/usr/include/polybori/groebner/PairE.h is in libpolybori-groebner-dev 0.8.3-3+b2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | // -*- c++ -*-
//*****************************************************************************
/** @file PairE.h
*
* @author Michael Brickenstein
* @date 2011-06-30
*
* This file includes the definition of the class @c PairE.
*
* @par Copyright:
* (c) 2006-2010 by The PolyBoRi Team
*
**/
//*****************************************************************************
#ifndef polybori_groebner_PairE_h_
#define polybori_groebner_PairE_h_
// include basic definitions
#include "groebner_defs.h"
BEGIN_NAMESPACE_PBORIGB
/** @class PairE
* @brief This class defines PairE.
*
**/
class PairE{
private:
int type;
public:
int getType() const{
return type;
}
wlen_type wlen;
deg_type sugar;
//three sorts of pairs
//x*poly, poly, i,j
pair_data_ptr data;
Exponent lm; //must not be the real lm, can be lm of syzygy or something else
PairE(const PairE& rhs):
type(rhs.getType()), wlen(rhs.wlen), sugar(rhs.sugar),
data(rhs.data), lm(rhs.lm) {}
Polynomial extract(const PolyEntryVector& v) const {
return data->extract(v);
}
PairE(int i, int j, const PolyEntryVector &v):
type(IJ_PAIR),
wlen(v[i].weightedLength+v[j].weightedLength-2),
data(new IJPairData(i,j)),
lm(v[i].leadExp+v[j].leadExp) {
sugar=lm.deg()+std::max(v[i].ecart(),v[j].ecart());
}
PairE(int i, idx_type v, const PolyEntryVector &gen,int type):
wlen(gen[i].weightedLength+gen[i].length),
sugar(gen[i].deg+1),
data(new VariablePairData(i,v)),
// sugar(gen[i].lmDeg+1),///@only do that because of bad criteria impl
lm(gen[i].leadExp) {
PBORI_ASSERT(type==VARIABLE_PAIR);
this->type=type;
if (gen[i].leadExp==gen[i].usedVariables)
sugar=gen[i].deg;
if (gen[i].tailVariables.deg()<gen[i].deg)
sugar=gen[i].deg;
}
PairE(const Polynomial& delayed):
type(DELAYED_PAIR), wlen(delayed.eliminationLength()),
sugar(delayed.deg()),
data(new PolyPairData(delayed)),
//lm(delayed.lead()),
lm(delayed.leadExp()) { }
const PolyPairData& delayedPair() const {
PBORI_ASSERT(type == DELAYED_PAIR);
return *static_cast<const PolyPairData*>(data.get());
}
const IJPairData& ijPair() const {
PBORI_ASSERT(type == IJ_PAIR);
return *static_cast<const IJPairData*>(data.get());
}
const VariablePairData& variablePair() const {
return *static_cast<const VariablePairData*>(data.get());
}
};
END_NAMESPACE_PBORIGB
#endif /* polybori_PairE_h_ */
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