// $Id: plc++demos.h 11297 2010-11-02 03:31:14Z airwin $
//
//      All the common includes and constants needed by the C++ demo programs.
//

#ifndef __PLCXXDEMOS_H__
#define __PLCXXDEMOS_H__

// plplot actually includes the C versions of these 2, but
// add here for completeness
#include <cstdio>
#include <cstdlib>

#include <iostream>
#include <cstring>
#include <cmath>

// common includes
#include "plstream.h"

// common defines
#ifndef M_PI
#define M_PI    3.1415926535897932384
#endif

// various utility macros
#ifndef ROUND
#define ROUND( a )    (PLINT) ( ( a ) < 0. ? ( ( a ) - 0.5 ) : ( ( a ) + 0.5 ) )
#endif

// Declarations for save string functions

#ifdef PL_HAVE_SNPRINTF
// In case only _snprintf is declared (as for Visual C++ and
// Borland compiler toolset) we redefine the function names
  #ifdef _PL_HAVE_SNPRINTF
    #define snprintf    _snprintf
    #define snscanf     _snscanf
  #endif // _PL_HAVE_SNPRINTF
#else // !PL_HAVE_SNPRINTF
// declare dummy functions which just call the unsafe
// functions ignoring the size of the string
int plsnprintf( char *buffer, int n, const char *format, ... );
int plsnscanf( const char *buffer, int n, const char *format, ... );
  #define snprintf    plsnprintf
  #define snscanf     plsnscanf
#endif // PL_HAVE_SNPRINTF

// Add in missing isnan definition if required
#if defined ( PL__HAVE_ISNAN )
#  define isnan    _isnan
#  if defined ( _MSC_VER )
#    include <float.h>
#  endif
#endif

#if !defined ( PL_HAVE_ISNAN )
#  define isnan( x )    ( ( x ) != ( x ) )
#endif

#endif  // __PLCXXDEMOS_H__