/usr/include/polybori/groebner/PolyEntryBase.h is in libpolybori-groebner-dev 0.8.3-3+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//*****************************************************************************
/** @file PolyEntryBase.h
*
* @author Michael Brickenstein (original) and Alexander Dreyer (refactored)
* @date 2012-01-31
*
* This file includes the definition of the class @c PolyEntryBase.
*
* @par Copyright:
* (c) 2006-2012 by The PolyBoRi Team
*
**/
//*****************************************************************************
#ifndef polybori_groebner_PolyEntryBase_h_
#define polybori_groebner_PolyEntryBase_h_
// include basic definitions
#include "groebner_defs.h"
BEGIN_NAMESPACE_PBORIGB
/** @class PolyEntryBase
* @brief This class defines the base of @c PolyEntry.
*
**/
class PolyEntryBase {
public:
PolyEntryBase(const Polynomial &poly):
literal_factors(poly),
p(poly), lead(poly.ring()), weightedLength(),
length(poly.length()), deg(poly.deg()),
// empty/zero default values to be filled below (TODO: use inheritance here)
leadDeg(), leadExp(), gcdOfTerms(poly.ring()),
usedVariables(poly.usedVariablesExp()),
tailVariables(), tail(poly.ring()), minimal(true), vPairCalculated() {
lead = p.boundedLead(deg);
leadExp = lead.exp();
leadDeg = leadExp.deg();
if (leadDeg == deg)
weightedLength = length;
else
weightedLength = poly.eliminationLengthWithDegBound(deg);
tail = poly-lead;
tailVariables = tail.usedVariablesExp();
}
LiteralFactorization literal_factors;
Polynomial p;
Monomial lead;
wlen_type weightedLength;
len_type length;
deg_type deg;
deg_type leadDeg;
Exponent leadExp;
Monomial gcdOfTerms;
Exponent usedVariables;
Exponent tailVariables;
Polynomial tail;
bool minimal;
///set of variables with which pair was calculated
std::set<idx_type> vPairCalculated;
};
END_NAMESPACE_PBORIGB
#endif /* polybori_groebner_PolyEntryBase_h_ */
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