/*

* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:   Fixed point arithmetics

*

*/

#ifndef __HUIFIXMATH_H__

#define __HUIFIXMATH_H__

#include <e32def.h>

static const TInt KFixPi = 0x3243F;

class HuiFixMath

{

public:

    IMPORT_C static TUint FixHypot(TInt aVal1,TInt aVal2);

		IMPORT_C static TInt FixSin(TInt aRadians);

		IMPORT_C static TInt FixCos(TInt aRadians);

		static inline TInt FixMul(TInt aVal1, TInt aVal2);

		static inline TInt FixDiv(TInt aVal1, TInt aVal2);

		static inline TInt FloatToFix(TReal32 aVal);

		static inline TReal32 FixToFloat(TInt aVal);

};

TInt HuiFixMath::FixMul(TInt aVal1, TInt aVal2)

		{

		TInt64 result = (TInt64(aVal1))*(TInt64(aVal2));

		return TInt(result>>16); 

		};

TInt HuiFixMath::FixDiv(TInt aVal1, TInt aVal2)

		{

		TUint64 temp = aVal1;

		temp<<=16;

		return TInt(temp/aVal2);

		};

TInt HuiFixMath::FloatToFix(TReal32 aVal)

		{

		return TInt(aVal*65536.0f);

		}

TReal32 HuiFixMath::FixToFloat(TInt aVal)

		{

		return TReal32((TReal32(aVal))/65536.0f);

		}

#endif