aureooms-js-number/test/src/logarithmic/loglog2.js

Primitive number type arithmetic for JavaScript

import test from 'ava' ;
import * as number from '../../../src' ;
import algo from "aureooms-js-algo" ;

const epsilon = 1e-6 ;

const compare = algo . __relepsilon__ ( epsilon ) ;

test ( "loglog2" , t => {

	const one = function ( n , expected ) {

		const computed = number.loglog2 ( n ) ;

		const isok = compare ( computed , expected ) === 0 ;

		t.truthy ( isok , "loglog2 ( " + n + " ) is " + expected + " got " + computed ) ;

	} ;

	one ( Math.pow ( 2 , 1 ) , 0 ) ;
	one ( Math.pow ( 2 , 2 * 2 * 2 ) , 3 ) ;
	one ( Math.pow ( 2 , 2 * 2 * 2 * 2 ) , 4 ) ;

	one ( Math.pow ( 2 * 2 * 2 * Math.sqrt ( 2 ) ) , 3.5 ) ;

} ) ;