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Issue #12345: Add mathemathcal constant tau to math and cmath.

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Patch by Lisa Roach. See also PEP 628.
This commit is contained in:
Guido van Rossum 2016-08-15 09:12:52 -07:00
parent 6349612a8e
commit 0a891d70de
7 changed files with 23 additions and 2 deletions
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1
Modules/mathmodule.c
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@ -2144,6 +2144,7 @@ PyInit_math(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 */
PyModule_AddObject(m, "inf", PyFloat_FromDouble(m_inf()));
#if !defined(PY_NO_SHORT_FLOAT_REPR) || defined(Py_NAN)
PyModule_AddObject(m, "nan", PyFloat_FromDouble(m_nan()));