8711d6caf8
* makefile.bc
! Fixed compilation of dbgbrwsr
* source/pp/ppcore.c
* source/rtl/round.c
* source/rdd/dbfcdx/dbfcdx1.c
! Fixed errors when compiled with HB_TRACE
* source/common/hbffind.c
* Formatting.
121 lines
3.7 KiB
C
121 lines
3.7 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* ROUND(), INT() functions
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*
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* Copyright 1999 David G. Holm <dholm@jsd-llc.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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/*
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* The following parts are Copyright of the individual authors.
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* www - http://www.harbour-project.org
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*
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* Copyright 1999 Matthew Hamilton <mhamilton@bunge.com.au>
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* INT()
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*
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* Copyright 2003 Vicente Aranzana <varanzana@gruposp.com>
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* hb_numRound()
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*
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* See doc/license.txt for licensing terms.
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*
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*/
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#include <math.h>
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#include "hbapi.h"
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#include "hbapiitm.h"
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#include "hbapierr.h"
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HB_FUNC( INT )
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{
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PHB_ITEM pNumber = hb_param( 1, HB_IT_NUMERIC );
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if( pNumber )
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{
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double dNumber = hb_itemGetND( pNumber );
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int iWidth;
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hb_itemGetNLen( pNumber, &iWidth, NULL );
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hb_retndlen( dNumber >= 0 ? floor( dNumber ) : ceil( dNumber ), iWidth, 0 );
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}
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else
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hb_errRT_BASE_SubstR( EG_ARG, 1090, NULL, "INT", 1, hb_paramError( 1 ) );
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}
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double hb_numRound( double doValue, int nPrecision )
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{
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static const double doBase = 10.0f;
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double doComplete5, doComplete5i;
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HB_TRACE(HB_TR_DEBUG, ("hb_numRound(%lf, %d)", doValue, nPrecision));
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doComplete5 = doValue * pow( doBase, ( double ) ( nPrecision + 1 ) );
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if( doValue < 0.0f )
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doComplete5 -= 5.0f;
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else
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doComplete5 += 5.0f;
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doComplete5 /= doBase;
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modf( doComplete5, &doComplete5i );
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return doComplete5i / pow( doBase, ( double ) nPrecision );
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}
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HB_FUNC( ROUND )
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{
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if( ISNUM( 1 ) && ISNUM( 2 ) )
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{
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int iDec = hb_parni( 2 );
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hb_retndlen( hb_numRound( hb_parnd( 1 ), iDec ), 0, HB_MAX( iDec, 0 ) );
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}
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else
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hb_errRT_BASE_SubstR( EG_ARG, 1094, NULL, "ROUND", 2, hb_paramError( 1 ), hb_paramError( 2 ) );
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}
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