X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=isl_fold.c;h=f04b4d485c983e144d60e16bcee26f88e3871fa3;hb=b944c27a4e9ea06d27bb879e9f222f8c915d1218;hp=a0bdab3c48d685e7ead4e4ff5930e6bc8e5418c8;hpb=4d85255426ac9386bd4ece4189a533700e2eb9b4;p=platform%2Fupstream%2Fisl.git

diff --git a/isl_fold.c b/isl_fold.c
index a0bdab3..f04b4d4 100644
--- a/isl_fold.c
+++ b/isl_fold.c
@@ -24,7 +24,7 @@ static __isl_give isl_qpolynomial_fold *qpolynomial_fold_alloc(
 		goto error;
 
 	isl_assert(dim->ctx, n >= 0, goto error);
-	fold = isl_alloc(dim->ctx, struct isl_qpolynomial_fold,
+	fold = isl_calloc(dim->ctx, struct isl_qpolynomial_fold,
 			sizeof(struct isl_qpolynomial_fold) +
 			(n - 1) * sizeof(struct isl_qpolynomial *));
 	if (!fold)
@@ -397,6 +397,7 @@ __isl_give isl_qpolynomial_fold *isl_qpolynomial_fold_dup(
 	if (!dup)
 		return NULL;
 	
+	dup->n = fold->n;
 	for (i = 0; i < fold->n; ++i) {
 		dup->qp[i] = isl_qpolynomial_copy(fold->qp[i]);
 		if (!dup->qp[i])
@@ -718,3 +719,134 @@ int isl_pw_qpolynomial_fold_covers(__isl_keep isl_pw_qpolynomial_fold *pwf1,
 
 	return 1;
 }
+
+__isl_give isl_qpolynomial_fold *isl_qpolynomial_fold_morph(
+	__isl_take isl_qpolynomial_fold *fold, __isl_take isl_morph *morph)
+{
+	int i;
+	isl_ctx *ctx;
+
+	if (!fold || !morph)
+		goto error;
+
+	ctx = fold->dim->ctx;
+	isl_assert(ctx, isl_dim_equal(fold->dim, morph->dom->dim), goto error);
+
+	fold = isl_qpolynomial_fold_cow(fold);
+	if (!fold)
+		goto error;
+
+	isl_dim_free(fold->dim);
+	fold->dim = isl_dim_copy(morph->ran->dim);
+	if (!fold->dim)
+		goto error;
+
+	for (i = 0; i < fold->n; ++i) {
+		fold->qp[i] = isl_qpolynomial_morph(fold->qp[i],
+						isl_morph_copy(morph));
+		if (!fold->qp[i])
+			goto error;
+	}
+
+	isl_morph_free(morph);
+
+	return fold;
+error:
+	isl_qpolynomial_fold_free(fold);
+	isl_morph_free(morph);
+	return NULL;
+}
+
+enum isl_fold isl_qpolynomial_fold_get_type(__isl_keep isl_qpolynomial_fold *fold)
+{
+	if (!fold)
+		return isl_fold_list;
+	return fold->type;
+}
+
+__isl_give isl_qpolynomial_fold *isl_qpolynomial_fold_lift(
+	__isl_take isl_qpolynomial_fold *fold, __isl_take isl_dim *dim)
+{
+	int i;
+	isl_ctx *ctx;
+
+	if (!fold || !dim)
+		goto error;
+
+	if (isl_dim_equal(fold->dim, dim)) {
+		isl_dim_free(dim);
+		return fold;
+	}
+
+	fold = isl_qpolynomial_fold_cow(fold);
+	if (!fold)
+		goto error;
+
+	isl_dim_free(fold->dim);
+	fold->dim = isl_dim_copy(dim);
+	if (!fold->dim)
+		goto error;
+
+	for (i = 0; i < fold->n; ++i) {
+		fold->qp[i] = isl_qpolynomial_lift(fold->qp[i],
+						isl_dim_copy(dim));
+		if (!fold->qp[i])
+			goto error;
+	}
+
+	isl_dim_free(dim);
+
+	return fold;
+error:
+	isl_qpolynomial_fold_free(fold);
+	isl_dim_free(dim);
+	return NULL;
+}
+
+int isl_qpolynomial_fold_foreach_qpolynomial(
+	__isl_keep isl_qpolynomial_fold *fold,
+	int (*fn)(__isl_take isl_qpolynomial *qp, void *user), void *user)
+{
+	int i;
+
+	if (!fold)
+		return -1;
+
+	for (i = 0; i < fold->n; ++i)
+		if (fn(isl_qpolynomial_copy(fold->qp[i]), user) < 0)
+			return -1;
+
+	return 0;
+}
+
+__isl_give isl_qpolynomial_fold *isl_qpolynomial_fold_move_dims(
+	__isl_take isl_qpolynomial_fold *fold,
+	enum isl_dim_type dst_type, unsigned dst_pos,
+	enum isl_dim_type src_type, unsigned src_pos, unsigned n)
+{
+	int i;
+
+	if (n == 0)
+		return fold;
+
+	fold = isl_qpolynomial_fold_cow(fold);
+	if (!fold)
+		return NULL;
+
+	fold->dim = isl_dim_move(fold->dim, dst_type, dst_pos,
+						src_type, src_pos, n);
+	if (!fold->dim)
+		goto error;
+
+	for (i = 0; i < fold->n; ++i) {
+		fold->qp[i] = isl_qpolynomial_move_dims(fold->qp[i],
+				dst_type, dst_pos, src_type, src_pos, n);
+		if (!fold->qp[i])
+			goto error;
+	}
+
+	return fold;
+error:
+	isl_qpolynomial_fold_free(fold);
+	return NULL;
+}