From 82e35467152309bcebd6f3190ef32ae90d905bd1 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Fonseca?= <jose.r.fonseca@gmail.com>
Date: Fri, 6 May 2011 20:49:45 +0100
Subject: [PATCH] Handle NaNs in JSON.

---
 json.hpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/json.hpp b/json.hpp
index 24d9c87..d13793e 100644
--- a/json.hpp
+++ b/json.hpp
@@ -294,10 +294,15 @@ public:
 
     template<class T>
     inline void writeNumber(T n) {
-        separator();
-        os << std::dec << std::setprecision(9) << n;
-        value = true;
-        space = ' ';
+        if (n != n) {
+            // NaN
+            writeNull();
+        } else {
+            separator();
+            os << std::dec << std::setprecision(9) << n;
+            value = true;
+            space = ' ';
+        }
     }
     
     inline void writeStringMember(const char *name, const char *s) {
-- 
2.7.4