// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of the License "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:

 // f32test\math\t_gen32.cpp

 // Generates files to be used in testing whether arithmetic in TReal32 gives

 // exactly the same results using the MSDEV complier as on the rack.

 // 

 //

 #include <f32file.h>

 #include <e32svr.h>

 #include "t_math.h"

 #include "../server/t_server.h"

 #if defined(__VC32__)

 //

 // Some symbols generated by the VC++ compiler for floating point stuff.

 //

 extern "C" {

 GLDEF_D TInt _adj_fdiv_m32;

 }

 #endif

 GLDEF_D RTest test(_L("T_GEN32"));

 LOCAL_D	RFile f;

 LOCAL_D const TFileName fileName32 = _L("T_REAL32.H");

 LOCAL_D const TFileName pathName = _L("C:\\E32-MATH\\");

 LOCAL_D	TBuf<0x100> buf;

 LOCAL_D TBuf8<0x100> buf8;

 // Data for tests from T_R32DTA.cpp 

 GLREF_D TReal32 addInput[];

 GLREF_D TReal32 subInput[];

 GLREF_D TReal32 multInput[];

 GLREF_D TReal32 divInput[];

 //GLREF_D TApprox32 subApprox[];

 GLREF_D TReal32 unaryInput[];

 GLREF_D TReal32 incDecInput[];

 GLREF_D TInt sizeAdd;

 GLREF_D TInt sizeSub;

 GLREF_D TInt sizeMult;

 GLREF_D TInt sizeDiv;

 //GLREF_D TInt sizeSubApprox;

 GLREF_D TInt sizeUnary;

 GLREF_D TInt sizeIncDec;

 LOCAL_C void appendStart()

 	{

 	f.Write(_L8("// Generated by \\E32\\TMATH\\T_GEN32.MAK\n\n"));

 	f.Write(_L8("#include <e32std.h>\n\n"));

 	f.Write(_L8("#if defined(__WINS__)\n#include \"t_vals.hwg\"\n"));

 	f.Write(_L8("#else\n#include \"t_vals.hag\"\n#endif\n"));

 	}

 LOCAL_C void appendArrayName32(TPtrC aName)

 	{

 	buf=_L("");

 	buf.AppendFormat(_L("const TInt32x %S[] = \n{\n"),&aName);

 	buf8.Copy(buf);

 	f.Write(buf8);

 	}

 LOCAL_C void appendValue32(TReal32* aVal)

 	{

 	buf=_L("");

 	buf.AppendFormat(_L("	TInt32x(0x%x),\n"),*(TUint32*)aVal);

 	buf8.Copy(buf);

 	f.Write(buf8);

 	}

 LOCAL_C void appendArrayTerm()

 	{

 	buf8=_L8("};\n\n");

 	f.Write(buf8);

 	}

 LOCAL_C void createAddArray()

 //

 // Writes an array of results of additions to the header file

 //

 	{

 	TInt ii;

 	TReal32 ff;

 	appendArrayName32(_L("addArray"));

 	for (ii=0; ii<sizeAdd-1; ii++)

 		{

 		ff=addInput[ii]+addInput[ii+1];

 		appendValue32(&ff);

 		}

 	appendArrayTerm();

 	}

 LOCAL_C void createSubArray()

 //

 // Writes an array of results of subtractions to the header file

 //

 	{

 	TInt ii;

 	TReal32 ff;

 	appendArrayName32(_L("subArray"));

 	for (ii=0; ii<sizeSub-1; ii++)

 		{

 		ff=subInput[ii]-subInput[ii+1];

 		appendValue32(&ff);

 		}

 	appendArrayTerm();

 	/*

 	appendArrayName32(_L("subApproxArray"));

 	for (ii=0; ii<sizeSubApprox; ii++)

 		{

 		ff=subApprox[ii].f-subApprox[ii].g;

 		appendValue32(&ff);

 		}

 	appendArrayTerm();

 	*/

 	} 

 LOCAL_C void createMultArray()

 //

 // Writes an array of results of multiplications to the header file

 //

 	{

 	TInt ii;

 	TReal32 ff;

 	appendArrayName32(_L("multArray"));

 	for (ii=0; ii<sizeMult-1; ii++)

 		{

 		ff=multInput[ii]*multInput[ii+1];

 		appendValue32(&ff);

 		}

 	appendArrayTerm();

 	} 

 LOCAL_C void createDivArray()

 //

 // Writes an array of results of divisions to the header file

 //

 	{

 	TInt ii;

 	TReal32 ff;

 	appendArrayName32(_L("divArray"));

 	for (ii=0; ii<sizeDiv-1; ii++)

 		{

 		if (divInput[ii+1]!=0)

 			{

 			ff=divInput[ii]/divInput[ii+1];

 			appendValue32(&ff);

 			}

 		}

 	appendArrayTerm();

 	} 

 LOCAL_C void createUnaryArray()

 //

 // Writes an array of results of unary operations to the header file

 //

 	{

 	TReal32 f;

 	appendArrayName32(_L("unaryArray"));

 	for (TInt ii=0; ii<sizeUnary; ii++)

 		{

 		f=-unaryInput[ii];

 		appendValue32(&f);

 		}

 	appendArrayTerm();

 	} 

 LOCAL_C void createIncDecArrays()

 //

 // Writes an array of results of pre and post increment and decrement operations to the

 // header file

 //

 	{

 	TInt ii;

 	TReal32 f;

 	appendArrayName32(_L("preIncArray1"));

 	for (ii=0; ii<sizeIncDec; ii++)

 		{

 		f=incDecInput[ii];

 		++f;

 		appendValue32(&f);

 		}

 	appendArrayTerm();

 	appendArrayName32(_L("preIncArray2"));

 	for (ii=0; ii<sizeIncDec; ii++)

 		{

 		f=incDecInput[ii];

 		++f;

 		++f;

 		appendValue32(&f);

 		}

 	appendArrayTerm();

 	appendArrayName32(_L("preDecArray1"));

 	for (ii=0; ii<sizeIncDec; ii++)

 		{

 		f=incDecInput[ii];

 		--f;

 		appendValue32(&f);

 		}

 	appendArrayTerm();

 	appendArrayName32(_L("preDecArray2"));

 	for (ii=0; ii<sizeIncDec; ii++)

 		{

 		f=incDecInput[ii];

 		--f;

 		--f;

 		appendValue32(&f);

 		}

 	appendArrayTerm();

 	appendArrayName32(_L("postIncArray1"));

 	for (ii=0; ii<sizeIncDec; ii++)

 		{

 		f=incDecInput[ii];

 		f++;

 		appendValue32(&f);

 		}

 	appendArrayTerm();

 	appendArrayName32(_L("postIncArray2"));

 	for (ii=0; ii<sizeIncDec; ii++)

 		{

 		f=incDecInput[ii];

 		f++;

 		f++;

 		appendValue32(&f);

 		}

 	appendArrayTerm();

 	appendArrayName32(_L("postDecArray1"));

 	for (ii=0; ii<sizeIncDec; ii++)

 		{

 		f=incDecInput[ii];

 		f--;

 		appendValue32(&f);

 		}

 	appendArrayTerm();

 	appendArrayName32(_L("postDecArray2"));

 	for (ii=0; ii<sizeIncDec; ii++)

 		{

 		f=incDecInput[ii];

 		f--;

 		f--;

 		appendValue32(&f);

 		}

 	appendArrayTerm();

 	} 

 LOCAL_C void createArrays()

 //

 // Create and append to header file all arrays required for T_R32.CPP tests

 //

 	{

 	createAddArray();

 	createSubArray();

 	createMultArray();

 	createDivArray();

 	createUnaryArray();

 	createIncDecArrays();

 	}

 GLDEF_C void CallTestsL(void)

 //

 // Generate TReal32s (and special values if required) and write to header files

 //

     {

 	test.Title();

 	TFileName msg;

 	msg=_L("Generating Maths constants to header files:\n ");

 	msg+=pathName;

 	msg+=fileName32;

 	test.Start(msg);

 	test.Next(_L("Making directory"));

 	TInt r=TheFs.MkDirAll(pathName);

 	test(r==KErrNone || r==KErrAlreadyExists);

 	test(TheFs.SetSessionPath(pathName)==KErrNone);

 	test(f.Replace(TheFs,fileName32,EFileWrite)==KErrNone);

 	test.Next(_L("Generating TReal32s"));

 	appendStart();

 	createArrays();

 	f.Close();

 	test.End();

 	return;

     }