Adds new utilities abstract classes as helper methods. Moves the helper class autoloader above the class. Adds option to override the settings.json file.

2022-03-10 01:46:45 +02:00
parent dd3335771c
commit 278f70c8a6
38 changed files with 5696 additions and 3305 deletions
--- a/libraries/jcb_powers/VDM.Joomla/src/Utilities/MathHelper.php
+++ b/libraries/jcb_powers/VDM.Joomla/src/Utilities/MathHelper.php
@ -0,0 +1,100 @@
+<?php
+/**
+ * @package    Joomla.Component.Builder
+ *
+ * @created    30th April, 2015
+ * @author     Llewellyn van der Merwe <http://www.joomlacomponentbuilder.com>
+ * @gitea      Joomla Component Builder <https://git.vdm.dev/joomla/Component-Builder>
+ * @github     Joomla Component Builder <https://github.com/vdm-io/Joomla-Component-Builder>
+ * @copyright  Copyright (C) 2015 Vast Development Method. All rights reserved.
+ * @license    GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace VDM\Joomla\Utilities;
+
+
+/**
+ * Basic Math Helper
+ */
+abstract class MathHelper
+{
+	/**
+	 * bc math wrapper (very basic not for accounting)
+	 *
+	 * @param   string   $type    The type bc math
+	 * @param   int      $val1    The first value
+	 * @param   int      $val2    The second value
+	 * @param   int      $scale   The scale value
+	 *
+	 * @return int
+	 *
+	 */
+	public static function bc($type, $val1, $val2, $scale = 0)
+	{
+		// build function name
+		$function = 'bc' . $type;
+		// use the bcmath function if available
+		if (function_exists($function))
+		{
+			return $function($val1, $val2, $scale);
+		}
+		// if function does not exist we use +-*/ operators (fallback - not ideal)
+		switch ($type)
+		{
+			// Multiply two numbers
+			case 'mul':
+				return (string) round($val1 * $val2, $scale);
+				break;
+			// Divide of two numbers
+			case 'div':
+				return (string) round($val1 / $val2, $scale);
+				break;
+			// Adding two numbers
+			case 'add':
+				return (string) round($val1 + $val2, $scale);
+				break;
+			// Subtract one number from the other
+			case 'sub':
+				return (string) round($val1 - $val2, $scale);
+				break;
+			// Raise an arbitrary precision number to another
+			case 'pow':
+				return (string) round(pow($val1, $val2), $scale);
+				break;
+			// Compare two arbitrary precision numbers
+			case 'comp':
+				return (round($val1,2) == round($val2,2));
+				break;
+		}
+		return false;
+	}
+
+	/**
+	 * Basic sum of an array with more precision
+	 *
+	 * @param   array   $array    The values to sum
+	 * @param   int      $scale   The scale value
+	 *
+	 * @return float
+	 *
+	 */
+	public static function sum($array, $scale = 4)
+	{
+		// use the bcadd function if available
+		if (function_exists('bcadd'))
+		{
+			// set the start value
+			$value = 0.0;
+			// loop the values and run bcadd
+			foreach($array as $val)
+			{
+				$value = bcadd($value, $val, $scale);
+			}
+			return $value;
+		}
+		// fall back on array sum
+		return array_sum($array);
+	}
+
+}
+