DIRE/Tools/Weight.H

0001 #ifndef DIRE__Tools__Weight_H
0002 #define DIRE__Tools__Weight_H
0003
0004 namespace DIRE {
0005
0006   struct Weight {
0007   public:
0008
0009     double m_f, m_g, m_h;
0010
0011     inline Weight(const double &f,
0012           const double &g,const double &h):
0013       m_f(f), m_g(g), m_h(h) {}
0014
0015     inline double MC() const { return m_f/m_g; }
0016     inline double Accept() const { return m_g/m_h; }
0017     inline double Reject() const
0018     { return m_g/m_h*(m_h-m_f)/(m_g-m_f); }
0019
0020   };// end of struct Weight
0021
0022   inline std::ostream &operator<<(std::ostream &s,const Weight &w)
0023   { return s<<"W(f="<<w.m_f<<",g="<<w.m_g<<",h="<<w.m_h<<")"; }
0024
0025 }// end of namespace DIRE
0026
0027 #endif