| | import random |
| | import math |
| |
|
| |
|
| | class RoundedAmount: |
| | def __init__(self, min, max): |
| | self.min = min |
| | self.max = max |
| |
|
| | def getAmount(self): |
| | min = int(self.min) |
| | max = int(self.max) |
| | range = max - min |
| | |
| | tentative_step_size = self.__round_up_to_power_of_ten(range) |
| | |
| | |
| | power_of_ten = self.__get_step_size(tentative_step_size, range) |
| |
|
| | num_digits_power_of_ten = self.__number_of_digits(power_of_ten) |
| |
|
| | start = min |
| | if (power_of_ten > 1): |
| | start = self.__get_starting_value(min, num_digits_power_of_ten) |
| | |
| | result = random.randrange(start, max + 1, power_of_ten) |
| | return float(result) |
| |
|
| | |
| | def __get_step_size(self, step_size, range): |
| | slots = range // step_size |
| | if (slots >= 7 and slots <= 30): |
| | return step_size |
| | if (slots < 7): |
| | new_step_size = step_size // 10 |
| | if new_step_size == 0: |
| | return new_step_size |
| | return self.__get_step_size(new_step_size, range) |
| | return self.__get_step_size(step_size * 10, range) |
| |
|
| |
|
| | def __round_up_to_power_of_ten(self, num): |
| | exp = math.ceil(math.log10(num)) |
| | return 10 ** exp |
| |
|
| |
|
| | def __number_of_digits(self, num): |
| | digits = int(math.log10(num)) + 1 |
| | return digits |
| |
|
| | |
| | def __get_starting_value(self, min, num_digits_stepsize): |
| | value = round(min, num_digits_stepsize * -1) |
| | if value < min: |
| | value += 10 ** (num_digits_stepsize - 1) |
| | return value |
| | |
| |
|
