/usr/include/ga/GATreeGenome.h is in libga-dev 2.4.7-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* ----------------------------------------------------------------------------
tree.h
mbwall 25feb95
Copyright (c) 1995 Massachusetts Institute of Technology
all rights reserved
DESCRIPTION:
This header defines the interface for the tree genome.
---------------------------------------------------------------------------- */
#ifndef _ga_tree_h_
#define _ga_tree_h_
#include <ga/GATree.h>
#include <ga/GAGenome.h>
/* ----------------------------------------------------------------------------
TreeGenome
-------------------------------------------------------------------------------
Beware that the tree genome can grow unbounded - there is no size limit
on the tree, so if you have an objective function that encourages size the tree
will grow until you run out of memory.
---------------------------------------------------------------------------- */
template <class T>
class GATreeGenome : public GATree<T>, public GAGenome {
public:
GADeclareIdentity();
static int DestructiveMutator(GAGenome &, float);
static int SwapNodeMutator(GAGenome &, float);
static int SwapSubtreeMutator(GAGenome &, float);
static int OnePointCrossover(const GAGenome&, const GAGenome&,
GAGenome*, GAGenome*);
static float TopologyComparator(const GAGenome&, const GAGenome&);
// static float NodeComparator(const GAGenome&, const GAGenome&);
public:
GATreeGenome(GAGenome::Evaluator f=NULL, void * u=NULL);
GATreeGenome(const GATreeGenome<T> &);
GATreeGenome<T> & operator=(const GAGenome & orig)
{copy(orig); return *this;}
virtual ~GATreeGenome();
virtual GAGenome *clone(GAGenome::CloneMethod flag=CONTENTS) const;
virtual void copy(const GAGenome &);
#ifdef GALIB_USE_STREAMS
virtual int write (STD_OSTREAM &) const;
#endif
virtual int equal(const GAGenome & c) const;
// Here we do inlined versions of the access members of the super class. We
// do our own here so that we can set/unset the _evaluated flag appropriately.
int destroy() { _evaluated = gaFalse; return GATree<T>::destroy(); }
int swaptree(GATree<T> * t)
{ _evaluated = gaFalse; return GATree<T>::swaptree(t); }
int swaptree(unsigned int i, unsigned int j)
{ _evaluated = gaFalse; return GATree<T>::swaptree(i,j); }
int swap(unsigned int i, unsigned int j)
{ _evaluated = gaFalse; return GATree<T>::swap(i,j); }
GATree<T> * remove() { _evaluated = gaFalse; return GATree<T>::remove(); }
int insert(GATree<T> * t, GATreeBASE::Location where=GATreeBASE::BELOW)
{ _evaluated = gaFalse; return GATree<T>::insert(t, where); }
int insert(const T & t, GATreeBASE::Location where=GATreeBASE::BELOW)
{ _evaluated = gaFalse; return GATree<T>::insert(t, where); }
};
#ifdef GALIB_USE_BORLAND_INST
#include <ga/GATreeGenome.C>
#endif
#endif
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