diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 115 |
1 files changed, 0 insertions, 115 deletions
@@ -28150,121 +28150,6 @@ $as_echo "no" >&6; } ;; esac - -## ---------------------------------------------------------------------- -## Set the flag to indicate that the machine can accurately convert -## 'unsigned (long) long' values to 'float' and 'double' values. -## (This flag should be set for all machines, except for the SGIs) and Solaris -## 64-bit machines, where the short program below tests if round-up is -## correctly handled. -## -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if accurately converting unsigned long long to floating-point values" >&5 -$as_echo_n "checking if accurately converting unsigned long long to floating-point values... " >&6; } - -if test ${host_os_novers} = "solaris2.x"; then - if ${hdf5_cv_ulong_to_fp_bottom_bit_accurate+:} false; then : - $as_echo_n "(cached) " >&6 -else - if test "$cross_compiling" = yes; then : - { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 -$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} -as_fn_error $? "cannot run test program while cross compiling -See \`config.log' for more details" "$LINENO" 5; } -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - - int main(void) - { - unsigned long l1; - unsigned long l2; - unsigned long l3; - unsigned long l4; - unsigned long long ld1; - unsigned long long ld2; - unsigned long long ld3; - unsigned long long ld4; - double d1, d2, d3, d4; - unsigned char s[8]; - int ret = 0; - - if(sizeof(unsigned long)==8) { - l1 = 0xf000000000000b00UL; /*Round-down case*/ - l2 = 0xf000000000000401UL; /*Round-up case*/ - l3 = 0xf000000000000400UL; /*Round-down case*/ - l4 = 0xf000000000000c00UL; /*Round-up case*/ - - d1 = (double)l1; - d2 = (double)l2; - d3 = (double)l3; - d4 = (double)l4; - } else if(sizeof(unsigned long long)==8) { - ld1 = 0xf000000000000b00ULL; /*Round-down case*/ - ld2 = 0xf000000000000401ULL; /*Round-up case*/ - ld3 = 0xf000000000000400ULL; /*Round-down case*/ - ld4 = 0xf000000000000c00ULL; /*Round-up case*/ - - d1 = (double)ld1; - d2 = (double)ld2; - d3 = (double)ld3; - d4 = (double)ld4; - } else { - ret = 1; - goto done; - } - - memcpy(s, &d1, 8); - if(s[7]!=1) - ret = 1; - - memcpy(s, &d2, 8); - if(s[7]!=1) - ret = 1; - - memcpy(s, &d3, 8); - if(s[7]!=0) - ret = 1; - - memcpy(s, &d4, 8); - if(s[7]!=2) - ret = 1; - -done: - exit(ret); - } - -_ACEOF -if ac_fn_c_try_run "$LINENO"; then : - hdf5_cv_ulong_to_fp_bottom_bit_accurate=yes -else - hdf5_cv_ulong_to_fp_bottom_bit_accurate=no -fi -rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ - conftest.$ac_objext conftest.beam conftest.$ac_ext -fi - -fi - -else - if ${hdf5_cv_ulong_to_fp_bottom_bit_accurate+:} false; then : - $as_echo_n "(cached) " >&6 -else - hdf5_cv_ulong_to_fp_bottom_bit_accurate=yes -fi - -fi - -if test ${hdf5_cv_ulong_to_fp_bottom_bit_accurate} = "yes"; then - -$as_echo "#define ULONG_TO_FP_BOTTOM_BIT_ACCURATE 1" >>confdefs.h - - { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 -$as_echo "yes" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } -fi - ## ---------------------------------------------------------------------- ## Set the flag to indicate that the machine can accurately convert ## 'float' or 'double' to 'unsigned long long' values. |