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* stdio-common/tstdiomisc.c (F): Use NAN to get NaN value.

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This commit is contained in:
Ulrich Drepper 2006-01-07 22:04:22 +00:00
parent a7e915610a
commit 38cbcf0a37
3 changed files with 11 additions and 16 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2006-01-07 Ulrich Drepper <drepper@redhat.com>
* stdio-common/tstdiomisc.c (F): Use NAN to get NaN value.
2006-01-06 Ulrich Drepper <drepper@redhat.com>
* elf/tst-tls8.c (do_test): Use $ORIGIN in module names.

2
WUR-REPORT
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@ -27,7 +27,7 @@ fsetpos: likewise
<stdlib.h>:
atext: it is guaranteed that a certain number of handlers can be
atexit: it is guaranteed that a certain number of handlers can be
registered, so some calls might need not be checked
on_exit: same
random functions: one might want to discard a number of results. In any

21
stdio-common/tstdiomisc.c
View file

@ -46,15 +46,8 @@ t2 (void)
return result;
}
#if FLT_EVAL_METHOD == 2
volatile long double dbl_max = LDBL_MAX;
# define FLT_FLT_FMT "%Lf %LF"
# define FLT_FLT_WFMT L"%Lf %LF"
#else
# define dbl_max DBL_MAX
# define FLT_FLT_FMT "%f %F"
# define FLT_FLT_WFMT L"%f %F"
#endif
volatile double nanval;
static int
F (void)
@ -63,9 +56,9 @@ F (void)
wchar_t wbuf[10];
int result;
snprintf (buf, sizeof buf, FLT_FLT_FMT,
dbl_max * dbl_max - dbl_max * dbl_max,
dbl_max * dbl_max - dbl_max * dbl_max);
nanval = NAN;
snprintf (buf, sizeof buf, "%f %F", nanval, nanval);
result = strcmp (buf, "nan NAN") != 0;
printf ("expected \"nan NAN\", got \"%s\"\n", buf);
@ -73,9 +66,7 @@ F (void)
result |= strcmp (buf, "inf INF") != 0;
printf ("expected \"inf INF\", got \"%s\"\n", buf);
swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), FLT_FLT_WFMT,
dbl_max * dbl_max - dbl_max * dbl_max,
dbl_max * dbl_max - dbl_max * dbl_max);
swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), L"%f %F", nanval, nanval);
result |= wcscmp (wbuf, L"nan NAN") != 0;
printf ("expected L\"nan NAN\", got L\"%S\"\n", wbuf);