//**************************************************************************
// header file for a library of auxiliary mathematical functions
//**************************************************************************

#ifndef MYMATH_H
#define MYMATH_H

const float PI = 3.1415926;
const double TOLERANCE = 0.0000001;

//************************************************************************
// function to return the gcd of two integers
//************************************************************************
int gcd(int a, int b);


//************************************************************************
// function to find and return the lowest commmom multiple of two numbers
//************************************************************************
int lcm(int a, int b);


//************************************************************************
// function to exchange the values stored in two integer locations
//************************************************************************
void swap(int& a, int& b);


//************************************************************************
// function to exchange the values stored in two float locations
//************************************************************************
void swap(float& a, float& b);


//************************************************************************
// function to determine if two floating point numbers are "equal",
// that is there are within TOLERANCE of each other.
//************************************************************************
bool dEqual(double a, double b);


#endif