diff options
Diffstat (limited to 'Modules/mathmodule.c')
| -rw-r--r-- | Modules/mathmodule.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c index 1837de4735c..033de0b2907 100644 --- a/Modules/mathmodule.c +++ b/Modules/mathmodule.c @@ -1233,6 +1233,23 @@ FUNC2(remainder, m_remainder, "Return x - n*y where n*y is the closest integer multiple of y.\n" "In the case where x is exactly halfway between two multiples of\n" "y, the nearest even value of n is used. The result is always exact.") + +/*[clinic input] +math.signbit + + x: double + / + +Return True if the sign of x is negative and False otherwise. +[clinic start generated code]*/ + +static PyObject * +math_signbit_impl(PyObject *module, double x) +/*[clinic end generated code: output=20c5f20156a9b871 input=3d3493fbcb5bdb3e]*/ +{ + return PyBool_FromLong(signbit(x)); +} + FUNC1D(sin, sin, 0, "sin($module, x, /)\n--\n\n" "Return the sine of x (measured in radians).", @@ -4199,6 +4216,7 @@ static PyMethodDef math_methods[] = { MATH_POW_METHODDEF MATH_RADIANS_METHODDEF {"remainder", _PyCFunction_CAST(math_remainder), METH_FASTCALL, math_remainder_doc}, + MATH_SIGNBIT_METHODDEF {"sin", math_sin, METH_O, math_sin_doc}, {"sinh", math_sinh, METH_O, math_sinh_doc}, {"sqrt", math_sqrt, METH_O, math_sqrt_doc}, |