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bpo-38629: implement __floor__ and __ceil__ for float type (GH-16985)

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Batuhan Taşkaya 2019-12-16 01:00:28 +03:00 • committed by Victor Stinner
parent b08d3f71be
commit cb8b946ac1
4 changed files with 96 additions and 1 deletions
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30
Objects/floatobject.c
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@ -905,6 +905,34 @@ float___trunc___impl(PyObject *self)
return PyLong_FromDouble(wholepart);
}
/*[clinic input]
float.__floor__
Return the floor as an Integral.
[clinic start generated code]*/
static PyObject *
float___floor___impl(PyObject *self)
/*[clinic end generated code: output=e0551dbaea8c01d1 input=77bb13eb12e268df]*/
{
double x = PyFloat_AS_DOUBLE(self);
return PyLong_FromDouble(floor(x));
}
/*[clinic input]
float.__ceil__
Return the ceiling as an Integral.
[clinic start generated code]*/
static PyObject *
float___ceil___impl(PyObject *self)
/*[clinic end generated code: output=a2fd8858f73736f9 input=79e41ae94aa0a516]*/
{
double x = PyFloat_AS_DOUBLE(self);
return PyLong_FromDouble(ceil(x));
}
/* double_round: rounds a finite double to the closest multiple of
10**-ndigits; here ndigits is within reasonable bounds (typically, -308 <=
ndigits <= 323). Returns a Python float, or sets a Python error and
@ -1828,6 +1856,8 @@ float___format___impl(PyObject *self, PyObject *format_spec)
static PyMethodDef float_methods[] = {
FLOAT_CONJUGATE_METHODDEF
FLOAT___TRUNC___METHODDEF
FLOAT___FLOOR___METHODDEF
FLOAT___CEIL___METHODDEF
FLOAT___ROUND___METHODDEF
FLOAT_AS_INTEGER_RATIO_METHODDEF
FLOAT_FROMHEX_METHODDEF