msvcrt: Make the sinhf 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>

msvcrt: Make the sinhf function NAN preserving.
4fd9daea · Martin Storsjo · Alexandre Julliard · 36114325 · 4fd9daea
Commit 4fd9daea authored Jul 28, 2021 by Martin Storsjo Committed by Alexandre Julliard Jul 28, 2021
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math.c dlls/msvcrt/math.c +4 -1

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--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -1699,7 +1699,10 @@ float CDECL sinhf( float x )
    }

    /* |x| > logf(FLT_MAX) or nan */
-    t = __expo2f(absx, 2 * h);
+    if (ui > 0x7f800000)
+        *(DWORD*)&t = *(DWORD*)&x | 0x400000;
+    else
+        t = __expo2f(absx, 2 * h);
    return t;
 }