msvcrt: Make the cosh 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>
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@ -2776,6 +2776,7 @@ static double __expo2(double x, double sign)
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double CDECL cosh( double x )
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{
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UINT64 ux = *(UINT64*)&x;
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UINT64 sign = ux & 0x8000000000000000ULL;
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UINT32 w;
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double t;
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@ -2803,6 +2804,9 @@ double CDECL cosh( double x )
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/* |x| > log(DBL_MAX) or nan */
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/* note: the result is stored to handle overflow */
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if (ux > 0x7ff0000000000000ULL)
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*(UINT64*)&t = ux | sign | 0x0008000000000000ULL;
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else
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t = __expo2(x, 1.0);
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return t;
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}
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