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transcendental.hh

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Vincent Barichard <Vincent.Barichard@univ-angers.fr>
00005  *
00006  *  Copyright:
00007  *     Vincent Barichard, 2012
00008  *
00009  *  This file is part of Gecode, the generic constraint
00010  *  development environment:
00011  *     http://www.gecode.org
00012  *
00013  *  Permission is hereby granted, free of charge, to any person obtaining
00014  *  a copy of this software and associated documentation files (the
00015  *  "Software"), to deal in the Software without restriction, including
00016  *  without limitation the rights to use, copy, modify, merge, publish,
00017  *  distribute, sublicense, and/or sell copies of the Software, and to
00018  *  permit persons to whom the Software is furnished to do so, subject to
00019  *  the following conditions:
00020  *
00021  *  The above copyright notice and this permission notice shall be
00022  *  included in all copies or substantial portions of the Software.
00023  *
00024  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00025  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00026  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00027  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00028  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00029  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00030  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00031  *
00032  */
00033 
00034 #ifndef __GECODE_FLOAT_TRANSCENDENTAL_HH__
00035 #define __GECODE_FLOAT_TRANSCENDENTAL_HH__
00036 
00037 #include <gecode/float.hh>
00038 
00044 namespace Gecode { namespace Float { namespace Transcendental {
00045 
00054   template<class A, class B>
00055   class Exp : public MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND> {
00056   protected:
00057     using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x0;
00058     using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x1;
00059 
00061     Exp(Space& home, Exp& p);
00063     Exp(Home home, A x0, B x1);
00064   public:
00066     virtual Actor* copy(Space& home);
00068     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00070     static ExecStatus post(Home home, A x0, B x1);
00071   };
00072 
00073 
00082   template<class A, class B>
00083   class Pow : public MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND> {
00084   protected:
00085     using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x0;
00086     using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x1;
00087     FloatNum base;
00088 
00090     Pow(Space& home, Pow& p);
00092     Pow(Home home, FloatNum base, A x0, B x1);
00093   public:
00095     virtual Actor* copy(Space& home);
00097     virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
00099     static ExecStatus post(Home home, FloatNum base, A x0, B x1);
00100   };
00101 
00102 }}}
00103 
00104 #include <gecode/float/transcendental/exp-log.hpp>
00105 
00106 #endif
00107 
00108 // STATISTICS: float-prop