Add attribute to skip formula formatting

Revert rustfmt changes to improve equation readability

Author: okaneco

palette/src/lab.rs

@@ -313,6 +313,7 @@ where
 {
     type Scalar = T;
 
+    #[rustfmt::skip]
     fn get_color_difference(&self, other: &Lab<Wp, T>) -> Self::Scalar {
         let c_bar = ((self.a * self.a + self.b * self.b).sqrt()
             + (other.a * other.a + other.b * other.b).sqrt())
@@ -379,10 +380,8 @@ where
         let t: T = from_f64::<T>(1.0)
             - from_f64::<T>(0.17) * ((h_bar_prime - from_f64(30.0)) * pi_over_180).cos()
             + from_f64::<T>(0.24) * ((h_bar_prime * from_f64(2.0)) * pi_over_180).cos()
-            + from_f64::<T>(0.32)
-                * ((h_bar_prime * from_f64(3.0) + from_f64(6.0)) * pi_over_180).cos()
-            - from_f64::<T>(0.20)
-                * ((h_bar_prime * from_f64(4.0) - from_f64(63.0)) * pi_over_180).cos();
+            + from_f64::<T>(0.32) * ((h_bar_prime * from_f64(3.0) + from_f64(6.0)) * pi_over_180).cos()
+            - from_f64::<T>(0.20) * ((h_bar_prime * from_f64(4.0) - from_f64(63.0)) * pi_over_180).cos();
         let s_l = from_f64::<T>(1.0)
             + ((from_f64::<T>(0.015) * (l_bar - from_f64(50.0)) * (l_bar - from_f64(50.0)))
                 / ((l_bar - from_f64(50.0)) * (l_bar - from_f64(50.0)) + from_f64(20.0)).sqrt());

palette/src/lch.rs

@@ -312,6 +312,7 @@ where
 {
     type Scalar = T;
 
+    #[rustfmt::skip]
     fn get_color_difference(&self, other: &Lch<Wp, T>) -> Self::Scalar {
         let self_a = clamp(
             self.chroma.max(T::zero()) * self.hue.to_radians().cos(),
@@ -396,10 +397,8 @@ where
         let t: T = from_f64::<T>(1.0)
             - from_f64::<T>(0.17) * ((h_bar_prime - from_f64(30.0)) * pi_over_180).cos()
             + from_f64::<T>(0.24) * ((h_bar_prime * from_f64(2.0)) * pi_over_180).cos()
-            + from_f64::<T>(0.32)
-                * ((h_bar_prime * from_f64(3.0) + from_f64(6.0)) * pi_over_180).cos()
-            - from_f64::<T>(0.20)
-                * ((h_bar_prime * from_f64(4.0) - from_f64(63.0)) * pi_over_180).cos();
+            + from_f64::<T>(0.32) * ((h_bar_prime * from_f64(3.0) + from_f64(6.0)) * pi_over_180).cos()
+            - from_f64::<T>(0.20) * ((h_bar_prime * from_f64(4.0) - from_f64(63.0)) * pi_over_180).cos();
         let s_l = from_f64::<T>(1.0)
             + ((from_f64::<T>(0.015) * (l_bar - from_f64(50.0)) * (l_bar - from_f64(50.0)))
                 / ((l_bar - from_f64(50.0)) * (l_bar - from_f64(50.0)) + from_f64(20.0)).sqrt());