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floor.py
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"""
https://en.wikipedia.org/wiki/Floor_and_ceiling_functions
"""
deffloor(x: float) ->int:
"""
Return the floor of x as an Integral.
:param x: the number
:return: the largest integer <= x.
>>> import math
>>> all(floor(n) == math.floor(n) for n
... in (1, -1, 0, -0, 1.1, -1.1, 1.0, -1.0, 1_000_000_000))
True
"""
returnint(x) ifx-int(x) >=0elseint(x) -1
if__name__=="__main__":
importdoctest
doctest.testmod()
