| Commit message (Collapse) | Author | Age | Files | Lines |
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When glibc is built with ISA level 3 or higher by default, the resulting
glibc binaries won't run on SSE or FMA4 processors. Exclude SSE, AVX and
FMA4 variants in libm multiarch when ISA level 3 or higher is enabled by
default.
When glibc is built with ISA level 2 enabled by default, only keep SSE4.1
variant.
Fixes BZ 31335.
NB: elf/tst-valgrind-smoke test fails with ISA level 4, because valgrind
doesn't support AVX512 instructions:
https://bugs.kde.org/show_bug.cgi?id=383010
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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I used these shell commands:
../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")
and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 7061 files FOO.
I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah. I don't
know why I run into these diagnostics whereas others evidently do not.
remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
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I used these shell commands:
../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")
and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master
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Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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Continuing the preparation for additional _FloatN / _FloatNx function
aliases, this patch makes x86_64 libm function implementations use
libm_alias_double to define function aliases.
Tested with the glibc testsuite for x86_64, and tested with
build-many-glibcs.py for all its x86_64 configurations that installed
stripped shared libraries are unchanged by the patch.
* sysdeps/x86_64/fpu/multiarch/s_atan.c: Include
<libm-alias-double.h>.
(atan): Define using libm_alias_double.
* sysdeps/x86_64/fpu/multiarch/s_ceil.c: Include
<libm-alias-double.h>.
(ceil): Define using libm_alias_double.
* sysdeps/x86_64/fpu/multiarch/s_floor.c: Include
<libm-alias-double.h>.
(floor): Define using libm_alias_double.
* sysdeps/x86_64/fpu/multiarch/s_fma.c: Include
<libm-alias-double.h>.
(fma): Define using libm_alias_double.
* sysdeps/x86_64/fpu/multiarch/s_nearbyint.c: Include
<libm-alias-double.h>.
(nearbyint): Define using libm_alias_double.
* sysdeps/x86_64/fpu/multiarch/s_rint.c: Include
<libm-alias-double.h>.
(rint): Define using libm_alias_double.
* sysdeps/x86_64/fpu/multiarch/s_sin.c: Include
<libm-alias-double.h>.
(sin): Define using libm_alias_double.
(cos): Likewise.
* sysdeps/x86_64/fpu/multiarch/s_tan.c: Include
<libm-alias-double.h>.
(tan): Define using libm_alias_double.
* sysdeps/x86_64/fpu/multiarch/s_trunc.c: Include
<libm-alias-double.h>.
(trunc): Define using libm_alias_double.
* sysdeps/x86_64/fpu/s_copysign.S: Include <libm-alias-double.h>.
(copysign): Define using libm_alias_double.
* sysdeps/x86_64/fpu/s_fabs.c: Include <libm-alias-double.h>.
(fabs): Define using libm_alias_double.
* sysdeps/x86_64/fpu/s_fmax.S: Include <libm-alias-double.h>.
(fmax): Define using libm_alias_double.
* sysdeps/x86_64/fpu/s_fmin.S: Include <libm-alias-double.h>.
(fmin): Define using libm_alias_double.
* sysdeps/x86_64/fpu/s_llrint.S: Include <libm-alias-double.h>.
(llrint): Define using libm_alias_double.
[!__ILP32__] (lrint): Likewise.
* sysdeps/x86_64/x32/fpu/s_lrint.S: Include <libm-alias-double.h>.
(lrint): Define using libm_alias_double.
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This patch converts the dbl-64 implementations of atan and tan into
weak aliases of __atan and __tan, in preparation for making them use
libm_alias_double. Consequent changes are made to the x86_64
multiarch versions wrapping round them (with the dbl-64 functions,
like other such functions, being made not to define their aliases at
all if __atan or __tan are defined as macros by an including file).
Tested for x86_64, and with build-many-glibcs.py.
* sysdeps/ieee754/dbl-64/s_atan.c (atan): Rename to __atan and
define as weak alias of __atan. Do not define any aliases if
[__atan].
[NO_LONG_DOUBLE] (__atanl): Define as strong alias of __atan.
[NO_LONG_DOUBLE] (atanl): Define as weak alias of __atanl.
* sysdeps/ieee754/dbl-64/s_tan.c (tan): Rename to __tan and define
as weak alias of __tan. Do not define any aliases if [__tan].
[NO_LONG_DOUBLE] (__tanl): Define as strong alias of __tan.
[NO_LONG_DOUBLE] (tanl): Define as weak alias of __tanl.
* sysdeps/x86_64/fpu/multiarch/s_atan-avx.c (atan): Rename to
__atan.
* sysdeps/x86_64/fpu/multiarch/s_atan-fma.c (atan): Likewise.
* sysdeps/x86_64/fpu/multiarch/s_atan-fma4.c (atan): Likewise.
* sysdeps/x86_64/fpu/multiarch/s_atan.c (atan): Rename to __atan
and define as weak alias of __atan.
* sysdeps/x86_64/fpu/multiarch/s_tan-avx.c (tan): Rename to
__atan.
* sysdeps/x86_64/fpu/multiarch/s_tan-fma.c (tan): Likewise.
* sysdeps/x86_64/fpu/multiarch/s_tan-fma4.c (tan): Likewise.
* sysdeps/x86_64/fpu/multiarch/s_tan.c (tan): Rename to __tan and
define as weak alias of __tan.
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This patch adds multiarch functions optimized with -mfma -mavx2 to libm.
e_pow-fma.c is compiled with $(config-cflags-nofma) due to PR 19003.
* sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines):
Add e_exp-fma, e_log-fma, e_pow-fma, s_atan-fma, e_asin-fma,
e_atan2-fma, s_sin-fma, s_tan-fma, mplog-fma, mpa-fma,
slowexp-fma, slowpow-fma, sincos32-fma, doasin-fma, dosincos-fma,
halfulp-fma, mpexp-fma, mpatan2-fma, mpatan-fma, mpsqrt-fma,
and mptan-fma.
(CFLAGS-doasin-fma.c): New.
(CFLAGS-dosincos-fma.c): Likewise.
(CFLAGS-e_asin-fma.c): Likewise.
(CFLAGS-e_atan2-fma.c): Likewise.
(CFLAGS-e_exp-fma.c): Likewise.
(CFLAGS-e_log-fma.c): Likewise.
(CFLAGS-e_pow-fma.c): Likewise.
(CFLAGS-halfulp-fma.c): Likewise.
(CFLAGS-mpa-fma.c): Likewise.
(CFLAGS-mpatan-fma.c): Likewise.
(CFLAGS-mpatan2-fma.c): Likewise.
(CFLAGS-mpexp-fma.c): Likewise.
(CFLAGS-mplog-fma.c): Likewise.
(CFLAGS-mpsqrt-fma.c): Likewise.
(CFLAGS-mptan-fma.c): Likewise.
(CFLAGS-s_atan-fma.c): Likewise.
(CFLAGS-sincos32-fma.c): Likewise.
(CFLAGS-slowexp-fma.c): Likewise.
(CFLAGS-slowpow-fma.c): Likewise.
(CFLAGS-s_sin-fma.c): Likewise.
(CFLAGS-s_tan-fma.c): Likewise.
* sysdeps/x86_64/fpu/multiarch/doasin-fma.c: New file.
* sysdeps/x86_64/fpu/multiarch/dosincos-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_asin-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_atan2-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_exp-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_log-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_pow-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/halfulp-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/ifunc-avx-fma4.h: Likewise.
* sysdeps/x86_64/fpu/multiarch/ifunc-fma4.h: Likewise.
* sysdeps/x86_64/fpu/multiarch/mpa-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/mpatan-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/mpatan2-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/mpexp-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/mplog-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/mpsqrt-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/mptan-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_atan-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_sin-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_tan-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/sincos32-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/slowexp-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/slowpow-fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_asin.c: Rewrite.
* sysdeps/x86_64/fpu/multiarch/e_atan2.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_exp.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_log.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_pow.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_atan.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_sin.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_tan.c: Likewise.
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GCC added support for -mfma4 in version 4.5. Thus the configure tests
for this support are obsolete, and this patch removes them.
Tested for x86_64 and x86 (testsuite, and that installed stripped
shared libraries are unchanged by this patch).
* sysdeps/i386/configure.ac (libc_cv_cc_fma4): Remove configure
test.
* sysdeps/i386/configure: Regenerated.
* sysdeps/x86_64/configure.ac (libc_cv_cc_fma4): Remove configure
test.
* sysdeps/x86_64/configure: Regenerated.
* sysdeps/x86_64/fpu/multiarch/Makefile [$(have-mfma4) = yes]:
Make code unconditional.
* sysdeps/x86_64/fpu/multiarch/e_asin.c [HAVE_FMA4_SUPPORT]:
Likewise.
* sysdeps/x86_64/fpu/multiarch/e_atan2.c [HAVE_FMA4_SUPPORT]:
Likewise.
[!HAVE_FMA4_SUPPORT]: Remove conditional code.
* sysdeps/x86_64/fpu/multiarch/e_exp.c [HAVE_FMA4_SUPPORT]: Make
code unconditional.
[!HAVE_FMA4_SUPPORT]: Remove conditional code.
* sysdeps/x86_64/fpu/multiarch/e_log.c [HAVE_FMA4_SUPPORT]: Make
code unconditional.
[!HAVE_FMA4_SUPPORT]: Remove conditional code.
* sysdeps/x86_64/fpu/multiarch/e_pow.c [HAVE_FMA4_SUPPORT]: Make
code unconditional.
* sysdeps/x86_64/fpu/multiarch/s_atan.c [HAVE_FMA4_SUPPORT]: Make
code unconditional.
[!HAVE_FMA4_SUPPORT]: Remove conditional code.
* sysdeps/x86_64/fpu/multiarch/s_fma.c [HAVE_FMA4_SUPPORT]: Make
code unconditional.
[!HAVE_FMA4_SUPPORT]: Remove conditional code.
* sysdeps/x86_64/fpu/multiarch/s_fmaf.c [HAVE_FMA4_SUPPORT]: Make
code unconditional.
[!HAVE_FMA4_SUPPORT]: Remove conditional code.
* sysdeps/x86_64/fpu/multiarch/s_sin.c [HAVE_FMA4_SUPPORT]: Make
code unconditional.
[!HAVE_FMA4_SUPPORT]: Remove conditional code.
* sysdeps/x86_64/fpu/multiarch/s_tan.c [HAVE_FMA4_SUPPORT]: Make
code unconditional.
[!HAVE_FMA4_SUPPORT]: Remove conditional code.
* config.h.in (HAVE_FMA4_SUPPORT): Remove #undef.
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GCC added support for -mavx and -msse2avx in version 4.4. Thus the
configure tests for this support are obsolete, and this patch removes
them.
Tested for x86_64 and x86 (testsuite, and that installed stripped
shared libraries are unchanged by this patch).
* sysdeps/i386/configure.ac (libc_cv_cc_avx): Remove configure
test.
(libc_cv_cc_sse2avx): Likewise.
* sysdeps/i386/configure: Regenerated.
* sysdeps/i386/i686/multiarch/Makefile
[$(subdir)$(config-cflags-avx) = mathyes]: Change conditional to
[$(subdir) = math].
* sysdeps/i386/i686/multiarch/s_fma-fma.c [HAVE_AVX_SUPPORT]: Make
code unconditional.
* sysdeps/i386/i686/multiarch/s_fma.c [HAVE_AVX_SUPPORT]:
Likewise.
* sysdeps/i386/i686/multiarch/s_fmaf-fma.c [HAVE_AVX_SUPPORT]:
Likewise.
* sysdeps/i386/i686/multiarch/s_fmaf.c [HAVE_AVX_SUPPORT]:
Likewise.
* sysdeps/x86_64/configure.ac (libc_cv_cc_avx): Remove configure
test.
(libc_cv_cc_sse2avx): Likewise.
* sysdeps/x86_64/configure: Regenerated.
* sysdeps/x86_64/Makefile [$(config-cflags-avx) = yes]: Make code
unconditional.
* sysdeps/x86_64/dl-trampoline.h (_dl_runtime_profile)
[HAVE_AVX_SUPPORT || HAVE_AVX512_ASM_SUPPORT]: Make code
unconditional.
(_dl_runtime_profile)
[!(HAVE_AVX_SUPPORT || HAVE_AVX512_ASM_SUPPORT)]: Remove
conditional code.
* sysdeps/x86_64/fpu/multiarch/Makefile
[$(config-cflags-sse2avx) = yes]: Make code unconditional.
* sysdeps/x86_64/fpu/multiarch/e_atan2.c
[HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_exp.c
[HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_log.c
[HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_atan.c
[HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_fma.c [HAVE_AVX_SUPPORT]:
Likewise.
* sysdeps/x86_64/fpu/multiarch/s_fmaf.c [HAVE_AVX_SUPPORT]:
Likewise.
* sysdeps/x86_64/fpu/multiarch/s_sin.c
[HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_tan.c
[HAVE_FMA4_SUPPORT || HAVE_AVX_SUPPORT]: Likewise.
* sysdeps/x86_64/multiarch/strcmp.S [HAVE_AVX_SUPPORT]: Likewise.
* config.h.in (HAVE_AVX_SUPPORT): Remove #undef.
(HAVE_SSE2AVX_SUPPORT): Likewise.
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This patch updates x86_64 multiarch functions to use the newly defined
HAS_CPU_FEATURE, HAS_ARCH_FEATURE and LOAD_RTLD_GLOBAL_RO_RDX from
<cpu-features.h>.
* sysdeps/x86_64/fpu/multiarch/e_asin.c: Replace HAS_XXX with
HAS_CPU_FEATURE/HAS_ARCH_FEATURE (XXX).
* sysdeps/x86_64/fpu/multiarch/e_atan2.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_exp.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_log.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/e_pow.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_atan.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_fma.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_fmaf.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_sin.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_tan.c: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_ceil.S: Use
LOAD_RTLD_GLOBAL_RO_RDX and HAS_CPU_FEATURE (SSE4_1).
* sysdeps/x86_64/fpu/multiarch/s_ceilf.S: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_floor.S: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_floorf.S: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_nearbyint.S : Likewise.
* sysdeps/x86_64/fpu/multiarch/s_nearbyintf.S: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_rintf.S: Likewise.
* sysdeps/x86_64/fpu/multiarch/s_rintf.S : Likewise.
* sysdeps/x86_64/multiarch/ifunc-impl-list.c: Likewise.
* sysdeps/x86_64/multiarch/sched_cpucount.c: Likewise.
* sysdeps/x86_64/multiarch/strstr.c: Likewise.
* sysdeps/x86_64/multiarch/memmove.c: Likewise.
* sysdeps/x86_64/multiarch/memmove_chk.c: Likewise.
* sysdeps/x86_64/multiarch/test-multiarch.c: Likewise.
* sysdeps/x86_64/multiarch/memcmp.S: Remove __init_cpu_features
call. Add LOAD_RTLD_GLOBAL_RO_RDX. Replace HAS_XXX with
HAS_CPU_FEATURE/HAS_ARCH_FEATURE (XXX).
* sysdeps/x86_64/multiarch/memcpy.S: Likewise.
* sysdeps/x86_64/multiarch/memcpy_chk.S: Likewise.
* sysdeps/x86_64/multiarch/mempcpy.S: Likewise.
* sysdeps/x86_64/multiarch/mempcpy_chk.S: Likewise.
* sysdeps/x86_64/multiarch/memset.S: Likewise.
* sysdeps/x86_64/multiarch/memset_chk.S: Likewise.
* sysdeps/x86_64/multiarch/strcat.S: Likewise.
* sysdeps/x86_64/multiarch/strchr.S: Likewise.
* sysdeps/x86_64/multiarch/strcmp.S: Likewise.
* sysdeps/x86_64/multiarch/strcpy.S: Likewise.
* sysdeps/x86_64/multiarch/strcspn.S: Likewise.
* sysdeps/x86_64/multiarch/strspn.S: Likewise.
* sysdeps/x86_64/multiarch/wcscpy.S: Likewise.
* sysdeps/x86_64/multiarch/wmemcmp.S: Likewise.
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There is no problem with strcmp, it doesn't use the YMM registers.
The math routines might since gcc perhaps generates such code.
Introduce bit_YMM_USBALE and use it in the math routines.
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