From e879610232a399f35b72e14c83b51873c7047db2 Mon Sep 17 00:00:00 2001
From: Joshua Simmons <josh@nega.tv>
Date: Wed, 7 Sep 2022 22:55:41 +0200
Subject: [PATCH] Add extra vector operators

Add Add/Sub/Mul/Div by scalar
Add Neg
---
 narcissus-maths/src/lib.rs | 76 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)

diff --git a/narcissus-maths/src/lib.rs b/narcissus-maths/src/lib.rs
index 23050f8..174f69f 100644
--- a/narcissus-maths/src/lib.rs
+++ b/narcissus-maths/src/lib.rs
@@ -141,5 +141,81 @@ macro_rules! impl_vector {
                 Self::dot(self, self)
             }
         }
+
+        impl std::ops::Neg for $name {
+            type Output = $name;
+            #[inline(always)]
+            fn neg(self) -> Self::Output {
+                self.map(|x| -x)
+            }
+        }
+
+        impl std::ops::Add<$t> for $name {
+            type Output = $name;
+            #[inline(always)]
+            fn add(self, rhs: $t) -> Self::Output {
+                self.map(|x| x + rhs)
+            }
+        }
+
+        impl std::ops::Sub<$t> for $name {
+            type Output = $name;
+            #[inline(always)]
+            fn sub(self, rhs: $t) -> Self::Output {
+                self.map(|x| x - rhs)
+            }
+        }
+
+        impl std::ops::Mul<$t> for $name {
+            type Output = $name;
+            #[inline(always)]
+            fn mul(self, rhs: $t) -> Self::Output {
+                self.map(|x| x * rhs)
+            }
+        }
+
+        impl std::ops::Mul<$name> for $t {
+            type Output = $name;
+            #[inline(always)]
+            fn mul(self, rhs: $name) -> Self::Output {
+                rhs.map(|x| self * x)
+            }
+        }
+
+        impl std::ops::Div<$t> for $name {
+            type Output = $name;
+            #[inline(always)]
+            fn div(self, rhs: $t) -> Self::Output {
+                self.map(|x| x / rhs)
+            }
+        }
+
+        impl std::ops::AddAssign<$t> for $name {
+            #[inline(always)]
+            fn add_assign(&mut self, rhs: $t) {
+                *self = *self + rhs;
+            }
+        }
+
+        impl std::ops::SubAssign<$t> for $name {
+            #[inline(always)]
+            fn sub_assign(&mut self, rhs: $t) {
+                *self = *self - rhs;
+            }
+        }
+
+        impl std::ops::MulAssign<$t> for $name {
+            #[inline(always)]
+            fn mul_assign(&mut self, rhs: $t) {
+                *self = *self * rhs;
+            }
+        }
+
+        impl std::ops::DivAssign<$t> for $name {
+            #[inline(always)]
+            fn div_assign(&mut self, rhs: $t) {
+                *self = *self / rhs;
+            }
+        }
     };
 }
-- 
2.49.0