Chombo + EB: REAL.H Source File

00001 #ifdef CH_LANG_CC
00002 /*
00003 *      _______              __
00004 *     / ___/ /  ___  __ _  / /  ___
00005 *    / /__/ _ \/ _ \/  V \/ _ \/ _ \
00006 *    \___/_//_/\___/_/_/_/_.__/\___/
00007 *    Please refer to Copyright.txt, in Chombo's root directory.
00008 */
00009 #endif
00010 
00011 
00012 #ifndef _REAL_H_
00013 #define _REAL_H_
00014 
00015 #ifdef CH_USE_FLOAT /* precision */
00016 #  undef  CH_USE_DOUBLE
00017 #  undef  CH_USE_FLOAT
00018 #  define CH_USE_FLOAT  1
00019 #else   /* precision */
00020 #  undef  CH_USE_FLOAT
00021 #  undef  CH_USE_DOUBLE
00022 #  define CH_USE_DOUBLE 1
00023 #endif  /* precision */
00024 
00025 #if !defined(CH_LANG_FORT) /* language */
00026 #  ifdef CH_USE_FLOAT /* precision */
00027      typedef float Real;
00028 #    define MPI_CH_REAL         MPI_FLOAT
00029 #    define H5T_NATIVE_REAL     H5T_NATIVE_FLOAT
00030 #    define BASEFAB_REAL_SETVAL 1.23456789e+30
00031 #    define CH_BADVAL           (Real)1.0e30
00032 #  else   /* precision */
00033      typedef double Real;
00034 #    define MPI_CH_REAL         MPI_DOUBLE
00035 #    define H5T_NATIVE_REAL     H5T_NATIVE_DOUBLE
00036 #    define BASEFAB_REAL_SETVAL 1.23456789e+300
00037 #    define CH_BADVAL           (Real)1.0e99
00038 #  endif  /* precision */
00039 
00040 #else /* language */
00041 
00042 #  ifdef CH_USE_FLOAT /* precision */
00043 #    define REAL_T REAL
00044 #    define COMPLEX_T COMPLEX
00045 #  else /* precision */
00046 #    if defined(CH_CRAY)
00047 #      define REAL_T REAL
00048 #      define COMPLEX_T COMPLEX
00049 #    else /*cray */
00050 #      define REAL_T REAL*8
00051 #      define COMPLEX_T COMPLEX*16
00052 #    endif /*cray*/
00053 #  endif /* precision */
00054 
00055 #endif /* language */
00056 
00057 #if defined(CH_LANG_FORT)
00058 #  define Real_T REAL_T
00059 #  define Real_t REAL_T
00060 #  define real_t REAL_T
00061 #  define Complex_T COMPLEX_T
00062 #  define complex_T COMPLEX_T
00063 #  define complex_t COMPLEX_T
00064 #endif
00065 
00066 #if !defined(CH_USE_FLOAT) && !defined(CH_USE_DOUBLE)
00067 #error Exactly one of CH_USE_FLOAT or CH_USE_DOUBLE must be defined
00068 #endif
00069 
00070 #endif