test_hyperexpand.py 文件源码

def test_Mod1_behavior():
    from sympy import Symbol, simplify, lowergamma
    n = Symbol('n', integer=True)
    # Note: this should not hang.
    assert simplify(hyperexpand(meijerg([1], [], [n + 1], [0], z))) == \
        lowergamma(n + 1, z)