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round.c
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round.c
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/*
* Round(), Int() functions
*
* Copyright 1999 David G. Holm <dholm@jsd-llc.com>
* Copyright 1999 Matthew Hamilton <mhamilton@bunge.com.au> (Int())
* Copyright 2003 Vicente Aranzana <varanzana@gruposp.com> (hb_numRound())
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING.txt. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site https://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*
*/
#include "hbapi.h"
#include "hbapiitm.h"
#include "hbapierr.h"
HB_FUNC( INT )
{
PHB_ITEM pNumber = hb_param( 1, HB_IT_NUMERIC );
if( pNumber )
{
if( HB_IS_NUMINT( pNumber ) )
hb_itemReturn( pNumber );
else
{
int iWidth;
hb_itemGetNLen( pNumber, &iWidth, NULL );
hb_retnlen( hb_numInt( hb_itemGetND( pNumber ) ), iWidth, 0 );
}
}
else
hb_errRT_BASE_SubstR( EG_ARG, 1090, NULL, HB_ERR_FUNCNAME, HB_ERR_ARGS_BASEPARAMS );
}
HB_FUNC( ROUND )
{
PHB_ITEM pNumber = hb_param( 1, HB_IT_NUMERIC );
if( pNumber && HB_ISNUM( 2 ) )
{
int iDec = hb_parni( 2 );
#ifdef HB_CLP_STRICT
/* In CA-Cl*pper Round() always returns double item, what in some
* applications may be important due to different formatting rules
* when SET FIXED is ON [druzus]
*/
hb_retndlen( hb_numRound( hb_itemGetND( pNumber ), iDec ), 0, HB_MAX( iDec, 0 ) );
#else
if( iDec == 0 && HB_IS_NUMINT( pNumber ) )
hb_retnint( hb_itemGetNInt( pNumber ) );
else
hb_retnlen( hb_numRound( hb_itemGetND( pNumber ), iDec ), 0, HB_MAX( iDec, 0 ) );
#endif
}
else
hb_errRT_BASE_SubstR( EG_ARG, 1094, NULL, HB_ERR_FUNCNAME, HB_ERR_ARGS_BASEPARAMS );
}