Index: branches/5.2.x/core/kernel/utility/formatters/formatter.php
===================================================================
diff -u -N -r16278 -r16305
--- branches/5.2.x/core/kernel/utility/formatters/formatter.php	(.../formatter.php)	(revision 16278)
+++ branches/5.2.x/core/kernel/utility/formatters/formatter.php	(.../formatter.php)	(revision 16305)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: formatter.php 16278 2015-09-27 10:48:28Z alex $
+* @version	$Id: formatter.php 16305 2016-01-17 10:32:51Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2011 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -177,6 +177,11 @@
 		}
 
 		if (isset($format) && $format) {
+			if ( substr($format, -1) === 'f' ) {
+				// High precision formats (e.g. '%01.20f') are not supported to keep code below as fast as possible.
+				$value = round($value, substr($format, -2, 1));
+			}
+
 			$value = sprintf($format, $value);
 
 			if ( isset($options['cut_zeros']) && $options['cut_zeros'] ) {