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bpo-37548: Document range of atan, acos and asin (GH-14717)

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Giovanni Cappellotto 2019-07-13 09:59:55 -04:00 • committed by Mark Dickinson
parent e6b46aafad
commit dc3f99fa77
3 changed files with 13 additions and 6 deletions
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9
Modules/mathmodule.c
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@ -1072,19 +1072,22 @@ math_2(PyObject *const *args, Py_ssize_t nargs,
FUNC1(acos, acos, 0,
"acos($module, x, /)\n--\n\n"
"Return the arc cosine (measured in radians) of x.")
"Return the arc cosine (measured in radians) of x.\n\n"
"The result is between 0 and pi.")
FUNC1(acosh, m_acosh, 0,
"acosh($module, x, /)\n--\n\n"
"Return the inverse hyperbolic cosine of x.")
FUNC1(asin, asin, 0,
"asin($module, x, /)\n--\n\n"
"Return the arc sine (measured in radians) of x.")
"Return the arc sine (measured in radians) of x.\n\n"
"The result is between -pi/2 and pi/2.")
FUNC1(asinh, m_asinh, 0,
"asinh($module, x, /)\n--\n\n"
"Return the inverse hyperbolic sine of x.")
FUNC1(atan, atan, 0,
"atan($module, x, /)\n--\n\n"
"Return the arc tangent (measured in radians) of x.")
"Return the arc tangent (measured in radians) of x.\n\n"
"The result is between -pi/2 and pi/2.")
FUNC2(atan2, m_atan2,
"atan2($module, y, x, /)\n--\n\n"
"Return the arc tangent (measured in radians) of y/x.\n\n"