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Tweak Chromosome mutation probability

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This commit is contained in:
Joscha 2017-04-28 13:00:30 +00:00
parent 359acd4b10
commit e7a51448c2
1 changed files with 3 additions and 3 deletions
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6
src/Chromosome.cpp
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@ -27,7 +27,7 @@ std::mt19937_64* Chromosome::re;
Chromosome::Chromosome() Chromosome::Chromosome()
{ {
// this->genes is already empty // this->genes is already empty
this->circle.setPointCount(100); this->circle.setPointCount(50);
} }
@ -60,9 +60,9 @@ Chromosome::Chromosome(Chromosome& father, Chromosome& mother) :
void Chromosome::mutate() void Chromosome::mutate()
{ {
std::uniform_int_distribution<> booldist(0, 1); std::uniform_int_distribution<> mutatedist(0, 1); // 1/2 of the time, it mutates everytime!
std::uniform_int_distribution<> choicedist(0, 12); std::uniform_int_distribution<> choicedist(0, 12);
while (booldist(*Chromosome::re)) { while (mutatedist(*Chromosome::re)) {
int choice = choicedist(*Chromosome::re); int choice = choicedist(*Chromosome::re);
if (choice < 1) { // add if (choice < 1) { // add