LAPACKE_claset_work()

lapack_int LAPACKE_claset_work	(	int	matrix_layout,
		char	uplo,
		lapack_int	m,
		lapack_int	n,
		lapack_complex_float	alpha,
		lapack_complex_float	beta,
		lapack_complex_float *	a,
		lapack_int	lda
	)

Definition at line 35 of file lapacke_claset_work.c.

{
    lapack_int info = 0;
    if( matrix_layout == LAPACK_COL_MAJOR ) {
        /* Call LAPACK function and adjust info */
        LAPACK_claset( &uplo, &m, &n, &alpha, &beta, a, &lda );
    } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
        lapack_int lda_t = MAX(1,m);
        lapack_complex_float* a_t = NULL;
        /* Check leading dimension(s) */
        if( lda < n ) {
            info = -8;
            LAPACKE_xerbla( "LAPACKE_claset_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;
        }
        /* Transpose input matrices */
        LAPACKE_cge_trans( matrix_layout, m, n, a, lda, a_t, lda_t );
        /* Call LAPACK function and adjust info */
        LAPACK_claset( &uplo, &m, &n, &alpha, &beta, a_t, &lda_t );
        info = 0;  /* LAPACK call is ok! */
        /* Transpose output matrices */
        LAPACKE_cge_trans( LAPACK_COL_MAJOR, m, n, a_t, lda_t, a, lda );
        /* Release memory and exit */
        LAPACKE_free( a_t );
exit_level_0:
        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
            LAPACKE_xerbla( "LAPACKE_claset_work", info );
        }
    } else {
        info = -1;
        LAPACKE_xerbla( "LAPACKE_claset_work", info );
    }
    return info;
}

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