diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/e_logl.c | 2 |
3 files changed, 7 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index 17388a7927..ac4c1d4aba 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2015-10-06 Joseph Myers <joseph@codesourcery.com> + [BZ #19077] + * sysdeps/ieee754/ldbl-128ibm/e_logl.c (__ieee754_logl): Return + 0.0L for argument 1.0L. + [BZ #19076] * sysdeps/ieee754/ldbl-128ibm/s_log1pl.c (__log1pl): Divide by constant 0.0L when computing infinite result. diff --git a/NEWS b/NEWS index b93a5dc4e9..e3c0795fe5 100644 --- a/NEWS +++ b/NEWS @@ -18,7 +18,7 @@ Version 2.23 18820, 18823, 18824, 18825, 18857, 18863, 18870, 18872, 18873, 18875, 18887, 18921, 18951, 18952, 18956, 18961, 18966, 18967, 18969, 18970, 18977, 18980, 18981, 18985, 19003, 19012, 19016, 19018, 19032, 19046, - 19049, 19050, 19059, 19071, 19076. + 19049, 19050, 19059, 19071, 19076, 19077. * The obsolete header <regexp.h> has been removed. Programs that require this header must be updated to use <regex.h> instead. diff --git a/sysdeps/ieee754/ldbl-128ibm/e_logl.c b/sysdeps/ieee754/ldbl-128ibm/e_logl.c index 58d6bc6972..dcac38062c 100644 --- a/sysdeps/ieee754/ldbl-128ibm/e_logl.c +++ b/sysdeps/ieee754/ldbl-128ibm/e_logl.c @@ -219,6 +219,8 @@ __ieee754_logl(long double x) /* On this interval the table is not used due to cancellation error. */ if ((x <= 1.0078125L) && (x >= 0.9921875L)) { + if (x == 1.0L) + return 0.0L; z = x - 1.0L; k = 64; t = 1.0L; |