C语言四舍五入函数

 

// 四舍五入
inline int round(double x)
{
 return floor(0.5+x);
}

int _tmain(int argc, _TCHAR* argv[])
{
 int x1 = round(5.8);
 int x2 = round(-5.8);
 int x3 = round(5.3);
 int x4 = round(-5.3);

 return 0;
}