LessUsedTailVariablesThenLessWeightedLengthInStrat.h
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// -*- c++ -*-
//*****************************************************************************
//*****************************************************************************
#ifndef polybori_groebner_LessUsedTailVariablesThenLessWeightedLengthInStrat_h_
#define polybori_groebner_LessUsedTailVariablesThenLessWeightedLengthInStrat_h_
// include basic definitions
#include "groebner_defs.h"
BEGIN_NAMESPACE_PBORIGB
class LessUsedTailVariablesThenLessWeightedLengthInStrat{
public:
const GroebnerStrategy* strat;
LessUsedTailVariablesThenLessWeightedLengthInStrat(const GroebnerStrategy& strat){
this->strat=&strat;
}
bool operator() (const Monomial& a, const Monomial& b) const{
return operator()(strat->generators[a], strat->generators[b]);
}
private:
bool operator() (const PolyEntry& entry1, const PolyEntry& entry2) const {
deg_type d1 = entry1.tailVariables.deg();
deg_type d2 = entry2.tailVariables.deg();
if (d1 != d2)
return (d1 < d2);
return (entry1.weightedLength < entry2.weightedLength);
}
};
END_NAMESPACE_PBORIGB
#endif /* polybori_LessUsedTailVariablesThenLessWeightedLengthInStrat_h_ */