From 4fd9daea4a79d0826c9e5ab6466291043e40d579 Mon Sep 17 00:00:00 2001
From: Martin Storsjo <martin@martin.st>
Date: Wed, 28 Jul 2021 14:41:57 +0200
Subject: [PATCH] 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>
---
 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 92bf12b4d54..29912431bcd 100644
--- 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;
 }