首页 诗词 字典 板报 句子 名言 友答 励志 学校 网站地图
当前位置: 首页 > 教程频道 > 开发语言 > C++ >

执行顺序有关问题!

2012-03-11 
执行顺序问题!!!程序如下:#include iostreamusingstd::coutusingstd::endldoublelarger(doublea,doubl

执行顺序问题!!!
程序如下:
#include <iostream>
using   std::cout;
using   std::endl;

double   larger(double   a,double   b);

int   main()
{
double   a_double=1.5,b_double=2.5;
cout < < "The   larger   of   double   values   "
< <a_double < < "   and   " < <b_double < < "   is   "
< <larger(a_double,b_double) < <endl;
return   0;
}

double   larger(double   a,double   b)
{
cout < < "double   larger()   called " < <endl;
return   a> b?a:b;
}

运行顺序应该是先运行cout < < "The   larger   of   double   values   "
< <a_double < < "   and   " < <b_double < < "   is   "
然后再运行调用程序 < <larger(a_double,b_double) < <endl;
应该是顺序执行嘛!!!
那结果应该是:
The   larger   of   double   values   1.5   and   2.5   is   double   larger()   called
2.5

但运行结果却是:
double   larger()   called
The   larger   of   double   values   1.5   and   2.5   is   2.5

请问各位高手这是什么原因呢?

[解决办法]
从右到左运算,从左到右输出.

热点排行