more adjustments for gcc-3.4 (now using optimization, go figure...)

This commit is contained in:
kuepper 2004-12-23 17:22:52 +00:00
commit 7b9e6d3e1f
4 changed files with 30 additions and 31 deletions

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@ -1,7 +1,7 @@
#ifdef _MSC_VER #ifdef _MSC_VER
// to avoid long name warnings // to avoid long name warnings
#pragma warning(disable:4786) #pragma warning(disable:4786)
#endif #endif
#include <eoFunctorStore.h> #include <eoFunctorStore.h>
#include <eoFunctor.h> #include <eoFunctor.h>
@ -9,8 +9,7 @@
/// clears the memory /// clears the memory
eoFunctorStore::~eoFunctorStore() eoFunctorStore::~eoFunctorStore()
{ {
for (size_t i = 0; i < vec.size(); ++i) for(size_t i = 0; i < vec.size(); ++i) {
{
delete vec[i]; delete vec[i];
} }
} }

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@ -38,13 +38,13 @@ dynamically created functors.
*/ */
class eoFunctorStore class eoFunctorStore
{ {
public : public:
/// Default Ctor /// Default Ctor
eoFunctorStore() {} eoFunctorStore() {}
// virtual destructor so we don't need to define it in derived classes // virtual destructor so we don't need to define it in derived classes
virtual ~eoFunctorStore(); virtual ~eoFunctorStore();
/// Add an eoFunctorBase to the store /// Add an eoFunctorBase to the store
template <class Functor> template <class Functor>

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@ -3,7 +3,7 @@
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// eoStochasticUniversalSelect.h // eoStochasticUniversalSelect.h
// (c) Maarten Keijzer 2003 // (c) Maarten Keijzer 2003
/* /*
This library is free software; you can redistribute it and/or This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either License as published by the Free Software Foundation; either
@ -41,11 +41,11 @@
*/ */
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
template <class EOT> class eoStochasticUniversalSelect: public eoSelectOne<EOT> template <class EOT> class eoStochasticUniversalSelect: public eoSelectOne<EOT>
{ {
public: public:
/// Sanity check /// Sanity check
eoStochasticUniversalSelect(const eoPop<EOT>& pop = eoPop<EOT>()) eoStochasticUniversalSelect(const eoPop<EOT>& pop = eoPop<EOT>())
{ {
if (minimizing_fitness<EOT>()) if (minimizing_fitness<EOT>())
throw std::logic_error("eoStochasticUniversalSelect: minimizing fitness"); throw std::logic_error("eoStochasticUniversalSelect: minimizing fitness");
@ -54,27 +54,27 @@ public:
void setup(const eoPop<EOT>& _pop) void setup(const eoPop<EOT>& _pop)
{ {
if (_pop.size() == 0) return; if (_pop.size() == 0) return;
std::vector<typename EOT::Fitness> cumulative(_pop.size()); std::vector<typename EOT::Fitness> cumulative(_pop.size());
cumulative[0] = _pop[0].fitness(); cumulative[0] = _pop[0].fitness();
for (unsigned i = 1; i < _pop.size(); ++i) for (unsigned i = 1; i < _pop.size(); ++i)
{ {
cumulative[i] = _pop[i].fitness() + cumulative[i-1]; cumulative[i] = _pop[i].fitness() + cumulative[i-1];
} }
indices.reserve(_pop.size()); indices.reserve(_pop.size());
indices.resize(0); indices.resize(0);
double fortune = rng.uniform() * cumulative.back(); double fortune = rng.uniform() * cumulative.back();
double step = cumulative.back() / double(_pop.size()); double step = cumulative.back() / double(_pop.size());
unsigned i = std::upper_bound(cumulative.begin(), cumulative.end(), fortune) - cumulative.begin(); unsigned i = std::upper_bound(cumulative.begin(), cumulative.end(), fortune) - cumulative.begin();
while (indices.size() < _pop.size()) { while (indices.size() < _pop.size()) {
while (cumulative[i] < fortune) {i++;} // linear search is good enough as we average one step each time while (cumulative[i] < fortune) {i++;} // linear search is good enough as we average one step each time
indices.push_back(i); indices.push_back(i);
fortune += step; fortune += step;
if (fortune >= cumulative.back()) { // start at the beginning if (fortune >= cumulative.back()) { // start at the beginning
@ -85,16 +85,16 @@ public:
// shuffle // shuffle
for (int i = indices.size() - 1; i > 0; --i) { for (int i = indices.size() - 1; i > 0; --i) {
int j = rng.random(i+1); int j = rng.random(i+1);
swap(indices[i], indices[j]); std::swap(indices[i], indices[j]);
} }
} }
/** do the selection, /** do the selection,
*/ */
const EOT& operator()(const eoPop<EOT>& _pop) const EOT& operator()(const eoPop<EOT>& _pop)
{ {
if (indices.empty()) setup(_pop); if (indices.empty()) setup(_pop);
unsigned index = indices.back(); unsigned index = indices.back();
indices.pop_back(); indices.pop_back();
return _pop[index]; return _pop[index];

View file

@ -3,7 +3,7 @@
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// eoPBILOrg.h // eoPBILOrg.h
// (c) Marc Schoenauer, Maarten Keijzer, 2001 // (c) Marc Schoenauer, Maarten Keijzer, 2001
/* /*
This library is free software; you can redistribute it and/or This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either License as published by the Free Software Foundation; either
@ -30,7 +30,7 @@
#include <ga/eoPBILDistrib.h> #include <ga/eoPBILDistrib.h>
/** /**
* Distribution Class for PBIL algorithm * Distribution Class for PBIL algorithm
* (Population-Based Incremental Learning, Baluja and Caruana 95) * (Population-Based Incremental Learning, Baluja and Caruana 95)
* *
* This class implements the update rule from the original paper: * This class implements the update rule from the original paper:
@ -43,13 +43,13 @@ class eoPBILOrg : public eoDistribUpdater<EOT>
{ {
public: public:
/** Ctor with size of genomes, and update parameters */ /** Ctor with size of genomes, and update parameters */
eoPBILOrg(double _LR, double _tolerance=0.0 ) : eoPBILOrg(double _LR, double _tolerance=0.0 ) :
LR(_LR), maxBound(1.0-_tolerance), minBound(_tolerance) LR(_LR), maxBound(1.0-_tolerance), minBound(_tolerance)
{} {}
/** Update the distribution from the current population */ /** Update the distribution from the current population */
virtual void operator()(eoDistribution<EOT> & _distrib, eoPop<EOT>& _pop) virtual void operator()(eoDistribution<EOT> & _distrib, eoPop<EOT>& _pop)
{ {
const EOT & best = _pop.best_element(); const EOT & best = _pop.best_element();
eoPBILDistrib<EOT>& distrib = dynamic_cast<eoPBILDistrib<EOT>&>(_distrib); eoPBILDistrib<EOT>& distrib = dynamic_cast<eoPBILDistrib<EOT>&>(_distrib);
@ -62,11 +62,11 @@ public:
p[g] *= (1-LR); p[g] *= (1-LR);
if ( best[g] ) if ( best[g] )
p[g] += LR; p[g] += LR;
// else nothing // else nothing
// stay away from 0 and 1 // stay away from 0 and 1
p[g] = min(maxBound, p[g]); p[g] = std::min(maxBound, p[g]);
p[g] = max(minBound, p[g]); p[g] = std::max(minBound, p[g]);
} }
} }