TotalDegreeCoefTermConsumer.cpp
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/* 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/.
*/
#include "stdinc.h"
#include "TotalDegreeCoefTermConsumer.h"
#include "CoefBigTermConsumer.h"
#include "TermTranslator.h"
#include "Term.h"
TotalDegreeCoefTermConsumer::
TotalDegreeCoefTermConsumer(unique_ptr<CoefBigTermConsumer> consumer,
const TermTranslator& translator):
_consumer(*consumer),
_consumerOwner(std::move(consumer)),
_translator(translator) {
ASSERT(_consumerOwner.get() != 0);
}
TotalDegreeCoefTermConsumer::
TotalDegreeCoefTermConsumer(CoefBigTermConsumer& consumer,
const TermTranslator& translator):
_consumer(consumer),
_translator(translator) {
}
void TotalDegreeCoefTermConsumer::consumeRing(const VarNames& names) {
// Do nothing since taking the total degree discards the original
// ring.
}
void TotalDegreeCoefTermConsumer::beginConsuming() {
}
void TotalDegreeCoefTermConsumer::consume(const mpz_class& coef,
const Term& term) {
ASSERT(term.getVarCount() == _translator.getVarCount());
if (coef == 0)
return;
// Compute total degree using _tmp.
_tmp = 0;
for (size_t var = 0; var < term.getVarCount(); ++var)
_tmp += _translator.getExponent(var, term);
_poly.add(coef, _tmp);
}
void TotalDegreeCoefTermConsumer::doneConsuming() {
_poly.feedTo(_consumer, true);
}
CoefBigTermConsumer.h
TermTranslator.h
Term.h
TotalDegreeCoefTermConsumer.h
CoefBigTermConsumer
Definition CoefBigTermConsumer.h:29
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
Term::getVarCount
size_t getVarCount() const
Definition Term.h:85
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
VarNames
Defines the variables of a polynomial ring and facilities IO involving them.
Definition VarNames.h:40
stdinc.h
This header file includes common definitions and is included as the first line of code in every imple...
ASSERT
#define ASSERT(X)
Definition stdinc.h:86