/usr/include/polybori/groebner/HasTRepOrExtendedProductCriterion.h is in libpolybori-groebner-dev 0.8.3-3+b2.
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//*****************************************************************************
/** @file HasTRepOrExtendedProductCriterion.h
*
* @author Michael Brickenstein
* @date 2011-06-30
*
* This file includes the definition of the class @c HasTRepOrExtendedProductCriterion.
*
* @par Copyright:
* (c) 2006-2010 by The PolyBoRi Team
*
**/
//*****************************************************************************
#ifndef polybori_groebner_HasTRepOrExtendedProductCriterion_h_
#define polybori_groebner_HasTRepOrExtendedProductCriterion_h_
// include basic definitions
#include "groebner_defs.h"
#include "GroebnerStrategy.h"
BEGIN_NAMESPACE_PBORIGB
inline bool
extended_product_criterion(const PolyEntry& m, const PolyEntry& m2){
//BooleMonomial m;
///@todo need GCDdeg
bool res=(m.lead.GCD(m2.lead).deg()==common_literal_factors_deg(m.literal_factors, m2.literal_factors));
//if (res)
// cout<<"EXTENDED PRODUCT_CRIT";
return res;
}
/** @class HasTRepOrExtendedProductCriterion
* @brief This class defines HasTRepOrExtendedProductCriterion.
*
**/
class HasTRepOrExtendedProductCriterion{
public:
GroebnerStrategy* strat;
int j;
HasTRepOrExtendedProductCriterion(GroebnerStrategy& strat, int j){
this->strat=&strat;
this->j=j;
}
bool operator() (const Monomial &m){
int i = strat->generators.index(m);
if (strat->pairs.status.hasTRep(i,j))
return true;
if (extended_product_criterion(const_cast<const GroebnerStrategy*>(strat)->generators[i],const_cast<const GroebnerStrategy*>(strat)->generators[j])){
strat->pairs.status.setToHasTRep(i,j);
strat->extendedProductCriterions++;
return true;
}
return false;
}
bool operator() (const Exponent &m){
int i;
i=strat->generators.index(m);
if (strat->pairs.status.hasTRep(i,j))
return true;
if (extended_product_criterion(const_cast<const GroebnerStrategy*>(strat)->generators[i],const_cast<const GroebnerStrategy*>(strat)->generators[j])){
strat->pairs.status.setToHasTRep(i,j);
strat->extendedProductCriterions++;
return true;
}
return false;
}
};
END_NAMESPACE_PBORIGB
#endif /* polybori_HasTRepOrExtendedProductCriterion_h_ */
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