add isl_space_params

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>

diff --git a/doc/user.pod b/doc/user.pod
index f382895..3d9a007 100644 (file)
--- a/doc/user.pod
+++ b/doc/user.pod
@@ -622,6 +622,8 @@ using the following functions.
        __isl_give isl_space *isl_space_from_domain(__isl_take isl_space *space);
        __isl_give isl_space *isl_space_range(__isl_take isl_space *space);
        __isl_give isl_space *isl_space_from_range(__isl_take isl_space *space);
+       __isl_give isl_space *isl_space_params(
+               __isl_take isl_space *space);
        __isl_give isl_space *isl_space_reverse(__isl_take isl_space *space);
        __isl_give isl_space *isl_space_join(__isl_take isl_space *left,
                __isl_take isl_space *right);

diff --git a/include/isl/space.h b/include/isl/space.h
index c2cd1b1..8a859ae 100644 (file)
--- a/include/isl/space.h
+++ b/include/isl/space.h
@@ -94,6 +94,7 @@ __isl_give isl_space *isl_space_domain(__isl_take isl_space *dim);
 __isl_give isl_space *isl_space_from_domain(__isl_take isl_space *dim);
 __isl_give isl_space *isl_space_range(__isl_take isl_space *dim);
 __isl_give isl_space *isl_space_from_range(__isl_take isl_space *dim);
+__isl_give isl_space *isl_space_params(__isl_take isl_space *space);
 
 __isl_give isl_space *isl_space_align_params(__isl_take isl_space *dim1,
        __isl_take isl_space *dim2);

diff --git a/isl_space.c b/isl_space.c
index a7d7d53..f0b14bc 100644 (file)
--- a/isl_space.c
+++ b/isl_space.c
@@ -1098,6 +1098,15 @@ __isl_give isl_space *isl_space_from_range(__isl_take isl_space *dim)
        return dim;
 }
 
+__isl_give isl_space *isl_space_params(__isl_take isl_space *space)
+{
+       space = isl_space_drop_dims(space,
+                           isl_dim_in, 0, isl_space_dim(space, isl_dim_in));
+       space = isl_space_drop_dims(space,
+                           isl_dim_out, 0, isl_space_dim(space, isl_dim_out));
+       return space;
+}
+
 __isl_give isl_space *isl_space_as_set_space(__isl_take isl_space *dim)
 {
        dim = isl_space_cow(dim);