Generated on Fri Oct 19 11:24:54 2018 for Gecode by doxygen 1.6.3

val-sel.hpp

Go to the documentation of this file.
00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *     Vincent Barichard <Vincent.Barichard@univ-angers.fr>
00006  *
00007  *  Copyright:
00008  *     Christian Schulte, 2012
00009  *     Vincent Barichard, 2012
00010  *
00011  *  This file is part of Gecode, the generic constraint
00012  *  development environment:
00013  *     http://www.gecode.org
00014  *
00015  *  Permission is hereby granted, free of charge, to any person obtaining
00016  *  a copy of this software and associated documentation files (the
00017  *  "Software"), to deal in the Software without restriction, including
00018  *  without limitation the rights to use, copy, modify, merge, publish,
00019  *  distribute, sublicense, and/or sell copies of the Software, and to
00020  *  permit persons to whom the Software is furnished to do so, subject to
00021  *  the following conditions:
00022  *
00023  *  The above copyright notice and this permission notice shall be
00024  *  included in all copies or substantial portions of the Software.
00025  *
00026  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00027  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00028  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00029  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00030  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00031  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00032  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00033  *
00034  */
00035 
00036 namespace Gecode {
00037 
00038   forceinline Archive&
00039   operator <<(Archive& e, FloatNumBranch nl) {
00040     return e << nl.n << nl.l;
00041   }
00042 
00043   forceinline Archive&
00044   operator >>(Archive& e, FloatNumBranch& nl) {
00045     return e >> nl.n >> nl.l;
00046   }
00047 
00048 }
00049 
00050 namespace Gecode { namespace Float { namespace Branch {
00051 
00052   forceinline
00053   ValSelLq::ValSelLq(Space& home, const ValBranch<Var>& vb)
00054     : ValSel<FloatView,FloatNumBranch>(home,vb) {}
00055   forceinline
00056   ValSelLq::ValSelLq(Space& home, ValSelLq& vs)
00057     : ValSel<FloatView,FloatNumBranch>(home,vs) {}
00058   forceinline FloatNumBranch
00059   ValSelLq::val(const Space&, FloatView x, int) {
00060     FloatNumBranch nl;
00061     nl.n = x.med(); nl.l = true;
00062     return nl;
00063   }
00064 
00065   forceinline
00066   ValSelGq::ValSelGq(Space& home, const ValBranch<Var>& vb)
00067     : ValSel<FloatView,FloatNumBranch>(home,vb) {}
00068   forceinline
00069   ValSelGq::ValSelGq(Space& home, ValSelGq& vs)
00070     : ValSel<FloatView,FloatNumBranch>(home,vs) {}
00071   forceinline FloatNumBranch
00072   ValSelGq::val(const Space&, FloatView x, int) {
00073     FloatNumBranch nl;
00074     nl.n = x.med(); nl.l = false;
00075     return nl;
00076   }
00077 
00078   forceinline
00079   ValSelRnd::ValSelRnd(Space& home, const ValBranch<Var>& vb)
00080     : ValSel<FloatView,FloatNumBranch>(home,vb), r(vb.rnd()) {}
00081   forceinline
00082   ValSelRnd::ValSelRnd(Space& home, ValSelRnd& vs)
00083     : ValSel<FloatView,FloatNumBranch>(home,vs), r(vs.r) {
00084   }
00085   forceinline FloatNumBranch
00086   ValSelRnd::val(const Space&, FloatView x, int) {
00087     FloatNumBranch nl;
00088     nl.n = x.med(); nl.l = (r(2U) == 0U);
00089     return nl;
00090   }
00091   forceinline bool
00092   ValSelRnd::notice(void) const {
00093     return true;
00094   }
00095   forceinline void
00096   ValSelRnd::dispose(Space&) {
00097     r.~Rnd();
00098   }
00099 
00100 }}}
00101 
00102 // STATISTICS: float-branch
00103