#include "popunit.h"
#include <stdlib.h>
#include <string>
#include <stdio.h>
#include <iostream.h>
#include <math.h>

  inline Popunit::Popunit(double wcoord, double ncoord,
           int newpop, int a_name_num, string a_name): 
           west(wcoord), north(ncoord), pop(newpop), name_num(a_name_num),
           name(a_name)  {}  
  Popunit::~Popunit(){}
  inline void Popunit::set(double wcoord, double ncoord,
           int newpop, int a_name_num, string a_name) 
  {
    west = wcoord; 
    north = ncoord;
    pop = newpop;  
    name_num =
    a_name_num;
    name = a_name;  
  }
  double Popunit::get_distance(const class Popunit& x) const
  {
    double netwest = x.west - west;
    double netnorth = x.north - north;
    
    return(sqrt(netwest*netwest + netnorth*netnorth));  
  }