diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | math/libm-test.inc | 11 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_roundl.c | 2 |
4 files changed, 21 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 4b58951ab4..35106b5235 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2015-04-28 Joseph Myers <joseph@codesourcery.com> + + [BZ #18346] + * sysdeps/ieee754/ldbl-128/s_roundl.c (__roundl): Handle all + exponents less than 48 as cases where high part of mantissa needs + examining to determine whether argument is integral. + * math/libm-test.inc (round_test_data): Add more tests. + 2015-04-28 Mark Wielaard <mjw@redhat.com> * elf/elf.h (SHF_EXCLUDE): Use unsigned 1 for shift. diff --git a/NEWS b/NEWS index 72e15f523f..fc3911dc29 100644 --- a/NEWS +++ b/NEWS @@ -16,7 +16,7 @@ Version 2.22 17967, 17969, 17978, 17987, 17991, 17996, 17998, 17999, 18019, 18020, 18029, 18030, 18032, 18036, 18038, 18039, 18042, 18043, 18046, 18047, 18068, 18080, 18093, 18100, 18104, 18110, 18111, 18128, 18138, 18185, - 18197, 18206, 18210, 18211, 18247, 18287, 18333. + 18197, 18206, 18210, 18211, 18247, 18287, 18333, 18346. * Cache information can be queried via sysconf() function on s390 e.g. with _SC_LEVEL1_ICACHE_SIZE as argument. diff --git a/math/libm-test.inc b/math/libm-test.inc index 5d7f5a25c8..4cade14925 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -9012,6 +9012,17 @@ static const struct test_f_f_data round_test_data[] = TEST_f_f (round, 2097152.5, 2097153), TEST_f_f (round, -2097152.5, -2097153), +#ifndef TEST_FLOAT + TEST_f_f (round, 0xffffffffffff.0p0L, 0xffffffffffff.0p0L), + TEST_f_f (round, 0xffffffffffff.4p0L, 0xffffffffffff.0p0L), + TEST_f_f (round, 0xffffffffffff.8p0L, 0x1000000000000.0p0L), + TEST_f_f (round, 0xffffffffffff.cp0L, 0x1000000000000.0p0L), + TEST_f_f (round, -0xffffffffffff.0p0L, -0xffffffffffff.0p0L), + TEST_f_f (round, -0xffffffffffff.4p0L, -0xffffffffffff.0p0L), + TEST_f_f (round, -0xffffffffffff.8p0L, -0x1000000000000.0p0L), + TEST_f_f (round, -0xffffffffffff.cp0L, -0x1000000000000.0p0L), +#endif + #ifdef TEST_LDOUBLE /* The result can only be represented in long double. */ TEST_f_f (round, 4503599627370495.5L, 4503599627370496.0L), diff --git a/sysdeps/ieee754/ldbl-128/s_roundl.c b/sysdeps/ieee754/ldbl-128/s_roundl.c index 9df0092ce8..3ff6ebe7cc 100644 --- a/sysdeps/ieee754/ldbl-128/s_roundl.c +++ b/sysdeps/ieee754/ldbl-128/s_roundl.c @@ -34,7 +34,7 @@ __roundl (long double x) GET_LDOUBLE_WORDS64 (i0, i1, x); j0 = ((i0 >> 48) & 0x7fff) - 0x3fff; - if (j0 < 31) + if (j0 < 48) { if (j0 < 0) { |