| Commit message (Collapse) | Author | Age | Files | Lines |
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From new tests added by 07972839108495245d8b93ca546462b3f4dad47f.
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From new tests added by 4dc22baa84bdb4111c0ac0db7139bf9ab953bf61.
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Results based on regen-ulps using gcc 11.2.1 on a POWER8 machine.
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C23 adds various <math.h> function families originally defined in TS
18661-4. Add the logp1 functions (aliases for log1p functions - the
name is intended to be more consistent with the new log2p1 and
log10p1, where clearly it would have been very confusing to name those
functions log21p and log101p). As aliases rather than new functions,
the content of this patch is somewhat different from those actually
adding new functions.
Tests are shared with log1p, so this patch *does* mechanically update
all affected libm-test-ulps files to expect the same errors for both
functions.
The vector versions of log1p on aarch64 and x86_64 are *not* updated
to have logp1 aliases (and thus there are no corresponding header,
tests, abilist or ulps changes for vector functions either). It would
be reasonable for such vector aliases and corresponding changes to
other files to be made separately. For now, the log1p tests instead
avoid testing logp1 in the vector case (a Makefile change is needed to
avoid problems with grep, used in generating the .c files for vector
function tests, matching more than one ALL_RM_TEST line in a file
testing multiple functions with the same inputs, when it assumes that
the .inc file only has a single such line).
Tested for x86_64 and x86, and with build-many-glibcs.py.
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With mathinline removal there is no need to keep building and testing
inline math tests.
The gen-libm-tests.py support to generate ULP_I_* is removed and all
libm-test-ulps files are updated to longer have the
i{float,double,ldouble} entries. The support for no-test-inline is
also removed from both gen-auto-libm-tests and the
auto-libm-test-out-* were regenerated.
Checked on x86_64-linux-gnu and i686-linux-gnu.
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* sysdeps/powerpc/nofpu/libm-test-ulps: Update.
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* sysdeps/powerpc/nofpu/libm-test-ulps: Update.
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* sysdeps/powerpc/nofpu/libm-test-ulps: Update.
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This patch obsoletes the pow10, pow10f and pow10l functions (makes
them into compat symbols, not available for new ports or static
linking). The exp10 names for these functions are standardized (in TS
18661-4) and were added in the same glibc version (2.1) as pow10 so
source code can change to use them without any loss of portability.
Since pow10 is deliberately not provided for _Float128, only exp10,
this slightly simplifies moving to the new wrapper templates in the
!LIBM_SVID_COMPAT case, by avoiding needing to arrange for pow10,
pow10f and pow10l to be defined by those templates.
Tested for x86_64, and with build-many-glibcs.py.
* manual/math.texi (pow10): Do not document.
(pow10f): Likewise.
(pow10l): Likewise.
* math/bits/mathcalls.h [__USE_GNU] (pow10): Do not declare.
* math/bits/math-finite.h [__USE_GNU] (pow10): Likewise.
* math/libm-test-exp10.inc (pow10_test): Remove.
(do_test): Do not call pow10.
* math/w_exp10_compat.c (pow10): Make into compat symbol.
[NO_LONG_DOUBLE] (pow10l): Likewise.
* math/w_exp10f_compat.c (pow10f): Likewise.
* math/w_exp10l_compat.c (pow10l): Likewise.
* sysdeps/ia64/fpu/e_exp10.S: Include <shlib-compat.h>.
(pow10): Make into compat symbol.
* sysdeps/ia64/fpu/e_exp10f.S: Include <shlib-compat.h>.
(pow10f): Make into compat symbol.
* sysdeps/ia64/fpu/e_exp10l.S: Include <shlib-compat.h>.
(pow10l): Make into compat symbol.
* sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Remove
pow10.
(CFLAGS-nldbl-pow10.c): Remove variable..
* sysdeps/ieee754/ldbl-opt/nldbl-pow10.c: Remove file.
* sysdeps/ieee754/ldbl-opt/w_exp10_compat.c (pow10l): Condition on
[SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)].
* sysdeps/ieee754/ldbl-opt/w_exp10l_compat.c (compat_symbol):
Undefine and redefine.
(pow10l): Make into compat symbol.
* sysdeps/aarch64/libm-test-ulps: Remove pow10 ulps.
* sysdeps/alpha/fpu/libm-test-ulps: Likewise.
* sysdeps/arm/libm-test-ulps: Likewise.
* sysdeps/hppa/fpu/libm-test-ulps: Likewise.
* sysdeps/i386/fpu/libm-test-ulps: Likewise.
* sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
* sysdeps/microblaze/libm-test-ulps: Likewise.
* sysdeps/mips/mips32/libm-test-ulps: Likewise.
* sysdeps/mips/mips64/libm-test-ulps: Likewise.
* sysdeps/nios2/libm-test-ulps: Likewise.
* sysdeps/powerpc/fpu/libm-test-ulps: Likewise.
* sysdeps/powerpc/nofpu/libm-test-ulps: Likewise.
* sysdeps/s390/fpu/libm-test-ulps: Likewise.
* sysdeps/sh/libm-test-ulps: Likewise.
* sysdeps/sparc/fpu/libm-test-ulps: Likewise.
* sysdeps/tile/libm-test-ulps: Likewise.
* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
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* sysdeps/arm/libm-test-ulps: Update.
* sysdeps/mips/mips32/libm-test-ulps: Likewise.
* sysdeps/mips/mips64/libm-test-ulps: Likewise.
* sysdeps/powerpc/nofpu/libm-test-ulps: Likewise.
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On running tests after from-scratch ulps regeneration, I found that
some libm tests failed with ulps in excess of those recorded in the
from-scratch regeneration, which should never happen unless those ulps
exceed the limit on ulps that can go in libm-test-ulps files.
Failure: Test: atan2_upward (inf, -inf)
Result:
is: 2.35619498e+00 0x1.2d97ccp+1
should be: 2.35619450e+00 0x1.2d97c8p+1
difference: 4.76837159e-07 0x1.000000p-21
ulp : 2.0000
max.ulp : 1.0000
Maximal error of `atan2_upward'
is : 2 ulp
accepted: 1 ulp
Failure: Test: carg_upward (-inf + inf i)
Result:
is: 2.35619498e+00 0x1.2d97ccp+1
should be: 2.35619450e+00 0x1.2d97c8p+1
difference: 4.76837159e-07 0x1.000000p-21
ulp : 2.0000
max.ulp : 1.0000
Maximal error of `carg_upward'
is : 2 ulp
accepted: 1 ulp
The problem comes from the addition of tests for the finite-math-only
versions of libm functions. Those tests share ulps with the default
function variants. make regen-ulps runs the default tests before the
finite-math-only tests, concatenating the resulting ulps before
feeding them to gen-libm-test.pl to generate a new libm-test-ulps
file. But gen-libm-test.pl always takes the last ulps value given for
any (function, type) pair. So, if the largest ulps for a function
come from non-finite inputs, a from-scratch regeneration loses those
ulps.
This patch fixes gen-libm-test.pl, in the case where there are
multiple ulps values for a (function, type) pair - which can only
happen as part of a regeneration - to take the largest ulps value
rather than the last one.
Tested for ARM / MIPS / powerpc-nofpu.
* math/gen-libm-test.pl (parse_ulps): Do not reduce
already-recorded ulps.
* sysdeps/arm/libm-test-ulps: Regenerated.
* sysdeps/mips/mips32/libm-test-ulps: Likewise.
* sysdeps/mips/mips64/libm-test-ulps: Likewise.
* sysdeps/powerpc/nofpu/libm-test-ulps: Likewise.
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* sysdeps/powerpc/nofpu/libm-test-ulps: Regenerated.
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* sysdeps/powerpc/nofpu/libm-test-ulps: Regenerated.
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This patch regenerates libm-test-ulps for powerpc-nofpu.
* sysdeps/powerpc/nofpu/libm-test-ulps: Regenerated.
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As recently discussed
<https://sourceware.org/ml/libc-alpha/2014-02/msg00670.html>, it
doesn't seem particularly useful for libm-test-ulps files to contain
huge amounts of data on ulps for individual tests; just the global
maximum observed ulps for each function, together with the
verification of exceptions, errno and special results such as
infinities and NaNs for each test, suffices to verify that a
function's behavior on the given test inputs is within the expected
accuracy. Removing this data reduces source tree churn caused by
updates to these files when libm tests are added, and reduces the
frequency with which testsuite additions actually need libm-test-ulps
changes at all.
Accordingly, this patch removes that data, so that individual tests
get checked against the global bounds for the given function and only
generate an error if those are exceeded. Tested x86_64 (including
verifying that if an ulps value is artificially reduced, the tests do
indeed fail as they should and "make regen-ulps" generates the
expected changes).
* math/libm-test.inc (struct ulp_data): Don't refer to ulps for
individual tests in comment.
(libm-test-ulps.h): Don't refer to test_ulps in #include comment.
(prev_max_error): New variable.
(prev_real_max_error): Likewise.
(prev_imag_max_error): Likewise.
(compare_ulp_data): Don't refer to test names in comment.
(find_test_ulps): Remove function.
(find_function_ulps): Likewise.
(find_complex_function_ulps): Likewise.
(init_max_error): Take function name as argument. Look up ulps
for that function.
(print_ulps): Remove function.
(print_max_error): Use prev_max_error instead of calling
find_function_ulps.
(print_complex_max_error): Use prev_real_max_error and
prev_imag_max_error instead of calling find_complex_function_ulps.
(check_float_internal): Take max_ulp parameter instead of calling
find_test_ulps. Don't call print_ulps.
(check_float): Update call to check_float_internal.
(check_complex): Update calls to check_float_internal.
(START): Pass argument to init_max_error.
* math/gen-libm-test.pl (%results): Don't include "kind"
information.
(parse_ulps): Don't handle ulps of individual tests.
(print_ulps_file): Likewise.
(output_ulps): Likewise.
* math/README.libm-test: Update.
* manual/libm-err-tab.pl (parse_ulps): Don't handle ulps of
individual tests.
* sysdeps/aarch64/libm-test-ulps: Remove individual test ulps.
* sysdeps/alpha/fpu/libm-test-ulps: Likewise.
* sysdeps/arm/libm-test-ulps: Likewise.
* sysdeps/i386/fpu/libm-test-ulps: Likewise.
* sysdeps/ia64/fpu/libm-test-ulps: Likewise.
* sysdeps/m68k/coldfire/fpu/libm-test-ulps: Likewise.
* sysdeps/m68k/m680x0/fpu/libm-test-ulps: Likewise.
* sysdeps/microblaze/libm-test-ulps: Likewise.
* sysdeps/mips/mips32/libm-test-ulps: Likewise.
* sysdeps/mips/mips64/libm-test-ulps: Likewise.
* sysdeps/powerpc/fpu/libm-test-ulps: Likewise.
* sysdeps/powerpc/nofpu/libm-test-ulps: Likewise.
* sysdeps/s390/fpu/libm-test-ulps: Likewise.
* sysdeps/sh/libm-test-ulps: Likewise.
* sysdeps/sparc/fpu/libm-test-ulps: Likewise.
* sysdeps/tile/libm-test-ulps: Likewise.
* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
* sysdeps/hppa/fpu/libm-test-ulps: Remove individual test ulps.
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2005-10-03 Roland McGrath <roland@redhat.com>
* sysdeps/powerpc/nofpu: Directory removed, saved in ports repository.
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* sysdeps/arm/libm-test-ulps: Update.
* sysdeps/hppa/fpu/libm-test-ulps: Update.
* sysdeps/ia64/fpu/libm-test-ulps: Update.
* sysdeps/mips/fpu/libm-test-ulps: Update.
* sysdeps/powerpc/nofpu/libm-test-ulps: Update.
* sysdeps/powerpc/fpu/libm-test-ulps: Update.
* sysdeps/sparc/sparc32/fpu/libm-test-ulps: Update.
* sysdeps/sparc/sparc64/fpu/libm-test-ulps: Update.
* sysdeps/sh/sh4/fpu/libm-test-ulps: Update.
* sysdeps/s390/fpu/libm-test-ulps: Update.
* sysdeps/x86_64/fpu/libm-test-ulps: Update.
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* sysdeps/alpha/elf/configure: Likewise.
* sysdeps/generic/configure: Likewise.
* sysdeps/i386/elf/configure: Likewise.
* sysdeps/ia64/elf/configure: Likewise.
* sysdeps/mach/hurd/configure: Likewise.
* sysdeps/mach/configure: Likewise.
* sysdeps/unix/configure: Likewise.
* sysdeps/unix/common/configure: Likewise.
* sysdeps/unix/sysv/aix/configure: Likewise.
* sysdeps/unix/sysv/linux/configure: Likewise.
* sysdeps/unix/sysv/linux/mips/configure: Likewise.
* sysdeps/x86_64/elf/configure: Likewise.
* config.make.in: Nix completely-soft nonsense.
* configure.in: Likewise. Under --without-fp, use nofpu subdirectory
of machine directories instead of fpu subdirectory.
* sysdeps/powerpc/soft-fp/Makefile: Remove cruft added in last change.
* sysdeps/powerpc/nofpu/Makefile: Put it in this new file instead.
* sysdeps/powerpc/soft-fp/sim-full.c: Moved to ...
* sysdeps/powerpc/nofpu/sim-full.c: ... here.
* sysdeps/powerpc/soft-fp/fraiseexcpt.c: Moved to ...
* sysdeps/powerpc/nofpu/fraiseexcpt.c: ... here.
* sysdeps/powerpc/soft-fp/fegetexcept.c: Moved to ...
* sysdeps/powerpc/nofpu/fegetexcept.c: ... here.
* sysdeps/powerpc/soft-fp/fclrexcpt.c: Moved to ...
* sysdeps/powerpc/nofpu/fclrexcpt.c: ... here.
* sysdeps/powerpc/soft-fp/ftestexcept.c: Moved to ...
* sysdeps/powerpc/nofpu/ftestexcept.c: ... here.
* sysdeps/powerpc/soft-fp/fgetexcptflg.c: Moved to ...
* sysdeps/powerpc/nofpu/fgetexcptflg.c: ... here.
* sysdeps/powerpc/soft-fp/fsetexcptflg.c: Moved to ...
* sysdeps/powerpc/nofpu/fsetexcptflg.c: ... here.
* sysdeps/powerpc/soft-fp/fedisblxcpt.c: Moved to ...
* sysdeps/powerpc/nofpu/fedisblxcpt.c: ... here.
* sysdeps/powerpc/soft-fp/feenablxcpt.c: Moved to ...
* sysdeps/powerpc/nofpu/feenablxcpt.c: ... here.
* sysdeps/powerpc/soft-fp/fegetenv.c: Moved to ...
* sysdeps/powerpc/nofpu/fegetenv.c: ... here.
* sysdeps/powerpc/soft-fp/fesetenv.c: Moved to ...
* sysdeps/powerpc/nofpu/fesetenv.c: ... here.
* sysdeps/powerpc/soft-fp/fegetround.c: Moved to ...
* sysdeps/powerpc/nofpu/fegetround.c: ... here.
* sysdeps/powerpc/soft-fp/fesetround.c: Moved to ...
* sysdeps/powerpc/nofpu/fesetround.c: ... here.
* sysdeps/powerpc/soft-fp/feupdateenv.c: Moved to ...
* sysdeps/powerpc/nofpu/feupdateenv.c: ... here.
* sysdeps/powerpc/soft-fp/feholdexcpt.c: Moved to ...
* sysdeps/powerpc/nofpu/feholdexcpt.c: ... here.
* sysdeps/powerpc/soft-fp/fenv_const.c: Moved to ...
* sysdeps/powerpc/nofpu/fenv_const.c: ... here.
* sysdeps/powerpc/soft-fp/libm-test-ulps: Moved to ...
* sysdeps/powerpc/nofpu/libm-test-ulps: ... here.
* sysdeps/powerpc/soft-fp/soft-supp.h: Moved to ...
* sysdeps/powerpc/nofpu/soft-supp.h: ... here.
* sysdeps/powerpc/soft-fp/Versions (libc: GLIBC_2.3.2): Moved to ...
* sysdeps/powerpc/nofpu/Versions: ... here, new file.
2002-10-19 Bruno Haible <bruno@clisp.org>
* sysdeps/unix/bsd/bsd4.4/freebsd/sys/sysmacros.h: New file.
2002-10-18 Roland McGrath <roland@redhat.com>
* io/Makefile (routines): Add lchmod.
* io/sys/stat.h [__USE_BSD] (lchmod): Declare it.
* sysdeps/generic/lchmod.c: New file.
* sysdeps/mach/hurd/lchmod.c: New file.
* io/Versions (libc: GLIBC_2.3.2): New set, add lchmod.
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