,
                          char trans, char diag, lapack_int m, lapack_int n,
                          double alpha, const double* a, double* b,
                          lapack_int ldb )
{
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dtfsm", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( IS_D_NONZERO(alpha) ) {
            if( LAPACKE_dtf_nancheck( matrix_layout, transr, uplo, diag, n, a ) ) {
                return -10;
            }
        }
        if( LAPACKE_d_nancheck( 1, &alpha, 1 ) ) {
            return -9;
        }
        if( IS_D_NONZERO(alpha) ) {
            if( LAPACKE_dge_nancheck( matrix_layout, m, n, b, ldb ) ) {
                return -11;
            }
        }
    }
#endif
    return LAPACKE_dtfsm_work( matrix_layout, transr, side, uplo, trans, diag, m,
                               n, alpha, a, b, ldb );
}