// 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 "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

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

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// e32test\bench\t_r64bm.cpp

// 

//

#include <e32std.h>

#include <e32std_private.h>

#include <e32base.h>

#include <e32base_private.h>

#include <e32test.h>

#include <hal.h>

const TInt KHeapSize=0x2000;

const TInt KAverageOverInSeconds=10;

const TInt KNumberOfCalculationsPerLoop=10;

volatile TUint Count;

#ifdef T_R64BM_WITH_VFP

RTest test(_L("T_VFPBM"));

#else

RTest test(_L("T_R64BM"));

#endif

GLREF_C TInt TReal64Addition(TAny*);

GLREF_C TInt TReal64Subtraction(TAny*);

GLREF_C TInt TReal64Multiplication(TAny*);

GLREF_C TInt TReal64Division(TAny*);

GLREF_C TInt TRealSqrt(TAny*);

GLREF_C TInt TRealSin(TAny*);

GLREF_C TInt TRealTan(TAny*);

GLREF_C TInt TRealLn(TAny*);

GLREF_C TInt TRealExp(TAny*);

GLREF_C TInt TRealAsin(TAny*);

GLREF_C TInt TRealAtan(TAny*);

GLREF_C TInt TRealPower(TAny*);

TInt runTest(TThreadFunction aFunction,const TDesC& aTitle)

    {

    RThread thread;

	TInt r=thread.Create(aTitle,aFunction,KDefaultStackSize,KHeapSize,KHeapSize,NULL);

	if(r!=KErrNone)

		{

		test.Printf(_L("Failed to create thread with error %d\n"),r);

		return(r);

		}

    thread.Resume();

    User::After(1000000);

    TUint initial = Count;

    User::After(KAverageOverInSeconds*1000000);

	TUint final = Count;

    TUint64 result = TUint64(final - initial);

	result *= TUint64(KNumberOfCalculationsPerLoop);

	result /= TUint64(KAverageOverInSeconds);

	TUint r32 = (TUint)result;

    thread.Kill(0);

	thread.Close();

    test.Printf(_L("%S executed %d in 1 second\n"),&aTitle,r32);

    return r32;

    }

TInt E32Main()

//

// Benchmark for TRealX functions

//

    {

    test.Title();

#ifdef T_R64BM_WITH_VFP

	TInt supportedModes;

	if (HAL::Get(HALData::EHardwareFloatingPoint, supportedModes) != KErrNone)

		{

		test.Printf(_L("Skipping test as this hardware does not have VFP\n"));

		return(KErrNone);

		}

    test.Start(_L("Benchmarks for TReal64 using VFP"));

#else

    test.Start(_L("Benchmarks for TReal64"));

#endif

	runTest(TReal64Addition,_L("Addition"));

	runTest(TReal64Subtraction,_L("Subtraction"));

	runTest(TReal64Multiplication,_L("Multiplication"));

	runTest(TReal64Division,_L("Division"));

	runTest(TRealSqrt,_L("Square root"));

	runTest(TRealSin,_L("Sine"));

	runTest(TRealTan,_L("Tangent"));

	runTest(TRealLn,_L("Logarithm"));

	runTest(TRealExp,_L("Exponential"));

	runTest(TRealAsin,_L("Arcsine"));

	runTest(TRealAtan,_L("Arctan"));

	runTest(TRealPower,_L("Powers"));

	test.End();

	return(KErrNone);

    }