francomatica/lib/advanced_math.js

Es un modulo de matematicas para certi 1 y 3. 2014

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

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
};