peng/functions.py
def _to_eng_tuple(number):
    """
    Return tuple with mantissa and exponent of number formatted in engineering notation.

    :param number: Number
    :type  number: integer or float

    :rtype: tuple
    """
    # pylint: disable=W0141
    # Helper function: split integer and fractional part of mantissa
    #  + ljust ensures that integer part in engineering notation has
    #    at most 3 digits (say if number given is 1E4)
    #  + rstrip ensures that there is no empty fractional part
    split = lambda x, p: (x.ljust(3 + neg, "0")[:p], x[p:].rstrip("0"))
    # Convert number to scientific notation, a "constant" format
    mant, exp = to_scientific_tuple(number)
    mant, neg = mant.replace(".", ""), mant.startswith("-")
    # New values
    new_mant = ".".join(filter(None, split(mant, 1 + (exp % 3) + neg)))
    new_exp = int(3 * math.floor(exp / 3))
    return NumComp(new_mant, new_exp)
def _to_eng_tuple(number):
    # pylint: disable=W0141
    # Helper function: split integer and fractional part of mantissa
    #  + ljust ensures that integer part in engineering notation has
    #    at most 3 digits (say if number given is 1E4)
    #  + rstrip ensures that there is no empty fractional part
    split = lambda x, p: (x.ljust(3 + neg, "0")[:p], x[p:].rstrip("0"))
    # Convert number to scientific notation, a "constant" format
    mant, exp = to_scientific_tuple(number)
    mant, neg = mant.replace(".", ""), mant.startswith("-")
    # New values
    new_mant = ".".join(filter(None, split(mant, 1 + (exp % 3) + neg)))
    new_exp = int(3 * math.floor(exp / 3))
    return NumComp(new_mant, new_exp)
def _to_eng_tuple ( number ) : # pylint: disable=W0141 # Helper function: split integer and fractional part of mantissa #  + ljust ensures that integer part in engineering notation has #    at most 3 digits (say if number given is 1E4) #  + rstrip ensures that there is no empty fractional part split = lambda x , p : ( x . ljust ( 3 + neg , "0" ) [ : p ] , x [ p : ] . rstrip ( "0" ) ) # Convert number to scientific notation, a "constant" format mant , exp = to_scientific_tuple ( number ) mant , neg = mant . replace ( "." , "" ) , mant . startswith ( "-" ) # New values new_mant = "." . join ( filter ( None , split ( mant , 1 + ( exp % 3 ) + neg ) ) ) new_exp = int ( 3 * math . floor ( exp / 3 ) ) return NumComp ( new_mant , new_exp )
Return tuple with mantissa and exponent of number formatted in engineering notation.

    :param number: Number
    :type  number: integer or float

    :rtype: tuple
Return tuple with mantissa and exponent of number formatted in engineering notation .