Added getting fitness and lowered board size

src/chess.cpp

@@ -16,13 +16,11 @@ int GenerateRandomNumber(int generationLimit) {
 }
 
 GeneticDefaults::GeneticDefaults(void) {
-    size = 8;
+    size = 4;
-    length = 8;
 }
 
-GeneticDefaults::GeneticDefaults(unsigned int size, unsigned int length) {
+GeneticDefaults::GeneticDefaults(unsigned int size) {
     this->size = size;
-    this->length = length;
 }
 
 GeneticChess::GeneticChess(void) {
@@ -51,10 +49,11 @@ void GeneticChess::Print(void) {
 
 // Gets the fitness of the population
 unsigned int GeneticChess::GetFitness(void) {
-    int fitness = 0;
+    unsigned int fitness = 0;
-    for (int i : board) { 
+    for (unsigned int i : board) { 
         if (!IsQueenThreatened(i)) { fitness++; }
     }
+    std::cout << fitness << std::endl;
     return fitness;
 }
 

src/chess.hpp

@@ -11,9 +11,8 @@ struct GeneticDefaults {
     const float kProbabilityMutation = 0.001;   //mutation probability  (typical val.)
     const unsigned int generationLimit = 10000;     //number of generations (something huge)
     unsigned int size;                          //population size (change to something even)
-    unsigned int length;                        //string length (don't change)
     GeneticDefaults(void);
-    GeneticDefaults(unsigned int size, unsigned int length); //custom generation sizes
+    GeneticDefaults(unsigned int size); //custom generation sizes
 };
 
 class GeneticChess {

src/n_queens.cpp

@@ -7,6 +7,7 @@
 int main(){
     GeneticChess population;
     population.Print();
+    population.GetFitness();
 
     /*
     unsigned char population[N] = {0};