68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
//-----------------------------------------------------------------------------
|
|
// t-eoInitPermutation.cpp
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#include <eo>
|
|
|
|
#include <eoInt.h>
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
typedef eoInt<double> Chrom;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
|
|
double real_value(const Chrom & _chrom)
|
|
{
|
|
double sum = 0;
|
|
for (unsigned i = 0; i < _chrom.size(); i++)
|
|
sum += _chrom[i];
|
|
return sum/_chrom.size();
|
|
}
|
|
|
|
// Return true if the given chromosome corresponds to a permutation
|
|
// There must be an nicer way to do it (set?) ...
|
|
bool check_permutation(const Chrom & _chrom)
|
|
{
|
|
for (unsigned i = 0; i < _chrom.size(); ++i)
|
|
for (unsigned j = 0; j < _chrom.size(); ++j)
|
|
if(i!=j)
|
|
if(_chrom[i]==_chrom[j]){
|
|
std::cout << " Error: Wrong permutation !" << std::endl;
|
|
std::string s;
|
|
s.append( " Wrong permutation in t-eoInitPermutation");
|
|
throw std::runtime_error( s );
|
|
}
|
|
return true;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
const unsigned POP_SIZE = 8, CHROM_SIZE = 16;
|
|
unsigned i;
|
|
|
|
// a chromosome randomizer
|
|
eoInitPermutation <Chrom> random(CHROM_SIZE);
|
|
|
|
// the population:
|
|
eoPop<Chrom> pop;
|
|
|
|
// Evaluation
|
|
eoEvalFuncPtr<Chrom> eval( real_value );
|
|
|
|
for (i = 0; i < POP_SIZE; ++i)
|
|
{
|
|
Chrom chrom(CHROM_SIZE);
|
|
std::cout << " Initial chromosome n°" << i << " : " << chrom << "..." << std::endl;
|
|
random(chrom);
|
|
eval(chrom);
|
|
std::cout << " ... becomes : " << chrom << " after initialization" << std::endl;
|
|
check_permutation(chrom);
|
|
pop.push_back(chrom);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|