Mapytex/mapytex/geometry/pythagore.py

#!/usr/bin/env python
# encoding: utf-8


from random import randint


def random_pythagore(v_min=1, v_max=10, nbr_format=lambda x: x):
    """ Generate a pythagore triplet
    :returns: (a,b,c) such that a^2 = b^2 + c^2

    """
    u, v = randint(v_min, v_max), randint(v_min, v_max)
    while u == v:
        u, v = randint(v_min, v_max), randint(v_min, v_max)
    u, v = max(u, v), min(u, v)
    triplet = (u ** 2 + v ** 2, 2 * u * v, u ** 2 - v ** 2)
    formated_triplet = [nbr_format(i) for i in triplet]
    return formated_triplet


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