[PPL-devel] [GIT] ppl/ppl(master): Fixed the bug witnessed by test15().

[Roberto Bagnara]

Module: ppl/ppl
Branch: master
Commit: 30dfe89368c392d62339f5d962bef4e676ee61d7
URL:    http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=30dfe89368c392d62339f5d962bef4e676ee61d7

Author: Roberto Bagnara <bagnara at cs.unipr.it>
Date:   Thu May 14 22:04:30 2009 +0200

Fixed the bug witnessed by test15().

---

 src/wrap_assign.hh        |    7 +++++--
 tests/Polyhedron/wrap1.cc |    2 +-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/wrap_assign.hh b/src/wrap_assign.hh
index 3ba5b96..10c2874 100644
--- a/src/wrap_assign.hh
+++ b/src/wrap_assign.hh
@@ -115,9 +115,12 @@ wrap_assign(PSET& pointset,
     throw std::invalid_argument(s.str());
   }
 
-  // Wrapping no variable is a no-op.
-  if (vars.empty())
+  // Wrapping no variable only requires refining with *pcs, if any.
+  if (vars.empty()) {
+    if (pcs != 0)
+      pointset.refine_with_constraints(*pcs);
     return;
+  }
 
   // Dimension-compatibility check of `vars'.
   if (space_dim < vars.space_dimension()) {
diff --git a/tests/Polyhedron/wrap1.cc b/tests/Polyhedron/wrap1.cc
index 90b4ba8..23ddd5d 100644
--- a/tests/Polyhedron/wrap1.cc
+++ b/tests/Polyhedron/wrap1.cc
@@ -500,6 +500,6 @@ BEGIN_MAIN
   DO_TEST_F8(test12);
   DO_TEST_F16(test13);
   DO_TEST_F8(test14);
-  DO_TEST_F(test15);
+  DO_TEST(test15);
   DO_TEST_F(test16);
 END_MAIN