test_funcs.py 文件源码

def do_evaluate(self, x):
        zh1 = (lambda v: 9 - v[0] - v[1])
        zh2 = (lambda v: (v[0] - 3) ** 2 + (v[1] - 2) ** 2 - 16)
        zh3 = (lambda v: v[0] * v[1] - 14)
        zp = (lambda v: 100 * (1 + v))
        px = [
            zh1(x),
            zp(zh2(x)) * sign(zh2(x)),
            zp(zh3(x)) * sign(zh3(x)),
            zp(-x[0]) * sign(x[0]),
            zp(-x[1]) * sign(x[1])
        ]
        return numpy.fmin(max(px), self.fmax)


# Below are all 1D functions