Fix ratio arithmetic with zero

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@143519 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01 23:13:37 +00:00
parent 6cd051bc34
commit ce6884cc76
3 changed files with 42 additions and 0 deletions
--- a/include/ratio
+++ b/include/ratio
@@ -90,6 +90,12 @@ struct __static_gcd<_Xp, 0>
    static const intmax_t value = _Xp;
 };

+template <>
+struct __static_gcd<0, 0>
+{
+    static const intmax_t value = 1;
+};
+
 // __static_lcm

 template <intmax_t _Xp, intmax_t _Yp>