msvcrt: Add errno EDOM setting for atan(NAN)/exp(NAN)/tanh(NAN)
Zheng Chen
chanchengcc at gmail.com
Tue Mar 24 03:01:44 CDT 2015
Thanks to Piotr.
---
dlls/msvcrt/math.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index 12a0be9..efa9733 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -363,6 +363,7 @@ double CDECL MSVCRT_asin( double x )
*/
double CDECL MSVCRT_atan( double x )
{
+ if (isnan(x)) *MSVCRT__errno() = MSVCRT_EDOM;
return atan(x);
}
@@ -398,6 +399,7 @@ double CDECL MSVCRT_cosh( double x )
*/
double CDECL MSVCRT_exp( double x )
{
+ if (isnan(x)) *MSVCRT__errno() = MSVCRT_EDOM;
return exp(x);
}
@@ -482,6 +484,7 @@ double CDECL MSVCRT_tan( double x )
*/
double CDECL MSVCRT_tanh( double x )
{
+ if (isnan(x)) *MSVCRT__errno() = MSVCRT_EDOM;
return tanh(x);
}
--
2.3.3
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