Python brute示例

示例#1

文件： test_tree.py 项目： A-turing-machine/sympy

def test_brute():
    inc = lambda x: x+1
    dec = lambda x: x-1
    square = lambda x: x**2
    tree = ([inc, dec], square)
    fn = brute(tree, lambda x: -x)

    assert fn(2) == (2 + 1)**2
    assert fn(-2) == (-2 - 1)**2

    assert brute(inc)(1) == 2

示例#2

文件： test_tree.py 项目： Maihj/sympy

def test_brute():
    inc = lambda x: x + 1
    dec = lambda x: x - 1
    square = lambda x: x**2
    tree = ([inc, dec], square)
    fn = brute(tree, lambda x: -x)

    assert fn(2) == (2 + 1)**2
    assert fn(-2) == (-2 - 1)**2

    assert brute(inc)(1) == 2