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948e12a238
glibc/sysdeps/i386
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Joseph Myers 948e12a238 Fix csqrt missing underflows (bug 18370). 
The csqrt implementations in glibc can miss underflow exceptions when
the real or imaginary part of the result becomes tiny in the course of
scaling down (in particular, multiplication by 0.5) and that scaling
is exact although the relevant part of the mathematical result isn't.
This patch forces the exception in a similar way to previous fixes.

Tested for x86_64 and x86.

	[BZ #18370]
	* math/s_csqrt.c (__csqrt): Force underflow exception for results
	whose real or imaginary part has small absolute value.
	* math/s_csqrtf.c (__csqrtf): Likewise.
	* math/s_csqrtl.c (__csqrtl): Likewise.
	* math/auto-libm-test-in: Add more tests of csqrt.
	* math/auto-libm-test-out: Regenerated.
	* sysdeps/i386/fpu/libm-test-ulps: Update.
2015-08-19 22:42:01 +00:00
..
fpu Fix csqrt missing underflows (bug 18370). 2015-08-19 22:42:01 +00:00
i486 Clean up BUSY_WAIT_NOP and atomic_delay. 2015-06-30 15:57:15 +02:00
i586 Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
i686 Use x86-64 cacheinfo.c and sysconf.c for x86 2015-08-19 04:27:04 -07:00
i786 Also applying directories. 1999-01-24 10:39:22 +00:00
nptl NPTL: swap comments for THREAD_SETMEM and THREAD_SETMEM_NC for i386 and x86_64 2015-03-28 00:44:22 -04:00
sys Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
____longjmp_chk.S Add sigstack handling to Linux ____longjmp_chk on i386. 2009-07-30 21:50:14 -07:00
__longjmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
abort-instr.h update from main archive 961220 1996-12-21 04:13:58 +00:00
add_n.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
addmul_1.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
asm-syntax.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
backtrace.c Fix BZ #18084 -- backtrace (..., 0) dumps core on x86. 2015-08-15 11:42:43 -07:00
bsd-_setjmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
bsd-setjmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
bzero.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
cacheinfo.c Use x86-64 cacheinfo.c and sysconf.c for x86 2015-08-19 04:27:04 -07:00
configure Preserve bound registers for pointer pass/return 2015-07-09 06:50:12 -07:00
configure.ac Preserve bound registers for pointer pass/return 2015-07-09 06:50:12 -07:00
crti.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
crtn.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-irel.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-lookupcfg.h Add ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA to x86 2015-03-31 05:16:57 -07:00
dl-machine.h Add _dl_x86_cpu_features to rtld_global 2015-08-13 03:41:22 -07:00
dl-procinfo.c Add _dl_x86_cpu_features to rtld_global 2015-08-13 03:41:22 -07:00
dl-procinfo.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-tls.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-tlsdesc.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-tlsdesc.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-trampoline.S Preserve bound registers for pointer pass/return 2015-07-09 06:50:12 -07:00
ffs.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
gccframe.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
gmp-mparam.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
htonl.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
htons.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
i386-mcount.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Implies Use x86-64 bits/byteswap.h for both i386 and x86_64 2012-05-30 14:13:18 -07:00
jmpbuf-offsets.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
jmpbuf-unwind.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
ldbl2mpn.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
ldsodefs.h Add _dl_x86_cpu_features to rtld_global 2015-08-13 03:41:22 -07:00
link-defines.sym Preserve bound registers for pointer pass/return 2015-07-09 06:50:12 -07:00
lshift.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
machine-gmon.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Makefile Use x86-64 cacheinfo.c and sysconf.c for x86 2015-08-19 04:27:04 -07:00
memchr.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memcmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memcopy.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memset.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
memusage.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
mp_clz_tab.c Update. 2002-03-14 20:48:50 +00:00
mul_1.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
preconfigure Move base_machine and machine settings from configure.ac to sysdeps preconfigure fragments. 2014-06-25 17:52:56 +00:00
rawmemchr.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
rshift.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setfpucw.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setjmp.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
stackguard-macros.h BZ #15754: CVE-2013-4788 2013-09-23 00:52:09 -04:00
stackinfo.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
start.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
stpcpy.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
stpncpy.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strchr.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strchrnul.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strcspn.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
string-inlines.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strlen.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strpbrk.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strrchr.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strspn.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
strtok_r.S Remove remaining bounded-pointers support from i386 .S files. 2013-02-21 22:21:52 +00:00
strtok.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sub_n.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
submul_1.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sysdep.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tls-macros.h i386: Fix build by GCC 5.0 2014-12-30 11:37:41 -08:00
tlsdesc.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tlsdesc.sym Introduce TLS descriptors for i386 and x86_64. 2008-05-13 05:41:30 +00:00
tst-audit3.c Add a testcase for i386 LD_AUDIT 2015-07-07 05:09:30 -07:00
tst-audit3.h Add a testcase for i386 LD_AUDIT 2015-07-07 05:09:30 -07:00
tst-audit.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
tst-auditmod3a.c Add a testcase for i386 LD_AUDIT 2015-07-07 05:09:30 -07:00
tst-auditmod3b.c Add a missing break in tst-auditmod3b.c 2015-08-09 08:06:50 -07:00
tst-stack-align.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Versions Merge sysdeps/i386/elf/Versions into sysdeps/i386/Versions. 2012-03-19 21:02:40 +01:00