# eoSymLambdaMutate.h

    00001 /*
    00002  *             Copyright (C) 2005 Maarten Keijzer
    00003  *
    00004  *          This program is free software; you can redistribute it and/or modify
    00005  *          it under the terms of version 2 of the GNU General Public License as
    00006  *          published by the Free Software Foundation.
    00007  *
    00008  *          This program is distributed in the hope that it will be useful,
    00009  *          but WITHOUT ANY WARRANTY; without even the implied warranty of
    00010  *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00011  *          GNU General Public License for more details.
    00012  *
    00013  *          You should have received a copy of the GNU General Public License
    00014  *          along with this program; if not, write to the Free Software
    00015  *          Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    00016  */
    00017
    00018 #ifndef SYMLAMBDAMUTATE_H
    00019 #define SYMLAMBDAMUTATE_H
    00020
    00021 #include <eoOp.h>
    00022
    00023 class NodeSelector;
    00024 class Sym;
    00025 extern Sym compress(Sym, NodeSelector&);
    00026 extern Sym expand(Sym, NodeSelector&);
    00027
    00028
    00029 template <class EoType>
    00030 class eoSymLambdaMutate : public eoMonOp<EoType> {
    00031     NodeSelector& selector;
    00032     public :
    00033         eoSymLambdaMutate(NodeSelector& s) : selector(s) {}
    00034
    00035         bool operator()(EoType& tomutate) {
    00036             if (rng.flip()) {
    00037                 tomutate.set( expand(tomutate, selector));
    00038             } else {
    00039                 tomutate.set( compress(tomutate, selector));
    00040             }
    00041             return true;
    00042         }
    00043
    00044 };
    00045
    00046
    00047 #endif