sphere.py 文件源码

def from_point_pair(cls, a, b):
        assert math.fabs(a) <= math.pi
        assert math.fabs(b) <= math.pi
        if a == -math.pi:
            a = math.pi
        if b == -math.pi:
            b = math.pi
        if cls.positive_distance(a, b) <= math.pi:
            return cls(a, b, args_checked=True)
        else:
            return cls(b, a, args_checked=True)