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small improvements

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This commit is contained in:
gustavoromero 2000-12-04 19:10:20 +00:00
commit 8ee0ae0e3a
3 changed files with 89 additions and 47 deletions
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121
eo/app/mastermind/mastermind.h
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@ -35,38 +35,8 @@ typedef eoFixedLength<phenotype, int> Chrom;
// eoChromEvaluator
//-----------------------------------------------------------------------------
const unsigned default_size = 8;
const string default_solution = "01234567";
// const unsigned points_per_black = 3, points_per_white = 1;
Chrom solution;
unsigned num_colors;
void init_eoChromEvaluator(const unsigned& c, const unsigned& l, string s)
{
num_colors = c;
// generate a random solution
if (s == default_solution || s.size() != l)
{
uniform_generator<char> color('0', static_cast<char>('0' + num_colors));
s.resize(l);
generate(s.begin(), s.end(), color);
}
// check solution
for (unsigned i = 0; i < solution.size(); ++i)
if (solution[i] >= num_colors)
{
cerr << "too high color number found!" << endl;
exit(EXIT_FAILURE);
}
solution.resize(s.size());
for (unsigned i = 0; i < solution.size(); ++i)
solution[i] = s[i] - '0';
}
const unsigned points_per_black = 3, points_per_white = 1;
phenotype eoChromEvaluator(const Chrom& chrom)
{
@ -95,6 +65,61 @@ phenotype eoChromEvaluator(const Chrom& chrom)
return black * chrom.size() + white;
};
const unsigned default_length = 8;
const unsigned default_colors = 8;
const string default_solution = "01234567";
unsigned num_colors;
void init_eoChromEvaluator(const unsigned& c, const unsigned& l, string s)
{
num_colors = c;
// check consistency between parameters
if (s != default_solution)
{
// check length
if (l != default_length && s.size() != l)
{
cerr << "solution length != length" << endl;
exit(EXIT_FAILURE);
}
// check number of colors
if (c != default_colors && c < *max_element(s.begin(), s.end()) - '0')
{
cerr << "too high color number found!" << endl;
exit(EXIT_FAILURE);
}
}
else
if (l != default_length || c != default_colors )
// generate a random solution
if(num_colors <= 10)
{
uniform_generator<char> color('0', static_cast<char>('0' + c));
s.resize(l);
generate(s.begin(), s.end(), color);
}
// put the solution parameter on the solution chromosome
if (num_colors <= 10)
{
solution.resize(s.size());
for (unsigned i = 0; i < solution.size(); ++i)
solution[i] = s[i] - '0';
}
else
{
solution.resize(l);
uniform_generator<int> color(0, num_colors);
generate(solution.begin(), solution.end(), color);
}
solution.fitness(eoChromEvaluator(solution));
}
//-----------------------------------------------------------------------------
// eoChromInit
//-----------------------------------------------------------------------------
@ -117,17 +142,37 @@ public:
class eoChromMutation: public eoMonOp<Chrom>
{
// two changes in one mutation :(
// many operators in one :(
void operator()(Chrom& chrom)
{
uniform_generator<unsigned> what(0, 2);
uniform_generator<unsigned> position(0, chrom.size());
// random gene change
uniform_generator<int> color(0, num_colors);
chrom[position()] = color();
// random gene swap
swap(chrom[position()], chrom[position()]);
switch(what())
{
case 0:
{
cout << "mutation" << endl;
// gene change
uniform_generator<int> color(0, num_colors);
chrom[position()] = color();
break;
}
case 1:
{
cout << "transposition" << endl;
// transposition
swap(chrom[position()], chrom[position()]);
break;
}
default:
{
cerr << "unknown operator!" << endl;
exit(EXIT_FAILURE);
break;
}
}
chrom.invalidate();
}