[aandrejevic] 67839: [FAST486] Fix the broken math in r67838.

Author: aandrejevic
Date: Thu May 21 00:44:49 2015
New Revision: 67839

URL: http://svn.reactos.org/svn/reactos?rev=67839&view=rev
Log:
[FAST486]
Fix the broken math in r67838.

Modified:
    trunk/reactos/lib/fast486/fpu.c

Modified: trunk/reactos/lib/fast486/fpu.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fast486/fpu.c?rev=67839...
==============================================================================
--- trunk/reactos/lib/fast486/fpu.c	[iso-8859-1] (original)
+++ trunk/reactos/lib/fast486/fpu.c	[iso-8859-1] Thu May 21 00:44:49 2015
@@ -747,9 +747,8 @@
             }
             else
             {
-                /* Lose the MSB */
-                TempResult.Mantissa <<= 1;
-                TempResult.Exponent--;
+                /* Reverse the mantissa */
+                TempResult.Mantissa = -(LONGLONG)TempResult.Mantissa;
             }
         }
     }