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| author | Anton Luka Šijanec <anton@sijanec.eu> | 2024-05-27 13:08:29 +0200 |
|---|---|---|
| committer | Anton Luka Šijanec <anton@sijanec.eu> | 2024-05-27 13:08:29 +0200 |
| commit | 75160b12821f7f4299cce7f0b69c83c1502ae071 (patch) | |
| tree | 27e25e4ccaef45f0c58b22831164050d1af1d4db /vendor/markbaker/complex/classes/src/functions/pow.php | |
| parent | prvi-commit (diff) | |
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Diffstat (limited to 'vendor/markbaker/complex/classes/src/functions/pow.php')
| -rw-r--r-- | vendor/markbaker/complex/classes/src/functions/pow.php | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/vendor/markbaker/complex/classes/src/functions/pow.php b/vendor/markbaker/complex/classes/src/functions/pow.php new file mode 100644 index 0000000..326a41c --- /dev/null +++ b/vendor/markbaker/complex/classes/src/functions/pow.php @@ -0,0 +1,42 @@ +<?php
+
+/**
+ *
+ * Function code for the complex pow() function
+ *
+ * @copyright Copyright (c) 2013-2018 Mark Baker (https://github.com/MarkBaker/PHPComplex)
+ * @license https://opensource.org/licenses/MIT MIT
+ */
+namespace Complex;
+
+/**
+ * Returns a complex number raised to a power.
+ *
+ * @param Complex|mixed $complex Complex number or a numeric value.
+ * @param float|integer $power The power to raise this value to
+ * @return Complex The complex argument raised to the real power.
+ * @throws Exception If the power argument isn't a valid real
+ */
+if (!function_exists(__NAMESPACE__ . '\\pow')) {
+ function pow($complex, $power): Complex
+ {
+ $complex = Complex::validateComplexArgument($complex);
+
+ if (!is_numeric($power)) {
+ throw new Exception('Power argument must be a real number');
+ }
+
+ if ($complex->getImaginary() == 0.0 && $complex->getReal() >= 0.0) {
+ return new Complex(\pow($complex->getReal(), $power));
+ }
+
+ $rValue = \sqrt(($complex->getReal() * $complex->getReal()) + ($complex->getImaginary() * $complex->getImaginary()));
+ $rPower = \pow($rValue, $power);
+ $theta = $complex->argument() * $power;
+ if ($theta == 0) {
+ return new Complex(1);
+ }
+
+ return new Complex($rPower * \cos($theta), $rPower * \sin($theta), $complex->getSuffix());
+ }
+}
|