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msvcrt: Make the sinh function NAN preserving. 

Signed-off-by: Martin Storsjo <martin@martin.st>
Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Martin Storsjo 2021-07-28 14:42:14 +02:00 committed by Alexandre Julliard
parent 60d178b410
commit 11166aa01e
1 changed files with 5 additions and 1 deletions
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6
dlls/msvcrt/math.c
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@ -4046,6 +4046,7 @@ double CDECL sin( double x )
double CDECL sinh( double x )
{
UINT64 ux = *(UINT64*)&x;
UINT64 sign = ux & 0x8000000000000000ULL;
UINT32 w;
double t, h, absx;
@ -4070,7 +4071,10 @@ double CDECL sinh( double x )
/* |x| > log(DBL_MAX) or nan */
/* note: the result is stored to handle overflow */
t = __expo2(absx, 2 * h);
if (ux > 0x7ff0000000000000ULL)
*(UINT64*)&t = ux | sign | 0x0008000000000000ULL;
else
t = __expo2(absx, 2 * h);
return t;
}