text: /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
  /*
   *  Main authors:
   *     Christian Schulte <schulte@gecode.org>
   *
   *  Copyright:
   *     Christian Schulte, 2012
   *
   *  Last modified:
   *     $Date$ by $Author$
   *     $Revision$
   *
   *  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/float/branch.hh>
  
  namespace Gecode {
  
    BrancherHandle
    branch(Home home, const FloatVarArgs& x,
           FloatVarBranch vars, FloatValBranch vals, 
           FloatBranchFilter bf, FloatVarValPrint vvp) {
      using namespace Float;
      if (home.failed()) return BrancherHandle();
      vars.expand(home,x);
      ViewArray<FloatView> xv(home,x);
      ViewSel<FloatView>* vs[1] = { 
        Branch::viewsel(home,vars) 
      };
      return ViewValBrancher<FloatView,1,FloatNumBranch,2>::post
        (home,xv,vs,Branch::valselcommit(home,vals),bf,vvp);
    }
  
    BrancherHandle
    branch(Home home, const FloatVarArgs& x,
           TieBreak<FloatVarBranch> vars, FloatValBranch vals, 
           FloatBranchFilter bf, FloatVarValPrint vvp) {
      using namespace Float;
      if (home.failed()) return BrancherHandle();
      vars.a.expand(home,x);
      if ((vars.a.select() == FloatVarBranch::SEL_NONE) ||
          (vars.a.select() == FloatVarBranch::SEL_RND))
        vars.b = FLOAT_VAR_NONE();
      vars.b.expand(home,x);
      if ((vars.b.select() == FloatVarBranch::SEL_NONE) ||
          (vars.b.select() == FloatVarBranch::SEL_RND))
        vars.c = FLOAT_VAR_NONE();
      vars.c.expand(home,x);
      if ((vars.c.select() == FloatVarBranch::SEL_NONE) ||
          (vars.c.select() == FloatVarBranch::SEL_RND))
        vars.d = FLOAT_VAR_NONE();
      vars.d.expand(home,x);
      if (vars.b.select() == FloatVarBranch::SEL_NONE) {
        return branch(home,x,vars.a,vals,bf,vvp);
      } else {
        ViewArray<FloatView> xv(home,x);
        ValSelCommitBase<FloatView,FloatNumBranch>* 
          vsc = Branch::valselcommit(home,vals); 
        if (vars.c.select() == FloatVarBranch::SEL_NONE) {
          ViewSel<FloatView>* vs[2] = { 
            Branch::viewsel(home,vars.a),Branch::viewsel(home,vars.b)
          };
          return ViewValBrancher<FloatView,2,FloatNumBranch,2>
            ::post(home,xv,vs,vsc,bf,vvp);
        } else if (vars.d.select() == FloatVarBranch::SEL_NONE) {
          ViewSel<FloatView>* vs[3] = { 
            Branch::viewsel(home,vars.a),Branch::viewsel(home,vars.b),
            Branch::viewsel(home,vars.c)
          };
          return ViewValBrancher<FloatView,3,FloatNumBranch,2>
            ::post(home,xv,vs,vsc,bf,vvp);
        } else {
          ViewSel<FloatView>* vs[4] = { 
            Branch::viewsel(home,vars.a),Branch::viewsel(home,vars.b),
            Branch::viewsel(home,vars.c),Branch::viewsel(home,vars.d)
          };
          return ViewValBrancher<FloatView,4,FloatNumBranch,2>
            ::post(home,xv,vs,vsc,bf,vvp);
        }
      }
    }
  
    BrancherHandle
    branch(Home home, FloatVar x, FloatValBranch vals, FloatVarValPrint vvp) {
      FloatVarArgs xv(1); xv[0]=x;
      return branch(home, xv, FLOAT_VAR_NONE(), vals, NULL, vvp);
    }
    
    BrancherHandle
    assign(Home home, const FloatVarArgs& x, FloatAssign fa,
           FloatBranchFilter bf, FloatVarValPrint vvp) {
      using namespace Float;
      if (home.failed()) return BrancherHandle();
      ViewArray<FloatView> xv(home,x);
      ViewSel<FloatView>* vs[1] = { 
        new (home) ViewSelNone<FloatView>(home,FLOAT_VAR_NONE())
      };
      return ViewValBrancher<FloatView,1,FloatNumBranch,1>::post
        (home,xv,vs,Branch::valselcommit(home,fa),bf,vvp);
    }
  
    BrancherHandle
    assign(Home home, FloatVar x, FloatAssign fa, FloatVarValPrint vvp) {
      FloatVarArgs xv(1); xv[0]=x;
      return assign(home, xv, fa, NULL, vvp);
    }
    
  }
  
  // STATISTICS: float-post
  