diff options
| -rw-r--r-- | src/System.Private.CoreLib/shared/System/Number.Parsing.cs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/System.Private.CoreLib/shared/System/Number.Parsing.cs b/src/System.Private.CoreLib/shared/System/Number.Parsing.cs index 70fc9aea8..c6ae34d05 100644 --- a/src/System.Private.CoreLib/shared/System/Number.Parsing.cs +++ b/src/System.Private.CoreLib/shared/System/Number.Parsing.cs @@ -956,6 +956,9 @@ namespace System public static unsafe ulong Mantissa(double d) => *((ulong*)&d) & 0x000fffffffffffff; + + public static unsafe bool Sign(double d) => + (*((uint*)&d + 1) >> 31) != 0; } } } |