lapack_int LAPACKE_cgebak_work	(	int	matrix_layout,
		char	job,
		char	side,
		lapack_int	n,
		lapack_int	ilo,
		lapack_int	ihi,
		const float *	scale,
		lapack_int	m,
		lapack_complex_float *	v,
		lapack_int	ldv
	)

Definition at line 36 of file lapacke_cgebak_work.c.

{
    lapack_int info = 0;
    if( matrix_layout == LAPACK_COL_MAJOR ) {
        /* Call LAPACK function and adjust info */
        LAPACK_cgebak( &job, &side, &n, &ilo, &ihi, scale, &m, v, &ldv, &info );
        if( info < 0 ) {
            info = info - 1;
        }
    } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
        lapack_int ldv_t = MAX(1,n);
        lapack_complex_float* v_t = NULL;
        /* Check leading dimension(s) */
        if( ldv < m ) {
            info = -10;
            LAPACKE_xerbla( "LAPACKE_cgebak_work", info );
            return info;
        }
        /* Allocate memory for temporary array(s) */
        v_t = (lapack_complex_float*)
            LAPACKE_malloc( sizeof(lapack_complex_float) * ldv_t * MAX(1,m) );
        if( v_t == NULL ) {
            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
            goto exit_level_0;
        }
        /* Transpose input matrices */
        LAPACKE_cge_trans( matrix_layout, n, m, v, ldv, v_t, ldv_t );
        /* Call LAPACK function and adjust info */
        LAPACK_cgebak( &job, &side, &n, &ilo, &ihi, scale, &m, v_t, &ldv_t,
                       &info );
        if( info < 0 ) {
            info = info - 1;
        }
        /* Transpose output matrices */
        LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, m, v_t, ldv_t, v, ldv );
        /* Release memory and exit */
        LAPACKE_free( v_t );
exit_level_0:
        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
            LAPACKE_xerbla( "LAPACKE_cgebak_work", info );
        }
    } else {
        info = -1;
        LAPACKE_xerbla( "LAPACKE_cgebak_work", info );
    }
    return info;
}

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