From e949ab9c6c73ee7d0aba64854d2d406ba2090e5c Mon Sep 17 00:00:00 2001
From: Mark Barbone <mark.l.barbone@gmail.com>
Date: Wed, 1 Aug 2018 12:59:20 -0400
Subject: [PATCH] Modify atan2 to use `wrapping_` ops

---
 src/math/atan2.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/math/atan2.rs b/src/math/atan2.rs
index a702ec3..37dad35 100644
--- a/src/math/atan2.rs
+++ b/src/math/atan2.rs
@@ -92,12 +92,12 @@ pub fn atan2(y: f64, x: f64) -> f64 {
         }
     }
     /* |y/x| > 0x1p64 */
-    if ix + (64 << 20) < iy || iy == 0x7ff00000 {
+    if ix.wrapping_add(64 << 20) < iy || iy == 0x7ff00000 {
         return if m & 1 != 0 { -PI / 2.0 } else { PI / 2.0 };
     }
 
     /* z = atan(|y/x|) without spurious underflow */
-    let z = if (m & 2 != 0) && iy + (64 << 20) < ix {
+    let z = if (m & 2 != 0) && iy.wrapping_add(64 << 20) < ix {
         /* |y/x| < 0x1p-64, x<0 */
         0.0
     } else {