void test_dsmooth2_inplace(CuTest* tc) {
float* img;
int nx, ny;
float* smooth1;
float* smooth2;
float sigma;
int bites;
float eps;
nx = 20;
ny = 19;
sigma = 2.0;
eps = 1e-6;
bites = nx * ny * sizeof(float);
img = random_image(nx, ny);
smooth1 = calloc(bites, 1);
smooth2 = calloc(bites, 1);
dsmooth2(img, nx, ny, sigma, smooth2);
// test: can we smooth in-place with dsmooth2?
memcpy(smooth1, img, bites);
CuAssertIntEquals(tc, 0, compare_images(img, smooth1, nx, ny, 0.0));
dsmooth2(smooth1, nx, ny, sigma, smooth1);
CuAssertIntEquals(tc, 0, compare_images(smooth1, smooth2, nx, ny, eps));
free(img);
free(smooth1);
free(smooth2);
}
void init(char* image_path) {
srand(time(0));
int image_tex = texture_load(image_path);
if(!image_tex) {
fprintf(stderr, "texture load failed\n");
exit(1);
}
// get the target image
base_image = image_from_tex(image_tex);
population_size = INIT_POP_SIZE;
pop_select = population_size * POP_SELECT_FACTOR;
// create initial population
fprintf(stderr, "seeding initial population...");
population = s_malloc(population_size * sizeof(t_image*));
for(int i = 0; i < population_size; i++) {
population[i] = random_image(base_image->width, base_image->height);
}
qsort(population, population_size, sizeof(t_image*), image_fitness_cmp);
best_image = image_copy(population[0]);
last_best = image_fitness(population[0]);
fprintf(stderr, "done\n");
}
void test_dsmooth_vs_dsmooth2(CuTest* tc) {
float* img;
float* img_orig;
int nx, ny;
float* smooth1;
float* smooth2;
float sigma;
int bites;
float eps;
nx = 20;
ny = 19;
sigma = 2.0;
eps = 1e-6;
bites = nx * ny * sizeof(float);
img = random_image(nx, ny);
img_orig = calloc(bites, 1);
memcpy(img_orig, img, bites);
CuAssertIntEquals(tc, 0, compare_images(img, img_orig, nx, ny, 0.0));
smooth1 = calloc(bites, 1);
smooth2 = calloc(bites, 1);
dsmooth(img, nx, ny, sigma, smooth1);
// test: don't change the input image
CuAssertIntEquals(tc, 0, compare_images(img, img_orig, nx, ny, 0.0));
dsmooth2(img, nx, ny, sigma, smooth2);
// test: don't change the input image
CuAssertIntEquals(tc, 0, compare_images(img, img_orig, nx, ny, 0.0));
// test: dsmooth == dsmooth2
CuAssertIntEquals(tc, 0, compare_images(smooth1, smooth2, nx, ny, eps));
free(img);
free(img_orig);
free(smooth1);
free(smooth2);
}
