1 files changed, 28 insertions, 0 deletions
diff --git a/src/aig/gia/giaUtil.c b/src/aig/gia/giaUtil.c
index e16ee44f..365a8539 100644
--- a/src/aig/gia/giaUtil.c
+++ b/src/aig/gia/giaUtil.c
@@ -746,6 +746,34 @@ int * Gia_ManCreateMuxRefs( Gia_Man_t * p )
 
 /**Function*************************************************************
 
+  Synopsis    [Assigns references.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Gia_ManCountMuxXor( Gia_Man_t * p, int * pnMuxes, int * pnXors )
+{
+    Gia_Obj_t * pObj, * pFan0, * pFan1; 
+    int i;
+    *pnMuxes = 0;
+    *pnXors = 0;
+    Gia_ManForEachAnd( p, pObj, i )
+    {
+        if ( !Gia_ObjIsMuxType(pObj) )
+            continue;
+        if ( Gia_ObjRecognizeExor(pObj, &pFan0, &pFan1) )
+            (*pnXors)++;
+        else
+            (*pnMuxes)++;
+    }
+}
+
+/**Function*************************************************************
+
   Synopsis    [Computes the maximum frontier size.]
 
   Description []