lapack_int LAPACKE_dgbbrd	(	int	matrix_layout,
		char	vect,
		lapack_int	m,
		lapack_int	n,
		lapack_int	ncc,
		lapack_int	kl,
		lapack_int	ku,
		double *	ab,
		lapack_int	ldab,
		double *	d,
		double *	e,
		double *	q,
		lapack_int	ldq,
		double *	pt,
		lapack_int	ldpt,
		double *	c,
		lapack_int	ldc
	)

Definition at line 36 of file lapacke_dgbbrd.c.

{
    lapack_int info = 0;
    double* work = NULL;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dgbbrd", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_dgb_nancheck( matrix_layout, m, n, kl, ku, ab, ldab ) ) {
        return -8;
    }
    if( ncc != 0 ) {
        if( LAPACKE_dge_nancheck( matrix_layout, m, ncc, c, ldc ) ) {
            return -16;
        }
    }
#endif
    /* Allocate memory for working array(s) */
    work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,2*MAX(m,n)) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_dgbbrd_work( matrix_layout, vect, m, n, ncc, kl, ku, ab, ldab,
                                d, e, q, ldq, pt, ldpt, c, ldc, work );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dgbbrd", info );
    }
    return info;
}

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