Function round

lib/core/compat.py:226–238

>>> round(2.0) 2.0 >>> round(2.5) 3.0

(x, d=0)

# Reference: http://python3porting.com/differences.html
def round(x, d=0):
    """
    >>> round(2.0)
    2.0
    >>> round(2.5)
    3.0
    """

    p = 10 ** d
    if x > 0:
        return float(math.floor((x * p) + 0.5)) / p
    else:
        return float(math.ceil((x * p) - 0.5)) / p

# Reference: https://code.activestate.com/recipes/576653-convert-a-cmp-function-to-a-key-function/
def cmp_to_key(mycmp):