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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main authors: * Christian Schulte <schulte@gecode.org> * * Copyright: * Christian Schulte, 2012 * * 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 <gecode/set/branch.hh>
namespace Gecode {
void branch(Home home, const SetVarArgs& x, SetVarBranch vars, SetValBranch vals, SetBranchFilter bf, SetVarValPrint vvp) { using namespace Set; if (home.failed()) return; vars.expand(home,x); ViewArray<SetView> xv(home,x); ViewSel<SetView>* vs[1] = { Branch::viewsel(home,vars) }; postviewvalbrancher<SetView,1,int,2> (home,xv,vs,Branch::valselcommit(home,vals),bf,vvp); }
void branch(Home home, const SetVarArgs& x, TieBreak<SetVarBranch> vars, SetValBranch vals, SetBranchFilter bf, SetVarValPrint vvp) { using namespace Set; if (home.failed()) return; vars.a.expand(home,x); if ((vars.a.select() == SetVarBranch::SEL_NONE) || (vars.a.select() == SetVarBranch::SEL_RND)) vars.b = SET_VAR_NONE(); vars.b.expand(home,x); if ((vars.b.select() == SetVarBranch::SEL_NONE) || (vars.b.select() == SetVarBranch::SEL_RND)) vars.c = SET_VAR_NONE(); vars.c.expand(home,x); if ((vars.c.select() == SetVarBranch::SEL_NONE) || (vars.c.select() == SetVarBranch::SEL_RND)) vars.d = SET_VAR_NONE(); vars.d.expand(home,x); if (vars.b.select() == SetVarBranch::SEL_NONE) { branch(home,x,vars.a,vals,bf,vvp); } else { ViewArray<SetView> xv(home,x); ValSelCommitBase<SetView,int>* vsc = Branch::valselcommit(home,vals); if (vars.c.select() == SetVarBranch::SEL_NONE) { ViewSel<SetView>* vs[2] = { Branch::viewsel(home,vars.a),Branch::viewsel(home,vars.b) }; postviewvalbrancher<SetView,2,int,2>(home,xv,vs,vsc,bf,vvp); } else if (vars.d.select() == SetVarBranch::SEL_NONE) { ViewSel<SetView>* vs[3] = { Branch::viewsel(home,vars.a),Branch::viewsel(home,vars.b), Branch::viewsel(home,vars.c) }; postviewvalbrancher<SetView,3,int,2>(home,xv,vs,vsc,bf,vvp); } else { ViewSel<SetView>* vs[4] = { Branch::viewsel(home,vars.a),Branch::viewsel(home,vars.b), Branch::viewsel(home,vars.c),Branch::viewsel(home,vars.d) }; postviewvalbrancher<SetView,4,int,2>(home,xv,vs,vsc,bf,vvp); } } }
void branch(Home home, SetVar x, SetValBranch vals, SetVarValPrint vvp) { SetVarArgs xv(1); xv[0]=x; branch(home, xv, SET_VAR_NONE(), vals, nullptr, vvp); }
void assign(Home home, const SetVarArgs& x, SetVarBranch vars, SetAssign vals, SetBranchFilter bf, SetVarValPrint vvp) { using namespace Set; if (home.failed()) return; ViewArray<SetView> xv(home,x); ViewSel<SetView>* vs[1] = { new (home) ViewSelNone<SetView>(home,vars) }; postviewvalbrancher<SetView,1,int,1> (home,xv,vs,Branch::valselcommit(home,vals),bf,vvp); }
void assign(Home home, const SetVarArgs& x, TieBreak<SetVarBranch> vars, SetAssign vals, SetBranchFilter bf, SetVarValPrint vvp) { using namespace Set; if (home.failed()) return; vars.a.expand(home,x); if ((vars.a.select() == SetVarBranch::SEL_NONE) || (vars.a.select() == SetVarBranch::SEL_RND)) vars.b = SET_VAR_NONE(); vars.b.expand(home,x); if ((vars.b.select() == SetVarBranch::SEL_NONE) || (vars.b.select() == SetVarBranch::SEL_RND)) vars.c = SET_VAR_NONE(); vars.c.expand(home,x); if ((vars.c.select() == SetVarBranch::SEL_NONE) || (vars.c.select() == SetVarBranch::SEL_RND)) vars.d = SET_VAR_NONE(); vars.d.expand(home,x); if (vars.b.select() == SetVarBranch::SEL_NONE) { assign(home,x,vars.a,vals,bf,vvp); } else { ViewArray<SetView> xv(home,x); ValSelCommitBase<SetView,int>* vsc = Branch::valselcommit(home,vals); if (vars.c.select() == SetVarBranch::SEL_NONE) { ViewSel<SetView>* vs[2] = { Branch::viewsel(home,vars.a),Branch::viewsel(home,vars.b) }; postviewvalbrancher<SetView,2,int,1>(home,xv,vs,vsc,bf,vvp); } else if (vars.d.select() == SetVarBranch::SEL_NONE) { ViewSel<SetView>* vs[3] = { Branch::viewsel(home,vars.a),Branch::viewsel(home,vars.b), Branch::viewsel(home,vars.c) }; postviewvalbrancher<SetView,3,int,1>(home,xv,vs,vsc,bf,vvp); } else { ViewSel<SetView>* vs[4] = { Branch::viewsel(home,vars.a),Branch::viewsel(home,vars.b), Branch::viewsel(home,vars.c),Branch::viewsel(home,vars.d) }; postviewvalbrancher<SetView,4,int,1>(home,xv,vs,vsc,bf,vvp); } } }
void assign(Home home, SetVar x, SetAssign vars, SetVarValPrint vvp) { SetVarArgs xv(1); xv[0]=x; assign(home, xv, SET_VAR_NONE(), vars, nullptr, vvp); }
}
// STATISTICS: set-post