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author | Anton Luka Šijanec <anton@sijanec.eu> | 2024-05-27 13:08:29 +0200 |
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committer | Anton Luka Šijanec <anton@sijanec.eu> | 2024-05-27 13:08:29 +0200 |
commit | 75160b12821f7f4299cce7f0b69c83c1502ae071 (patch) | |
tree | 27e25e4ccaef45f0c58b22831164050d1af1d4db /vendor/markbaker/complex/classes/src/operations/subtract.php | |
parent | prvi-commit (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | vendor/markbaker/complex/classes/src/operations/subtract.php | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/vendor/markbaker/complex/classes/src/operations/subtract.php b/vendor/markbaker/complex/classes/src/operations/subtract.php new file mode 100644 index 0000000..79427b5 --- /dev/null +++ b/vendor/markbaker/complex/classes/src/operations/subtract.php @@ -0,0 +1,48 @@ +<?php
+
+/**
+ *
+ * Function code for the complex subtraction operation
+ *
+ * @copyright Copyright (c) 2013-2018 Mark Baker (https://github.com/MarkBaker/PHPComplex)
+ * @license https://opensource.org/licenses/MIT MIT
+ */
+namespace Complex;
+
+/**
+ * Subtracts two or more complex numbers
+ *
+ * @param array of string|integer|float|Complex $complexValues The numbers to subtract
+ * @return Complex
+ */
+if (!function_exists(__NAMESPACE__ . '\\subtract')) {
+ function subtract(...$complexValues): Complex
+ {
+ if (count($complexValues) < 2) {
+ throw new \Exception('This function requires at least 2 arguments');
+ }
+
+ $base = array_shift($complexValues);
+ $result = clone Complex::validateComplexArgument($base);
+
+ foreach ($complexValues as $complex) {
+ $complex = Complex::validateComplexArgument($complex);
+
+ if ($result->isComplex() && $complex->isComplex() &&
+ $result->getSuffix() !== $complex->getSuffix()) {
+ throw new Exception('Suffix Mismatch');
+ }
+
+ $real = $result->getReal() - $complex->getReal();
+ $imaginary = $result->getImaginary() - $complex->getImaginary();
+
+ $result = new Complex(
+ $real,
+ $imaginary,
+ ($imaginary == 0.0) ? null : max($result->getSuffix(), $complex->getSuffix())
+ );
+ }
+
+ return $result;
+ }
+}
|