模板函数重载带默认参数?

[PowerOffHong]

#include <iostream.h>
float Max(float a,float b,float c=10)
{
if (a>=b&&a>=c)return a;
if (b>=a&&b>=c)return b;
if (c>=a&&c>=b)return c;
}

template <class T>
T Max(T a,T b,T c)
{
if (a>=b&&a>=c)return a;
if (b>=a&&b>=c)return b;
if (c>=a&&c>=b)return c;
}
void main()
{
cout<<Max(2,1,4)<<endl;
cout<<Max('a','b','c')<<endl;
cout <<Max(2.1,1.4,3.9)<<endl;
cout <<Max(2.0f,3.1f)<<endl;//为什么提示该句错误??
}
程序错在哪里了?

[clever101]

[Quote=引用楼主 PowerOffHong 的帖子:]
#include <iostream.h>
float Max(float a,float b,float c=10)
{
if (a>=b&&a>=c)return a;
if (b>=a&&b>=c)return b;
if (c>=a&&c>=b)return c;
}

template <class T>
T Max(T a,T b,T c)
{
if (a>=b&&a>=c)return a;
if (b>=a&&b>=c)return b;
if (c>=a&&c>=b)return c;
}
void main()
{
cout < <Max(2,1,4) < <endl;
cout < <Max('a','b','c') < <endl;
cout < <Max(2.1,1.4,3.9) …
[/Quote]


模板函数template <class T>
T Max(T a,T b,T c) 把一般函数float Max(float a,float b,float c=10)屏蔽了.我很费解你既然定义了template <class T>
T Max(T a,T b,T c),为何还定义float Max(float a,float b,float c=10).

[PowerOffHong]

屏蔽?首先调用一般函数,Max(2.0f,3.1f) 不是调用有默认参数的函数吗?

[PowerOffHong]

模板函数也可以重载,非模板函数优先匹配,怎么屏蔽?

[clever101]

参考这篇文章：
http://blog.csdn.net/danky/archive/2007/04/16/1567034.aspx

[PowerOffHong]

xiele