Remove redundant utils

src/utils.rs

@@ -27,22 +27,6 @@ pub type TypedOutputFormat<T: GenericImage> =
 	image::ImageBuffer<T::Pixel, Vec<<T::Pixel as image::Pixel>::Subpixel>>;
 pub type RgbaOutputFormat = TypedOutputFormat<RgbaImage>;
 
-pub fn max_f32(a: f32, b: f32) -> f32 {
-	if a > b {
-		a
-	} else {
-		b
-	}
-}
-
-pub fn min_f32(a: f32, b: f32) -> f32 {
-	if a < b {
-		a
-	} else {
-		b
-	}
-}
-
 pub fn new_image(new_width: u32, new_height: u32) -> OutputFormat {
 	let mut new_image = RgbaImage::new(new_width, new_height);
 	let (new_image_x, new_image_y, new_image_width, new_image_height) = new_image.bounds();
@@ -68,8 +52,8 @@ impl BasicRgba {
 		let green = self.g as f32 / u8::MAX as f32;
 		let blue = self.b as f32 / u8::MAX as f32;
 
-		let minimum = min_f32(red, min_f32(green, blue));
-		let maximum = max_f32(red, max_f32(green, blue));
+		let minimum = red.min(green).min(blue);
+		let maximum = red.max(green).max(blue);
 
 		let mut hue = if red >= green && red >= blue {
 			(green - blue) / (maximum - minimum)