1 files changed, 30 insertions, 0 deletions
diff --git a/vendor/markbaker/complex/classes/src/functions/rho.php b/vendor/markbaker/complex/classes/src/functions/rho.php
new file mode 100644
index 0000000..dfc4049
--- /dev/null
+++ b/vendor/markbaker/complex/classes/src/functions/rho.php
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+<?php
+
+/**
+ *
+ * Function code for the complex rho() function
+ *
+ * @copyright  Copyright (c) 2013-2018 Mark Baker (https://github.com/MarkBaker/PHPComplex)
+ * @license    https://opensource.org/licenses/MIT    MIT
+ */
+namespace Complex;
+
+/**
+ * Returns the rho of a complex number.
+ * This is the distance/radius from the centrepoint to the representation of the number in polar coordinates.
+ *
+ * @param     Complex|mixed    $complex    Complex number or a numeric value.
+ * @return    float            The rho value of the complex argument.
+ * @throws    Exception        If argument isn't a valid real or complex number.
+ */
+if (!function_exists(__NAMESPACE__ . '\\rho')) {
+    function rho($complex): float
+    {
+        $complex = Complex::validateComplexArgument($complex);
+
+        return \sqrt(
+            ($complex->getReal() * $complex->getReal()) +
+            ($complex->getImaginary() * $complex->getImaginary())
+        );
+    }
+}