aboutsummaryrefslogtreecommitdiff
path: root/math/Makefile
diff options
context:
space:
mode:
authorStefan Liebler <stli@linux.vnet.ibm.com>2015-04-13 21:16:56 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2015-04-13 21:19:27 +0200
commitde8aadd52c97f9a04d5e8709b16dc5baf9292a09 (patch)
treeb175bb57f828c47ece2f9a259efefa9a39cbc1b6 /math/Makefile
parent7378b1f8f8ef25017d36af60e2d6a42939d74526 (diff)
downloadglibc-de8aadd52c97f9a04d5e8709b16dc5baf9292a09.tar
glibc-de8aadd52c97f9a04d5e8709b16dc5baf9292a09.tar.gz
glibc-de8aadd52c97f9a04d5e8709b16dc5baf9292a09.tar.bz2
glibc-de8aadd52c97f9a04d5e8709b16dc5baf9292a09.zip
Set errno for log1p on pole/domain error.
According to bug 6792, errno is not set to ERANGE/EDOM by calling log1p/log1pf/log1pl with x = -1 or x < -1. This patch adds a wrapper which sets errno in those cases and returns the value of the existing __log1p function. The log1p is now an alias to the wrapper function instead of __log1p. The files in sysdeps are reflecting these changes. The ia64 implementation sets errno by itself, thus the wrapper-file is empty. The libm-test is adjusted for log1p-tests to check errno. [BZ #6792] * math/w_log1p.c: New file. * math/w_log1pf.c: Likewise. * math/w_log1pl.c: Likewise. * math/Makefile (libm-calls): Add w_log1p. * math/s_log1pl.c (log1pl): Remove weak_alias. * sysdeps/i386/fpu/s_log1p.S (log1p): Likewise. * sysdeps/i386/fpu/s_log1pf.S (log1pf): Likewise. * sysdeps/i386/fpu/s_log1pl.S (log1pl): Likewise. * sysdeps/x86_64/fpu/s_log1pl.S (log1pl): Likewise. * sysdeps/ieee754/dbl-64/s_log1p.c (log1p): Likewise. [NO_LONG_DOUBLE] (log1pl): Likewise. * sysdeps/ieee754/flt-32/s_log1pf.c (log1pf): Likewise. * sysdeps/ieee754/ldbl-128/s_log1pl.c (log1pl): Likewise. * sysdeps/ieee754/ldbl-64-128/s_log1pl.c (log1p): Remove long_double_symbol. * sysdeps/ieee754/ldbl-128ibm/s_log1pl.c (log1pl): Likewise. * sysdeps/ieee754/ldbl-64-128/w_log1pl.c: New file. * sysdeps/ieee754/ldbl-128ibm/w_log1pl.c: Likewise. * sysdeps/m68k/m680x0/fpu/s_log1p.c: Define empty weak_alias to remove weak_alias for corresponding log1p function. * sysdeps/m68k/m680x0/fpu/s_log1pf.c: Likewise. * sysdeps/m68k/m680x0/fpu/s_log1pl.c: Likewise. * sysdeps/ia64/fpu/w_log1p.c: New file. * sysdeps/ia64/fpu/w_log1pf.c: Likewise. * sysdeps/ia64/fpu/w_log1pl.c: Likewise. * math/libm-test.inc (log1p_test_data): Add errno expectations.
Diffstat (limited to 'math/Makefile')
-rw-r--r--math/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/math/Makefile b/math/Makefile
index 3904e41a3c..1537b5a6c4 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -47,7 +47,7 @@ libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod \
e_ilogb \
k_cos k_rem_pio2 k_sin k_tan s_asinh s_atan s_cbrt \
s_ceil s_cos s_erf s_expm1 s_fabs \
- s_floor s_log1p s_logb \
+ s_floor s_log1p w_log1p s_logb \
s_nextafter s_nexttoward s_rint s_scalbln w_scalbln \
s_significand s_sin s_tan s_tanh w_acos w_acosh w_asin \
w_atan2 w_atanh w_cosh w_drem w_exp w_exp2 w_exp10 w_fmod \