Overview
| Comment: | Check floating point endianess. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
0348b9b3b34673c8cf1880bcf98e33bd |
| User & Date: | js on 2011-06-05 17:50:57 |
| Other Links: | manifest | tags |
Context
|
2011-06-05
| ||
| 18:07 | Add methods for byte swapping floats and doubles. check-in: 2be6a03c5a user: js tags: trunk | |
| 17:50 | Check floating point endianess. check-in: 0348b9b3b3 user: js tags: trunk | |
|
2011-06-04
| ||
| 18:49 | Fix a bug in -[OFDictionary initWithKeys:arguments:]. check-in: 50457cd1fd user: js tags: trunk | |
Changes
Modified configure.ac from [0fb16c8957] to [d47674644f].
| ︙ | ︙ | |||
211 212 213 214 215 216 217 | AC_SUBST(MACH_ALIAS_LIST, ["-Xarch_x86_64 -Wl,-alias_list,mach_alias_list"]) ;; esac AC_C_BIGENDIAN([ AC_DEFINE(OF_BIG_ENDIAN, 1, [Whether we are big endian]) | > | > > > > > > > > > > > > > > > > > > > | 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 |
AC_SUBST(MACH_ALIAS_LIST,
["-Xarch_x86_64 -Wl,-alias_list,mach_alias_list"])
;;
esac
AC_C_BIGENDIAN([
AC_DEFINE(OF_BIG_ENDIAN, 1, [Whether we are big endian])
])
AC_MSG_CHECKING(for floating point endianess)
float_endianess="unknown"
AC_TRY_COMPILE([
double endianess = 184092775106.859375;
], [
], [
AS_IF([$EGREP BEndian conftest.$ac_objext >/dev/null], [
AC_DEFINE(OF_FLOAT_BIG_ENDIAN, 1,
[Whether floats are big endian])
float_endianess="big endian"
], [
AS_IF([$EGREP naidnEB conftest.$ac_objext >/dev/null], [
float_endianess="little endian"
])
])
])
AC_MSG_RESULT($float_endianess)
AS_IF([test x"$float_endianess" = x"unknown"], [
AC_MSG_ERROR([FP implementation does not conform to IEEE 754!])
])
AC_MSG_CHECKING(for SIZE_MAX)
AC_EGREP_CPP(yes, [
#include <stdint.h>
#include <limits.h>
|
| ︙ | ︙ |
Modified src/objfw-defs.h.in from [cbf8d3b793] to [5f2f5a13db].
1 2 3 4 5 6 7 8 9 10 | #undef OF_APPLE_RUNTIME #undef OF_ATOMIC_OPS #undef OF_BIG_ENDIAN #undef OF_GNU_RUNTIME #undef OF_HAVE_ASPRINTF #undef OF_HAVE_BLOCKS #undef OF_HAVE_FAST_ENUMERATION #undef OF_HAVE_GCC_ATOMIC_OPS #undef OF_HAVE_OPTIONAL_PROTOCOLS #undef OF_HAVE_OSATOMIC | > | 1 2 3 4 5 6 7 8 9 10 11 | #undef OF_APPLE_RUNTIME #undef OF_ATOMIC_OPS #undef OF_BIG_ENDIAN #undef OF_FLOAT_BIG_ENDIAN #undef OF_GNU_RUNTIME #undef OF_HAVE_ASPRINTF #undef OF_HAVE_BLOCKS #undef OF_HAVE_FAST_ENUMERATION #undef OF_HAVE_GCC_ATOMIC_OPS #undef OF_HAVE_OPTIONAL_PROTOCOLS #undef OF_HAVE_OSATOMIC |
| ︙ | ︙ |