Index: branches/5.3.x/core/kernel/utility/formatters/formatter.php
===================================================================
diff -u -N -r16195 -r16395
--- branches/5.3.x/core/kernel/utility/formatters/formatter.php	(.../formatter.php)	(revision 16195)
+++ branches/5.3.x/core/kernel/utility/formatters/formatter.php	(.../formatter.php)	(revision 16395)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: formatter.php 16195 2015-05-19 15:58:57Z alex $
+* @version	$Id: formatter.php 16395 2016-11-12 12:43:14Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2011 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -177,11 +177,17 @@
 		}
 
 		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'] ) {
-				// converts 5.00 to 5, but doesn't change 5.340 or 5.34
-				$value = preg_replace('/\.[0]+$/', '', $value);
+				// Remove trailing zeros in decimal part (including "." if any left at the end).
+				$value = preg_replace('/\.0+$/', '', $value);
+				$value = preg_replace('/(\.\d+?)0+$/', '$1', $value);
 			}
 		}