pro_tian的专栏

http://www.cnblogs.com/mlj318/archive/2011/10/09/2203510.html 环境宏定义 http://blog.youkuaiyun.com/akof1314/article/details/7190822 多项目目录结构定义 http://www.cnblogs.com/lidabo/archive/2012/08/27/2658903.html 个人

函数原型： double