3楼: Originally posted by fhh2626 at 2012-12-03 15:24:51
不过更正确的做法应该是C++的函数模板

2楼: Originally posted by fhh2626 at 2012-12-03 15:23:09
c语言？
double fun(double(* f)(double))
{
   return f((double)3);
}

5楼: Originally posted by xusijing21 at 2012-12-12 20:24:38
我在问一下，怎么在主函数中调用？...

6楼: Originally posted by fhh2626 at 2012-12-12 21:05:10
#include <iostream>
#include <cmath>

double fun(double(* f)(double))
{
   return f((double)3);
}

double plusOne(double a)
{
        return a+1;
}

int main()
{
        using std::cout ...