diff -r c55016431358 -r 0a7b44b10206 symport/e32test/misc/prbs.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symport/e32test/misc/prbs.h Thu Jun 25 15:59:54 2009 +0100 @@ -0,0 +1,34 @@ +// Copyright (c) 1997-2009 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 "Symbian Foundation License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// e32test\misc\prbs.h +// +// + +#ifndef __PRBS_H__ +#define __PRBS_H__ +#include + +LOCAL_C TUint Random(TUint* aSeed) + { + TUint x = aSeed[0]; + TUint r3 = x >> 1; + r3 |= (aSeed[1] << 31); + aSeed[1] = x & 1; + r3 ^= (x << 12); + x = r3 ^ (r3 >> 20); + aSeed[0] = x; + return x; + } + +#endif