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// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32test\math\t_gcc32.cpp
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// From UP_GCC.CPP, for emulating UP_GCC in T_R32.CPP tests
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//
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//
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#include <e32def.h>
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#include <e32def_private.h>
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#include "t_math.h"
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LOCAL_C void MathException(TInt aErrType)
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//
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// Decides on type of maths exception according to error and raises exception.
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// Added by AnnW, December 1996
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//
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{
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TExcType excType=EExcGeneral;
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switch (aErrType)
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{
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case KErrArgument: // error due to invalid operation
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excType=EExcFloatInvalidOperation;
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break;
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case KErrDivideByZero:
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excType=EExcFloatDivideByZero;
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break;
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case KErrOverflow:
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excType=EExcFloatOverflow;
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break;
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case KErrUnderflow:
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excType=EExcFloatUnderflow;
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break;
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/*
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// also errors due to inexact result
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case KErrInexact: // const not defined yet
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excType=EExcFloatInexact;
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break;
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*/
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default:
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// Unknown error
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User::Panic(_L("USER-Math"),EMathUnknownError);
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}
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// RThread thread;
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User::RaiseException(excType);
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// thread.RaiseException(excType);
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}
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GLDEF_C TReal32 __addsf3(TReal32 a1,TReal32 a2)
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//
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// Add two floats
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//
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{
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TRealX x1=a1;
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TRealX x2=a2;
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TRealX res;
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TReal32 trg;
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x1.Add(res,x2);
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TInt ret=res.GetTReal(trg);
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if (ret!=KErrNone)
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MathException(ret);
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return(trg);
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}
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GLDEF_C TReal32 __subsf3(TReal32 a1,TReal32 a2)
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//
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// Subtract two floats
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//
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{
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TRealX x1=a1;
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TRealX x2=a2;
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TRealX res;
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TReal32 trg;
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x1.Sub(res,x2);
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TInt ret=res.GetTReal(trg);
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if (ret!=KErrNone)
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MathException(ret);
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return(trg);
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}
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GLDEF_C TReal32 __mulsf3(TReal32 a1,TReal32 a2)
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//
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// Multiply two floats
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//
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{
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TRealX x1=a1;
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TRealX x2=a2;
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TRealX res;
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TReal32 trg;
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TInt ret=x1.Mult(res,x2);
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if (ret==KErrNone)
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ret=res.GetTReal(trg);
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if (ret!=KErrNone)
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MathException(ret);
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return((TReal32)res);
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}
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GLDEF_C TReal32 __divsf3(TReal32 a1,TReal32 a2)
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//
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// Divide two floats
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//
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{
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TRealX x1=a1;
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TRealX x2=a2;
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TRealX res;
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TReal32 trg;
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TInt ret=x1.Div(res,x2);
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if (ret==KErrNone)
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ret=res.GetTReal(trg);
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if (ret!=KErrNone)
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MathException(ret);
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return((TReal32)res);
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}
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GLDEF_C TReal32 __truncdfsf2(TReal64 a1)
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//
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// Convert a double to a float
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// Raises an exception if conversion results in an error
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//
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{
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TRealX x1=a1;
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TInt ret;
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TReal32 trg;
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if ((ret=x1.GetTReal(trg))!=KErrNone)
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MathException(ret);
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return(trg);
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}
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