tablepress / libraries / vendor / Matrix / Operators / Operator.php

Operator.php in TablePress – Tables in WordPress made easy 2.2.5, at libraries/vendor/Matrix/Operators/Operator.php

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1	<?php
2
3	namespace TablePress\Matrix\Operators;
4
5	use TablePress\Matrix\Matrix;
6	use TablePress\Matrix\Exception;
7
8	abstract class Operator
9	{
10	/**
11	* Stored internally as a 2-dimension array of values
12	*
13	* @property mixed[][] $matrix
14	**/
15	protected $matrix;
16
17	/**
18	* Number of rows in the matrix
19	*
20	* @property integer $rows
21	**/
22	protected $rows;
23
24	/**
25	* Number of columns in the matrix
26	*
27	* @property integer $columns
28	**/
29	protected $columns;
30
31	/**
32	* Create an new handler object for the operation
33	*
34	* @param TablePress\Matrix $matrix The base TablePress\Matrix object on which the operation will be performed
35	*/
36	public function __construct(TablePress\Matrix $matrix)
37	{
38	$this->rows = $matrix->rows;
39	$this->columns = $matrix->columns;
40	$this->matrix = $matrix->toArray();
41	}
42
43	/**
44	* Compare the dimensions of the matrices being operated on to see if they are valid for addition/subtraction
45	*
46	* @param TablePress\Matrix $matrix The second TablePress\Matrix object on which the operation will be performed
47	* @throws Exception
48	*/
49	protected function validateMatchingDimensions(TablePress\Matrix $matrix): void
50	{
51	if (($this->rows != $matrix->rows) \|\| ($this->columns != $matrix->columns)) {
52	throw new Exception('Matrices have mismatched dimensions');
53	}
54	}
55
56	/**
57	* Compare the dimensions of the matrices being operated on to see if they are valid for multiplication/division
58	*
59	* @param TablePress\Matrix $matrix The second TablePress\Matrix object on which the operation will be performed
60	* @throws Exception
61	*/
62	protected function validateReflectingDimensions(TablePress\Matrix $matrix): void
63	{
64	if ($this->columns != $matrix->rows) {
65	throw new Exception('Matrices have mismatched dimensions');
66	}
67	}
68
69	/**
70	* Return the result of the operation
71	*
72	* @return TablePress\Matrix
73	*/
74	public function result(): TablePress\Matrix
75	{
76	return new Matrix($this->matrix);
77	}
78	}
79