double payCalc(double P,double yir, double y)
{
double mir, a, b, c, d, e, f, Payment;
mir = yir/1200;
a = 1+mir;
b = 1/a;`?`enter code here`
c = 12*y;
d = pow(b,c);
e = 1-d;
f = P*mir;":?
return Payment;
}
int main ()
{
cout<<fixed<<setprecision(2); //setting
double P, yir, y;
cin>>P>>yir>>y;
double payCalc(P, yir, y);
cout<<"Principal: "<<P<<" Interest Rate: "<<yir<<" Years: "<<y<<
" Payment: "<<payCalc<<endl;
}
计算房屋付款,无法摆脱上述错误。工资委员会正在计算付款,而int main()将瓦巴莱斯插入paycalc
以下代码行是声明,而不是函数调用
double payCalc(P, yir, y);
编译器认为您要声明具有double
类型的变量payCalc
并初始化。由于您有一个表达式列表,而不是单个值或单个表达式,因此编译器向错误投诉:
error: expression list treated as compound expression in initializer [-fpermissive]
如果要使用参数 P, yir, y
调用函数payCalc
,请删除double
:
payCalc(P, yir, y);
注意:您发布的代码中有流浪字符。