Fix parsing numbers which are less than 1e-308

Overflow should check sign of exponent.

1 files changed, 1 insertions, 1 deletions

diff --git a/include/rapidjson/reader.h b/include/rapidjson/reader.h
index 5d3493a9..9fd46b15 100644
--- a/include/rapidjson/reader.h
+++ b/include/rapidjson/reader.h
@@ -796,7 +796,7 @@ private:
 				exp = s.Take() - '0';

 				while (s.Peek() >= '0' && s.Peek() <= '9') {

 					exp = exp * 10 + (s.Take() - '0');

-					if (exp > 308)

+					if (exp > 308 && !expMinus) // exp > 308 should be rare, so it should be checked first.

 						RAPIDJSON_PARSE_ERROR(kParseErrorNumberTooBig, s.Tell());

 				}

 			}