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: // f32test\math\t_gen32.cpp
sl@0: // Generates files to be used in testing whether arithmetic in TReal32 gives
sl@0: // exactly the same results using the MSDEV complier as on the rack.
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <f32file.h>
sl@0: #include <e32svr.h>
sl@0: #include "t_math.h"
sl@0: #include "../server/t_server.h"
sl@0: 
sl@0: #if defined(__VC32__)
sl@0: //
sl@0: // Some symbols generated by the VC++ compiler for floating point stuff.
sl@0: //
sl@0: extern "C" {
sl@0: GLDEF_D TInt _adj_fdiv_m32;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: GLDEF_D RTest test(_L("T_GEN32"));
sl@0: 
sl@0: LOCAL_D	RFile f;
sl@0: LOCAL_D const TFileName fileName32 = _L("T_REAL32.H");
sl@0: 
sl@0: LOCAL_D const TFileName pathName = _L("C:\\E32-MATH\\");
sl@0: LOCAL_D	TBuf<0x100> buf;
sl@0: LOCAL_D TBuf8<0x100> buf8;
sl@0: 
sl@0: // Data for tests from T_R32DTA.cpp 
sl@0: GLREF_D TReal32 addInput[];
sl@0: GLREF_D TReal32 subInput[];
sl@0: GLREF_D TReal32 multInput[];
sl@0: GLREF_D TReal32 divInput[];
sl@0: //GLREF_D TApprox32 subApprox[];
sl@0: GLREF_D TReal32 unaryInput[];
sl@0: GLREF_D TReal32 incDecInput[];
sl@0: GLREF_D TInt sizeAdd;
sl@0: GLREF_D TInt sizeSub;
sl@0: GLREF_D TInt sizeMult;
sl@0: GLREF_D TInt sizeDiv;
sl@0: //GLREF_D TInt sizeSubApprox;
sl@0: GLREF_D TInt sizeUnary;
sl@0: GLREF_D TInt sizeIncDec;
sl@0: 
sl@0: LOCAL_C void appendStart()
sl@0: 	{
sl@0: 	f.Write(_L8("// Generated by \\E32\\TMATH\\T_GEN32.MAK\n\n"));
sl@0: 	f.Write(_L8("#include <e32std.h>\n\n"));
sl@0: 	f.Write(_L8("#if defined(__WINS__)\n#include \"t_vals.hwg\"\n"));
sl@0: 	f.Write(_L8("#else\n#include \"t_vals.hag\"\n#endif\n"));
sl@0: 	}
sl@0: 
sl@0: LOCAL_C void appendArrayName32(TPtrC aName)
sl@0: 	{
sl@0: 	buf=_L("");
sl@0: 	buf.AppendFormat(_L("const TInt32x %S[] = \n{\n"),&aName);
sl@0: 	buf8.Copy(buf);
sl@0: 	f.Write(buf8);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C void appendValue32(TReal32* aVal)
sl@0: 	{
sl@0: 	buf=_L("");
sl@0: 	buf.AppendFormat(_L("	TInt32x(0x%x),\n"),*(TUint32*)aVal);
sl@0: 	buf8.Copy(buf);
sl@0: 	f.Write(buf8);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C void appendArrayTerm()
sl@0: 	{
sl@0: 	buf8=_L8("};\n\n");
sl@0: 	f.Write(buf8);
sl@0: 	}
sl@0: 
sl@0: LOCAL_C void createAddArray()
sl@0: //
sl@0: // Writes an array of results of additions to the header file
sl@0: //
sl@0: 	{
sl@0: 	TInt ii;
sl@0: 	TReal32 ff;
sl@0: 
sl@0: 	appendArrayName32(_L("addArray"));
sl@0: 	for (ii=0; ii<sizeAdd-1; ii++)
sl@0: 		{
sl@0: 		ff=addInput[ii]+addInput[ii+1];
sl@0: 		appendValue32(&ff);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 	}
sl@0: 
sl@0: LOCAL_C void createSubArray()
sl@0: //
sl@0: // Writes an array of results of subtractions to the header file
sl@0: //
sl@0: 	{
sl@0: 	TInt ii;
sl@0: 	TReal32 ff;
sl@0: 
sl@0: 	appendArrayName32(_L("subArray"));
sl@0: 	for (ii=0; ii<sizeSub-1; ii++)
sl@0: 		{
sl@0: 		ff=subInput[ii]-subInput[ii+1];
sl@0: 		appendValue32(&ff);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 
sl@0: 	/*
sl@0: 	appendArrayName32(_L("subApproxArray"));
sl@0: 	for (ii=0; ii<sizeSubApprox; ii++)
sl@0: 		{
sl@0: 		ff=subApprox[ii].f-subApprox[ii].g;
sl@0: 		appendValue32(&ff);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 	*/
sl@0: 	} 
sl@0: 
sl@0: LOCAL_C void createMultArray()
sl@0: //
sl@0: // Writes an array of results of multiplications to the header file
sl@0: //
sl@0: 	{
sl@0: 	TInt ii;
sl@0: 	TReal32 ff;
sl@0: 
sl@0: 	appendArrayName32(_L("multArray"));
sl@0: 	for (ii=0; ii<sizeMult-1; ii++)
sl@0: 		{
sl@0: 		ff=multInput[ii]*multInput[ii+1];
sl@0: 		appendValue32(&ff);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 	} 
sl@0: 
sl@0: LOCAL_C void createDivArray()
sl@0: //
sl@0: // Writes an array of results of divisions to the header file
sl@0: //
sl@0: 	{
sl@0: 	TInt ii;
sl@0: 	TReal32 ff;
sl@0: 
sl@0: 	appendArrayName32(_L("divArray"));
sl@0: 	for (ii=0; ii<sizeDiv-1; ii++)
sl@0: 		{
sl@0: 		if (divInput[ii+1]!=0)
sl@0: 			{
sl@0: 			ff=divInput[ii]/divInput[ii+1];
sl@0: 			appendValue32(&ff);
sl@0: 			}
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 	} 
sl@0: 
sl@0: LOCAL_C void createUnaryArray()
sl@0: //
sl@0: // Writes an array of results of unary operations to the header file
sl@0: //
sl@0: 	{
sl@0: 	TReal32 f;
sl@0: 
sl@0: 	appendArrayName32(_L("unaryArray"));
sl@0: 	for (TInt ii=0; ii<sizeUnary; ii++)
sl@0: 		{
sl@0: 		f=-unaryInput[ii];
sl@0: 		appendValue32(&f);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 	} 
sl@0: 
sl@0: LOCAL_C void createIncDecArrays()
sl@0: //
sl@0: // Writes an array of results of pre and post increment and decrement operations to the
sl@0: // header file
sl@0: //
sl@0: 	{
sl@0: 	TInt ii;
sl@0: 	TReal32 f;
sl@0: 
sl@0: 	appendArrayName32(_L("preIncArray1"));
sl@0: 	for (ii=0; ii<sizeIncDec; ii++)
sl@0: 		{
sl@0: 		f=incDecInput[ii];
sl@0: 		++f;
sl@0: 		appendValue32(&f);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 
sl@0: 	appendArrayName32(_L("preIncArray2"));
sl@0: 	for (ii=0; ii<sizeIncDec; ii++)
sl@0: 		{
sl@0: 		f=incDecInput[ii];
sl@0: 		++f;
sl@0: 		++f;
sl@0: 		appendValue32(&f);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 
sl@0: 	appendArrayName32(_L("preDecArray1"));
sl@0: 	for (ii=0; ii<sizeIncDec; ii++)
sl@0: 		{
sl@0: 		f=incDecInput[ii];
sl@0: 		--f;
sl@0: 		appendValue32(&f);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 
sl@0: 	appendArrayName32(_L("preDecArray2"));
sl@0: 	for (ii=0; ii<sizeIncDec; ii++)
sl@0: 		{
sl@0: 		f=incDecInput[ii];
sl@0: 		--f;
sl@0: 		--f;
sl@0: 		appendValue32(&f);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 
sl@0: 	appendArrayName32(_L("postIncArray1"));
sl@0: 	for (ii=0; ii<sizeIncDec; ii++)
sl@0: 		{
sl@0: 		f=incDecInput[ii];
sl@0: 		f++;
sl@0: 		appendValue32(&f);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 
sl@0: 	appendArrayName32(_L("postIncArray2"));
sl@0: 	for (ii=0; ii<sizeIncDec; ii++)
sl@0: 		{
sl@0: 		f=incDecInput[ii];
sl@0: 		f++;
sl@0: 		f++;
sl@0: 		appendValue32(&f);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 
sl@0: 	appendArrayName32(_L("postDecArray1"));
sl@0: 	for (ii=0; ii<sizeIncDec; ii++)
sl@0: 		{
sl@0: 		f=incDecInput[ii];
sl@0: 		f--;
sl@0: 		appendValue32(&f);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 	
sl@0: 	appendArrayName32(_L("postDecArray2"));
sl@0: 	for (ii=0; ii<sizeIncDec; ii++)
sl@0: 		{
sl@0: 		f=incDecInput[ii];
sl@0: 		f--;
sl@0: 		f--;
sl@0: 		appendValue32(&f);
sl@0: 		}
sl@0: 	appendArrayTerm();
sl@0: 	} 
sl@0: 
sl@0: LOCAL_C void createArrays()
sl@0: //
sl@0: // Create and append to header file all arrays required for T_R32.CPP tests
sl@0: //
sl@0: 	{
sl@0: 	createAddArray();
sl@0: 	createSubArray();
sl@0: 	createMultArray();
sl@0: 	createDivArray();
sl@0: 	createUnaryArray();
sl@0: 	createIncDecArrays();
sl@0: 	}
sl@0: 
sl@0: GLDEF_C void CallTestsL(void)
sl@0: //
sl@0: // Generate TReal32s (and special values if required) and write to header files
sl@0: //
sl@0:     {
sl@0: 
sl@0: 	test.Title();
sl@0: 
sl@0: 	TFileName msg;
sl@0: 	msg=_L("Generating Maths constants to header files:\n ");
sl@0: 	msg+=pathName;
sl@0: 	msg+=fileName32;
sl@0: 	test.Start(msg);
sl@0: 
sl@0: 	test.Next(_L("Making directory"));
sl@0: 	TInt r=TheFs.MkDirAll(pathName);
sl@0: 	test(r==KErrNone || r==KErrAlreadyExists);
sl@0: 	test(TheFs.SetSessionPath(pathName)==KErrNone);
sl@0: 
sl@0: 	test(f.Replace(TheFs,fileName32,EFileWrite)==KErrNone);
sl@0: 	test.Next(_L("Generating TReal32s"));
sl@0: 	appendStart();
sl@0: 	createArrays();
sl@0: 	f.Close();
sl@0: 
sl@0: 	test.End();
sl@0: 
sl@0: 	return;
sl@0:     }