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eodev/eo/src/ga/eoBin.h
evomarc 00e21770ad Changed the (abstract) name for fitness from F to FitT so it matches
that of file eoFixedLength.h - it is far clearer in the documentation
diagrams this way.
2000-12-02 08:21:18 +00:00

102 lines
2.7 KiB
C++

/*
eoBin.h
(c) GeNeura Team 1998, Marc Schoenauer 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
Marc.Schoenauer@polytechnique.fr
*/
/* MS, Nov. 23, 2000
Added the calls to base class I/O routines that print the fitness
Left printing/reading of the size of the bitstring,
for backward compatibility, and as it is a general practice in EO
*/
#ifndef eoBin_h
#define eoBin_h
//-----------------------------------------------------------------------------
#include <iostream> // ostream, istream
#include <functional> // bind2nd
#include <string> // string
#include <eoFixedLength.h>
/**
\defgroup bitstring
Various functions for a bitstring representation
*/
/** eoBin: implementation of binary chromosome.
\class eoBin eoBin.h ga/eoBin.h
\ingroup bitstring
* based on STL's vector<bool> specialization.
*/
template <class FitT> class eoBin: public eoFixedLength<FitT, bool>
{
public:
/**
* (Default) Constructor.
* @param size Size of the binary string.
*/
eoBin(unsigned size = 0, bool value = false):
eoFixedLength<FitT, bool>(size, value) {}
/// My class name.
string className() const
{
return "eoBin";
}
/**
* To print me on a stream.
* @param os The ostream.
*/
void printOn(ostream& os) const
{
EO<FitT>::printOn(os);
os << ' ';
os << size() << ' ';
copy(begin(), end(), ostream_iterator<bool>(os));
}
/**
* To read me from a stream.
* @param is The istream.
*/
void readFrom(istream& is)
{
EO<FitT>::readFrom(is);
unsigned s;
is >> s;
string bits;
is >> bits;
if (is)
{
resize(bits.size());
transform(bits.begin(), bits.end(), begin(),
bind2nd(equal_to<char>(), '1'));
}
}
};
//-----------------------------------------------------------------------------
#endif //eoBin_h