From 7ebbf4bc28a64255248f686a9c7b8a831dab16a1 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Fran=C3=A7ois=20Bonzon?=
 <1116761+fbonzon@users.noreply.github.com>
Date: Thu, 26 Oct 2017 03:44:27 +0200
Subject: [PATCH] Fix a compiler warning

warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
---
 grtcirc.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/grtcirc.cc b/grtcirc.cc
index a29d69b3c..1ccfdf99f 100644
--- a/grtcirc.cc
+++ b/grtcirc.cc
@@ -88,9 +88,9 @@ double gcdist(double lat1, double lon1, double lat2, double lon2)
   if (
 #if defined isnan
     /* This is a C99-ism. */
-    (isnan(res)) ||
+    isnan(res) ||
 #endif
-    (errno == EDOM)) { /* this should never happen: */
+    errno == EDOM) { /* this should never happen: */
     errno = 0;         /* Math argument out of domain of
 		function, */
     return 0;          /* or value returned is not a number */
-- 
2.30.2