printf ("Enter minimum and maximum densities (min, max): ");
scanf ("%lf %lf", &dmin, &dmax);
// image_paint (CRTDEV, im_global, 0, 0, nx, ny, dmin, dmax, 0);
printf ("Enter minimum and maximum densities (min, max): ");
scanf ("%lf %lf", &dmin, &dmax);
// image_paint (CRTDEV, im_global, 0, 0, nx, ny, dmin, dmax, 0);