dom.cpp

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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
 *  Main authors:
 *     Christian Schulte <schulte@gecode.org>
 *
 *  Copyright:
 *     Christian Schulte, 2004
 *
 *  Last modified:
 *     $Date: 2010-03-03 17:40:32 +0100 (Wed, 03 Mar 2010) $ by $Author: schulte $
 *     $Revision: 10365 $
 *
 *  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
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 */


#include <gecode/int/dom.hh>
#include <gecode/int/rel.hh>

namespace Gecode {

  using namespace Int;

  void
  dom(Home home, IntVar x, int n, IntConLevel) {
    Limits::check(n,"Int::dom");
    if (home.failed()) return;
    IntView xv(x);
    GECODE_ME_FAIL(xv.eq(home,n));
  }

  void
  dom(Home home, const IntVarArgs& x, int n, IntConLevel) {
    Limits::check(n,"Int::dom");
    if (home.failed()) return;
    for (int i=x.size(); i--; ) {
      IntView xv(x[i]);
      GECODE_ME_FAIL(xv.eq(home,n));
    }
  }

  void
  dom(Home home, IntVar x, int min, int max, IntConLevel) {
    Limits::check(min,"Int::dom");
    Limits::check(max,"Int::dom");
    if (home.failed()) return;
    IntView xv(x);
    GECODE_ME_FAIL(xv.gq(home,min));
    GECODE_ME_FAIL(xv.lq(home,max));
  }

  void
  dom(Home home, const IntVarArgs& x, int min, int max, IntConLevel) {
    Limits::check(min,"Int::dom");
    Limits::check(max,"Int::dom");
    if (home.failed()) return;
    for (int i=x.size(); i--; ) {
      IntView xv(x[i]);
      GECODE_ME_FAIL(xv.gq(home,min));
      GECODE_ME_FAIL(xv.lq(home,max));
    }
  }

  void
  dom(Home home, IntVar x, const IntSet& is, IntConLevel) {
    Limits::check(is.min(),"Int::dom");
    Limits::check(is.max(),"Int::dom");
    if (home.failed()) return;
    IntView xv(x);
    IntSetRanges ris(is);
    GECODE_ME_FAIL(xv.inter_r(home,ris,false));
  }

  void
  dom(Home home, const IntVarArgs& x, const IntSet& is, IntConLevel) {
    Limits::check(is.min(),"Int::dom");
    Limits::check(is.max(),"Int::dom");
    if (home.failed()) return;
    for (int i = x.size(); i--; ) {
      IntSetRanges ris(is);
      IntView xv(x[i]);
      GECODE_ME_FAIL(xv.inter_r(home,ris,false));
    }
  }

  void
  dom(Home home, IntVar x, int n, BoolVar b, IntConLevel) {
    Limits::check(n,"Int::dom");
    if (home.failed()) return;
    GECODE_ES_FAIL((Rel::ReEqDomInt<IntView,BoolView>::post(home,x,n,b)));
  }

  void
  dom(Home home, IntVar x, int min, int max, BoolVar b, IntConLevel) {
    Limits::check(min,"Int::dom");
    Limits::check(max,"Int::dom");
    if (home.failed()) return;
    GECODE_ES_FAIL(Dom::ReRange<IntView>::post(home,x,min,max,b));
  }


  void
  dom(Home home, IntVar x, const IntSet& is, BoolVar b, IntConLevel) {
    Limits::check(is.min(),"Int::dom");
    Limits::check(is.max(),"Int::dom");
    if (home.failed()) return;
    GECODE_ES_FAIL(Dom::ReIntSet<IntView>::post(home,x,is,b));
  }

}

// STATISTICS: int-post