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

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

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

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Utility functions for the Mass Storage file system.

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalTechnology

    21  

    22  Indicates if a number passed in is a power of two

    23  

    24  @param aNum number to be tested

    25  @return Flag to indicate the result of the test

    26 */

    27 GLREF_C TBool IsPowerOfTwo(TInt aNum);

    28 

    29 /**

    30 Calculates the log2 of a number

    31 

    32 @param aNum Number to calulate the log two of

    33 @return The log two of the number passed in

    34 */

    35 GLREF_C TInt Log2(TInt aNum);

    36