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