diff -r e1e28b0273b0 -r 93fff7023be8 AppInc/FixedMath.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AppInc/FixedMath.h Fri Oct 15 10:18:29 2010 +0900 @@ -0,0 +1,55 @@ +/* +* Copyright (c) 2009 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: Juha Kauppinen, Mika Hokkanen +* +* Description: Photo Browser +* +*/ + +//------------------------------ +#ifndef FIXED_MATH_H_ +#define FIXED_MATH_H_ +//------------------------------ + +// INCLUDES +#include +#include +#include +#include + +// FUNCTIONS + +inline GLfixed IntToFixed (GLint aValue) +{ return aValue << 16; } + + +inline GLfixed FloatToFixed (GLfloat aValue) +{ return (GLfixed) (aValue * 65536.0f); } + + +inline GLint FixedToInt (GLfixed aValue) +{ return aValue >> 16; } + + +inline GLfloat FixedToFloat (GLfixed aValue) +{ return (GLfloat) (aValue * (1 / 65536.0f)); } + + +inline GLfixed MultiplyFixed (GLfixed op1, GLfixed op2) +{ + TInt64 r = (TInt64)op1 * (TInt64)op2; + return (GLfixed) (r >> 16); +} + + +//------------------------------ +#endif