//file:mylibrary
//Programmer: Kei Tamura
//Date: November 26, 2017
//This file contains a library of useful functions.
//-------------------------------------------------------------------
#include <cmath>
using namespace std;

bool isLeap(int year)
{
   if(year%400 == 0)
     return true;
   else if (year%4 == 0)
     return true;
   else if (year%100 != 0)
     return true;
   else
     return false;
}
//-------------------------------------------------------------------
double projectileRange(double velocity, double angle)
{
  const double PI = 3.14159265;

  return ((velocity * velocity) * sin(angle*PI/90))/ 9.81;

}
//-------------------------------------------------------------------
double projectileTime(double velocity, double angle)
{
  const double PI = 3.14159265;

  return ((2 * velocity * sin(angle*PI/180))) / 9.81;

}
//-------------------------------------------------------------------
void printDivisors(int n)
{
  for(int div = 1; div <= n; div++)
  {
    if(n % div == 0)
     cout << div << endl;
  }
}
//-------------------------------------------------------------------
void stats(int a, int b, int c, int &smallest, int &largest, double &average)
{
   smallest = a;

   if (smallest > b) smallest = b;
   if (smallest > c) smallest = c;

   largest = a;

   if (largest < b) largest = b;
   if (largest < c) largest = c;

   average = (a + b + c) / 3;
}
//-------------------------------------------------------------------
//End of mylibrary