1 files changed, 12 insertions, 1 deletions
diff --git a/libmu/src/maths/complex.rs b/libmu/src/maths/complex.rs
index 79212b6..931b030 100644
--- a/libmu/src/maths/complex.rs
+++ b/libmu/src/maths/complex.rs
@@ -1,7 +1,7 @@
 use crate::numeric_types::Float;
 use core::{fmt, ops};
 
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone, PartialOrd, PartialEq)]
 pub struct Complex<T: Float> {
     pub real: T,
     pub imaginary: T,
@@ -49,6 +49,17 @@ impl<T: Float> Complex<T> {
     }
 }
 
+impl<T: Float> ops::Neg for Complex<T> {
+    type Output = Complex<T>;
+
+    fn neg(self) -> Complex<T> {
+        Complex {
+            real: -self.real,
+            imaginary: -self.imaginary,
+        }
+    }
+}
+
 impl<T: Float> ops::Add for Complex<T> {
     type Output = Complex<T>;