msvcrt: remove errno EDOM from atan, exp and tanh

Kevin Chan chanchengcc at gmail.com
Sun Mar 22 08:50:41 CDT 2015


- Fixed the problem of atan(INF)/tanh(INF)/exp(INF) causing errno EDOM

This patch fixes parts of these two bugs: 37149, 37150

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

diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index acac35d..19989c9 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -363,7 +363,6 @@ double CDECL MSVCRT_asin( double x )
  */
 double CDECL MSVCRT_atan( double x )
 {
-  if (!isfinite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
   return atan(x);
 }

@@ -399,7 +398,6 @@ double CDECL MSVCRT_cosh( double x )
  */
 double CDECL MSVCRT_exp( double x )
 {
-  if (!isfinite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
   return exp(x);
 }

@@ -484,7 +482,6 @@ double CDECL MSVCRT_tan( double x )
  */
 double CDECL MSVCRT_tanh( double x )
 {
-  if (!isfinite(x)) *MSVCRT__errno() = MSVCRT_EDOM;
   return tanh(x);
 }

-- 
2.3.3
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