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eodev/eo/src/eo1dWDistance.h

136 lines
4 KiB
C++

/* -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
-----------------------------------------------------------------------------
eo1dWDistance.h
Serial EO with distances. Acts as a wrapper for normal eo1ds
(c) GeNeura Team, 1998
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 _EO1DWDISTANCE_H
#define _EO1DWDISTANCE_H
#include <iostream> // for ostream
// EO Includes
#include <eo1d.h>
#include <eoDistance.h>
using namespace std;
/** eo1dWDistance: wraps around eo1ds and adds the possibility of computing distances
around them.
*/
template<class T, class fitnessT = float>
class eo1dWDistance:
public eo1d< T,fitnessT >,
public eoDistance<eo1d<T,fitnessT> > {
public:
/** Can be used as default ctor; should be called from derived
classes. Fitness should be at birth
*/
eo1dWDistance( eo1d<T,fitnessT>& _eo)
:eo1d<T,fitnessT> (), eoDistance< eo1d<T,fitnessT> >(), innereo1d( _eo ) {};
/// Needed virtual dtor
virtual ~eo1dWDistance(){};
/** Reads and returns a copy of the gene in position _i
This implies that T must have a copy ctor .
@param _i index of the gene, which is the minimal unit. Must be
an unsigned less than #length()#
@return what's inside the gene, with the correct type
@exception out_of_range if _i > size()
*/
virtual T getGene( unsigned _i ) const {
return innereo1d.getGene( _i );
};
/** Overwrites the gene placed in position _i with a
* new value. This means that the assignment operator
* for T must be defined .
@param _i index
@return what's inside the gene, with the correct type
@exception out_of_range if _i > size()
*/
virtual void setGene( unsigned _i, const T& _value ) {
innereo1d.setGene( _i, _value);
};
/** Inserts a gene, moving the rest to the right. If
* _i = length(), it should insert it at the end.
* Obviously, changes length
@param _i index
@param _val new value
*/
virtual void insertGene( unsigned _i, T _val ) {
innereo1d.insertGene( _i, _val);
}
/** Eliminates the gene at position _i; all the other genes will
be shifted left
@param _i index of the gene that is going to be modified.
*/
virtual void deleteGene( unsigned _i ) {
innereo1d.deleteGene( _i );
}
/// Returns the number of genes in the eo1d
virtual unsigned length() const {
return innereo1d.length();
}
/// Returns the distance from this EO to the other
virtual double distance( const eo1d<T,fitnessT>& _eo ) const {
double tmp = 0;
// Which one is shorter
unsigned len = (innereo1d.length() < _eo.length()) ? _eo.length():innereo1d.length();
// Compute over the whole length. If it does not exists, it counts as 0
for ( unsigned i = 0; i < len; i ++ ) {
T val1, val2;
val1 = ( i > innereo1d.length())?0:innereo1d.getGene(i);
val2 = ( i > _eo.length() )?0:_eo.getGene(i);
double diff = val1 - val2;
tmp += diff*diff;
}
return tmp;
}
/** Inherited from eoObject
@see eoObject
*/
string className() const {return "eo1dWDistance";};
//@}
private:
///Private ctor. Do not use
eo1dWDistance() {};
eo1d<T,fitnessT>& innereo1d;
};
//@}
#endif