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| author | Dana Robinson <43805+derobins@users.noreply.github.com> | 2023-06-15 16:13:22 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-06-15 16:13:22 (GMT) |
| commit | fcdd0ab9dc93871fa600aface194b294947fad1b (patch) | |
| tree | 305a955e98f15290a2953021f5565e45b29657be /src/H5Tpkg.h | |
| parent | 9a8c5810ed37d353522cbb26014698881cd52ce4 (diff) | |
| download | hdf5-fcdd0ab9dc93871fa600aface194b294947fad1b.zip hdf5-fcdd0ab9dc93871fa600aface194b294947fad1b.tar.gz hdf5-fcdd0ab9dc93871fa600aface194b294947fad1b.tar.bz2 | |
Revert long double checks (#3133)
* Revert "Remove long double conversion work-arounds (#3097)"
This reverts commit 1e1dac1dac58fa18f6b7788346d1ba7d3315b0f9.
* Update comments to reflect newer systems
Diffstat (limited to 'src/H5Tpkg.h')
| -rw-r--r-- | src/H5Tpkg.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/H5Tpkg.h b/src/H5Tpkg.h index df16413..23fa960 100644 --- a/src/H5Tpkg.h +++ b/src/H5Tpkg.h @@ -112,6 +112,37 @@ /* (_not_ setting H5T_VISIT_SIMPLE and setting either H5T_VISIT_COMPLEX_FIRST or H5T_VISIT_COMPLEX_LAST will * mean visiting all nodes _except_ "simple" "leafs" in the "tree" */ +/* Define an internal macro for converting long long to long double. Mac OS 10.4 gives some + * incorrect conversions. */ +#if (H5_WANT_DATA_ACCURACY && defined(H5_LLONG_TO_LDOUBLE_CORRECT)) || (!H5_WANT_DATA_ACCURACY) +#define H5T_CONV_INTERNAL_LLONG_LDOUBLE 1 +#endif + +/* Define an internal macro for converting unsigned long long to long double. SGI compilers give + * some incorrect 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. + * Mac OS 10.4 gives some incorrect result. */ +#if (H5_WANT_DATA_ACCURACY && defined(H5_LLONG_TO_LDOUBLE_CORRECT)) || (!H5_WANT_DATA_ACCURACY) +#define H5T_CONV_INTERNAL_ULLONG_LDOUBLE 1 +#endif + +/* Define an internal macro for converting long double to long long. SGI compilers give some incorrect + * conversions. Mac OS 10.4 gives 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 && defined(H5_LDOUBLE_TO_LLONG_ACCURATE)) || (!H5_WANT_DATA_ACCURACY) +#define H5T_CONV_INTERNAL_LDOUBLE_LLONG 1 +#endif + +/* Define an internal macro for converting long double to unsigned long long. SGI compilers give some + * incorrect conversions. Mac OS 10.4 gives incorrect conversions. HP-UX 11.00 compiler generates + * floating exception. */ +#if (H5_WANT_DATA_ACCURACY && defined(H5_LDOUBLE_TO_LLONG_ACCURATE)) || (!H5_WANT_DATA_ACCURACY) +#define H5T_CONV_INTERNAL_LDOUBLE_ULLONG 1 +#else +#define H5T_CONV_INTERNAL_LDOUBLE_ULLONG 0 +#endif + /* Statistics about a conversion function */ struct H5T_stats_t { unsigned ncalls; /*num calls to conversion function */ |