fix outward definition

carolhungwt · Oct 13, 2008 · 00692cd · 00692cd
1 parent 96b86f1
commit 00692cd
Showing 1 changed file with 12 additions and 3 deletions.
diff --git a/RecoMuon/Navigation/src/DirectMuonNavigation.cc b/RecoMuon/Navigation/src/DirectMuonNavigation.cc
@@ -2,8 +2,8 @@
 
 /** \file DirectMuonNavigation
  *
- *  $Date: 2008/05/19 15:23:25 $
- *  $Revision: 1.12 $
+ *  $Date: 2008/05/20 16:25:23 $
+ *  $Revision: 1.13 $
  *  \author Chang Liu  -  Purdue University
  */
 
@@ -243,6 +243,15 @@ bool DirectMuonNavigation::checkCompatible(const FreeTrajectoryState& fts,const
 
 bool DirectMuonNavigation::outward(const FreeTrajectoryState& fts) const {
 
-  return (fts.position().basicVector().dot(fts.momentum().basicVector())>0);
+//  return (fts.position().basicVector().dot(fts.momentum().basicVector())>0);
+
+  float x0 = fts.position().x();
+  float y0 = fts.position().y();
+
+  float xm = fts.momentum().x();
+  float ym = fts.momentum().y();
+
+  return ((x0 * xm + y0 * ym ) > 0);
+
 
 }