msvcr120: Add fallback implementation of asinh.

Signed-off-by: Piotr Caban <piotr@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

msvcr120: Add fallback implementation of asinh.
4df7ced7 · Piotr Caban · Alexandre Julliard · e495e25a · 4df7ced7
Commit 4df7ced7 authored Jul 12, 2017 by Piotr Caban Committed by Alexandre Julliard Jul 13, 2017
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math.c dlls/msvcrt/math.c +3 -4

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--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -2873,8 +2873,8 @@ double CDECL MSVCR120_asinh(double x)
 #ifdef HAVE_ASINH
    return asinh(x);
 #else
-    FIXME( "not implemented\n" );
-    return 0.0;
+    if (!isfinite(x*x+1)) return log(2) + log(x);
+    return log(x + sqrt(x*x+1));
 #endif
 }

@@ -2886,8 +2886,7 @@ float CDECL MSVCR120_asinhf(float x)
 #ifdef HAVE_ASINHF
    return asinhf(x);
 #else
-    FIXME( "not implemented\n" );
-    return 0.0f;
+    return MSVCR120_asinh(x);
 #endif
 }