?? grade.cpp
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#include<stdexcept>
#include<vector>
#include"grade.h"
#include"median.h"
#include"Student_info.h"
using namespace std;
//compute a student's overall grade from midterm and final exam grades
double grade(double midterm,double final,double homework)
{
return 0.2*midterm+0.4*final+0.4*homework;
}
//compute a student's overall grade from minterm and final exam grades
//and vector of homework grades
//this funtion does not copy its argument median does so far
double grade(double midterm,double final,const vector<double>& hw)
{
if(hw.size()==0)
throw domain_error("student has done no homework");
return grade(midterm,final,median(hw));
}
double grade(const Student_info& s)
{
return grade(s.midterm,s.final,s.homework);
}
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