text: /*!
   * UI development toolkit for HTML5 (OpenUI5)
   * (c) Copyright 2009-2018 SAP SE or an SAP affiliate company.
   * Licensed under the Apache License, Version 2.0 - see LICENSE.txt.
   */
  /*
   * IMPORTANT: This is a private module, its API must not be used and is subject to change.
   * Code other than the OpenUI5 libraries must not introduce dependencies to this module.
   */
  sap.ui.define(['sap/base/assert'], function(assert) {
  	"use strict";
  
  	function getRootFontSize() {
  		var oRootDomRef = document.documentElement;
  
  		if (!oRootDomRef) {
  			return 16; // browser default font size
  		}
  
  		return parseFloat(window.getComputedStyle(oRootDomRef).getPropertyValue("font-size"));
  	}
  
  	/**
  	 * @exports sap/ui/dom/units/Rem
  	 * @private
  	 */
  	var Rem = {
  
  		/**
  		 * Convert <code>px</code> values to <code>rem</code>.
  		 *
  		 * @param {string|float} vPx The value in <code>px</code> units. E.g.: <code>"16px"</code> or <code>16</code>
  		 * @returns {float} The converted value in <code>rem</code> units. E.g.: <code>1</code>
  		 * @private
  		 */
  		fromPx: function(vPx) {
  			assert(((typeof vPx === "string") && (vPx !== "") && !isNaN(parseFloat(vPx)) && (typeof parseFloat(vPx) === "number")) || ((typeof vPx === "number") && !isNaN(vPx)), 'Rem.fromPx: either the "vPx" parameter must be an integer, or a string e.g.: "16px"');
  			return parseFloat(vPx) / getRootFontSize();
  		},
  
  		/**
  		 * Convert <code>rem</code> values to <code>px</code>.
  		 *
  		 * @param {string|float} vRem The value in <code>rem</code>. E.g.: <code>"1rem"</code> or <code>1</code>
  		 * @returns {float} The converted value in <code>px</code> units. E.g.: <code>16</code>
  		 * @private
  		 */
  		toPx: function(vRem) {
  			assert(((typeof vRem === "string") && (vRem !== "") && !isNaN(parseFloat(vRem)) && (typeof parseFloat(vRem) === "number")) || ((typeof vRem === "number") && !isNaN(vRem)), 'Rem.toPx: either the "vRem" parameter must be an integer, or a string e.g.: "1rem"');
  			return parseFloat(vRem) * getRootFontSize();
  		}
  	};
  
  	return Rem;
  
  });
  
  