[Python-checkins] cpython (3.3): only define zero constant when it is used

[benjamin.peterson]

http://hg.python.org/cpython/rev/3f93907ab8e1
changeset:   89666:3f93907ab8e1
branch:      3.3
user:        Benjamin Peterson <benjamin at python.org>
date:        Sat Mar 15 11:50:00 2014 -0500
summary:
  only define zero constant when it is used

files:
  Modules/_math.c |  2 ++
  1 files changed, 2 insertions(+), 0 deletions(-)


diff --git a/Modules/_math.c b/Modules/_math.c
--- a/Modules/_math.c
+++ b/Modules/_math.c
@@ -22,7 +22,9 @@
 static const double ln2 = 6.93147180559945286227E-01;
 static const double two_pow_m28 = 3.7252902984619141E-09; /* 2**-28 */
 static const double two_pow_p28 = 268435456.0; /* 2**28 */
+#ifndef Py_NAN
 static const double zero = 0.0;
+#endif
 
 /* acosh(x)
  * Method :

-- 
Repository URL: http://hg.python.org/cpython