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Adding an interface for 2-dimensional chromosomes

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victor 1999-09-29 11:43:34 +00:00
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
/*
-----------------------------------------------------------------------------
File............: eo2d.h
Author..........: Geneura Team (this file: Victor Rivas, vrivas@ujaen.es)
Date............: 21-Sep-1999, at Fac. of Sciences, Univ. de Granada
Description.....: Implementation of a 2-dimensional chromosome.
================ Modif. 1 ================
Author........:
Date..........:
Description...:
-----------------------------------------------------------------------------
*/
//-----------------------------------------------------------------------------
// eo2d.h
// (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 _EO2D_H
#define _EO2D_H
#include <iostream> // for ostream
#include <vector>
// EO Includes
#include <EO.h>
#include <eoRnd.h>
using namespace std;
/** @name eo2d class
* Randomly accesible evolvable object with two dimension, with
variable length each of them.
* Use this if you want to evolve "two-dimensional" things, like bit arrays, or
floating-point arrays. If you don't, subclass directly from EO
* @see EO
* @author GeNeura
* @version 0.2
*/
//@{
/** eo2d: Base class for "chromosomes" with a double dimension
#T# is the type it will be instantiated with; this type must have, at
least, a copy ctor, assignment operators,
*/
template<class T, class fitnessT = float>
class eo2d: public EO< fitnessT > {
public:
/// Declaration to make it accessible from subclasses
typedef T Type;
/** Can be used as default ctor; should be called from derived
classes. Fitness should be at birth
*/
eo2d()
:EO<fitnessT> ( ) {};
/** Ctor using a random number generator and with an specified size
@param _rows Initial number of rows
@param _columns Initial number of columns
@param _rndGen Random "T-type" generator
@param _ID An ID string, preferably unique
*/
eo2d( const unsigned _rows,
const unsigned _columns,
eoRnd<T>& _rndGen,
const string& _ID = "");
/** Ctor from an istream. It just passes the stream to EO, subclasses should
have to implement this.
@param _is the input stream
*/
eo2d( istream& _is): EO<fitnessT>( _is ){};
/// Copy ctor
eo2d( const eo2d& _eo )
:EO<fitnessT> ( _eo ) {};
/// Assignment operator
const eo2d& operator= ( const eo2d& _eo ) {
EO<fitnessT>::operator = ( _eo );
return *this;
}
/// Needed virtual dtor
virtual ~eo1d(){};
/** Reads and returns a copy of the gene in position _r,_c.\
This implies that T must have a copy ctor .
@param _r Index for rows. Must be an unsigned less than #numOfRows()#
@param _c Index for columns. Must be an unsigned less than #numOfCols()#
@return what's inside the gene, with the correct type
@exception out_of_range if _r >=numOfRows()
@exception out_of_range if _c >=numOfCols()
*/
virtual T getGene( const unsigned _r,
const unsigned _j ) const = 0;
/** Overwrites the gene placed in position _r,_c with a
* new value. This means that the assignment operator
* for T must be defined .
@param _r Index for rows. Must be an unsigned less than #numOfRows()#
@param _c Index for columns. Must be an unsigned less than #numOfCols()#
@return what's inside the gene, with the correct type
@exception out_of_range if _r >=numOfRows()
@exception out_of_range if _c >=numOfCols()
*/
virtual void setGene( const unsigned _r,
const unsigned _c,
const T& _value ) = 0;
/** Inserts a row, moving the rest to the bottom.
* If _r = numOfRows(), it insert it at the end.
* Obviously, changes number of rows.
@param _r Position where the new row will be inserted.
@param _val Vector containing the new values to be inserted.
@exception invalid_parameter if _val has not numOfCols() components.
*/
virtual void insertRow( const unsigned _r,
const vector<T>& _val ) = 0;
/** Eliminates the row at position _r; all the other genes will
be shifted up.
@param _r Number of he row to be deleted.
@exception out_of_range if _r >=numOfRows()
*/
virtual void deleteRow( const unsigned _r ) = 0;
/** Inserts a column, moving the rest to the right.
* If _c = numOfCols(), it insert it at the end.
* Obviously, changes number of cols.
@param _r Position where the new column will be inserted.
@param _val Vector containing the new values to be inserted.
@exception invalid_parameter if _val has not numOfRows() components.
*/
virtual void insertCol( const unsigned _c,
const vector<T>& _val ) = 0;
/** Eliminates the column at position _c; all the other columns will
be shifted left.
@param _c Number of he column to be deleted.
@exception out_of_range if _c >=numOfCols()
*/
virtual void deleteCol( const unsigned _r ) = 0;
/// Returns the number of rows in the eo2d
virtual unsigned numOfRows() const = 0;
/// Returns the number of columns in the eo2d
virtual unsigned numOfCols() const = 0;
/// @name Methods from eoObject
//@{
/**
* Read object. Theoretically, the length is known in advance. All objects
* Should call base class
* @param _s A istream.
* @throw runtime_exception If a valid object can't be read.
*/
virtual void readFrom(istream& _s) {
for ( unsigned r = 0; r < numOfRows(); ++r ) {
for ( unsigned c = 0; c < numOfCols(); ++c ) {
T tmp;
_s >> tmp;
setGene( r, c, tmp );
}
}
// there is no way of distinguishing fitness from the object, so
// it's skipped
}
/** Print itself: inherited from eoObject implementation.
Instance from base classes are processed in
base classes, so you don´t have to worry about, for instance, fitness.
@param _s the ostream in which things are written*/
virtual void printOn( ostream& _s ) const{
for ( unsigned r = 0; r < numOfRows(); ++r ) {
for ( unsigned c = 0; c < numOfCols(); ++c ) {
_s << getGene( r,c ) << " ";
}
}
}
/** Inherited from eoObject
@see eoObject
*/
string className() const {return "eo2d";};
//@}
};
//@}
// --------------- Implementations --------------------------
/** Ctor using a random number generator and with an specified size
@param _rows Initial number of rows
@param _columns Initial number of columns
@param _rndGen Random "T-type" generator
@param _ID An ID string, preferably unique
*/
template< class T, class fitnessT>
eo2d<T,fitnessT>::eo1d<T,fitnessT>( const unsigned _rows,
const unsigned _columns,
eoRnd<T>& _rndGen,
const string& _ID = "")
:EO<fitnessT> ( _ID ) {
for ( unsigned r = 0; r < _rows; ++r ) {
for ( unsigned c = 0; c < _cols; ++c ) {
insertGene( r, c, _rndGen() );
}
}
};
#endif