introduce internal isl_dim_map for representing mappings between dimensions

[platform/upstream/isl.git] / include / isl_dim.h

diff --git a/include/isl_dim.h b/include/isl_dim.h
index b43c909..50febb6 100644 (file)
--- a/include/isl_dim.h
+++ b/include/isl_dim.h
@@ -17,6 +17,13 @@ struct isl_dim {
        unsigned n_out;         /* dim for sets */
 };
 
+enum isl_dim_type {
+       isl_dim_param,
+       isl_dim_in,
+       isl_dim_out,
+       isl_dim_set = isl_dim_out,
+};
+
 struct isl_dim *isl_dim_alloc(struct isl_ctx *ctx,
                        unsigned nparam, unsigned n_in, unsigned n_out);
 struct isl_dim *isl_dim_copy(struct isl_dim *dim);