REAL.H

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#ifndef CH_REAL_H
#define CH_REAL_H


#ifdef CH_LANG_CC
/* _______              __
  / ___/ /  ___  __ _  / /  ___
 / /__/ _ \/ _ \/  ' \/ _ \/ _ \
 \___/_//_/\___/_/_/_/_.__/\___/ 
*/
//
// This software is copyright (C) by the Lawrence Berkeley
// National Laboratory.  Permission is granted to reproduce
// this software for non-commercial purposes provided that
// this notice is left intact.
// 
// It is acknowledged that the U.S. Government has rights to
// this software under Contract DE-AC03-765F00098 between
// the U.S.  Department of Energy and the University of
// California.
//
// This software is provided as a professional and academic
// contribution for joint exchange. Thus it is experimental,
// is provided ``as is'', with no warranties of any kind
// whatsoever, no support, no promise of updates, or printed
// documentation. By using this software, you acknowledge
// that the Lawrence Berkeley National Laboratory and
// Regents of the University of California shall have no
// liability with respect to the infringement of other
// copyrights by any part of this software.
//

#endif


#ifdef CH_USE_FLOAT /* precision */

#undef CH_USE_DOUBLE
#undef CH_USE_FLOAT
#define CH_USE_FLOAT 1

#else   /* precision */     

#  undef  CH_USE_FLOAT
#  undef  CH_USE_DOUBLE
#  define CH_USE_DOUBLE 1

#endif  /* precision */

#if !defined(CH_LANG_FORT) /* language */

#ifdef CH_USE_FLOAT /* precision */

     typedef float Real;
#define  MPI_CH_REAL MPI_FLOAT
#define  H5T_NATIVE_REAL H5T_NATIVE_FLOAT

#else   /* precision */     

     typedef double Real;
#    define MPI_CH_REAL MPI_DOUBLE
#    define H5T_NATIVE_REAL H5T_NATIVE_DOUBLE

#endif  /* precision */

#else /* language */

#ifdef CH_USE_FLOAT /* precision */
#define REAL_T REAL
#else /* precision */

#if defined(CH_CRAY)
#define REAL_T REAL
#else /*cray */
#define REAL_T REAL*8
#endif /*cray*/

#endif /* precision */
#endif /* language */

#if defined(CH_LANG_FORT)
#define Real_T REAL_T
#define Real_t REAL_T
#define real_t REAL_T
#endif

#if !defined(CH_USE_FLOAT) && !defined(CH_USE_DOUBLE)
#error Exactly one of CH_USE_FLOAT or CH_USE_DOUBLE must be defined
#endif

#endif /*CH_REAL_H*/

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