val-commit.hpp

00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *
00006  *  Contributing authors:
00007  *     Gabor Szokoli <szokoli@gecode.org>
00008  *     Guido Tack <tack@gecode.org>
00009  *
00010  *  Copyright:
00011  *     Christian Schulte, 2012
00012  *     Gabor Szokoli, 2004
00013  *     Guido Tack, 2004
00014  *
00015  *  Last modified:
00016  *     $Date: 2017-02-16 12:11:51 +0100 (Thu, 16 Feb 2017) $ by $Author: schulte $
00017  *     $Revision: 15434 $
00018  *
00019  *  This file is part of Gecode, the generic constraint
00020  *  development environment:
00021  *     http://www.gecode.org
00022  *
00023  *  Permission is hereby granted, free of charge, to any person obtaining
00024  *  a copy of this software and associated documentation files (the
00025  *  "Software"), to deal in the Software without restriction, including
00026  *  without limitation the rights to use, copy, modify, merge, publish,
00027  *  distribute, sublicense, and/or sell copies of the Software, and to
00028  *  permit persons to whom the Software is furnished to do so, subject to
00029  *  the following conditions:
00030  *
00031  *  The above copyright notice and this permission notice shall be
00032  *  included in all copies or substantial portions of the Software.
00033  *
00034  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00035  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00036  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00037  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00038  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00039  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00040  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00041  *
00042  */
00043 
00044 namespace Gecode { namespace Set { namespace Branch {
00045 
00046   forceinline
00047   ValCommitInc::ValCommitInc(Space& home, const ValBranch<Var>& vb)
00048     : ValCommit<SetView,int>(home,vb) {}
00049   forceinline
00050   ValCommitInc::ValCommitInc(Space& home, bool shared, ValCommitInc& vc)
00051     : ValCommit<SetView,int>(home,shared,vc) {}
00052   forceinline ModEvent
00053   ValCommitInc::commit(Space& home, unsigned int a, SetView x, int, int n) {
00054     return (a == 0) ? x.include(home,n) : x.exclude(home,n);
00055   }
00056   forceinline NGL*
00057   ValCommitInc::ngl(Space& home, unsigned int a, SetView x, int n) const {
00058     if (a == 0)
00059       return new (home) IncNGL(home,x,n);
00060     else
00061       return NULL;
00062   }
00063   forceinline void
00064   ValCommitInc::print(const Space&, unsigned int a, SetView, int i, int n,
00065                       std::ostream& o) const {
00066     o << "var[" << i << "]."
00067       << ((a == 0) ? "include" : "exclude") << "(" << n << ")";
00068   }
00069 
00070   forceinline
00071   ValCommitExc::ValCommitExc(Space& home, const ValBranch<Var>& vb)
00072     : ValCommit<SetView,int>(home,vb) {}
00073   forceinline
00074   ValCommitExc::ValCommitExc(Space& home, bool shared, ValCommitExc& vc)
00075     : ValCommit<SetView,int>(home,shared,vc) {}
00076   forceinline ModEvent
00077   ValCommitExc::commit(Space& home, unsigned int a, SetView x, int, int n) {
00078     return (a == 0) ? x.exclude(home,n) : x.include(home,n);
00079   }
00080   forceinline NGL*
00081   ValCommitExc::ngl(Space& home, unsigned int a, SetView x, int n) const {
00082     if (a == 0)
00083       return new (home) ExcNGL(home,x,n);
00084     else
00085       return NULL;
00086   }
00087   forceinline void
00088   ValCommitExc::print(const Space&, unsigned int a, SetView, int i, int n,
00089                       std::ostream& o) const {
00090     o << "var[" << i << "]."
00091       << ((a == 0) ? "exclude" : "include") << "(" << n << ")";
00092   }
00093 
00094 }}}
00095 
00096 // STATISTICS: set-branch
00097