VarSorter.h
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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/.
*/
#ifndef VAR_SORTER_GUARD
#define VAR_SORTER_GUARD
#include "VarNames.h"
#include <vector>
#include "Term.h"
class TermTranslator;
struct VarSorter {
// Makes this object represent a sorted permutation of names.
VarSorter(const VarNames& names);
// Permute the variables according to the permutation generated at
// construction.
void permute(vector<mpz_class>& term);
void permute(Exponent* term);
void permute(TermTranslator* translator);
// Set the parameter equal the names this object represents in
// sorted order.
void getOrderedNames(VarNames& names);
private:
vector<size_t> _permutation;
VarNames _names;
vector<mpz_class> _bigTmpTerm;
Term _tmpTerm;
};
#endif
Term.h
VarNames.h
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
VarNames
Defines the variables of a polynomial ring and facilities IO involving them.
Definition VarNames.h:40
Exponent
unsigned int Exponent
Definition stdinc.h:89
VarSorter::_names
VarNames _names
Definition VarSorter.h:43
VarSorter::_bigTmpTerm
vector< mpz_class > _bigTmpTerm
Definition VarSorter.h:44
VarSorter::VarSorter
VarSorter(const VarNames &names)
Definition VarSorter.cpp:40
VarSorter::_permutation
vector< size_t > _permutation
Definition VarSorter.h:42
VarSorter::getOrderedNames
void getOrderedNames(VarNames &names)
Definition VarSorter.cpp:50
VarSorter::permute
void permute(vector< mpz_class > &term)
Definition VarSorter.cpp:56
VarSorter::_tmpTerm
Term _tmpTerm
Definition VarSorter.h:45