glibc/math
Arjun Shankar 29955b5d96 Modify several tests to use test-skeleton.c
This patch modifies several test cases to use test-skeleton.c.
It was generated by a bash script written for this purpose and
thus excludes several other tests which I deemed worth a visual
inspection before making the change.

I intend to follow up with individual patches to the tests
skipped by the script.

The script itself resides at http://git.io/WODAmg and should
reproduce this very patch when run against master.

ChangeLog:

2014-10-30  Arjun Shankar  <arjun.is@lostca.se>

	* catgets/test-gencat.c: Use test-skeleton.c.
	* catgets/tst-catgets.c: Likewise.
	* csu/tst-empty.c: Likewise.
	* elf/tst-audit2.c: Likewise.
	* elf/tst-global1.c: Likewise.
	* elf/tst-pathopt.c: Likewise.
	* elf/tst-piemod1.c: Likewise.
	* elf/tst-tls10.c: Likewise.
	* elf/tst-tls11.c: Likewise.
	* elf/tst-tls12.c: Likewise.
	* gnulib/tst-gcc.c: Likewise.
	* iconvdata/tst-e2big.c: Likewise.
	* iconvdata/tst-loading.c: Likewise.
	* iconv/tst-iconv1.c: Likewise.
	* iconv/tst-iconv2.c: Likewise.
	* inet/test-inet6_opt.c: Likewise.
	* inet/tst-gethnm.c: Likewise.
	* inet/tst-network.c: Likewise.
	* inet/tst-ntoa.c: Likewise.
	* intl/tst-codeset.c: Likewise.
	* intl/tst-gettext2.c: Likewise.
	* intl/tst-gettext3.c: Likewise.
	* intl/tst-ngettext.c: Likewise.
	* intl/tst-translit.c: Likewise.
	* io/test-stat.c: Likewise.
	* libio/test-fmemopen.c: Likewise.
	* libio/tst-freopen.c: Likewise.
	* libio/tst-sscanf.c: Likewise.
	* libio/tst-ungetwc1.c: Likewise.
	* libio/tst-ungetwc2.c: Likewise.
	* libio/tst-widetext.c: Likewise.
	* localedata/tst-ctype.c: Likewise.
	* localedata/tst-digits.c: Likewise.
	* localedata/tst-leaks.c: Likewise.
	* localedata/tst-mbswcs1.c: Likewise.
	* localedata/tst-mbswcs2.c: Likewise.
	* localedata/tst-mbswcs3.c: Likewise.
	* localedata/tst-mbswcs4.c: Likewise.
	* localedata/tst-mbswcs5.c: Likewise.
	* localedata/tst-setlocale.c: Likewise.
	* localedata/tst-trans.c: Likewise.
	* localedata/tst-wctype.c: Likewise.
	* localedata/tst-xlocale1.c: Likewise.
	* login/tst-grantpt.c: Likewise.
	* malloc/tst-calloc.c: Likewise.
	* malloc/tst-malloc.c: Likewise.
	* malloc/tst-mallocstate.c: Likewise.
	* malloc/tst-mcheck.c: Likewise.
	* malloc/tst-mtrace.c: Likewise.
	* malloc/tst-obstack.c: Likewise.
	* math/atest-exp2.c: Likewise.
	* math/atest-exp.c: Likewise.
	* math/atest-sincos.c: Likewise.
	* math/test-matherr.c: Likewise.
	* math/test-misc.c: Likewise.
	* math/test-powl.c: Likewise.
	* math/tst-definitions.c: Likewise.
	* misc/tst-dirname.c: Likewise.
	* misc/tst-efgcvt.c: Likewise.
	* misc/tst-fdset.c: Likewise.
	* misc/tst-hsearch.c: Likewise.
	* misc/tst-mntent2.c: Likewise.
	* nptl/tst-sem7.c: Likewise.
	* nptl/tst-sem8.c: Likewise.
	* nptl/tst-sem9.c: Likewise.
	* nss/test-netdb.c: Likewise.
	* posix/tst-fnmatch.c: Likewise.
	* posix/tst-getlogin.c: Likewise.
	* posix/tst-gnuglob.c: Likewise.
	* posix/tst-mmap.c: Likewise.
	* pwd/tst-getpw.c: Likewise.
	* resolv/tst-inet_ntop.c: Likewise.
	* rt/tst-timer.c: Likewise.
	* stdio-common/test-fseek.c: Likewise.
	* stdio-common/test-popen.c: Likewise.
	* stdio-common/test-vfprintf.c: Likewise.
	* stdio-common/tst-cookie.c: Likewise.
	* stdio-common/tst-fileno.c: Likewise.
	* stdio-common/tst-gets.c: Likewise.
	* stdio-common/tst-obprintf.c: Likewise.
	* stdio-common/tst-perror.c: Likewise.
	* stdio-common/tst-sprintf2.c: Likewise.
	* stdio-common/tst-sprintf3.c: Likewise.
	* stdio-common/tst-sprintf.c: Likewise.
	* stdio-common/tst-swprintf.c: Likewise.
	* stdio-common/tst-tmpnam.c: Likewise.
	* stdio-common/tst-unbputc.c: Likewise.
	* stdio-common/tst-wc-printf.c: Likewise.
	* stdlib/tst-environ.c: Likewise.
	* stdlib/tst-fmtmsg.c: Likewise.
	* stdlib/tst-limits.c: Likewise.
	* stdlib/tst-rand48-2.c: Likewise.
	* stdlib/tst-rand48.c: Likewise.
	* stdlib/tst-random2.c: Likewise.
	* stdlib/tst-random.c: Likewise.
	* stdlib/tst-strtol.c: Likewise.
	* stdlib/tst-strtoll.c: Likewise.
	* stdlib/tst-tls-atexit.c: Likewise.
	* stdlib/tst-xpg-basename.c: Likewise.
	* string/test-ffs.c: Likewise.
	* string/tst-bswap.c: Likewise.
	* string/tst-inlcall.c: Likewise.
	* string/tst-strtok.c: Likewise.
	* string/tst-strxfrm.c: Likewise.
	* sysdeps/x86_64/tst-audit10.c: Likewise.
	* sysdeps/x86_64/tst-audit3.c: Likewise.
	* sysdeps/x86_64/tst-audit4.c: Likewise.
	* sysdeps/x86_64/tst-audit5.c: Likewise.
	* time/tst-ftime_l.c: Likewise.
	* time/tst-getdate.c: Likewise.
	* time/tst-mktime3.c: Likewise.
	* time/tst-mktime.c: Likewise.
	* time/tst-posixtz.c: Likewise.
	* time/tst-strptime2.c: Likewise.
	* time/tst-strptime3.c: Likewise.
	* wcsmbs/tst-btowc.c: Likewise.
	* wcsmbs/tst-mbrtowc.c: Likewise.
	* wcsmbs/tst-mbsrtowcs.c: Likewise.
	* wcsmbs/tst-wchar-h.c: Likewise.
	* wcsmbs/tst-wcpncpy.c: Likewise.
	* wcsmbs/tst-wcrtomb.c: Likewise.
	* wcsmbs/tst-wcsnlen.c: Likewise.
	* wcsmbs/tst-wcstof.c: Likewise.
2014-11-05 15:24:08 +05:30
..
bits Revert to defining __extern_inline only for gcc-4.3+ (BZ #17266) 2014-09-16 14:08:48 +05:30
machine
atest-exp2.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
atest-exp.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
atest-sincos.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
auto-libm-test-in Fix exp10 spurious underflows (bug 16560). 2014-06-25 11:33:22 +00:00
auto-libm-test-out Fix exp10 spurious underflows (bug 16560). 2014-06-25 11:33:22 +00:00
basic-test.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
bug-nextafter.c Make more libm tests condition exceptions tests with math-tests.h. 2013-06-12 12:41:25 +00:00
bug-nexttoward.c Make more libm tests condition exceptions tests with math-tests.h. 2013-06-12 12:41:25 +00:00
bug-tgmath1.c
cabs.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
cabsf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
cabsl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
carg.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
cargf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
cargl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
cimag.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
cimagf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
cimagl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
complex.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
conj.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
conjf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
conjl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
creal.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
crealf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
creall.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
divtc3.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
e_acoshl.c
e_acosl.c
e_asinl.c
e_atan2l.c
e_atanhl.c
e_coshl.c
e_exp2l.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
e_exp10.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
e_exp10f.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
e_exp10l.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
e_expl.c
e_fmodl.c
e_gammal_r.c
e_hypotl.c
e_j0l.c
e_j1l.c
e_jnl.c
e_lgammal_r.c
e_log2l.c
e_log10l.c
e_logl.c
e_powl.c
e_rem_pio2l.c
e_scalb.c Fix scalb spurious "invalid" exceptions (bug 16770). 2014-03-29 17:22:14 +00:00
e_scalbf.c Fix scalb spurious "invalid" exceptions (bug 16770). 2014-03-29 17:22:14 +00:00
e_scalbl.c Fix scalb spurious "invalid" exceptions (bug 16770). 2014-03-29 17:22:14 +00:00
e_sinhl.c
e_sqrtl.c
fclrexcpt.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fedisblxcpt.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
feenablxcpt.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fegetenv.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fegetexcept.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fegetround.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
feholdexcpt.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fenv.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fesetenv.c Fix fallback fesetenv and feupdateenv on FE_NOMASK_ENV (bug 17088). 2014-07-17 17:56:43 +00:00
fesetround.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
feupdateenv.c Fix fallback fesetenv and feupdateenv on FE_NOMASK_ENV (bug 17088). 2014-07-17 17:56:43 +00:00
fgetexcptflg.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fpu_control.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fraiseexcpt.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
fsetexcptflg.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
ftestexcept.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
gen-auto-libm-tests.c Test cpow in all rounding modes. 2014-06-23 20:15:14 +00:00
gen-libm-test.pl Test cpow in all rounding modes. 2014-06-23 20:15:14 +00:00
ieee-math.c
k_casinh.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
k_casinhf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
k_casinhl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
k_cosl.c
k_rem_pio2l.c
k_sincosl.c
k_sinl.c
k_tanl.c
libm-test.inc Fix yn overflow handling in non-default rounding modes (bug 16561, bug 16562). 2014-06-27 14:52:13 +00:00
Makefile [BZ #6803] Set errno for scalbln, scalbn 2014-06-20 07:48:20 +05:30
math.h stdlib/tst-strtod-round.c: Fix build on ARM 2014-09-30 15:03:50 +01:00
multc3.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
README.libm-test Don't include individual test ulps in libm-test-ulps. 2014-03-05 15:02:38 +00:00
s_asinhl.c
s_atanl.c
s_cacos.c Fix cacos (+Inf + finite*i) in round-downward mode (bug 16928). 2014-05-14 12:37:24 +00:00
s_cacosf.c Fix cacos (+Inf + finite*i) in round-downward mode (bug 16928). 2014-05-14 12:37:24 +00:00
s_cacosh.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_cacoshf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_cacoshl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_cacosl.c Fix cacos (+Inf + finite*i) in round-downward mode (bug 16928). 2014-05-14 12:37:24 +00:00
s_casin.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_casinf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_casinh.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_casinhf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_casinhl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_casinl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_catan.c Fix catan, catanh, __ieee754_logf in round-downward mode (bug 16799, bug 16800). 2014-04-02 17:41:02 +00:00
s_catanf.c Fix catan, catanh, __ieee754_logf in round-downward mode (bug 16799, bug 16800). 2014-04-02 17:41:02 +00:00
s_catanh.c Fix catan, catanh, __ieee754_logf in round-downward mode (bug 16799, bug 16800). 2014-04-02 17:41:02 +00:00
s_catanhf.c Fix catan, catanh, __ieee754_logf in round-downward mode (bug 16799, bug 16800). 2014-04-02 17:41:02 +00:00
s_catanhl.c Fix catan, catanh, __ieee754_logf in round-downward mode (bug 16799, bug 16800). 2014-04-02 17:41:02 +00:00
s_catanl.c Fix catan, catanh, __ieee754_logf in round-downward mode (bug 16799, bug 16800). 2014-04-02 17:41:02 +00:00
s_cbrtl.c
s_ccos.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_ccosf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_ccosh.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_ccoshf.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_ccoshl.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_ccosl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_cexp.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_cexpf.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_cexpl.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_clog10.c Fix clog / clog10 sign of zero result in round-downward mode (bug 16789). 2014-04-02 13:10:19 +00:00
s_clog10f.c Fix clog / clog10 sign of zero result in round-downward mode (bug 16789). 2014-04-02 13:10:19 +00:00
s_clog10l.c Fix clog / clog10 sign of zero result in round-downward mode (bug 16789). 2014-04-02 13:10:19 +00:00
s_clog.c Fix clog / clog10 sign of zero result in round-downward mode (bug 16789). 2014-04-02 13:10:19 +00:00
s_clogf.c Fix clog / clog10 sign of zero result in round-downward mode (bug 16789). 2014-04-02 13:10:19 +00:00
s_clogl.c Fix clog / clog10 sign of zero result in round-downward mode (bug 16789). 2014-04-02 13:10:19 +00:00
s_cpow.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_cpowf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_cpowl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_cproj.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_cprojf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_cprojl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_csin.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_csinf.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_csinh.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_csinhf.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_csinhl.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_csinl.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_csqrt.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_csqrtf.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_csqrtl.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_ctan.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_ctanf.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_ctanh.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_ctanhf.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_ctanhl.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_ctanl.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
s_erfl.c
s_expm1l.c
s_fdim.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_fdimf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_fdiml.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_fma.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_fmaf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_fmal.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_fmax.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_fmaxf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_fmaxl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_fmin.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_fminf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_fminl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_ldexp.c
s_ldexpf.c Don't use INTDEF with __ldexpf (bug 14132). 2014-10-21 23:11:49 +00:00
s_ldexpl.c
s_log1pl.c
s_nan.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_nanf.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_nanl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s_nextafter.c Fix nextafter overflow in non-default rounding modes (bug 16677). 2014-03-11 22:24:00 +00:00
s_nexttowardf.c
s_nexttowardl.c
s_significand.c
s_significandf.c
s_significandl.c
s_tanhl.c
setfpucw.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
t_sincosl.c
test-double.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-fenv-preserve.c math: make test-fenv-preserve.c a no-op if FE_ALL_EXCEPT == 0. 2014-04-11 15:13:42 -04:00
test-fenv-return.c Add FE_NOMASK_ENV return value test. 2014-06-10 15:50:25 +01:00
test-fenv-tls.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-fenv.c Add fenv test support for targets which don't have FP traps. 2014-04-17 09:39:27 +01:00
test-float.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-fpucw-ieee-static.c Fix static-binary lazy FPU context allocation 2013-09-09 22:36:57 +01:00
test-fpucw-ieee.c Fix math/test-fpucw-*.c for sysdeps test-fpucw.c overrides. 2014-01-16 05:30:52 +00:00
test-fpucw-static.c Fix math/test-fpucw-*.c for sysdeps test-fpucw.c overrides. 2014-01-16 05:30:52 +00:00
test-fpucw.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-idouble.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-ifloat.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-ildoubl.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-ldouble.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-matherr.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
test-misc.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
test-powl.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
test-snan.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-tgmath2.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-tgmath-int.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-tgmath-ret.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
test-tgmath.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
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README for libm-test math test suite
====================================

The libm-test math test suite tests a number of function points of
math functions in the GNU C library.  The following sections contain a
brief overview.  Please note that the test drivers and the Perl script
"gen-libm-test.pl" have some options.  A full list of options is
available with --help (for the test drivers) and -h for
"gen-libm-test.pl".


What is tested?
===============
The tests just evaluate the functions at specified points and compare
the results with precomputed values and the requirements of the ISO
C99 standard.

Besides testing the special values mandated by IEEE 754 (infinities,
NaNs and minus zero), some more or less random values are tested.

Files that are part of libm-test
================================

The main file is "libm-test.inc".  It is platform and floating point
format independent.  The file must be preprocessed by the Perl script
"gen-libm-test.pl".  The results are "libm-test.c" and a file
"libm-test-ulps.h" with platform specific deltas.

The test drivers test-double.c, test-float.c, test-ldouble.c test the
normal double, float and long double implementation of libm.  The test
drivers with an i in it (test-idouble.c, test-ifloat.c,
test-ildoubl.c) test the corresponding inline functions (where
available - otherwise they also test the real functions in libm).

"gen-libm-test.pl" needs a platform specific files with ULPs (Units of
Last Precision).  The file is called "libm-test-ulps" and lives in
platform specific sysdep directory.

How can I generate "libm-test-ulps"?
====================================

To automatically generate a new "libm-test-ulps" run "make regen-ulps".
This generates the file "math/NewUlps" in the build directory.  The file
contains the sorted results of all the tests.  You can use the "NewUlps"
file as the machine's updated "libm-test-ulps" file.  Copy "NewUlps" to
"libm-test-ulps" in the appropriate machine sysdep directory.  Verify
the changes, post your patch, and check it in after review.

To manually generate a new "libm-test-ulps" file, first remove "ULPs"
file in the current directory, then you can execute for example:
    ./testrun.sh math/test-double -u --ignore-max-ulp=yes
This generates a file "ULPs" with all double ULPs in it, ignoring any
previously calculated ULPs, and running with the newly built dynamic
loader and math library (assumes you didn't install your build).  Now
generate the ULPs for all other formats, the tests will be appending the
data to the "ULPs" file.  As final step run "gen-libm-test.pl" with the
file as input and ask to generate a pretty printed output in the file
"NewUlps":
  gen-libm-test.pl -u ULPs -n
Copy "NewUlps" to "libm-test-ulps" in the appropriate machine sysdep
directory.

Note that the test drivers have an option "-u" to output an unsorted
list of all epsilons that the functions have.  The output can be read
in directly but it's better to pretty print it first.
"gen-libm-test.pl" has an option to generate a pretty-printed and
sorted new ULPs file from the output of the test drivers.

Contents of libm-test-ulps
==========================

Since libm-test-ulps can be generated automatically, just a few notes.
The file contains lines for maximal errors of single functions, like:

Function "yn":
idouble: 6

The keywords are float, ifloat, double, idouble, ldouble and ildouble
(the prefix i stands for inline).

Adding tests to libm-test.inc
=============================

The tests are evaluated by a set of special test macros.  The macros
start with "TEST_" followed by a specification the input values, an
underscore and a specification of the output values.  As an example,
the test macro for a function with input of type FLOAT (FLOAT is
either float, double, long double) and output of type FLOAT is
"TEST_f_f".  The macro's parameter are the name of the function, the
input parameter, output parameter and optionally one exception
parameter.

The accepted parameter types are:
- "f" for FLOAT
- "b" for boolean - just tests if the output parameter evaluates to 0
  or 1 (only for output).
- "c" for complex.  This parameter needs two values, first the real,
  then the imaginary part.
- "i" for int.
- "l" for long int.
- "L" for long long int.
- "F" for the address of a FLOAT (only as input parameter)
- "I" for the address of an int (only as input parameter)