Frobby 0.9.5
TotalDegreeCoefTermConsumer.cpp
Go to the documentation of this file.
1/* Frobby: Software for monomial ideal computations.
2 Copyright (C) 2007 Bjarke Hammersholt Roune (www.broune.com)
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see http://www.gnu.org/licenses/.
16*/
17#include "stdinc.h"
19
20#include "CoefBigTermConsumer.h"
21#include "TermTranslator.h"
22#include "Term.h"
23
25TotalDegreeCoefTermConsumer(auto_ptr<CoefBigTermConsumer> consumer,
26 const TermTranslator& translator):
27 _consumer(*consumer),
28 _consumerOwner(consumer),
29 _translator(translator) {
30 ASSERT(_consumerOwner.get() != 0);
31}
32
35 const TermTranslator& translator):
36 _consumer(consumer),
37 _translator(translator) {
38}
39
41 // Do nothing since taking the total degree discards the original
42 // ring.
43}
44
46}
47
48void TotalDegreeCoefTermConsumer::consume(const mpz_class& coef,
49 const Term& term) {
51 if (coef == 0)
52 return;
53
54 // Compute total degree using _tmp.
55 _tmp = 0;
56 for (size_t var = 0; var < term.getVarCount(); ++var)
57 _tmp += _translator.getExponent(var, term);
58
59 _poly.add(coef, _tmp);
60}
61
63 _poly.feedTo(_consumer, true);
64}
TermTranslator handles translation between terms whose exponents are infinite precision integers and ...
const mpz_class & getExponent(size_t variable, Exponent exponent) const
This method translates from IDs to arbitrary precision integers.
size_t getVarCount() const
Term represents a product of variables which does not include a coefficient.
Definition: Term.h:49
size_t getVarCount() const
Definition: Term.h:85
virtual void consumeRing(const VarNames &names)
TotalDegreeCoefTermConsumer(auto_ptr< CoefBigTermConsumer > consumer, const TermTranslator &translator)
auto_ptr< CoefBigTermConsumer > _consumerOwner
virtual void consume(const mpz_class &coef, const Term &term)
void feedTo(CoefBigTermConsumer &consumer, bool inCanonicalOrder=false) const
void add(bool plus, const mpz_class &exponent)
Add +t^exponent or -t^exponent to the polynomial depending on whether plus is true or false,...
Defines the variables of a polynomial ring and facilities IO involving them.
Definition: VarNames.h:40
#define ASSERT(X)
Definition: stdinc.h:86