MDL-58859 mlbackend_php: Added to core

Part of MDL-57791 epic.
2017-07-24 07:51:54 +02:00
parent 229ae617c5
commit 9e84757bf0
129 changed files with 11485 additions and 0 deletions
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Phpml\Exception;
+
+class MatrixException extends \Exception
+{
+    /**
+     * @return MatrixException
+     */
+    public static function notSquareMatrix()
+    {
+        return new self('Matrix is not square matrix');
+    }
+
+    /**
+     * @return MatrixException
+     */
+    public static function columnOutOfRange()
+    {
+        return new self('Column out of range');
+    }
+
+    /**
+     * @return MatrixException
+     */
+    public static function singularMatrix()
+    {
+        return new self('Matrix is singular');
+    }
+}