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-rw-r--r--vendor/markbaker/complex/classes/src/functions/asinh.php35
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diff --git a/vendor/markbaker/complex/classes/src/functions/asinh.php b/vendor/markbaker/complex/classes/src/functions/asinh.php
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+<?php
+
+/**
+ *
+ * Function code for the complex asinh() function
+ *
+ * @copyright Copyright (c) 2013-2018 Mark Baker (https://github.com/MarkBaker/PHPComplex)
+ * @license https://opensource.org/licenses/MIT MIT
+ */
+namespace Complex;
+
+/**
+ * Returns the inverse hyperbolic sine of a complex number.
+ *
+ * @param Complex|mixed $complex Complex number or a numeric value.
+ * @return Complex The inverse hyperbolic sine of the complex argument.
+ * @throws Exception If argument isn't a valid real or complex number.
+ */
+if (!function_exists(__NAMESPACE__ . '\\asinh')) {
+ function asinh($complex): Complex
+ {
+ $complex = Complex::validateComplexArgument($complex);
+
+ if ($complex->isReal() && ($complex->getReal() > 1)) {
+ return new Complex(\asinh($complex->getReal()));
+ }
+
+ $asinh = clone $complex;
+ $asinh = $asinh->reverse()
+ ->invertReal();
+ $asinh = asin($asinh);
+ return $asinh->reverse()
+ ->invertImaginary();
+ }
+}