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authorGuido van Rossum <guido@dropbox.com>2016-08-15 09:12:52 -0700
committerGuido van Rossum <guido@dropbox.com>2016-08-15 09:12:52 -0700
commit0a891d70ded5fa8b1e6491529a3b531f521b5ae1 (patch)
treee26a1c826888bbd3c40b7775406062ab1b32cca5 /Modules/cmathmodule.c
parent6349612a8e5d5fcb3405e59242b6a2df3127585a (diff)
downloadcpython-git-0a891d70ded5fa8b1e6491529a3b531f521b5ae1.tar.gz
Issue #12345: Add mathemathcal constant tau to math and cmath.
Patch by Lisa Roach. See also PEP 628.
Diffstat (limited to 'Modules/cmathmodule.c')
-rw-r--r--Modules/cmathmodule.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/Modules/cmathmodule.c b/Modules/cmathmodule.c
index cba42a7257..0e7d4db96d 100644
--- a/Modules/cmathmodule.c
+++ b/Modules/cmathmodule.c
@@ -1239,6 +1239,7 @@ PyInit_cmath(void)
PyModule_AddObject(m, "pi",
PyFloat_FromDouble(Py_MATH_PI));
PyModule_AddObject(m, "e", PyFloat_FromDouble(Py_MATH_E));
+ PyModule_AddObject(m, "tau", PyFloat_FromDouble(Py_MATH_TAU)); /* 2pi */
/* initialize special value tables */