Overview
| Comment: | Check size of float and double. |
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| SHA3-256: |
c3f475701ced5a1f09848cfaebfed1fb |
| User & Date: | js on 2011-06-05 18:44:49 |
| Other Links: | manifest | tags |
Context
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2011-06-05
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| 18:53 | Rename -[connetToHost:onPort:] to -[connectToHost:port:]. check-in: 1940d72ec7 user: js tags: trunk | |
| 18:44 | Check size of float and double. check-in: c3f475701c user: js tags: trunk | |
| 18:32 | Add methods to read / write floats and doubles to OFStream. check-in: f31197a153 user: js tags: trunk | |
Changes
Modified configure.ac from [d47674644f] to [e128d5eedf].
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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 | ;; 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"], [ | > > > > > > > | < | 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 | ;; esac AC_C_BIGENDIAN([ AC_DEFINE(OF_BIG_ENDIAN, 1, [Whether we are big endian]) ]) AC_CHECK_SIZEOF(float) AC_CHECK_SIZEOF(double) AS_IF([test x"$ac_cv_sizeof_float" != x"4" -o x"$ac_cv_sizeof_double" != x"8"], [AC_MSG_ERROR( [Floating point implementation does not conform to IEEE 754!])]) 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( [Floating point implementation does not conform to IEEE 754!])]) AC_MSG_CHECKING(for SIZE_MAX) AC_EGREP_CPP(yes, [ #include <stdint.h> #include <limits.h> #ifdef SIZE_MAX |
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