From 38cbcf0a3792ea56635fe8a57965db2dbb17f55e Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 7 Jan 2006 22:04:22 +0000 Subject: * stdio-common/tstdiomisc.c (F): Use NAN to get NaN value. --- stdio-common/tstdiomisc.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) (limited to 'stdio-common') diff --git a/stdio-common/tstdiomisc.c b/stdio-common/tstdiomisc.c index e89487cb45..db038fa2b0 100644 --- a/stdio-common/tstdiomisc.c +++ b/stdio-common/tstdiomisc.c @@ -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); -- cgit v1.2.3