24ec421a42
* harbour.spec
+ Added HU translation (cpwin).
* source/rtl/gtfunc.c
% Minor opt.
* source/rtl/console.c
* source/rtl/fserror.c
* source/rtl/strmatch.c
* source/rtl/padr.c
* source/rtl/hbhex.c
* source/rtl/at.c
* source/rtl/abs.c
* source/rtl/dates.c
* source/rtl/padc.c
* source/rtl/mod.c
* source/rtl/hbrandom.c
* source/rtl/filesys.c
* source/rtl/padl.c
* source/rtl/val.c
* source/rtl/hbregex.c
* source/vm/runner.c
* source/vm/hashes.c
* source/vm/itemapi.c
* source/vm/hvm.c
* source/vm/maindllp.c
* source/vm/fm.c
* source/vm/arrayshb.c
* source/vm/classes.c
* source/common/hbtrace.c
* Formatting (whitespace only)
118 lines
4.1 KiB
C
118 lines
4.1 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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* MOD() function
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*
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* Copyright 1999 Matthew Hamilton <mhamilton@bunge.com.au>
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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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#include "hbapi.h"
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#include "hbapiitm.h"
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#include "hbapierr.h"
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#include "hbmath.h"
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/* NOTE: In CA-Cl*pper this is written in Clipper, see the source below,
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and the error handling is NOT made here, but in the % operator.
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[vszakats] */
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/* NOTE: CA-Cl*pper is buggy since it relies on the fact that the errorhandler
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will silently handle zero division errors. [vszakats] */
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/* NOTE: This C version fully emulates the behaviour of the original
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CA-Cl*pper version, including bugs/side-effects. [vszakats] */
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HB_FUNC( MOD )
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{
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PHB_ITEM pNumber = hb_param( 1, HB_IT_NUMERIC );
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PHB_ITEM pBase = hb_param( 2, HB_IT_NUMERIC );
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if( pNumber && pBase )
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{
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double dNumber = hb_itemGetND( pNumber );
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double dBase = hb_itemGetND( pBase ); /* dBase! Cool! */
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if( dBase )
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{
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double dResult = fmod( dNumber, dBase );
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if( dResult && ( dNumber > 0 ? dBase < 0 : dBase > 0 ) )
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dResult += dBase;
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hb_retnd( dResult );
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}
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else
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{
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PHB_ITEM pResult = hb_errRT_BASE_Subst( EG_ZERODIV, 1341, NULL, "%", HB_ERR_ARGS_BASEPARAMS );
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/* In CA-Cl*pper MOD() function ignores substitution result
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* and return original numeric item keeping its internal
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* representation: integer or double, size and number of
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* decimal places, it can be seen in code like:
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* proc main()
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* set fixed on
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* ? transform(mod( 12345, 0 ),"")
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* return
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*
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* [druzus]
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*/
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if( pResult )
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{
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hb_itemReturn( pNumber );
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hb_itemRelease( pResult );
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}
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}
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}
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else
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hb_errRT_BASE_SubstR( EG_ARG, 1085, NULL, "%", 2, hb_param( 1, HB_IT_ANY ), hb_param( 2, HB_IT_ANY ) );
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}
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/*
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FUNCTION MOD( cl_num, cl_base )
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LOCAL cl_result := cl_num % cl_base
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RETURN iif( cl_base = 0, cl_num, iif( cl_result * cl_base < 0, cl_result + cl_base, cl_result ) )
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*/
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