TotalDegreeCoefTermConsumer.h
Go to the documentation of this file.
/* Frobby: Software for monomial ideal computations.
Copyright (C) 2007 Bjarke Hammersholt Roune (www.broune.com)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/.
*/
#ifndef TOTAL_DEGREE_COEF_TERM_CONSUMER_GUARD
#define TOTAL_DEGREE_COEF_TERM_CONSUMER_GUARD
#include "CoefTermConsumer.h"
#include "UniHashPolynomial.h"
class Term;
class CoefBigTermConsumer;
class TermTranslator;
#include <map>
// Substitutes the same single variable for each variable, in effect
// grading by the total degree. Passes consumed items on in descending
// order of exponent, i.e. reverse lex order. This requires storing
// all items before any can be passed on.
//
// TODO: get rid of translator in constructor.
class TotalDegreeCoefTermConsumer : public CoefTermConsumer {
public:
TotalDegreeCoefTermConsumer(unique_ptr<CoefBigTermConsumer> consumer,
const TermTranslator& translator);
TotalDegreeCoefTermConsumer(CoefBigTermConsumer& consumer,
const TermTranslator& translator);
virtual void consumeRing(const VarNames& names);
virtual void beginConsuming();
virtual void consume(const mpz_class& coef, const Term& term);
virtual void doneConsuming();
private:
CoefBigTermConsumer& _consumer;
unique_ptr<CoefBigTermConsumer> _consumerOwner;
const TermTranslator& _translator;
mpz_class _tmp;
UniHashPolynomial _poly;
};
#endif
CoefTermConsumer.h
UniHashPolynomial.h
CoefBigTermConsumer
Definition CoefBigTermConsumer.h:29
CoefTermConsumer
Definition CoefTermConsumer.h:24
TermTranslator
TermTranslator handles translation between terms whose exponents are infinite precision integers and ...
Definition TermTranslator.h:41
Term
Term represents a product of variables which does not include a coefficient.
Definition Term.h:49
TotalDegreeCoefTermConsumer::consumeRing
virtual void consumeRing(const VarNames &names)
Definition TotalDegreeCoefTermConsumer.cpp:40
TotalDegreeCoefTermConsumer::doneConsuming
virtual void doneConsuming()
Definition TotalDegreeCoefTermConsumer.cpp:62
TotalDegreeCoefTermConsumer::_consumerOwner
unique_ptr< CoefBigTermConsumer > _consumerOwner
Definition TotalDegreeCoefTermConsumer.h:50
TotalDegreeCoefTermConsumer::TotalDegreeCoefTermConsumer
TotalDegreeCoefTermConsumer(unique_ptr< CoefBigTermConsumer > consumer, const TermTranslator &translator)
Definition TotalDegreeCoefTermConsumer.cpp:25
TotalDegreeCoefTermConsumer::beginConsuming
virtual void beginConsuming()
Definition TotalDegreeCoefTermConsumer.cpp:45
TotalDegreeCoefTermConsumer::_tmp
mpz_class _tmp
Definition TotalDegreeCoefTermConsumer.h:52
TotalDegreeCoefTermConsumer::consume
virtual void consume(const mpz_class &coef, const Term &term)
Definition TotalDegreeCoefTermConsumer.cpp:48
TotalDegreeCoefTermConsumer::_poly
UniHashPolynomial _poly
Definition TotalDegreeCoefTermConsumer.h:54
TotalDegreeCoefTermConsumer::_consumer
CoefBigTermConsumer & _consumer
Definition TotalDegreeCoefTermConsumer.h:49
TotalDegreeCoefTermConsumer::_translator
const TermTranslator & _translator
Definition TotalDegreeCoefTermConsumer.h:51
UniHashPolynomial
A sparse univariate polynomial represented by a hash table mapping terms to coefficients.
Definition UniHashPolynomial.h:41
VarNames
Defines the variables of a polynomial ring and facilities IO involving them.
Definition VarNames.h:40