isl_tab_detect_implicit_equalities: also detect manifest equalities

[platform/upstream/isl.git] / isl_fold.c

diff --git a/isl_fold.c b/isl_fold.c
index d8838bb..f04b4d4 100644 (file)
--- a/isl_fold.c
+++ b/isl_fold.c
@@ -757,6 +757,68 @@ error:
        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,