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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/cot.php | |
| parent | prvi-commit (diff) | |
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Diffstat (limited to 'vendor/markbaker/complex/classes/src/functions/cot.php')
| -rw-r--r-- | vendor/markbaker/complex/classes/src/functions/cot.php | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/vendor/markbaker/complex/classes/src/functions/cot.php b/vendor/markbaker/complex/classes/src/functions/cot.php new file mode 100644 index 0000000..b775458 --- /dev/null +++ b/vendor/markbaker/complex/classes/src/functions/cot.php @@ -0,0 +1,31 @@ +<?php
+
+/**
+ *
+ * Function code for the complex cot() function
+ *
+ * @copyright Copyright (c) 2013-2018 Mark Baker (https://github.com/MarkBaker/PHPComplex)
+ * @license https://opensource.org/licenses/MIT MIT
+ */
+namespace Complex;
+
+/**
+ * Returns the cotangent of a complex number.
+ *
+ * @param Complex|mixed $complex Complex number or a numeric value.
+ * @return Complex The cotangent of the complex argument.
+ * @throws Exception If argument isn't a valid real or complex number.
+ * @throws \InvalidArgumentException If function would result in a division by zero
+ */
+if (!function_exists(__NAMESPACE__ . '\\cot')) {
+ function cot($complex): Complex
+ {
+ $complex = Complex::validateComplexArgument($complex);
+
+ if ($complex->getReal() == 0.0 && $complex->getImaginary() == 0.0) {
+ return new Complex(INF);
+ }
+
+ return inverse(tan($complex));
+ }
+}
|