sl@0: /*
sl@0: * Copyright (c) 2003-2009 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: * TStackInteger class implementation
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: /**
sl@0:  @file 
sl@0:  @internalComponent
sl@0: */
sl@0:  
sl@0: #ifndef __STACK_INTEGER_H__
sl@0: #define __STACK_INTEGER_H__
sl@0: 
sl@0: #include "bigint.h"
sl@0: 
sl@0: /** An integer that can be created on the stack.\n\n
sl@0:  * The resulting integers are
sl@0:  * fixed in size and any code that tries to modify their memory allocation
sl@0:  * will panic.  Stack based integers may be modified as long as you can
sl@0:  * guarantee that the resulting integer will fit in the current amount of
sl@0:  * allocated memory.
sl@0:  * If you are not sure which integer you want, you want an RInteger.
sl@0:  * @internalComponent
sl@0:  * @released
sl@0:  * @see RInteger
sl@0:  */
sl@0: template <TUint W=2> 
sl@0: class TStackInteger : public TInteger
sl@0: 	{
sl@0: public:
sl@0: 	inline TStackInteger<W>(TUint aInteger) {ConstructStack(W, aInteger);}
sl@0: 	inline TStackInteger<W>(const TInteger& aInteger) {ConstructStack(W, aInteger);}
sl@0: protected:
sl@0: 	TUint32 iBuf[W];
sl@0: 	};
sl@0: 
sl@0: typedef TStackInteger<2> TStackInteger64;
sl@0: typedef TStackInteger<4> TStackInteger128;
sl@0: typedef TStackInteger<8> TStackInteger256;
sl@0: typedef TStackInteger<16> TStackInteger512;
sl@0: typedef TStackInteger<32> TStackInteger1024;
sl@0: typedef TStackInteger<64> TStackInteger2048;
sl@0: //Don't make them any bigger than this :).  The last one is 66 words (264 bytes)
sl@0: 
sl@0: #endif // __STACK_INTEGER_H__