/*
 * Copyright 2010      INRIA Saclay
 *
 * Use of this software is governed by the MIT license
 *
 * Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France,
 * Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod,
 * 91893 Orsay, France
 */

__isl_give PW *FN(PW,move_dims)(__isl_take PW *pw,
	enum isl_dim_type dst_type, unsigned dst_pos,
	enum isl_dim_type src_type, unsigned src_pos, unsigned n)
{
	int i;

	pw = FN(PW,cow)(pw);
	if (!pw)
		return NULL;

	pw->dim = isl_space_move_dims(pw->dim, dst_type, dst_pos, src_type, src_pos, n);
	if (!pw->dim)
		goto error;

	for (i = 0; i < pw->n; ++i) {
		pw->p[i].FIELD = FN(EL,move_dims)(pw->p[i].FIELD,
					dst_type, dst_pos, src_type, src_pos, n);
		if (!pw->p[i].FIELD)
			goto error;
	}

	if (dst_type == isl_dim_in)
		dst_type = isl_dim_set;
	if (src_type == isl_dim_in)
		src_type = isl_dim_set;

	for (i = 0; i < pw->n; ++i) {
		pw->p[i].set = isl_set_move_dims(pw->p[i].set,
						dst_type, dst_pos,
						src_type, src_pos, n);
		if (!pw->p[i].set)
			goto error;
	}

	return pw;
error:
	FN(PW,free)(pw);
	return NULL;
}