ChainVariableCriterion.h
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// -*- c++ -*-
//*****************************************************************************
//*****************************************************************************
#ifndef polybori_groebner_ChainVariableCriterion_h_
#define polybori_groebner_ChainVariableCriterion_h_
// include basic definitions
#include "groebner_defs.h"
#include "GroebnerStrategy.h"
BEGIN_NAMESPACE_PBORIGB
class ChainVariableCriterion{
public:
const GroebnerStrategy* strat;
int i;
idx_type v;
ChainVariableCriterion(const GroebnerStrategy& strat, int i, idx_type v){
this->strat=&strat;
this->i=i;
this->v=v;
}
bool operator() (const Exponent& lmExp){
int index=strat->generators.index(lmExp);
//we know such an entry exists
if (index!=i){
//would be still true for i, but how should that happen
if ((strat->pairs.status.hasTRep(i,index)) &&(strat->generators[index].vPairCalculated.count(v)==1))
return true;
}
return false;
}
};
END_NAMESPACE_PBORIGB
#endif /* polybori_ChainVariableCriterion_h_ */