Procedurality.Channel.abs C# (CSharp) Method

		public Channel abs() {
			for (int y = 0; y < height; y++) {
				for (int x = 0; x < width; x++) {
					putPixel(x, y, 2f*Math.Abs(getPixel(x, y) - 0.5f));
				}
			}
			return this;
		}