Mercurial > hg > octave-nkf > gnulib-hg
diff tests/test-vasnprintf-posix.c @ 8543:e1fdf02d5cdc
Work around a DEC C compiler bug.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sun, 25 Mar 2007 19:56:22 +0000 (2007-03-25) |
| parents | 81b3f885ff9d |
| children | a6f02271aae1 |
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--- a/tests/test-vasnprintf-posix.c +++ b/tests/test-vasnprintf-posix.c @@ -31,6 +31,18 @@ #define ASSERT(expr) if (!(expr)) abort (); +/* 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 + static void test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) { @@ -183,7 +195,7 @@ { /* NaN. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%a %d", 0.0 / 0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%a %d", NaN (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, "nan 33") == 0); ASSERT (length == strlen (result)); @@ -412,7 +424,7 @@ { /* FLAG_ZERO with NaN. */ size_t length; char *result = - my_asnprintf (NULL, &length, "%010a %d", 0.0 / 0.0, 33, 44, 55); + my_asnprintf (NULL, &length, "%010a %d", NaN (), 33, 44, 55); ASSERT (result != NULL); ASSERT (strcmp (result, " nan 33") == 0); ASSERT (length == strlen (result));