GsfTools/interface/GaussianStateLessWeight.h

0001 #ifndef GaussianStateLessWeight_h_
0002 #define GaussianStateLessWeight_h_
0003
0004 #include "TrackingTools/GsfTools/interface/SingleGaussianState.h"
0005 #include <memory>
0006
0007 /** \class GaussianStateLessWeight
0008  * Compare two SingleGaussianState acc. to their weight.
0009  */
0010
0011 template <unsigned int N>
0012 class GaussianStateLessWeight {
0013 private:
0014   typedef std::shared_ptr<SingleGaussianState<N> > SingleStatePtr;
0015
0016 public:
0017   GaussianStateLessWeight() {}
0018   bool operator()(const SingleStatePtr& a, const SingleStatePtr& b) const {
0019     // ThS: No validity for SingleGaussianState
0020     //     if ( !a.isValid() || !b.isValid() )  return false;
0021     return a->weight() > b->weight();
0022   }
0023 };
0024
0025 #endif