add isl_local_space_lifting

[platform/upstream/isl.git] / doc / user.pod

diff --git a/doc/user.pod b/doc/user.pod
index 74a1e69..59d086d 100644 (file)
--- a/doc/user.pod
+++ b/doc/user.pod
@@ -2088,6 +2088,15 @@ existentially quantified variables.
        __isl_give isl_union_set *isl_union_set_lift(
                __isl_take isl_union_set *uset);
 
+Given a local space that contains the existentially quantified
+variables of a set, a basic relation that, when applied to
+a basic set, has essentially the same effect as C<isl_basic_set_lift>,
+can be constructed using the following function.
+
+       #include <isl/local_space.h>
+       __isl_give isl_basic_map *isl_local_space_lifting(
+               __isl_take isl_local_space *ls);
+
 =item * Internal Product
 
        __isl_give isl_basic_map *isl_basic_map_zip(