cmm: add color-management module

src/utils/ordered_float.rs

@@ -0,0 +1,67 @@
+use std::{
+    fmt::{Debug, Display, Formatter},
+    hash::{Hash, Hasher},
+    ops::{Add, Div, Mul, Sub},
+};
+
+#[derive(Copy, Clone)]
+#[repr(transparent)]
+pub struct F64(pub f64);
+
+impl Eq for F64 {}
+
+impl PartialEq for F64 {
+    fn eq(&self, other: &Self) -> bool {
+        self.0.to_bits() == other.0.to_bits()
+    }
+}
+
+impl Hash for F64 {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.0.to_bits().hash(state);
+    }
+}
+
+impl Add<F64> for F64 {
+    type Output = Self;
+
+    fn add(self, rhs: F64) -> Self::Output {
+        Self(self.0 + rhs.0)
+    }
+}
+
+impl Sub<F64> for F64 {
+    type Output = Self;
+
+    fn sub(self, rhs: F64) -> Self::Output {
+        Self(self.0 - rhs.0)
+    }
+}
+
+impl Mul<F64> for F64 {
+    type Output = Self;
+
+    fn mul(self, rhs: F64) -> Self::Output {
+        Self(self.0 * rhs.0)
+    }
+}
+
+impl Div<F64> for F64 {
+    type Output = Self;
+
+    fn div(self, rhs: F64) -> Self::Output {
+        Self(self.0 / rhs.0)
+    }
+}
+
+impl Display for F64 {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        Display::fmt(&self.0, f)
+    }
+}
+
+impl Debug for F64 {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        Debug::fmt(&self.0, f)
+    }
+}