--- branches/development/src/math/RMSD.cpp	2010/07/09 23:08:25	1465
+++ branches/development/src/math/RMSD.cpp	2013/01/09 19:27:52	1825
@@ -72,12 +72,12 @@ RealType RMSD::calculate_rmsd(std::vector<Vector3d> mo
   stmp.getSubVector(0,s);
   wtmp.getSubMatrix(0,0,w);
     
-  int is_reflection = (v.determinant() * w.determinant()) < 0.0;
+  int is_reflection = (v.determinant() * w.determinant()) < RealType(0.0);
   if (is_reflection)
     s(2) = -s(2);
 
   RealType rmsd_sq = (E0 - 2.0 * s.sum() )/ (RealType)n_vec;
-  rmsd_sq = max(rmsd_sq,0.0);
+  rmsd_sq = max(rmsd_sq, RealType(0.0));
   RealType rmsd = sqrt(rmsd_sq);
   return rmsd;
 }
@@ -109,7 +109,6 @@ RotMat3x3d RMSD::optimal_superposition(std::vector<Vec
   
   /* initialize */
   Mat3x3d R(0.0);
-  RealType E0 = 0.0;
   
   for (n=0; n < n_vec; n++) {