diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | tests/test-strtod.c | 10 | ||||
| -rw-r--r-- | tests/test-strtold.c | 10 |
3 files changed, 10 insertions, 16 deletions
@@ -1,5 +1,11 @@ 2019-01-31 Bruno Haible <bruno@clisp.org> + strtod, strtold tests: Simplify tests. + * tests/test-strtod.c (main): Assume no rounding errors for 0.5. + * tests/test-strtold.c (main): Likewise. + +2019-01-31 Bruno Haible <bruno@clisp.org> + strtod, strtold: Avoid unnecessary rounding errors. * lib/strtod.c (parse_number): Drop trailing zeroes before doing the decimal to DOUBLE conversion. diff --git a/tests/test-strtod.c b/tests/test-strtod.c index c2297b5b4f..69eb9742e0 100644 --- a/tests/test-strtod.c +++ b/tests/test-strtod.c @@ -155,10 +155,7 @@ main (void) double result; errno = 0; result = strtod (input, &ptr); - /* FIXME - gnulib's version is rather inaccurate. It would be - nice to guarantee an exact result, but for now, we settle for a - 1-ulp error. */ - ASSERT (FABS (result - 0.5) < DBL_EPSILON); + ASSERT (result == 0.5); ASSERT (ptr == input + 2); ASSERT (errno == 0); } @@ -238,10 +235,7 @@ main (void) double result; errno = 0; result = strtod (input, &ptr); - /* FIXME - gnulib's version is rather inaccurate. It would be - nice to guarantee an exact result, but for now, we settle for a - 1-ulp error. */ - ASSERT (FABS (result - 0.5) < DBL_EPSILON); + ASSERT (result == 0.5); ASSERT (ptr == input + 4); ASSERT (errno == 0); } diff --git a/tests/test-strtold.c b/tests/test-strtold.c index cd317875b9..9815e7ae2b 100644 --- a/tests/test-strtold.c +++ b/tests/test-strtold.c @@ -155,10 +155,7 @@ main (void) long double result; errno = 0; result = strtold (input, &ptr); - /* FIXME - gnulib's version is rather inaccurate. It would be - nice to guarantee an exact result, but for now, we settle for a - 1-ulp error. */ - ASSERT (FABSL (result - 0.5L) < LDBL_EPSILON); + ASSERT (result == 0.5L); ASSERT (ptr == input + 2); ASSERT (errno == 0); } @@ -238,10 +235,7 @@ main (void) long double result; errno = 0; result = strtold (input, &ptr); - /* FIXME - gnulib's version is rather inaccurate. It would be - nice to guarantee an exact result, but for now, we settle for a - 1-ulp error. */ - ASSERT (FABSL (result - 0.5L) < LDBL_EPSILON); + ASSERT (result == 0.5L); ASSERT (ptr == input + 4); ASSERT (errno == 0); } |