clean: clean and omp

src/write_png.c

@@ -25,6 +25,7 @@ int buffer_normalize_srgb(double *buffer, int W, int H) {
   max = percentile(buffer, W*H*3, cutperc);
   printf("max in the buffer: %g\n", max);
   if (max == 0) return 1;
+  #pragma omp parallel for
   for (int j = 0; j < H; j++) {
     for (int i = 0; i < W; i++) {
       for (int c = 0; c < 3; c++) {
@@ -39,7 +40,7 @@ int buffer_normalize_srgb(double *buffer, int W, int H) {
 int write_png(char *filename, double *buffer, int W, int H) {
   buffer_normalize_srgb(buffer, W, H);
   size_t bufsize = W*H*3;
-  printf("bufsize: %d\n", bufsize);
+  //printf("bufsize: %d\n", bufsize);
   uint8_t *img = (uint8_t *)malloc(bufsize*sizeof(uint8_t));
   if (!img) {return 1;}