From 74030eb65a21e43b08b32239e5ec7bb92b30eb77 Mon Sep 17 00:00:00 2001
From: Javier Goizueta <jgoizueta@gmail.com>
Date: Thu, 12 Apr 2018 08:50:59 +0200
Subject: Fix: use proper double epsilon declaration

---
 src/PJ_merc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/PJ_merc.c b/src/PJ_merc.c
index 3801b828..2c89fbc6 100644
--- a/src/PJ_merc.c
+++ b/src/PJ_merc.c
@@ -2,6 +2,7 @@
 #include "proj_internal.h"
 #include "proj.h"
 #include "projects.h"
+#include <float.h>
 
 PROJ_HEAD(merc, "Mercator") "\n\tCyl, Sph&Ell\n\tlat_ts=";
 PROJ_HEAD(webmerc, "Web Mercator / Pseudo Mercator") "\n\tCyl, Sph\n\t";
@@ -9,7 +10,7 @@ PROJ_HEAD(webmerc, "Web Mercator / Pseudo Mercator") "\n\tCyl, Sph\n\t";
 #define EPS10 1.e-10
 
 static double _tan_near_fort_pi(double x) {
-    if (fabs(x) <= __DBL_EPSILON__) {
+    if (fabs(x) <= DBL_EPSILON) {
         return 2*x + 1.0;
     }
     return tan(M_FORTPI + x);
-- 
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