#ifndef TPCDIGIAMPLITUDE_HH #define TPCDIGIAMPLITUDE_HH class PndTpcDigi; class PndTpcDigiAmplitude { public: // Constructors/Destructors --------- PndTpcDigiAmplitude(){;} ~PndTpcDigiAmplitude(){;} // Operators bool operator()(PndTpcDigi* s1, PndTpcDigi* s2); }; #endif