函数指针数组

//计算器程序中使用函数指针数组v1.0
///作者:郝效禹
#include "stdio.h"
double add(double a,double b)
{
return a + b;
}
double sub(double a,double b)
{
return a - b;
}
double mul(double a,double b)
{
return a * b;
}
double div(double a,double b)
{
return a / b;
}
//可在此处添加别的运算函数
double (*oper_func[])(double,double) = {
add,sub,mul,div//.......相应增加函数地址
};

void main()
{
double result;
result = oper_func[0](3.0,2.0);
printf("%f\n",result);
result = oper_func[1](3.0,2.0);
printf("%f\n",result);
}