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Diffstat (limited to 'src/H5Tpkg.h')
| -rw-r--r-- | src/H5Tpkg.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/H5Tpkg.h b/src/H5Tpkg.h index 6854bc2..1f406e8 100644 --- a/src/H5Tpkg.h +++ b/src/H5Tpkg.h @@ -64,6 +64,102 @@ /* Macro to ease detecting atomic datatypes */ #define H5T_IS_ATOMIC(dt) (!(H5T_IS_COMPLEX((dt)->type) || (dt)->type==H5T_OPAQUE)) + +/* Define an interim macro for converting between floating number(float and double) and floating number. + * All Cray compilers don't support denormalized floating values generating exception(?). */ +#if H5_CONVERT_DENORMAL_FLOAT +#define FP_FP 1 +#endif /*H5_CONVERT_DENORMAL_FLOAT*/ + +/* Define an interim macro for converting between floating number(float and double) and long double. + * All Cray compilers don't support denormalized floating values generating exception(?). NEC doesn't + * support long double. */ +#if H5_SIZEOF_LONG_DOUBLE && H5_CONVERT_DENORMAL_FLOAT +#define FP_LDOUBLE 1 +#endif /*H5_SIZEOF_LONG_DOUBLE && H5_CONVERT_DENORMAL_FLOAT*/ + +/* Define an interim macro for converting all integers to long double. SGI compilers give some + * incorrect conversions. */ +#if (H5_WANT_DATA_ACCURACY && H5_INTEGER_TO_LDOUBLE_ACCURATE) || (!H5_WANT_DATA_ACCURACY) +#define INTEGER_LDOUBLE 1 +#endif + +/* Define an interim macro for converting unsigned (long) long to floating numbers. + * 64-bit Solaris does different rounding. */ +#if (H5_WANT_DATA_ACCURACY && H5_ULONG_TO_FP_BOTTOM_BIT_ACCURATE) || (!H5_WANT_DATA_ACCURACY) +#define ULONG_FP 1 +#endif + +/* Define an interim macro for converting unsigned long to long double. SGI compilers give some + * incorrect conversions. 64-bit Solaris does different rounding. */ +#if (H5_WANT_DATA_ACCURACY && H5_INTEGER_TO_LDOUBLE_ACCURATE && H5_ULONG_TO_FP_BOTTOM_BIT_ACCURATE) || \ + (!H5_WANT_DATA_ACCURACY) +#define ULONG_LDOUBLE 1 +#endif + +/* Define an interim macro for converting unsigned long long to floating numbers. SGI compilers give + * some incorect conversion. 64-bit Solaris does different rounding. Windows Visual Studio 6 does + * not support unsigned long long. */ +#if (H5_WANT_DATA_ACCURACY && H5_ULLONG_TO_FP_CAST_WORKS && H5_ULONG_TO_FP_BOTTOM_BIT_ACCURATE) || \ + (!H5_WANT_DATA_ACCURACY && H5_ULLONG_TO_FP_CAST_WORKS) +#define ULLONG_FP 1 +#endif + +/* Define an interim macro for converting unsigned long long to long double. SGI compilers give + * some incorect conversion. 64-bit Solaris does different rounding. Windows Visual Studio 6 does + * not support unsigned long long. For FreeBSD(sleipnir), the last 2 bytes of mantissa are lost when + * compiler tries to do the conversion. For Cygwin, compiler doesn't do rounding correctly. */ +#if (H5_WANT_DATA_ACCURACY && H5_ULLONG_TO_FP_CAST_WORKS && H5_ULONG_TO_FP_BOTTOM_BIT_ACCURATE && \ + H5_ULLONG_TO_LDOUBLE_PRECISION) || (!H5_WANT_DATA_ACCURACY && H5_ULLONG_TO_FP_CAST_WORKS) +#define ULLONG_LDOUBLE 1 +#endif + +/* Define an interim macro for converting long double to all integers. SGI compilers give some incorrect + * conversions. HP-UX 11.00 compiler generates floating exception. */ +#if (H5_WANT_DATA_ACCURACY && H5_LDOUBLE_TO_INTEGER_ACCURATE && H5_LDOUBLE_TO_INTEGER_WORKS) || \ + (!H5_WANT_DATA_ACCURACY && H5_LDOUBLE_TO_INTEGER_WORKS) +#define LDOUBLE_INTEGER 1 +#endif + +/* Define an interim macro for converting long double to unsigned int. SGI compilers give some incorrect + * conversions. HP-UX 11.00 compiler generates floating exception. Some Intel compilers on some Linux + * give incorrect values. */ +#if (H5_WANT_DATA_ACCURACY && H5_LDOUBLE_TO_INTEGER_ACCURATE && H5_LDOUBLE_TO_UINT_ACCURATE && \ + H5_LDOUBLE_TO_INTEGER_WORKS) || (!H5_WANT_DATA_ACCURACY && H5_LDOUBLE_TO_INTEGER_WORKS) +#define LDOUBLE_UINT 1 +#endif + +/* Define an interim macro for converting floating numbers to long long. The hard conversion on Windows + * .NET 2003 has a bug and gives wrong exception value. */ +#if (H5_WANT_DATA_ACCURACY && !H5_HW_FP_TO_LLONG_NOT_WORKS) || (!H5_WANT_DATA_ACCURACY) +#define FP_LLONG 1 +#endif + +/* Define an interim macro for converting long double to long long. SGI compilers give some incorrect + * conversions. HP-UX 11.00 compiler generates floating exception. The hard conversion on Windows + * .NET 2003 has a bug and gives wrong exception value. */ +#if (H5_WANT_DATA_ACCURACY && !H5_HW_FP_TO_LLONG_NOT_WORKS && H5_LDOUBLE_TO_INTEGER_ACCURATE && \ + H5_LDOUBLE_TO_INTEGER_WORKS) || \ + (!H5_WANT_DATA_ACCURACY && !H5_HW_FP_TO_LLONG_NOT_WORKS && H5_LDOUBLE_TO_INTEGER_WORKS) +#define LDOUBLE_LLONG 1 +#endif + +/* Define an interim macro for converting floating numbers to unsigned long long. PGI compiler does + * roundup when the source fraction part is greater than 0.5. HP-UX compilers set the maximal number + * for unsigned long long as 0x7fffffffffffffff during conversion. */ +#if (H5_WANT_DATA_ACCURACY && H5_FP_TO_ULLONG_ACCURATE && H5_FP_TO_ULLONG_RIGHT_MAXIMUM) || \ + (!H5_WANT_DATA_ACCURACY) +#define FP_ULLONG 1 +#endif + +/* Define an interim macro for converting long double to all integers. SGI compilers give some incorrect + * conversions. HP-UX 11.00 compiler generates floating exception. */ +#if (H5_WANT_DATA_ACCURACY && H5_LDOUBLE_TO_INTEGER_ACCURATE && H5_LDOUBLE_TO_INTEGER_WORKS && \ + H5_FP_TO_ULLONG_ACCURATE && H5_FP_TO_ULLONG_RIGHT_MAXIMUM) || \ + (!H5_WANT_DATA_ACCURACY && H5_LDOUBLE_TO_INTEGER_WORKS) +#define LDOUBLE_ULLONG 1 +#endif + /* Statistics about a conversion function */ struct H5T_stats_t { unsigned ncalls; /*num calls to conversion function */ |