// fp.hh -- set up floating point types
// $Id$

#ifdef CCTK_VARIABLE_REAL
   // CCTK_REAL is defined
   typedef CCTK_REAL fp;
#else
   // we must be doing a test compilation outside of Cactus
   // FIXME: this is just a hack until my Cactus problem report #725
   //	     is acted on and Cactus defines these
   #define CCTK_REAL_CTYPE_FLOAT	4
   #define CCTK_REAL_CTYPE_DOUBLE	8
   #define CCTK_REAL_CTYPE_LONG_DOUBLE	16

   typedef double fp;
   #define CCTK_REAL_CTYPE	CCTK_REAL_CTYPE_DOUBLE
#endif

// scanf(3) formats for reading fp values
#if   (CCTK_REAL_CTYPE == CCTK_REAL_CTYPE_FLOAT)
  #define FP_SCANF_FORMAT "%f"
#elif (CCTK_REAL_CTYPE == CCTK_REAL_CTYPE_DOUBLE)
  #define FP_SCANF_FORMAT "%lf"
#else
  #error "don't know scanf(3) format for this CCTK_REAL!"
#endif

// FIXME: another hack
#ifdef FINITE_DIFF_ORDER
  // someone (probably a Makefile) has already defined this ==> leave it alone
#else
  #define FINITE_DIFF_ORDER	2
#endif