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

  Definition of the structure Employee and functions to manipulate it.

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

#ifndef EMPLOYEE_H
#define EMPLOYEE_H

enum Flags { hourly_flag = 3, gender_flag = 4 };
enum Gender { male, female };

struct Employee_rec 
{
  char name[20];
  int id;
  float salary;
};

// Outputs the values in an employee record.
void Output_rec(Employee_rec person);

// Outputs all the records in an array.
void Output_all(Employee_rec staff[], int size);

// Inputs the values in an employee record.
void Input_rec(Employee_rec &person);

// Inputs all the records in an array. This supposes that the size is
// known and the array has been allocated before.
void Input_all(Employee_rec staff[], int size);

// Sorts all the records in an array by the name.
void Sort_by_name(Employee_rec staff[], int size);

// Sorts all the records in an array by the id.
void Sort_by_id(Employee_rec staff[], int size);

// Sorts all the records in an array by the salary.
void Sort_by_salary(Employee_rec staff[], int size);

// Checks if the person is an hourly employee.
bool Is_hourly(Employee_rec person);

// Checks if the person is male.
bool Is_male(Employee_rec person);

// Checks if the person is female.
bool Is_female(Employee_rec person);

// Sets the hourly flag of the person's id to true.
void Set_hourly(Employee_rec &person);

// Sets the gender of the employee as male or female.
void Set_gender(Employee_rec &person, Gender mf);

// Outputs all of the hourly employees in the staff.
void Output_all_hourly(Employee_rec staff[], int size);

// Outputs all the employees with gender information.
void Output_all_gender(Employee_rec staff[], int size);

// Bitwise operations

// Extracts the value of a bit in the binary representation of a
// number.
int Bit_extract(int n, int i);

// Sets the bit at position i to the 0.
void Set_zero_bit(int &n, int i);

// Sets the bit at position i to 1.
void Set_one_bit(int &n, int i);

// Negates all the bits in the number n except for the sign bit.
void Negate_bits(int &n);


#endif