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vendor/markbaker/matrix/classes/src/Operators/Division.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Matrix\Operators;
+
+use \Matrix\Matrix;
+use \Matrix\Functions;
+use Matrix\Exception;
+
+class Division extends Multiplication
+{
+    /**
+     * Execute the division
+     *
+     * @param mixed $value The matrix or numeric value to divide the current base value by
+     * @throws Exception If the provided argument is not appropriate for the operation
+     * @return $this The operation object, allowing multiple divisions to be chained
+     **/
+    public function execute($value)
+    {
+        if (is_array($value)) {
+            $value = new Matrix($value);
+        }
+
+        if (is_object($value) && ($value instanceof Matrix)) {
+            try {
+                $value = Functions::inverse($value);
+            } catch (Exception $e) {
+                throw new Exception('Division can only be calculated using a matrix with a non-zero determinant');
+            }
+
+            return $this->multiplyMatrix($value);
+        } elseif (is_numeric($value)) {
+            return $this->multiplyScalar(1 / $value);
+        }
+
+        throw new Exception('Invalid argument for division');
+    }
+}