bpo-38629: implement __floor__ and __ceil__ for float type (GH-16985)
diff --git a/Objects/floatobject.c b/Objects/floatobject.c
index 20a5155..4fc412b 100644
--- a/Objects/floatobject.c
+++ b/Objects/floatobject.c
@@ -905,6 +905,34 @@
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 @@
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