1 files changed, 31 insertions, 0 deletions
diff --git a/omegalib/omega_lib/include/omega/closure.h b/omegalib/omega_lib/include/omega/closure.h
new file mode 100644
index 0000000..67088dd
--- /dev/null
+++ b/omegalib/omega_lib/include/omega/closure.h
@@ -0,0 +1,31 @@
+#if ! defined _closure_h
+#define _closure_h
+
+#include <omega/Relation.h>
+
+namespace omega {
+
+Relation VennDiagramForm(
+                Tuple<Relation> &Rs,
+                NOT_CONST Relation &Context_In);
+Relation VennDiagramForm(
+                NOT_CONST Relation &R_In,
+                NOT_CONST Relation &Context_In = Relation::Null());
+
+// Given a Relation R, returns a relation deltas
+// that correspond to the ConicHull of the detlas of R
+Relation ConicClosure (NOT_CONST Relation &R);
+
+Relation  TransitiveClosure (NOT_CONST Relation &r, 
+                             int maxExpansion = 1,
+                             NOT_CONST Relation &IterationSpace=Relation::Null());
+
+/* Tomasz Klimek */
+Relation calculateTransitiveClosure(NOT_CONST Relation &r);
+
+/* Tomasz Klimek */
+Relation ApproxClosure(NOT_CONST Relation &r);
+
+} // namespace
+ 
+#endif