tablepress / libraries / vendor / Complex / Operations.php

Operations.php in TablePress – Tables in WordPress made easy 3.0, at libraries/vendor/Complex/Operations.php

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1	<?php
2
3	namespace TablePress\Complex;
4
5	use InvalidArgumentException;
6
7	class Operations
8	{
9	/**
10	* Adds two or more complex numbers
11	*
12	* @param array of string\|integer\|float\|TablePress\Complex $complexValues The numbers to add
13	* @return TablePress\Complex
14	*/
15	public static function add(...$complexValues): TablePress\Complex
16	{
17	if (count($complexValues) < 2) {
18	throw new \Exception('This function requires at least 2 arguments');
19	}
20
21	$base = array_shift($complexValues);
22	$result = clone Complex::validateComplexArgument($base);
23
24	foreach ($complexValues as $complex) {
25	$complex = Complex::validateComplexArgument($complex);
26
27	if ($result->isComplex() && $complex->isComplex() &&
28	$result->getSuffix() !== $complex->getSuffix()) {
29	throw new Exception('Suffix Mismatch');
30	}
31
32	$real = $result->getReal() + $complex->getReal();
33	$imaginary = $result->getImaginary() + $complex->getImaginary();
34
35	$result = new Complex(
36	$real,
37	$imaginary,
38	($imaginary == 0.0) ? null : max($result->getSuffix(), $complex->getSuffix())
39	);
40	}
41
42	return $result;
43	}
44
45	/**
46	* Divides two or more complex numbers
47	*
48	* @param array of string\|integer\|float\|TablePress\Complex $complexValues The numbers to divide
49	* @return TablePress\Complex
50	*/
51	public static function divideby(...$complexValues): TablePress\Complex
52	{
53	if (count($complexValues) < 2) {
54	throw new \Exception('This function requires at least 2 arguments');
55	}
56
57	$base = array_shift($complexValues);
58	$result = clone Complex::validateComplexArgument($base);
59
60	foreach ($complexValues as $complex) {
61	$complex = Complex::validateComplexArgument($complex);
62
63	if ($result->isComplex() && $complex->isComplex() &&
64	$result->getSuffix() !== $complex->getSuffix()) {
65	throw new Exception('Suffix Mismatch');
66	}
67	if ($complex->getReal() == 0.0 && $complex->getImaginary() == 0.0) {
68	throw new InvalidArgumentException('Division by zero');
69	}
70
71	$delta1 = ($result->getReal() * $complex->getReal()) +
72	($result->getImaginary() * $complex->getImaginary());
73	$delta2 = ($result->getImaginary() * $complex->getReal()) -
74	($result->getReal() * $complex->getImaginary());
75	$delta3 = ($complex->getReal() * $complex->getReal()) +
76	($complex->getImaginary() * $complex->getImaginary());
77
78	$real = $delta1 / $delta3;
79	$imaginary = $delta2 / $delta3;
80
81	$result = new Complex(
82	$real,
83	$imaginary,
84	($imaginary == 0.0) ? null : max($result->getSuffix(), $complex->getSuffix())
85	);
86	}
87
88	return $result;
89	}
90
91	/**
92	* Divides two or more complex numbers
93	*
94	* @param array of string\|integer\|float\|TablePress\Complex $complexValues The numbers to divide
95	* @return TablePress\Complex
96	*/
97	public static function divideinto(...$complexValues): TablePress\Complex
98	{
99	if (count($complexValues) < 2) {
100	throw new \Exception('This function requires at least 2 arguments');
101	}
102
103	$base = array_shift($complexValues);
104	$result = clone Complex::validateComplexArgument($base);
105
106	foreach ($complexValues as $complex) {
107	$complex = Complex::validateComplexArgument($complex);
108
109	if ($result->isComplex() && $complex->isComplex() &&
110	$result->getSuffix() !== $complex->getSuffix()) {
111	throw new Exception('Suffix Mismatch');
112	}
113	if ($result->getReal() == 0.0 && $result->getImaginary() == 0.0) {
114	throw new InvalidArgumentException('Division by zero');
115	}
116
117	$delta1 = ($complex->getReal() * $result->getReal()) +
118	($complex->getImaginary() * $result->getImaginary());
119	$delta2 = ($complex->getImaginary() * $result->getReal()) -
120	($complex->getReal() * $result->getImaginary());
121	$delta3 = ($result->getReal() * $result->getReal()) +
122	($result->getImaginary() * $result->getImaginary());
123
124	$real = $delta1 / $delta3;
125	$imaginary = $delta2 / $delta3;
126
127	$result = new Complex(
128	$real,
129	$imaginary,
130	($imaginary == 0.0) ? null : max($result->getSuffix(), $complex->getSuffix())
131	);
132	}
133
134	return $result;
135	}
136
137	/**
138	* Multiplies two or more complex numbers
139	*
140	* @param array of string\|integer\|float\|TablePress\Complex $complexValues The numbers to multiply
141	* @return TablePress\Complex
142	*/
143	public static function multiply(...$complexValues): TablePress\Complex
144	{
145	if (count($complexValues) < 2) {
146	throw new \Exception('This function requires at least 2 arguments');
147	}
148
149	$base = array_shift($complexValues);
150	$result = clone Complex::validateComplexArgument($base);
151
152	foreach ($complexValues as $complex) {
153	$complex = Complex::validateComplexArgument($complex);
154
155	if ($result->isComplex() && $complex->isComplex() &&
156	$result->getSuffix() !== $complex->getSuffix()) {
157	throw new Exception('Suffix Mismatch');
158	}
159
160	$real = ($result->getReal() * $complex->getReal()) -
161	($result->getImaginary() * $complex->getImaginary());
162	$imaginary = ($result->getReal() * $complex->getImaginary()) +
163	($result->getImaginary() * $complex->getReal());
164
165	$result = new Complex(
166	$real,
167	$imaginary,
168	($imaginary == 0.0) ? null : max($result->getSuffix(), $complex->getSuffix())
169	);
170	}
171
172	return $result;
173	}
174
175	/**
176	* Subtracts two or more complex numbers
177	*
178	* @param array of string\|integer\|float\|TablePress\Complex $complexValues The numbers to subtract
179	* @return TablePress\Complex
180	*/
181	public static function subtract(...$complexValues): TablePress\Complex
182	{
183	if (count($complexValues) < 2) {
184	throw new \Exception('This function requires at least 2 arguments');
185	}
186
187	$base = array_shift($complexValues);
188	$result = clone Complex::validateComplexArgument($base);
189
190	foreach ($complexValues as $complex) {
191	$complex = Complex::validateComplexArgument($complex);
192
193	if ($result->isComplex() && $complex->isComplex() &&
194	$result->getSuffix() !== $complex->getSuffix()) {
195	throw new Exception('Suffix Mismatch');
196	}
197
198	$real = $result->getReal() - $complex->getReal();
199	$imaginary = $result->getImaginary() - $complex->getImaginary();
200
201	$result = new Complex(
202	$real,
203	$imaginary,
204	($imaginary == 0.0) ? null : max($result->getSuffix(), $complex->getSuffix())
205	);
206	}
207
208	return $result;
209	}
210	}
211