Zheng Chen : msvcrt: Correct atan/exp/tanh errno setting.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e95dbb3b747dcd92b614578b3ca4b1c2dbfdaece
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=e95dbb3b747dcd92b614578b3ca4b1c2dbfdaece

Author: Zheng Chen <chanchengcc at gmail.com>
Date:   Tue Mar 24 18:09:50 2015 +0800

msvcrt: Correct atan/exp/tanh errno setting.

---

 dlls/msvcrt/math.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index acac35d..73f01aa 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -363,7 +363,7 @@ double CDECL MSVCRT_asin( double x )
  */
 double CDECL MSVCRT_atan( double x )
 {
-  if (!isfinite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
+  if (isnan(x)) *MSVCRT__errno() = MSVCRT_EDOM;
   return atan(x);
 }
 
@@ -399,7 +399,7 @@ double CDECL MSVCRT_cosh( double x )
  */
 double CDECL MSVCRT_exp( double x )
 {
-  if (!isfinite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
+  if (isnan(x)) *MSVCRT__errno() = MSVCRT_EDOM;
   return exp(x);
 }
 
@@ -484,7 +484,7 @@ double CDECL MSVCRT_tan( double x )
  */
 double CDECL MSVCRT_tanh( double x )
 {
-  if (!isfinite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
+  if (isnan(x)) *MSVCRT__errno() = MSVCRT_EDOM;
   return tanh(x);
 }