// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of the License "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 // Utility functions for the Mass Storage file system.

 // 

 //

 /**

  @file

  @internalTechnology

  Indicates if a number passed in is a power of two

  @param aNum number to be tested

  @return Flag to indicate the result of the test

 */

 GLREF_C TBool IsPowerOfTwo(TInt aNum);

 /**

 Calculates the log2 of a number

 @param aNum Number to calulate the log two of

 @return The log two of the number passed in

 */

 GLREF_C TInt Log2(TInt aNum);