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74 lines
1.6 KiB
PHP
74 lines
1.6 KiB
PHP
<?php
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/**
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* Orange Management
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*
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* PHP Version 7.0
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*
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* @category TBD
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* @package TBD
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* @author OMS Development Team <dev@oms.com>
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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* @copyright 2013 Dennis Eichhorn
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* @license OMS License 1.0
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* @version 1.0.0
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* @link http://orange-management.com
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*/
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namespace phpOMS\Math\Shape\D2;
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/**
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* Ellipse shape.
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*
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* @category Framework
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* @package phpOMS\DataStorage\Database
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* @author OMS Development Team <dev@oms.com>
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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* @license OMS License 1.0
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* @link http://orange-management.com
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* @since 1.0.0
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*/
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class Ellipse implements D2ShapeInterface
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{
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/**
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* Area
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*
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* |
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* b
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* -------a-|----
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* |
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*
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* @param float $a Axis
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* @param float $b Axis
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*
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* @return float Distance between points in meter
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*
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* @since 1.0.0
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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*/
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public static function getSurface(float $a, float $b) : float
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{
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return pi() * $a * $b;
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}
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/**
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* Circumference
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*
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* |
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* b
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* -------a-|----
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* |
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*
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* @param float $a Axis
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* @param float $b Axis
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*
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* @return float Distance between points in meter
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*
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* @since 1.0.0
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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*/
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public static function getPerimeter(float $a, float $b) : float
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{
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return pi() * ($a + $b) * (3 * ($a - $b) ** 2 / (($a + $b) ** 2 * (sqrt(-3 * ($a - $b) ** 2 / (($a + $b) ** 2) + 4) + 10)) + 1);
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}
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}
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