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Jip J. Dekker 1d9faf38de Squashed 'software/gecode/' content from commit 313e8764
git-subtree-dir: software/gecode
git-subtree-split: 313e87646da4fc2752a70e83df16d993121a8e40
2021-06-16 14:02:33 +10:00

137 lines
4.1 KiB
C++

/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Guido Tack <tack@gecode.org>
* Gabor Szokoli <szokoli@gecode.org>
*
* Copyright:
* Guido Tack, 2004, 2005
* Gabor Szokoli, 2004
*
* 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 <sstream>
namespace Gecode { namespace Set {
/// Print bound of a set view or variable
template<class Char, class Traits, class I>
void
printBound(std::basic_ostream<Char,Traits>& s, I& r) {
s << '{';
while (r()) {
if (r.min() == r.max()) {
s << r.min();
} else if (r.min()+1 == r.max()) {
s << r.min() << "," << r.max();
} else {
s << r.min() << ".." << r.max();
}
++r;
if (!r()) break;
s << ',';
}
s << '}';
}
/// Print set view
template<class Char, class Traits, class IL, class IU>
void
print(std::basic_ostream<Char,Traits>& s, bool assigned, IL& lb, IU& ub,
unsigned int cardMin, unsigned int cardMax) {
if (assigned) {
printBound(s, ub);
} else {
printBound(s,lb);
s << "..";
printBound(s,ub);
if (cardMin==cardMax) {
s << "#(" << cardMin << ")";
} else {
s << "#(" << cardMin << "," << cardMax << ")";
}
}
}
template<class Char, class Traits>
std::basic_ostream<Char,Traits>&
operator <<(std::basic_ostream<Char,Traits>& os, const SetView& x) {
std::basic_ostringstream<Char,Traits> s;
s.copyfmt(os); s.width(0);
LubRanges<SetView> ub(x);
GlbRanges<SetView> lb(x);
print(s, x.assigned(), lb, ub, x.cardMin(), x.cardMax()) ;
return os << s.str();
}
template<class Char, class Traits>
inline std::basic_ostream<Char,Traits>&
operator <<(std::basic_ostream<Char,Traits>& os, const EmptyView&) {
return os << "{}#0";
}
template<class Char, class Traits>
std::basic_ostream<Char,Traits>&
operator <<(std::basic_ostream<Char,Traits>& os, const UniverseView&) {
std::basic_ostringstream<Char,Traits> s;
s.copyfmt(os); s.width(0);
s << "{" << Gecode::Set::Limits::min << ".."
<< Gecode::Set::Limits::max << "}#("
<< Gecode::Set::Limits::card << ")";
return os << s.str();
}
template<class Char, class Traits>
std::basic_ostream<Char,Traits>&
operator <<(std::basic_ostream<Char,Traits>& os, const ConstSetView& x) {
std::basic_ostringstream<Char,Traits> s;
s.copyfmt(os); s.width(0);
LubRanges<ConstSetView> ub(x);
printBound(s, ub);
s << "#(" << x.cardMin() << ")";
return os << s.str();
}
template<class Char, class Traits>
std::basic_ostream<Char,Traits>&
operator <<(std::basic_ostream<Char,Traits>& os, const SingletonView& x) {
std::basic_ostringstream<Char,Traits> s;
s.copyfmt(os); s.width(0);
if (x.assigned()) {
s << "{" << x.glbMin() << "}#(1)";
} else {
LubRanges<SingletonView> ub(x);
s << "{}..";
printBound(s, ub);
s << "#(1)";
}
return os << s.str();
}
}}
// STATISTICS: set-var