def cpvrotate(self, other):
        """Uses complex multiplication to rotate this vector by the other. """
        return Vec2d(self.y*other.y - self.x*other.x, self.x*other.y + self.y*other.x)
dataset/ETHPy150Open viblo/pymunk/dump/body_bench_cffi.py/Vec2d.cpvrotate/swapped operands of `-`