fzn-gecode.cpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Guido Tack <tack@gecode.org>
*
* Copyright:
* Guido Tack, 2007
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <iostream>
#include <fstream>
#include <gecode/flatzinc.hh>
using namespace std;
using namespace Gecode;
int main(int argc, char** argv) {
Support::Timer t_total;
t_total.start();
FlatZinc::FlatZincOptions opt("Gecode/FlatZinc");
opt.parse(argc, argv);
if (argc!=2) {
cerr << "Usage: " << argv[0] << " [options] <file>" << endl;
cerr << " " << argv[0] << " -help for more information" << endl;
exit(EXIT_FAILURE);
}
const char* filename = argv[1];
opt.name(filename);
FlatZinc::Printer p;
FlatZinc::FlatZincSpace* fg = NULL;
Rnd rnd(opt.seed());
try {
if (!strcmp(filename, "-")) {
fg = FlatZinc::parse(cin, p, std::cerr, NULL, rnd);
} else {
fg = FlatZinc::parse(filename, p, std::cerr, NULL, rnd);
}
if (fg) {
fg->createBranchers(p, fg->solveAnnotations(), opt,
false, std::cerr);
fg->shrinkArrays(p);
if (opt.output()) {
std::ofstream os(opt.output());
if (!os.good()) {
std::cerr << "Could not open file " << opt.output() << " for output."
<< std::endl;
exit(EXIT_FAILURE);
}
fg->run(os, p, opt, t_total);
os.close();
} else {
fg->run(std::cout, p, opt, t_total);
}
} else {
exit(EXIT_FAILURE);
}
delete fg;
} catch (FlatZinc::Error& e) {
std::cerr << "Error: " << e.toString() << std::endl;
return 1;
}
return 0;
}
// STATISTICS: flatzinc-any
Gecode::FlatZinc::Error
Exception class for FlatZinc errors
Definition flatzinc.hh:665
Gecode::FlatZinc::Error::toString
const std::string & toString(void) const
Definition flatzinc.hh:671
Gecode::FlatZinc::FlatZincOptions
Options for running FlatZinc models
Definition flatzinc.hh:226
Gecode::FlatZinc::FlatZincSpace
A space that can be initialized with a FlatZinc model.
Definition flatzinc.hh:428
Gecode::FlatZinc::FlatZincSpace::createBranchers
void createBranchers(Printer &p, AST::Node *ann, FlatZincOptions &opt, bool ignoreUnknown, std::ostream &err=std::cerr)
Create branchers corresponding to the solve item annotations.
Definition flatzinc.cpp:1037
Gecode::FlatZinc::FlatZincSpace::shrinkArrays
void shrinkArrays(Printer &p)
Remove all variables not needed for output.
Definition flatzinc.cpp:2111
Gecode::FlatZinc::FlatZincSpace::run
void run(std::ostream &out, const Printer &p, const FlatZincOptions &opt, Gecode::Support::Timer &t_total)
Run the search.
Definition flatzinc.cpp:1967
Gecode::FlatZinc::FlatZincSpace::solveAnnotations
AST::Array * solveAnnotations(void) const
Return the solve item annotations.
Definition flatzinc.cpp:1597
Gecode::FlatZinc::Printer
Output support class for FlatZinc interpreter.
Definition flatzinc.hh:107
Gecode::Rnd
Random number generator.
Definition rnd.hpp:42
Gecode::Support::Timer
Timer
Definition timer.hpp:51
Gecode::Support::Timer::start
void start(void)
Start timer.
Definition timer.hpp:66
Test::Options::parse
void parse(int argc, char *argv[])
Parse commandline arguments.
Definition test.cpp:120
Test::Options::seed
unsigned int seed
The random seed to be used.
Definition test.hh:79
main
int main(int argc, char **argv)
Definition fzn-gecode.cpp:41
flatzinc.hh
Gecode::FlatZinc::parse
GECODE_FLATZINC_EXPORT FlatZincSpace * parse(const std::string &fileName, Printer &p, std::ostream &err=std::cerr, FlatZincSpace *fzs=NULL, Rnd &rnd=defrnd)
Parse FlatZinc file fileName into fzs and return it.
Gecode
Gecode toplevel namespace
std
Definition flatzinc.cpp:52