From d57c0c2879cc1bb6e48dda636eac3dc65d1695d2 Mon Sep 17 00:00:00 2001
From: Josh Stone <cuviper@gmail.com>
Date: Wed, 12 Jul 2017 13:59:30 -0700
Subject: [PATCH] complex: implement add/sub_assign directly

---
 complex/src/lib.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/complex/src/lib.rs b/complex/src/lib.rs
index b0c2e4c..a47a7e1 100644
--- a/complex/src/lib.rs
+++ b/complex/src/lib.rs
@@ -527,13 +527,15 @@ mod opassign {
 
     impl<T: Clone + NumAssign> AddAssign for Complex<T> {
         fn add_assign(&mut self, other: Complex<T>) {
-            *self = self.clone() + other;
+            self.re += other.re;
+            self.im += other.im;
         }
     }
 
     impl<T: Clone + NumAssign> SubAssign for Complex<T> {
         fn sub_assign(&mut self, other: Complex<T>) {
-            *self = self.clone() - other;
+            self.re -= other.re;
+            self.im -= other.im;
         }
     }