Python diop_general_sum_of_even_powers示例

示例#1

def test_diop_sum_of_even_powers():
    eq = x ** 4 + y ** 4 + z ** 4 - 2673
    assert diop_solve(eq) == set([(3, 6, 6), (2, 4, 7)])
    assert diop_general_sum_of_even_powers(eq, 2) == set([(3, 6, 6), (2, 4, 7)])
    raises(NotImplementedError, lambda: diop_general_sum_of_even_powers(-eq, 2))
    neg = symbols("neg", negative=True)
    eq = x ** 4 + y ** 4 + neg ** 4 - 2673
    assert diop_general_sum_of_even_powers(eq) == set([(-3, 6, 6)])
    assert diophantine(x ** 4 + y ** 4 + 2) == set()
    assert diop_general_sum_of_even_powers(x ** 4 + y ** 4 - 2, limit=0) == set()

示例#2

文件： test_diophantine.py 项目： akhilanand0011/sympy

def test_diop_sum_of_even_powers():
    eq = x**4 + y**4 + z**4 - 2673
    assert diop_solve(eq) == set([(3, 6, 6), (2, 4, 7)])
    assert diop_general_sum_of_even_powers(eq, 2) == set(
        [(3, 6, 6), (2, 4, 7)])
    raises(NotImplementedError, lambda: diop_general_sum_of_even_powers(-eq, 2))
    neg = symbols('neg', negative=True)
    eq = x**4 + y**4 + neg**4 - 2673
    assert diop_general_sum_of_even_powers(eq) == set([(-3, 6, 6)])
    assert diophantine(x**4 + y**4 + 2) == set()
    assert diop_general_sum_of_even_powers(x**4 + y**4 - 2, limit=0) == set()