| """Mathematical functions.""" | |
| import random | |
| class RandomNumberGenerator: | |
| """ | |
| Generate random numbers. | |
| Python uses the Mersenne Twister as the core generator. | |
| It produces 53-bit precision floats and has a period of 2**19937-1 | |
| """ | |
| def __init__(self, seed: int = 494) -> None: | |
| """494 = sum([ord(i) for i in 'HADDOCK']).""" | |
| self.seed = seed | |
| self.random = random.Random() | |
| self.random.seed(self.seed) | |
| def __call__(self, lower_limit: float = 0.0, upper_limit: float = 1.0) -> float: | |
| """Generate a random number between range.""" | |
| return self.random.uniform(lower_limit, upper_limit) | |
| def randint(self, lower_limit: int = 0, upper_limit: int = 9) -> int: | |
| """Generate a random integer.""" | |
| return lower_limit + int(self() * (upper_limit - lower_limit + 1)) | |