88 lines
1.9 KiB
C++
88 lines
1.9 KiB
C++
#include <utility>
|
|
|
|
#include <eo>
|
|
#include <es.h>
|
|
#include <utils/eoStat.h>
|
|
|
|
typedef eoVector<eoDualFitness<double,eoMinimizingFitness>,double> DualVector;
|
|
|
|
template<class EOT>
|
|
class DualSphere : public eoEvalFunc<EOT>
|
|
{
|
|
public:
|
|
virtual void operator()( EOT & x )
|
|
{
|
|
if( x.invalid() ) { return; }
|
|
|
|
double sum = 0;
|
|
int sign = 1;
|
|
for( unsigned int i=0, s=x.size(); i<s; ++i ) {
|
|
sum += x[i] * x[i];
|
|
sign *= x[i]<0 ? -1 : 1;
|
|
}
|
|
|
|
x.fitness( std::make_pair( sum, sign>0 ? true : false ) );
|
|
}
|
|
};
|
|
|
|
|
|
double test( eoPop<DualVector>& pop, double target_value )
|
|
{
|
|
DualSphere<DualVector> eval;
|
|
|
|
eoPopLoopEval<DualVector> pop_eval(eval);
|
|
|
|
pop_eval(pop,pop);
|
|
|
|
eoInterquartileRangeStat<DualVector> iqr_stat( std::make_pair(0.0,false), "IQR" );
|
|
|
|
iqr_stat( pop );
|
|
|
|
std::cout << iqr_stat.longName() << "=" << iqr_stat.value() << " should be " << target_value << std::endl;
|
|
|
|
return iqr_stat.value().value();
|
|
}
|
|
|
|
|
|
int main()
|
|
{
|
|
eoPop<DualVector> pop;
|
|
|
|
// fixed test
|
|
DualVector sol1(2,-1);
|
|
DualVector sol2(2,-1);
|
|
DualVector sol3(2,1);
|
|
DualVector sol4(2,1);
|
|
pop.push_back( sol1 );
|
|
pop.push_back( sol2 );
|
|
pop.push_back( sol3 );
|
|
pop.push_back( sol4 );
|
|
// on the sphere function everyone has the same fitness of 1
|
|
if( test(pop, 0) != 0 ) {
|
|
exit(1);
|
|
}
|
|
|
|
pop.erase(pop.begin(),pop.end());
|
|
|
|
// fixed test
|
|
sol1 = DualVector(2,0);
|
|
sol2 = DualVector(2,0);
|
|
sol3 = DualVector(2,1);
|
|
sol4 = DualVector(2,1);
|
|
pop.push_back( sol1 );
|
|
pop.push_back( sol2 );
|
|
pop.push_back( sol3 );
|
|
pop.push_back( sol4 );
|
|
if( test(pop, 1) != 1 ) {
|
|
exit(1);
|
|
}
|
|
|
|
// test on a random normal distribution
|
|
eoNormalGenerator<double> normal(1,rng);
|
|
eoInitFixedLength<DualVector> init_N(2, normal);
|
|
pop = eoPop<DualVector>( 1000000, init_N );
|
|
double iqr = test(pop, 1.09);
|
|
if( iqr < 1.08 || iqr > 1.11 ) {
|
|
exit(1);
|
|
}
|
|
}
|