Impl Neg for IVecN (#134)

* Impl Neg for IVecN * Inline Neg functions for IVecN
fu5ha · Jul 20, 2021 · 4e7ff46 · 4e7ff46
1 parent 9ba47d0
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,7 +2,9 @@
 
 <!-- next-header -->
 ## Unreleased
+
 - Add methods to scale `Rotor3`
+- Implement `Neg` for all `IVec` types
 
 ## 0.8.1
 

diff --git a/src/int.rs b/src/int.rs
@@ -1343,6 +1343,45 @@ macro_rules! ivec4s {
     }
 }
 
+impl Neg for IVec2 {
+    type Output = Self;
+
+    #[inline]
+    fn neg(self) -> Self::Output {
+        Self {
+            x: -self.x,
+            y: -self.y,
+        }
+    }
+}
+
+impl Neg for IVec3 {
+    type Output = Self;
+
+    #[inline]
+    fn neg(self) -> Self::Output {
+        Self {
+            x: -self.x,
+            y: -self.y,
+            z: -self.z,
+        }
+    }
+}
+
+impl Neg for IVec4 {
+    type Output = Self;
+
+    #[inline]
+    fn neg(self) -> Self::Output {
+        Self {
+            x: -self.x,
+            y: -self.y,
+            z: -self.z,
+            w: -self.w,
+        }
+    }
+}
+
 impl From<UVec3> for UVec2 {
     #[inline]
     fn from(vec: UVec3) -> Self {