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corrected PSO dummy errors and completed documentation

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This commit is contained in:
tlegrand 2008-01-08 15:13:32 +00:00
commit ef252cf7de
3 changed files with 121 additions and 114 deletions
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139
eo/src/eoSyncEasyPSO.h
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@ -44,10 +44,11 @@
* -- update the neighborhoods
*/
template < class POT > class eoSyncEasyPSO:public eoPSO < POT >
{
public:
{
public:
/** Full constructor
* @param _init - An eoInitializer that initializes the topology, velocity, best particle(s)
* @param _continuator - An eoContinue that manages the stopping criterion and the checkpointing system
* @param _eval - An eoEvalFunc: the evaluation performer
* @param _velocity - An eoVelocity that defines how to compute the velocities
@ -55,102 +56,104 @@ template < class POT > class eoSyncEasyPSO:public eoPSO < POT >
* to modify the positions according to the velocities
*/
eoSyncEasyPSO (
eoInitializer <POT> &_init,
eoContinue < POT > &_continuator,
eoEvalFunc < POT > &_eval,
eoVelocity < POT > &_velocity,
eoFlight < POT > &_flight):
init(_init),
continuator (_continuator),
eval (_eval),
loopEval(_eval),
popEval(loopEval),
velocity (_velocity),
flight (_flight)
eoInitializer <POT> &_init,
eoContinue < POT > &_continuator,
eoEvalFunc < POT > &_eval,
eoVelocity < POT > &_velocity,
eoFlight < POT > &_flight):
init(_init),
continuator (_continuator),
eval (_eval),
loopEval(_eval),
popEval(loopEval),
velocity (_velocity),
flight (_flight)
{}
/** Constructor without eoFlight. For special cases when the flight is performed withing the velocity.
* @param _init - An eoInitializer that initializes the topology, velocity, best particle(s)
* @param _continuator - An eoContinue that manages the stopping criterion and the checkpointing system
* @param _eval - An eoEvalFunc: the evaluation performer
* @param _velocity - An eoVelocity that defines how to compute the velocities
*/
eoSyncEasyPSO (
eoInitializer <POT> &_init,
eoContinue < POT > &_continuator,
eoEvalFunc < POT > &_eval,
eoVelocity < POT > &_velocity):
init(_init),
continuator (_continuator),
eval (_eval),
loopEval(_eval),
popEval(loopEval),
velocity (_velocity),
flight (dummyFlight)
{}
eoInitializer <POT> &_init,
eoContinue < POT > &_continuator,
eoEvalFunc < POT > &_eval,
eoVelocity < POT > &_velocity):
init(_init),
continuator (_continuator),
eval (_eval),
loopEval(_eval),
popEval(loopEval),
velocity (_velocity),
flight (dummyFlight)
{}
/** Full constructor - Can be used in parallel
* @param _init - An eoInitializer that initializes the topology, velocity, best particle(s)
* @param _continuator - An eoContinue that manages the stopping criterion and the checkpointing system
* @param _eval - An eoPopEvalFunc
* @param _velocity - An eoVelocity that defines how to compute the velocities
* @param _flight - An eoFlight
*/
eoSyncEasyPSO (
eoInitializer <POT> &_init,
eoContinue < POT > &_continuator,
eoPopEvalFunc < POT > &_eval,
eoVelocity < POT > &_velocity,
eoFlight <POT> &_flight):
init(_init),
continuator (_continuator),
eval (dummyEval),
loopEval(dummyEval),
popEval(_eval),
velocity (_velocity),
flight (_flight)
{}
eoInitializer <POT> &_init,
eoContinue < POT > &_continuator,
eoPopEvalFunc < POT > &_eval,
eoVelocity < POT > &_velocity,
eoFlight <POT> &_flight):
init(_init),
continuator (_continuator),
eval (dummyEval),
loopEval(dummyEval),
popEval(_eval),
velocity (_velocity),
flight (_flight)
{}
/// Apply a few iteration of flight to the population (=swarm).
virtual void operator () (eoPop < POT > &_pop)
{
try
try
{
init();
// just to use a loop eval
eoPop<POT> empty_pop;
// initializes the topology, velocity, best particle(s)
init();
// just to use a loop eval
eoPop<POT> empty_pop;
do
do
{
// perform velocity evaluation
velocity.apply (_pop);
// perform velocity evaluation
velocity.apply (_pop);
// apply the flight
flight.apply (_pop);
// apply the flight
flight.apply (_pop);
// evaluate the position (with a loop eval, empty_swarm IS USELESS)
popEval(empty_pop,_pop);
// evaluate the position (with a loop eval, empty_swarm IS USELESS)
popEval(empty_pop,_pop);
// update the topology (particle and local/global best(s))
velocity.updateNeighborhood(_pop);
// update the topology (particle and local/global best(s))
velocity.updateNeighborhood(_pop);
}
while (continuator (_pop));
while (continuator (_pop));
}
catch (std::exception & e)
catch (std::exception & e)
{
std::string s = e.what ();
s.append (" in eoSyncEasyPSO");
throw std::runtime_error (s);
std::string s = e.what ();
s.append (" in eoSyncEasyPSO");
throw std::runtime_error (s);
}
}
private:
private:
eoInitializer <POT> &init;
eoContinue < POT > &continuator;
@ -163,17 +166,17 @@ template < class POT > class eoSyncEasyPSO:public eoPSO < POT >
// if the flight does not need to be used, use the dummy flight instance
eoDummyFlight<POT> dummyFlight;
// if the eval does not need to be used, use the dummy eval instance
class eoDummyEval : public eoEvalFunc<POT>
{
public:
class eoDummyEval : public eoEvalFunc<POT>
{
public:
void operator()(POT &)
{}
}
}
dummyEval;
};
};
#endif /*_EOSYNCEASYPSO_H*/