66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
/** -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
|
|
|
|
-----------------------------------------------------------------------------
|
|
eoEvalFuncPtr.h
|
|
Converts a classical C fitness evaluation function into a fitness
|
|
evaluation object
|
|
|
|
(c) GeNeura Team, 2000
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
This library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
Contact: todos@geneura.ugr.es, http://geneura.ugr.es
|
|
*/
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#ifndef EOEVALFUNCPTR_H
|
|
#define EOEVALFUNCPTR_H
|
|
|
|
#include <eoEvalFunc.h>
|
|
|
|
/** EOEvalFuncPtr: This class
|
|
* takes an existing function pointer and converts it into a evaluation
|
|
* function class. That way, old style C or C++ functions can be adapted to EO
|
|
* function classes.
|
|
*/
|
|
#ifdef _MSC_VER
|
|
template< class EOT, class FitT = EOT::Fitness, class FunctionArg = const EOT& >
|
|
#else
|
|
template< class EOT, class FitT = typename EOT::Fitness, class FunctionArg = const EOT& >
|
|
#endif
|
|
struct eoEvalFuncPtr: public eoEvalFunc<EOT> {
|
|
|
|
/** Applies the function to the chromosome and sets the fitness of the
|
|
Chrom. Thus, the evaluation function need not be worried about that.
|
|
@param _eval pointer to the evaluation function, takes a EOT as an
|
|
argument and returns the fitness
|
|
@return the evaluated fitness for that object.
|
|
*/
|
|
eoEvalFuncPtr( FitT (* _eval)( FunctionArg ) )
|
|
: eoEvalFunc<EOT>(), evalFunc( _eval ) {};
|
|
|
|
/// Effectively applies the evaluation function to an EO
|
|
virtual void operator() ( EOT & _eo )
|
|
{
|
|
if (_eo.invalid())
|
|
_eo.fitness((*evalFunc)( _eo ));
|
|
};
|
|
|
|
private:
|
|
FitT (* evalFunc )( FunctionArg );
|
|
};
|
|
|
|
#endif
|
|
|