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| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | math/libm-test.inc | 9 |
2 files changed, 14 insertions, 0 deletions
@@ -1,3 +1,8 @@ +2014-03-14 Adhemerval Zanella <azanella@linux.vnet.ibm.com> + + * math/libm-test.inc (trunc_test_data): Add more tests related to + BZ#16414. + 2014-03-14 Roland McGrath <roland@hack.frob.com> * nptl/pthread_create.c (__pthread_create_2_1): Test TLS_TCB_AT_TP diff --git a/math/libm-test.inc b/math/libm-test.inc index 574654e222..10e7806846 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -11283,6 +11283,15 @@ static const struct test_f_f_data trunc_test_data[] = TEST_f_f (trunc, -72057594037927936.75L, -72057594037927936.0L), TEST_f_f (trunc, -72057594037927937.5L, -72057594037927937.0L), + /* Check cases where first double is a exact integer higher than 2^52 and + the precision is determined by second long double for IBM long double. */ + TEST_f_f (trunc, 34503599627370498.515625L, 34503599627370498.0L), + TEST_f_f (trunc, -34503599627370498.515625L, -34503599627370498.0L), +# if LDBL_MANT_DIG >= 106 + TEST_f_f (trunc, 1192568192774434123539907640624.484375L, 1192568192774434123539907640624.0L), + TEST_f_f (trunc, -1192568192774434123539907640624.484375L, -1192568192774434123539907640624.0L), +# endif + TEST_f_f (trunc, 10141204801825835211973625643007.5L, 10141204801825835211973625643007.0L), TEST_f_f (trunc, 10141204801825835211973625643008.25L, 10141204801825835211973625643008.0L), TEST_f_f (trunc, 10141204801825835211973625643008.5L, 10141204801825835211973625643008.0L), |