[simspark-cvs] simspark/spark/zeitgeist/randomserver randomserver.cpp,NONE,1.1 randomserver.h,NONE,1.1 randomserver_c.cpp,NONE,1.1

[Markus R. <rol...@us...>]

Update of /cvsroot/simspark/simspark/spark/zeitgeist/randomserver
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv11684/randomserver

Added Files:
	randomserver.cpp randomserver.h randomserver_c.cpp 
Log Message:


--- NEW FILE: randomserver.h ---
/* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*-

   this file is part of rcssserver3D
   Fri May 9 2003
   Copyright (C) 2002,2003 Koblenz University
   Copyright (C) 2004 RoboCup Soccer Server 3D Maintenance Group
   $Id: randomserver.h,v 1.1 2005/12/05 21:05:01 rollmark Exp $

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/
#ifndef ZEITGEIST_RANDOMSERVER_H
#define ZEITGEIST_RANDOMSERVER_H

#include <salt/random.h>
#include <zeitgeist/node.h>
#include <sys/time.h>

namespace zeitgeist
{

/** The random server provides access to the salt RandomEngine from with the
 *  zeitgeist framework. Additionally, it provides interfaces to set a seed
 *  and access some distributions.
 */
class RandomServer : public Node
{
public:
    /** constructs a RandomServer */
    RandomServer() {}

    virtual ~RandomServer()  {}

    /** set a random seed */
    void Seed(salt::RandomEngine::result_type seed)
    {
        if (seed == 0)
        {
            timeval tv;
            gettimeofday(&tv,0);
            seed = tv.tv_usec;
        }
        salt::RandomEngine::instance(seed);
    }

    /** get a uniformly distributed random number */
    template<class RealType>
    RealType GetUniformRandom(RealType min, RealType max) const
    {
        return salt::UniformRNG<RealType>(min,max)();
    }

    template<class RealType>
    RealType GetNormalRandom(RealType mean, RealType sigma) const
    {
        return salt::NormalRNG<RealType>(mean,sigma)();
    }

    template<class RealType>
    RealType GetExponentialRandom(RealType lambda) const
    {
        return salt::ExponentialRNG<RealType>(lambda)();
    }

};

DECLARE_CLASS(RandomServer);

} //namespace zeitgeist

#endif //ZEITGEIST_LOGSERVER_H

--- NEW FILE: randomserver_c.cpp ---
/* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*-

   this file is part of rcssserver3D
   Fri May 9 2003
   Copyright (C) 2002,2003 Koblenz University
   Copyright (C) 2004 RoboCup Soccer Server 3D Maintenance Group
   $Id: randomserver_c.cpp,v 1.1 2005/12/05 21:05:01 rollmark Exp $

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/
#include "randomserver.h"
#include <cmath>

using namespace boost;
using namespace zeitgeist;

FUNCTION(RandomServer,seed)
{
    int inSeed;

    if (
        (in.GetSize() != 1) ||
        (! in.GetValue(in.begin(),inSeed))
        )
        {
            return false;
        }

    obj->Seed(inSeed);
    return true;
}

FUNCTION(RandomServer,uniformRND)
{
    float inMin;
    float inMax;

    if (
        (in.GetSize() != 2) ||
        (! in.GetValue(in[0],inMin)) ||
        (! in.GetValue(in[1],inMax))
        )
        {
            return 0.0f;
        }

    return obj->GetUniformRandom(inMin,inMax);
}

FUNCTION(RandomServer,normalRND)
{
    float inMean;
    float inSigma;

    if (
        (in.GetSize() != 2) ||
        (! in.GetValue(in[0],inMean)) ||
        (! in.GetValue(in[1],inSigma))
        )
        {
            return 0.0f;
        }

    return obj->GetNormalRandom(inMean,inSigma);
}

FUNCTION(RandomServer,exponentialRND)
{
    float inLambda;

    if (
        (in.GetSize() != 1) ||
        (! in.GetValue(in[0],inLambda))
        )
        {
            return 0.0f;
        }

    return obj->GetExponentialRandom(inLambda);
}

void
CLASS(RandomServer)::DefineClass()
{
    DEFINE_BASECLASS(zeitgeist/Node);
    DEFINE_FUNCTION(seed);
    DEFINE_FUNCTION(uniformRND);
    DEFINE_FUNCTION(normalRND);
    DEFINE_FUNCTION(exponentialRND);
}

--- NEW FILE: randomserver.cpp ---
/* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*-

   this file is part of rcssserver3D
   Fri May 9 2003
   Copyright (C) 2002,2003 Koblenz University
   Copyright (C) 2004 RoboCup Soccer Server 3D Maintenance Group
   $Id: randomserver.cpp,v 1.1 2005/12/05 21:05:01 rollmark Exp $

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/
#include "randomserver.h"
#include <cmath>

#if 0
void
RandomServer::Seed(salt::RandomEngine::result_type seed)
{
    salt::RandomEngine.instance(seed);
}
#endif