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author | Eric Blake <ebb9@byu.net> | 2008-03-31 20:56:25 -0600 |
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committer | Eric Blake <ebb9@byu.net> | 2008-03-31 21:06:57 -0600 |
commit | 06945b7c073c0872ec2049c0e0b94f789bf8d77e (patch) | |
tree | 6f724a69d7601b1df626fba02e974a3455c68abd /tests/test-sprintf-posix.h | |
parent | 4dd6fc750dfb7f21b2b764737c0656694281ed19 (diff) | |
download | gnulib-06945b7c073c0872ec2049c0e0b94f789bf8d77e.tar.gz |
Guarantee a definition of NAN.
* lib/math.in.h (NAN): Define if missing.
* tests/test-math.c (main): Test it.
* doc/posix-headers/math.texi (math.h): Document this.
* lib/isnan.c (rpl_isnand): Use it.
* tests/test-ceilf1.c (NaN): Delete, and use NAN instead.
* tests/test-floorf1.c (NaN): Likewise.
* tests/test-frexp.c (NaN): Likewise.
* tests/test-isnand.c (NaN): Likewise.
* tests/test-isnanf.c (NaN): Likewise.
* tests/test-round1.c (NaN): Likewise.
* tests/test-roundf1.c (NaN): Likewise.
* tests/test-snprintf-posix.h (NaN): Likewise.
* tests/test-sprintf-posix.h (NaN): Likewise.
* tests/test-trunc1.c (NaN): Likewise.
* tests/test-truncf1.c (NaN): Likewise.
* tests/test-vasnprintf-posix.c (NaN): Likewise.
* tests/test-vasprintf-posix.c (NaN): Likewise.
* modules/isnand-nolibm (Depends-on): Add math.
* modules/isnanf-nolibm (Depends-on): Likewise.
* modules/isnanl (Depends-on): Likewise.
* modules/isnanl-nolibm (Depends-on): Likewise.
* modules/snprintf-posix-tests (Depends-on): Likewise.
* modules/sprintf-posix-tests (Depends-on): Likewise.
* modules/vsnprintf-posix-tests (Depends-on): Likewise.
* modules/vsprintf-posix-tests (Depends-on): Likewise.
* modules/vasnprintf-posix-tests (Depends-on): Likewise.
* modules/vasprintf-posix-tests (Depends-on): Likewise.
Signed-off-by: Eric Blake <ebb9@byu.net>
Diffstat (limited to 'tests/test-sprintf-posix.h')
-rw-r--r-- | tests/test-sprintf-posix.h | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/tests/test-sprintf-posix.h b/tests/test-sprintf-posix.h index 35e9d47bcc..ac2afcf91b 100644 --- a/tests/test-sprintf-posix.h +++ b/tests/test-sprintf-posix.h @@ -16,17 +16,7 @@ /* Written by Bruno Haible <bruno@clisp.org>, 2007. */ -/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */ -#ifdef __DECC -static double -NaN () -{ - static double zero = 0.0; - return zero / zero; -} -#else -# define NaN() (0.0 / 0.0) -#endif +#include <math.h> /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */ static int @@ -193,7 +183,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%a %d", NaN (), 33, 44, 55); + my_sprintf (result, "%a %d", NAN, 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -390,7 +380,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%050a %d", NaN (), 33, 44, 55); + my_sprintf (result, "%050a %d", NAN, 33, 44, 55); /* "0000000nan 33" is not a valid result; see <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */ ASSERT (strlen (result) == 50 + 3 @@ -904,7 +894,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%f %d", NaN (), 33, 44, 55); + my_sprintf (result, "%f %d", NAN, 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -979,7 +969,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%050f %d", NaN (), 33, 44, 55); + my_sprintf (result, "%050f %d", NAN, 33, 44, 55); ASSERT (strlen (result) == 50 + 3 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -1388,7 +1378,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%F %d", NaN (), 33, 44, 55); + my_sprintf (result, "%F %d", NAN, 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 1) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -1682,7 +1672,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%e %d", NaN (), 33, 44, 55); + my_sprintf (result, "%e %d", NAN, 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -1773,7 +1763,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%050e %d", NaN (), 33, 44, 55); + my_sprintf (result, "%050e %d", NAN, 33, 44, 55); ASSERT (strlen (result) == 50 + 3 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -2290,7 +2280,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%g %d", NaN (), 33, 44, 55); + my_sprintf (result, "%g %d", NAN, 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -2374,7 +2364,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%050g %d", NaN (), 33, 44, 55); + my_sprintf (result, "%050g %d", NAN, 33, 44, 55); ASSERT (strlen (result) == 50 + 3 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); |