math_chay/lib/advanced_math.js

Es un modulo de matematicas para certi 1

var call_counter = require("./call_counter.js");


function multiply(x,y)
{
	call_counter();
	return x * y;
}

function divide(x,y)
{
	call_counter();
	return x / y;
}

function fibo(count)
{
	call_counter();
	return private_fibo(count);
}

function private_fibo(count,counter, first, second)
{
	if (count==0)
	{
		return 0;
	}
	if (counter==undefined)
	{
		counter=1;
		first=1;
		second=2;
	}
	result=first + second;
	if (counter==count)
	{
		return result;
	}
	private_fibo(count, ++counter, second, result);
	return result;
}

module.exports=
{
	multiplication:multiply,
	division:divide,
	fibonacci:fibo
}