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| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-03-22 12:39:10 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-03-22 12:39:10 -0300 |
| commit | e42a38dd9dd4bbeb0fbd6e99f35d796ba37b6879 (patch) | |
| tree | 6d86cd75766421301163df58b8dd3284acb441ad /math | |
| parent | 2e0fb52187504fad6657c9462ce650a540d5e387 (diff) | |
| download | glibc-e42a38dd9dd4bbeb0fbd6e99f35d796ba37b6879.zip glibc-e42a38dd9dd4bbeb0fbd6e99f35d796ba37b6879.tar.gz glibc-e42a38dd9dd4bbeb0fbd6e99f35d796ba37b6879.tar.bz2 | |
BZ#13889: expl (709.75) wrongly overflows for ldbl-128ibm
The patch increase the high value to check if expl overflows. Current
high mark value is not really correct, the algorithm accepts high values.
It also adds a correct wrapper function to check for overflow and underflow.
Diffstat (limited to 'math')
| -rw-r--r-- | math/libm-test.inc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/math/libm-test.inc b/math/libm-test.inc index 1b70c35..85ae23f 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -4564,6 +4564,9 @@ exp_test (void) TEST_f_f (exp, 0.75L, 2.11700001661267466854536981983709561L); TEST_f_f (exp, 50.0L, 5184705528587072464087.45332293348538L); TEST_f_f (exp, 88.72269439697265625L, 3.40233126623160774937554134772290447915e38L); +#ifndef TEST_FLOAT + TEST_f_f (exp, 709.75L, 1.739836873264160557698252711673830393864768e+308L); +#endif #if defined TEST_LDOUBLE && __LDBL_MAX_EXP__ > 1024 /* The result can only be represented in sane long double. */ TEST_f_f (exp, 1000.0L, 0.197007111401704699388887935224332313e435L); |