transcendental.hh

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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
 *  Main authors:
 *     Vincent Barichard <Vincent.Barichard@univ-angers.fr>
 *
 *  Copyright:
 *     Vincent Barichard, 2012
 *
 *  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
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 */

#ifndef __GECODE_FLOAT_TRANSCENDENTAL_HH__
#define __GECODE_FLOAT_TRANSCENDENTAL_HH__

#include <gecode/float.hh>

namespace Gecode { namespace Float { namespace Transcendental {

  template<class A, class B>
  class Exp : public MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND> {
  protected:
    using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x0;
    using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x1;

    Exp(Space& home, Exp& p);
    Exp(Home home, A x0, B x1);
  public:
    virtual Actor* copy(Space& home);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static ExecStatus post(Home home, A x0, B x1);
  };


  template<class A, class B>
  class Pow : public MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND> {
  protected:
    using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x0;
    using MixBinaryPropagator<A,PC_FLOAT_BND,B,PC_FLOAT_BND>::x1;
    FloatNum base;

    Pow(Space& home, Pow& p);
    Pow(Home home, FloatNum base, A x0, B x1);
  public:
    virtual Actor* copy(Space& home);
    virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
    static ExecStatus post(Home home, FloatNum base, A x0, B x1);
  };

}}}

#include <gecode/float/transcendental/exp-log.hpp>

#endif

// STATISTICS: float-prop