kerneltest/e32test/lffs/randgen.cpp
changeset 0 a41df078684a
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     1 // Copyright (c) 2000-2009 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 // Random number generator
       
    15 // 
       
    16 //
       
    17 
       
    18 #include <e32std.h>
       
    19 #include <e32std_private.h>
       
    20 #include "randgen.h"
       
    21 
       
    22 TRandomGenerator::TRandomGenerator()
       
    23 	: iValue(MAKE_TINT64(0x90099090,0xAFAFEEEE))
       
    24 	{
       
    25 	}
       
    26 
       
    27 
       
    28 TUint TRandomGenerator::Next()
       
    29 	{
       
    30 	iValue *= 214013;
       
    31     iValue += 2531011;
       
    32     return static_cast<TUint>( ((iValue>>16)&KMaxTInt) );
       
    33 	}
       
    34