sl@0: // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Utility functions for the Mass Storage file system.
sl@0: // 
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalTechnology
sl@0:  
sl@0:  Indicates if a number passed in is a power of two
sl@0:  
sl@0:  @param aNum number to be tested
sl@0:  @return Flag to indicate the result of the test
sl@0: */
sl@0: GLREF_C TBool IsPowerOfTwo(TInt aNum);
sl@0: 
sl@0: /**
sl@0: Calculates the log2 of a number
sl@0: 
sl@0: @param aNum Number to calulate the log two of
sl@0: @return The log two of the number passed in
sl@0: */
sl@0: GLREF_C TInt Log2(TInt aNum);
sl@0: