diff options
Diffstat (limited to 'stdio-common/tstdiomisc.c')
| -rw-r--r-- | stdio-common/tstdiomisc.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/stdio-common/tstdiomisc.c b/stdio-common/tstdiomisc.c index 452a21f9cb..db038fa2b0 100644 --- a/stdio-common/tstdiomisc.c +++ b/stdio-common/tstdiomisc.c @@ -46,6 +46,9 @@ t2 (void) return result; } +volatile double nanval; + + static int F (void) { @@ -53,8 +56,9 @@ F (void) wchar_t wbuf[10]; int result; - snprintf (buf, sizeof buf, "%f %F", 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); @@ -62,9 +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]), L"%f %F", - 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); |