dom.cc

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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: 2008-02-18 08:02:14 +0100 (Mon, 18 Feb 2008) $ by $Author: schulte $
 *     $Revision: 6199 $
 *
 *  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
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 *  permit persons to whom the Software is furnished to do so, subject to
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 *  included in all copies or substantial portions of the Software.
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 */


#include "gecode/int/dom.hh"

namespace Gecode {

  using namespace Int;

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

  void
  dom(Space* home, const IntVarArgs& x, int min, int max, IntConLevel, PropKind) {
    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(home,xv.gq(home,min));
      GECODE_ME_FAIL(home,xv.lq(home,max));
    }
  }

  void
  dom(Space* home, IntVar x, const IntSet& is, IntConLevel, PropKind) {
    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(home,xv.inter_r(home,ris,false));
  }

  void
  dom(Space* home, const IntVarArgs& x, const IntSet& is, IntConLevel, PropKind) {
    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(home,xv.inter_r(home,ris,false));
    }
  }

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


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

  namespace {
    GECODE_REGISTER1(Dom::ReRange<IntView>);
    GECODE_REGISTER1(Dom::ReIntSet<IntView>);
  }

}

// STATISTICS: int-post