Martin Storsjo : msvcrt: Fix the fallback implementation of asinh for large negative values.
Alexandre Julliard
julliard at winehq.org
Thu Apr 25 16:39:26 CDT 2019
Module: wine
Branch: master
Commit: fc1107382b7f965103476babee74e74854f167e6
URL: https://source.winehq.org/git/wine.git/?a=commit;h=fc1107382b7f965103476babee74e74854f167e6
Author: Martin Storsjo <martin at martin.st>
Date: Tue Apr 23 10:00:04 2019 +0300
msvcrt: Fix the fallback implementation of asinh for large negative values.
Signed-off-by: Martin Storsjo <martin at martin.st>
Signed-off-by: Piotr Caban <piotr at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/msvcrt/math.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index c893c83..21f1f9b 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -3063,7 +3063,10 @@ double CDECL MSVCR120_asinh(double x)
#ifdef HAVE_ASINH
return asinh(x);
#else
- if (!isfinite(x*x+1)) return log(2) + log(x);
+ if (!isfinite(x*x+1)) {
+ if (x > 0) return log(2) + log(x);
+ else return -log(2) - log(-x);
+ }
return log(x + sqrt(x*x+1));
#endif
}
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