docs: public static void normalize(float[] c) {
  		float max = Float.MIN_VALUE;
  		float min = Float.MAX_VALUE;
  		for (int i = 0; i < c.length; i++) {
  			if (min > c[i])
  				min = c[i];
  			if (max < c[i])
  				max = c[i];
  		}
  		float val = max - min;
  		if (val == 0)
  			return;
  		for (int i = 0; i < c.length; i++) {
  			c[i] = (c[i] - min) / val;
  		}
  	}