maths.number_of_digits

Functions

benchmark(→ None)	Benchmark multiple functions, with three different length int values.
num_digits(→ int)	Find the number of digits in a number.
num_digits_fast(→ int)	Find the number of digits in a number.
num_digits_faster(→ int)	Find the number of digits in a number.

Module Contents

maths.number_of_digits.benchmark() → None

Benchmark multiple functions, with three different length int values.

maths.number_of_digits.num_digits(n: int) → int

Find the number of digits in a number.

>>> num_digits(12345)
5
>>> num_digits(123)
3
>>> num_digits(0)
1
>>> num_digits(-1)
1
>>> num_digits(-123456)
6
>>> num_digits('123')  # Raises a TypeError for non-integer input
Traceback (most recent call last):
    ...
TypeError: Input must be an integer

maths.number_of_digits.num_digits_fast(n: int) → int

Find the number of digits in a number. abs() is used as logarithm for negative numbers is not defined.

>>> num_digits_fast(12345)
5
>>> num_digits_fast(123)
3
>>> num_digits_fast(0)
1
>>> num_digits_fast(-1)
1
>>> num_digits_fast(-123456)
6
>>> num_digits('123')  # Raises a TypeError for non-integer input
Traceback (most recent call last):
    ...
TypeError: Input must be an integer

maths.number_of_digits.num_digits_faster(n: int) → int

Find the number of digits in a number. abs() is used for negative numbers

>>> num_digits_faster(12345)
5
>>> num_digits_faster(123)
3
>>> num_digits_faster(0)
1
>>> num_digits_faster(-1)
1
>>> num_digits_faster(-123456)
6
>>> num_digits('123')  # Raises a TypeError for non-integer input
Traceback (most recent call last):
    ...
TypeError: Input must be an integer