From 84a6aa6d7371f8e592eb2fb9740ded50eaf2146a Mon Sep 17 00:00:00 2001
From: Eric Fischer <enf@pobox.com>
Date: Thu, 7 Sep 2017 14:40:50 -0700
Subject: [PATCH] Use std::isinf() and std::isnan() instead of the C versions

According to https://github.com/mapbox/tippecanoe/issues/464 this
is necessary for g++-5 on Linux
---
 milo/dtoa_milo.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/milo/dtoa_milo.h b/milo/dtoa_milo.h
index 697fcec..d6821ed 100644
--- a/milo/dtoa_milo.h
+++ b/milo/dtoa_milo.h
@@ -1,6 +1,7 @@
 #pragma once
 #include <assert.h>
 #include <math.h>
+#include <cmath>
 
 #if defined(_MSC_VER)
 #include "msinttypes/stdint.h"
@@ -379,10 +380,10 @@ inline void Prettify(std::string &buffer, int length, int k) {
 inline std::string dtoa_milo(double value) {
 	std::string buffer;
 
-	if (isnan(value)) {
+	if (std::isnan(value)) {
 		return "nan";
 	}
-	if (isinf(value)) {
+	if (std::isinf(value)) {
 		if (value < 0) {
 			return "-inf";
 		} else {