From: Zheng Chen <chanchengcc@gmail.com>
Subject: msvcrt: Correct atan/exp/tanh errno setting
Message-Id: <CA+ibcXE35+vgGt+MZj-yKuuA_Jfu6NZw=2KaDJVb8JQK4m0xow@mail.gmail.com>
Date: Tue, 24 Mar 2015 18:09:50 +0800

---
 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);
 }


-- 
2.3.3

<div dir="ltr"><div><br></div><div>---</div><div> dlls/msvcrt/math.c | 6 +++---</div><div> 1 file changed, 3 insertions(+), 3 deletions(-)</div><div><br></div><div>diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c</div><div>index acac35d..73f01aa 100644</div><div>--- a/dlls/msvcrt/math.c</div><div>+++ b/dlls/msvcrt/math.c</div><div>@@ -363,7 +363,7 @@ double CDECL MSVCRT_asin( double x )</div><div>  */</div><div> double CDECL MSVCRT_atan( double x )</div><div> {</div><div>-  if (!isfinite(x)) *MSVCRT__errno() = MSVCRT_EDOM;</div><div>+  if (isnan(x)) *MSVCRT__errno() = MSVCRT_EDOM;</div><div>   return atan(x);</div><div> }</div><div> </div><div>@@ -399,7 +399,7 @@ double CDECL MSVCRT_cosh( double x )</div><div>  */</div><div> double CDECL MSVCRT_exp( double x )</div><div> {</div><div>-  if (!isfinite(x)) *MSVCRT__errno() = MSVCRT_EDOM;</div><div>+  if (isnan(x)) *MSVCRT__errno() = MSVCRT_EDOM;</div><div>   return exp(x);</div><div> }</div><div> </div><div>@@ -484,7 +484,7 @@ double CDECL MSVCRT_tan( double x )</div><div>  */</div><div> double CDECL MSVCRT_tanh( double x )</div><div> {</div><div>-  if (!isfinite(x)) *MSVCRT__errno() = MSVCRT_EDOM;</div><div>+  if (isnan(x)) *MSVCRT__errno() = MSVCRT_EDOM;</div><div>   return tanh(x);</div><div> }</div><div> </div><div>-- </div><div>2.3.3</div><div><br></div></div>