os/kernelhwsrv/kerneltest/e32test/math/t_gcc64.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/kerneltest/e32test/math/t_gcc64.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,141 @@
     1.4 +// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// e32test\math\t_gcc64.cpp
    1.18 +// From UP_GCC.CPP, for emulating UP_GCC in T_R64.CPP tests
    1.19 +// 
    1.20 +//
    1.21 +
    1.22 +
    1.23 +#include <e32def.h>
    1.24 +#include <e32def_private.h>
    1.25 +
    1.26 +#include "t_math.h"
    1.27 +
    1.28 +LOCAL_C void MathException(TInt aErrType) 
    1.29 +//
    1.30 +// Decides on type of maths exception according to error and raises exception.
    1.31 +// DOES NOT CONVERT TO SPECIAL IF RETURNS
    1.32 +// Added by AnnW, December 1996
    1.33 +//
    1.34 +	{
    1.35 +
    1.36 +	TExcType excType=EExcGeneral;
    1.37 +
    1.38 +	switch (aErrType)
    1.39 +		{
    1.40 +	case KErrArgument:				// error due to invalid operation
    1.41 +		excType=EExcFloatInvalidOperation;
    1.42 +		break;
    1.43 +	case KErrDivideByZero:
    1.44 +		excType=EExcFloatDivideByZero;
    1.45 +		break;
    1.46 +	case KErrOverflow:
    1.47 +		excType=EExcFloatOverflow;
    1.48 +		break;
    1.49 +	case KErrUnderflow:
    1.50 +		excType=EExcFloatUnderflow;
    1.51 +		break;
    1.52 +/*
    1.53 +	// also errors due to inexact result
    1.54 +	case KErrInexact:		// const not defined yet
    1.55 +		excType=EExcFloatInexact;
    1.56 +		break;
    1.57 +*/
    1.58 +	
    1.59 +	default:
    1.60 +		// Unknown error
    1.61 +		User::Panic(_L("USER-Math"),EMathUnknownError);
    1.62 +		}
    1.63 +
    1.64 +	RThread thread;
    1.65 +	thread.RaiseException(excType);
    1.66 +	}
    1.67 +
    1.68 +GLDEF_C TReal64 __adddf3(TReal64 a1,TReal64 a2)
    1.69 +//
    1.70 +// Add two doubles
    1.71 +//
    1.72 +    {
    1.73 +
    1.74 +    TRealX x1=a1;
    1.75 +    TRealX x2=a2;
    1.76 +
    1.77 +	TRealX res;
    1.78 +	TReal64 trg;
    1.79 +	x1.Add(res,x2);
    1.80 +	TInt ret=res.GetTReal(trg);
    1.81 +	if (ret!=KErrNone)
    1.82 +		MathException(ret);
    1.83 +
    1.84 +	return(trg);
    1.85 +    }
    1.86 +
    1.87 +GLDEF_C TReal64 __subdf3(TReal64 a1,TReal64 a2)
    1.88 +//
    1.89 +// Subtract two doubles
    1.90 +//
    1.91 +    {
    1.92 +
    1.93 +    TRealX x1=a1;
    1.94 +    TRealX x2=a2;
    1.95 +
    1.96 +	TRealX res;
    1.97 +	TReal64 trg;
    1.98 +	x1.Sub(res,x2);
    1.99 +	TInt ret=res.GetTReal(trg);
   1.100 +	if (ret!=KErrNone)
   1.101 +		MathException(ret);
   1.102 +
   1.103 +	return(trg);    
   1.104 +    }
   1.105 +
   1.106 +GLDEF_C TReal64 __muldf3(TReal64 a1,TReal64 a2)
   1.107 +//
   1.108 +// Multiply two doubles
   1.109 +//
   1.110 +    {
   1.111 +
   1.112 +    TRealX x1=a1;
   1.113 +    TRealX x2=a2;
   1.114 +
   1.115 +	TRealX res;
   1.116 +	TReal64 trg;
   1.117 +	TInt ret=x1.Mult(res,x2);
   1.118 +	if (ret==KErrNone)
   1.119 +		ret=res.GetTReal(trg);
   1.120 +	if (ret!=KErrNone)
   1.121 +		MathException(ret);
   1.122 +
   1.123 +	return((TReal64)res);
   1.124 +    }
   1.125 +
   1.126 +GLDEF_C TReal64 __divdf3(TReal64 a1,TReal64 a2)
   1.127 +	//
   1.128 +	// Divide two doubles
   1.129 +	//
   1.130 +	{
   1.131 +	
   1.132 +	TRealX x1=a1;
   1.133 +	TRealX x2=a2;
   1.134 +
   1.135 +	TRealX res;
   1.136 +	TReal64 trg;
   1.137 +	TInt ret=x1.Div(res,x2);
   1.138 +	if (ret==KErrNone)
   1.139 +		ret=res.GetTReal(trg);
   1.140 +	if (ret!=KErrNone)
   1.141 +		MathException(ret);
   1.142 +
   1.143 +	return((TReal64)res);
   1.144 +	}