Files
harbour-core/include/hbmather.h
Viktor Szakats 9f16c2bf8e 2017-08-13 18:27 UTC Viktor Szakats (vszakats users.noreply.github.com)
* *
    * update copyright headers with new FSF postal address
    * COPYING.txt -> LICENSE.txt (rest of repo to be synced)
2017-08-13 18:38:59 +00:00

124 lines
4.4 KiB
C

/*
* Harbour math functions and API
*
* Copyright 2001 IntTec GmbH, Neunlindenstr 32, 79106 Freiburg, Germany
* Author: Martin Vogel <vogel@inttec.de>
*
* 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 program; see the file LICENSE.txt. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
*
* 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.
*
*/
#ifndef HB_MATHER_H_
#define HB_MATHER_H_
#include "hbmath.h"
HB_EXTERN_BEGIN
#if defined( __WATCOMC__ )
#define HB_MATH_HANDLER
#if ( __WATCOMC__ > 1000 ) /* && defined( __cplusplus ) */
#define exception _exception
#endif
#elif defined( __BORLANDC__ )
#if ( __BORLANDC__ == 0x530 ) && defined( __cplusplus )
/* NOTE: There seem to be a bug in Borland C++ 5.3 C++ mode which prevents
the redefinition of matherr, because nor "_exception" neither
"exception" will work. [vszakats] */
#else
#define HB_MATH_HANDLER
#define matherr _matherr
/* NOTE: This is needed for Borland C++ 5.5 in C++/STDC mode. [vszakats] */
#if ( __BORLANDC__ >= 0x550 )
#define exception _exception
#endif
#endif
#elif defined( __MINGW32CE__ )
#define HB_MATH_HANDLER
#define matherr _matherr
#define exception _exception
/* it seems that MinGW has some problem with MATH HANDLER
use HB_MATH_ERRNO instead */
#elif defined( __MINGW32__ ) && 0
#define HB_MATH_HANDLER
#define matherr _matherr
#define exception _exception
#elif defined( __DJGPP__ )
#if ! defined( __cplusplus )
#define HB_MATH_HANDLER
#endif
#endif
#if ! defined( HB_MATH_HANDLER ) && \
( defined( __GNUC__ ) || defined( HB_OS_UNIX ) )
#define HB_MATH_ERRNO
#endif
typedef struct _HB_MATH_EXCEPTION
{
int type;
const char * funcname;
const char * error;
double arg1;
double arg2;
double retval;
int retvalwidth;
int retvaldec;
int handled;
} HB_MATH_EXCEPTION;
typedef int ( * HB_MATH_HANDLERPROC )( HB_MATH_EXCEPTION * err );
extern HB_EXPORT void hb_mathResetError( HB_MATH_EXCEPTION * phb_exc );
extern HB_EXPORT HB_BOOL hb_mathGetError( HB_MATH_EXCEPTION * phb_exc, const char *szFunc, double arg1, double arg2, double dResult );
extern HB_EXPORT int hb_mathSetErrMode( int imode );
extern HB_EXPORT int hb_mathGetErrMode( void );
extern HB_EXPORT HB_MATH_HANDLERPROC hb_mathSetHandler( HB_MATH_HANDLERPROC handlerproc );
extern HB_EXPORT HB_MATH_HANDLERPROC hb_mathGetHandler( void );
/* include defines from hbmath.ch */
#include "hbmath.ch"
HB_EXTERN_END
#endif /* HB_MATHER_H_ */