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2017-11-03math: add exception handling functionalitySergey Cherkashin
According to standards SVID and SYSV. Modified lgamma calling in case when 'signgam' variable should not be used. Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2016-09-26use a single libc and deduplicate threading codeWaldemar Brodkorb
Similar to musl libc a single libc has many benefits and solves some open issues with uClibc-ng. - no pthread_mutex_* weak symbols exported anymore - applications no longer failing to link when either -lrt or -lpthread are missing for dynamic and static linking mode - smaller C library - slightly better runtime performance
2016-08-27remove DOMULTI supportWaldemar Brodkorb
A single test with targeting ARM showed that this feature seems bit rotted. Remove DOMULTI and simplify Makefiles.
2016-06-23libs: install backward compatibility symlinksAlexey Brodkin
Simplify the switch from uClibc to uClibc-ng. Apps already built against uClibc-0.9.x.y require .so.0 libs to present on target which in case of current uClibc-ng is not the case and those apps could not be run. This change creates symlinks from .so.1 to .so.0 for most of other libs in the same way as it was done by 23e96d89b6ab "ldso: install backward compatibility symlink by default" Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Waldemar Brodkorb <wbx@uclibc-ng.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Anton Kolesov <akolesov@synopsys.com>
2016-02-19libm: remove dead codeWaldemar Brodkorb
_IEEE_LIBM is always defined, so the other code is never used. I don't know when it was actively used.
2016-01-30add exp10() from glibcWaldemar Brodkorb
Some software make use of exp10, so add it. Basic testing with LTP. Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2015-03-18libm: Add missing C99 float/ld wrappersBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-09-16buildsys: fix IS_IN_lib*Bernhard Reutner-Fischer
define NOT_IN_libc / IS_IN_libxxx appropriately to fix pthread_once Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2011-11-04libm: implement a generic sincos().William Pitcock
We already provide sincos() on some archs, so we should ship a generic version. Signed-off-by: William Pitcock <nenolod@dereferenced.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2011-11-04libm: implement generic cexp(), cexpf() and cexpl().William Pitcock
The cexp*() family of functions is defined by the C99 math standard as implementing exponential functions for complex types. Signed-off-by: William Pitcock <nenolod@dereferenced.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2011-05-12libm: fix building out-of-treeBernhard Reutner-Fischer
Thanks to Thierry Reding for noticing! Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2011-03-05Add Makefile support for DSBT ELF.Bernd Schmidt bernds_cb1@t-online.de
This adds support for a new binary format, DSBT ELF, to the Makefiles. Every shared library is assigned a DSBT index, and the link.so macro is adjusted to ensure the correct linker argument is passed. Configuration and ldso support will follow in separate commits. Signed-off-by: Bernd Schmidt <bernds@codesourcery.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-12-17libm_powerpc: update buildsys to use TARGET_SUBARCHCarmelo Amoroso
Update the powerpc buildsys of libm to use the TARGET_SUBARCH. Further fix the e500 Makefile.arch by adding the definition of libm_ARCH_fpu_DIR that was actually missing. Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
2010-12-17libm_sh: Move fenv functions into sh4 sub-folderCarmelo Amoroso
Indeed fenv funxtions are SH4 specific, so move them into an SH4 specific sub-folder. Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
2010-04-22nptl: proper soname handlingNatanael Copa
Since sublevel releases are not ABI compatible we need to adjust the soname to include the sublevel version. This makes it possible to install ABI incompatible versions of the library side by side so clean upgrades are possible. Signed-off-by: Natanael Copa <natanael.copa@gmail.com> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2010-03-25prettify make cleanBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2010-02-04libm: enable log2f and exp2fAurelien Jacobs
Signed-off-by: Aurelien Jacobs <aurel@gnuage.org> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2009-11-19DO_XSI_MATH: add config knobBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2009-11-14Revert "libm: fix C99_MATH on __NO_LONG_DOUBLE_MATH hosts"Bernhard Reutner-Fischer
This reverts commit 73d6e5c41b61633e22ea74e3aa2df721512dca57. barking up the wrong tree Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2009-11-14libm: fix C99_MATH on __NO_LONG_DOUBLE_MATH hostsBernhard Reutner-Fischer
alias l to their normal double counterparts. Works around problems with libgcc blindly calling __finitel on e.g. ppc32 Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2009-08-17support building out-of-treeBernhard Reutner-Fischer
Handle O= Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2009-02-17libm/Makefile.in: reformat the list of wrappersDenis Vlasenko
so that it is easier to modify, sort, etc; use __ in filenames of wrappers which wrap __functions (it may be useful to have function and file names ALWAYS match); remove names of not implemented wrappers (it was generating useless empty .o files). libm/ldouble_wrappers.c: comment out the wrapper which is not compiled anyway test/math/compile_test.c: improve this test, it was optimizing out some calls, and we don't want that. No actual code changes.
2009-02-17test/math/compile_test.c: "are long double functions even compile/link?" testDenis Vlasenko
*: fix everything which prevents above from building
2009-02-09ldouble_wrappers.c: fix __signbitl, it was calling itself by mistake.Denis Vlasenko
remove wrong casts to long double of long return values. remove lots of empty lines.
2009-02-06fix nextafterf. by Jie Zhang (jie.zhang AT analog.com)Denis Vlasenko
2009-02-05libm: add scalbf, gammaf, significandf wrappers.Denis Vlasenko
This makes in possible to enable test/math (not it compiles, but has lots of test failures).
2009-01-14libm_sh: fix libm build for shCarmelo Amoroso
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
2009-01-03libm: remove scalbln implementation, it seems to be less correct than scalbn.Denis Vlasenko
instead, either alias scalbln to scalbn if int == long on this arch, or just call scalbn form scalbln. text data bss dec hex filename - 45297 180 4 45481 b1a9 lib/libm.so + 44969 180 4 45153 b061 lib/libm.so
2008-12-29libm/*: delete many incarnations of logarithmic gamma function,Denis Vlasenko
aliasing them instead af appropriate. Also alias drem to remainder. text data bss dec hex filename - 43568 176 4 43748 aae4 lib/libm.so + 43444 176 4 43624 aa68 lib/libm.so
2008-12-28remove many functions which just call __ieee754_<function>,Denis Vlasenko
define them as aliases instead. text data bss dec hex filename - 45402 180 4 45586 b212 lib/libm-0.9.30-svn.so + 45302 180 4 45486 b1ae lib/libm-0.9.30-svn.so
2008-12-22- fix fpclassify, signbit, isfinite, isnan, isinf macros for long double ↵Bernhard Reutner-Fischer
math support - add rule to create preprocessor output for float- and long double math wrapper
2008-11-07- less verbose make cleanBernhard Reutner-Fischer
2008-10-06- implement log2()Bernhard Reutner-Fischer
2008-10-03- add long double math wrappers (Ned Ludd)Bernhard Reutner-Fischer
2008-09-26- move libm_hidden_proto to the corresponding headers. Remove from callsites.Bernhard Reutner-Fischer
Note that gamma_r is not provided by glibc, perhaps add a SUN specific knob later
2008-09-25- add some more math functions (patch from gentoo/solar)Bernhard Reutner-Fischer
2008-09-25- add __ieee754_log2()Bernhard Reutner-Fischer
2008-09-25- fix typoBernhard Reutner-Fischer
2008-09-25- remove files that are not either LGPL or Public Domain.Bernhard Reutner-Fischer
- pull replacement funcs for fpmacros.c from glibc This removes the powerpc/classic implementation which did not state any license but read: Copyright © 1991 Apple Computer, Inc. All rights reserved. and thus was dubious (and not needed).
2008-06-17- move stripping into do_ar resp compile-m for the sake of simplicityBernhard Reutner-Fischer
2008-06-04- strip the targets and not prerequisitesBernhard Reutner-Fischer
- tidy up PTHREADS_DEBUG_SUPPORT by using per-target STRIP_FLAGS for the few This fixes the spurious rebuilds bernd and vda were seeing with libpthreads.
2008-06-01A slight improvement over my previous commit which ensured we always rebuildBernd Schmidt
libc when one of the source files changes. Since there are more places which want to depend on $(libc), fix them all to use a new variable $(libc.depend), which contains the filename for which we have a rule.
2008-01-17- use libm_DIR and libm_OUTBernhard Reutner-Fischer
2007-12-08import trunc()/truncf() for ISO C requirements, otherwise fortran can hit ↵Mike Frysinger
infinite loops when it generates builtins+trunc() substitutes
2007-04-12remove __* symbols and enable llrintf()Mike Frysinger
2007-04-03import llrint() from glibcMike Frysinger
2007-04-02implement cargMike Frysinger
2007-03-31From Steve Papacharalambous:Joakim Tjernlund
Add math support for PowerPC e500.
2007-03-19#1273 if EXTRAVERSION is set, make sure we respect itMike Frysinger
2006-09-23grab s_lrint from glibc for C99Mike Frysinger
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