Frobby  0.9.0
CanonicalTermConsumer.h
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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 #ifndef CANONICAL_TERM_CONSUMER_GUARD
18 #define CANONICAL_TERM_CONSUMER_GUARD
19 
20 #include "TermConsumer.h"
21 #include "Ideal.h"
22 #include "ElementDeleter.h"
23 
24 class Term;
25 class TermTranslator;
26 
33  public:
37  CanonicalTermConsumer(auto_ptr<TermConsumer> consumer,
38  size_t varCount,
39  TermTranslator* translator = 0);
40 
48  virtual void consumeRing(const VarNames& names);
49 
54  virtual void beginConsumingList();
55 
56  virtual void beginConsuming();
57  virtual void consume(const Term& term);
58  virtual void doneConsuming();
59 
60  virtual void doneConsumingList();
61 
62  private:
63  void passLastIdeal();
64  void canonicalizeIdeal(Ideal& ideal);
65 
66  size_t _varCount;
68  vector<Ideal*> _ideals;
70  auto_ptr<TermConsumer> _consumer;
72 };
73 
74 #endif
CanonicalTermConsumer::doneConsumingList
virtual void doneConsumingList()
Must be called once after each time beginConsumingList has been called.
Definition: CanonicalTermConsumer.cpp:69
ElementDeleter
Definition: ElementDeleter.h:50
CanonicalTermConsumer::CanonicalTermConsumer
CanonicalTermConsumer(auto_ptr< TermConsumer > consumer, size_t varCount, TermTranslator *translator=0)
The translator, if non-null, is used to identify exponents that map to zero, which influences the sor...
Definition: CanonicalTermConsumer.cpp:24
CanonicalTermConsumer::_idealsDeleter
ElementDeleter< vector< Ideal * > > _idealsDeleter
Definition: CanonicalTermConsumer.h:69
CanonicalTermConsumer::consumeRing
virtual void consumeRing(const VarNames &names)
Passes on the call immediately.
Definition: CanonicalTermConsumer.cpp:36
TermTranslator
TermTranslator handles translation between terms whose exponents are infinite precision integers and ...
Definition: TermTranslator.h:41
CanonicalTermConsumer::_consumer
auto_ptr< TermConsumer > _consumer
Definition: CanonicalTermConsumer.h:70
CanonicalTermConsumer::doneConsuming
virtual void doneConsuming()
Must be called once after each time beginConsuming has been called.
Definition: CanonicalTermConsumer.cpp:61
CanonicalTermConsumer::_varCount
size_t _varCount
Definition: CanonicalTermConsumer.h:66
Ideal.h
TermConsumer
This class is used to transfer terms one at a time from one part of the program to another,...
Definition: TermConsumer.h:36
Term
Term represents a product of variables which does not include a coefficient.
Definition: Term.h:49
CanonicalTermConsumer::beginConsumingList
virtual void beginConsumingList()
This method is not required to be called.
Definition: CanonicalTermConsumer.cpp:40
CanonicalTermConsumer::beginConsuming
virtual void beginConsuming()
Tell the consumer to begin consuming an ideal.
Definition: CanonicalTermConsumer.cpp:47
CanonicalTermConsumer::consume
virtual void consume(const Term &term)
Consume a term.
Definition: CanonicalTermConsumer.cpp:54
CanonicalTermConsumer::passLastIdeal
void passLastIdeal()
Definition: CanonicalTermConsumer.cpp:92
CanonicalTermConsumer::_storingList
bool _storingList
Definition: CanonicalTermConsumer.h:67
CanonicalTermConsumer::_ideals
vector< Ideal * > _ideals
Definition: CanonicalTermConsumer.h:68
Ideal
Represents a monomial ideal with int exponents.
Definition: Ideal.h:27
CanonicalTermConsumer::_translator
TermTranslator * _translator
Definition: CanonicalTermConsumer.h:71
CanonicalTermConsumer
Passes consumed items on in a canonical order.
Definition: CanonicalTermConsumer.h:32
VarNames
Defines the variables of a polynomial ring and facilities IO involving them.
Definition: VarNames.h:40
CanonicalTermConsumer::canonicalizeIdeal
void canonicalizeIdeal(Ideal &ideal)
Definition: CanonicalTermConsumer.cpp:113
TermConsumer.h
ElementDeleter.h