Function clone$1

libs/echarts/echarts.simple.js:943–948

* 克隆一个向量 * @param {Vector2} v * @return {Vector2}

(v)

 * @return {Vector2}
 */
function clone$1(v) {
    var out = new ArrayCtor(2);
    out[0] = v[0];
    out[1] = v[1];
    return out;
}

/**
 * 设置向量的两个项