/*********************************************************************
  C201 Computer Programming II
  Fall 2006
  Dana Vrajitoru &

  Definition of the class Student_rec.

**********************************************************************/

#include "student_rec.h"

#include <iostream>
using namespace std;
#include <cstring>

// Constructors
// Default constructor.
Student_rec::Student_rec()
{
  strcpy(name, "");
  id = 0;
  gpa = 0.0;
}

// Constructor with explicit name and id.
Student_rec::Student_rec(char *the_name, int the_id)
{
  strcpy(name, the_name);
  id = the_id;
  gpa = 0.0;
}

// Copy constructor
Student_rec::Student_rec(Student_rec &data)
{
  strcpy(name, data.name);
  id = data.id;
  gpa = data.gpa;
}

// Destructor
Student_rec::~Student_rec()
{ ; }

// Inputs the name and the id from the user.
void Student_rec::Input_rec()
{
  cout << "Enter the student name" 
       << endl;
  cin >> name;
  cout << "Enter the student id" << endl;
  cin >> id;
  gpa = 0;
}

// Outputs the content of the object.
void Student_rec::Output_rec()
{
  cout << "Name: " << name 
       << " Id: " << id
       << " Gpa: " << gpa 
       << endl;
}

// Computes the gpa from a set of courses.
void Student_rec::Compute_gpa(float *grades, int number_courses)
{
  float sum = 0;
  for(int i=0; i<number_courses; i++)
    sum += grades[i];
  // Setting the value of a data member.
  if (number_courses > 0)
    gpa = sum / number_courses;
  else
    gpa = 0;
}