<?php
include_once(dirname(__FILE__) . '/../classes/Equation.class.php');
include_once(dirname(__FILE__) . '/../classes/EquationRenderer.class.php');
include_once(dirname(__FILE__) . '/../classes/NumberFormatter/NumberFormatterNDecimals.class.php');
include_once(dirname(__FILE__) . '/../classes/UnknownRenderer/UnknownRendererHtml.class.php');
/*
* Aim
*
* Based on an equation, creates a HTML readable string of it
* Each coefficient have 2 decimals
*/
/*
* Assuming equation
*
* y = 2x4 + 3x2 - 2x + 10
*
* defined coefficients will be
*/
$coeffs = array(2, 0, 3, -2, 10);
/*
* And then, equation object can be instanced
*/
$equation = new Equation($coeffs);
/*
* Define formatter: 2 decimals
*/
$coeffsFormatter = new NumberFormatterNDecimals(2);
/*
* And now, the unknown renderer for HTML
*/
$unknownRenderer = new UnknownRendererHtml();
/*
* We have everything we need, let's get the render
*
* Result will be
* y = 2.00 x<sup>4</sup> + 3.00 x<sup>2</sup> - 2.00 x + 10.00
*/
$renderer = new EquationRenderer();
print $renderer->render($equation, $coeffsFormatter, $unknownRenderer);
?>
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