fitness.c

#include "a4.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>

double comp_distance(const PIXEL *A, const PIXEL *B, int image_size) {
  double sum = 0;
  for (int i = 0; i < image_size; i++) {
    sum += (double)((A[i].r - B[i].r) * (A[i].r - B[i].r)) +
           (double)((A[i].g - B[i].g) * (A[i].g - B[i].g)) +
           (double)((A[i].b - B[i].b) * (A[i].b - B[i].b));
  }
  return sqrt(sum);
}
void comp_fitness_population(const PIXEL *image, Individual *individual,
                             int population_size) {
  int image_size = individual[0].image.width * individual[0].image.height;
  for (int i = 0; i < population_size; i++) {
    individual[i].fitness =
        comp_distance(image, individual[i].image.data, image_size);
  }
}