Commit Graph

307 Commits

Author SHA1 Message Date
Corinna Vinschen cfe8c6c504 Revert "Improve performance of sinf/cosf/sincosf"
This reverts commit fca80a9d1b.

Accidentally pushed a preliminary version
2018-06-21 09:36:39 +02:00
Jon Beniston b7d9d27b0e libm/common/s_round.c (round): Add cast for 16-bit CPUs 2018-06-21 09:31:13 +02:00
Wilco Dijkstra fca80a9d1b Improve performance of sinf/cosf/sincosf
This patch is a complete rewrite of sinf, cosf and sincosf.  The new version
is significantly faster, as well as simple and accurate.
The worst-case ULP is 0.56072, maximum relative error is 0.5303p-23 over all
4 billion inputs.  In non-nearest rounding modes the error is 1ULP.

The algorithm uses 3 main cases: small inputs which don't need argument
reduction, small inputs which need a simple range reduction and large inputs
requiring complex range reduction.  The code uses approximate integer
comparisons to quickly decide between these cases - on some targets this may
be slow, so this can be configured to use floating point comparisons.

The small range reducer uses a single reduction step to handle values up to
120.0.  It is fastest on targets which support inlined round instructions.

The large range reducer uses integer arithmetic for simplicity.  It does a
32x96 bit multiply to compute a 64-bit modulo result.  This is more than
accurate enough to handle the worst-case cancellation for values close to
an integer multiple of PI/4.  It could be further optimized, however it is
already much faster than necessary.

Simple benchmark showing speedup factor on AArch64 for various ranges:

range	0.7853982	sinf	1.7	cosf	2.2	sincosf	2.8
range	1.570796	sinf	1.9	cosf	1.9	sincosf	2.7
range	3.141593	sinf	2.0	cosf	2.0	sincosf	3.5
range	6.283185	sinf	2.3	cosf	2.3	sincosf	4.2
range	125.6637	sinf	2.9	cosf	3.0	sincosf	5.1
range	1.1259e15	sinf	26.8	cosf	26.8	sincosf	45.2

ChangeLog:
2018-06-18  Wilco Dijkstra  <wdijkstr@arm.com>

        * newlib/libm/common/Makefile.in: Regenerated.
        * newlib/libm/common/Makefile.am: Add sinf.c, cosf.c, sincosf.c
        sincosf.h, sincosf_data.c. Add -fbuiltin -fno-math-errno to CFLAGS.
        * newlib/libm/common/math_config.h: Add HAVE_FAST_ROUND, HAVE_FAST_LROUND,
        roundtoint, converttoint, force_eval_float, force_eval_double, eval_as_float,
        eval_as_double, likely, unlikely.
        * newlib/libm/common/cosf.c: New file.
        * newlib/libm/common/sinf.c: Likewise.
        * newlib/libm/common/sincosf.h: Likewise.
        * newlib/libm/common/sincosf.c: Likewise.
        * newlib/libm/common/sincosf_data.c: Likewise.
        * newlib/libm/math/sf_cos.c: Add #if to build conditionally.
        * newlib/libm/math/sf_sin.c: Likewise.
        * newlib/libm/math/wf_sincos.c: Likewise.

--
2018-06-19 09:44:28 +02:00
Matthias Kannwischer fcfea0ae2d fix llrint and lrint for 52 <= exponent <= 62 2018-05-29 15:59:48 +02:00
Jeff Johnston e928275566 Use _LDBL_EQ_DBL in nexttowardf.c
2018-05-07  Tom de Vries  <tom@codesourcery.com>

	* libm/common/nexttowardf.c: Use _LDBL_EQ_DBL instead of
	_LDBL_EQ_DOUBLE.
2018-05-07 12:22:12 -04:00
Jeff Johnston cd31fbb2ae Add nvptx port.
- From: Cesar Philippidis <cesar@codesourcery.com>
  Date: Tue, 10 Apr 2018 14:43:42 -0700
  Subject: [PATCH] nvptx port

  This port adds support for Nvidia GPU's, which are primarily used as
  offload accelerators in OpenACC and OpenMP.
2018-04-13 15:42:37 -04:00
Jeff Johnston fffd2770db Bump release to 3.0.0 for yearly snapshot
- major release required due to removal of K&R support
2018-01-18 13:07:45 -05:00
Yaakov Selkowitz 7192f84096 ansification: remove _HAVE_STDC
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2018-01-17 11:47:30 -06:00
Yaakov Selkowitz 70ee6b17df ansification: remove _EXFUN, _EXFUN_NOTHROW
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2018-01-17 11:47:29 -06:00
Yaakov Selkowitz 9087163804 ansification: remove _DEFUN
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2018-01-17 11:47:26 -06:00
Yaakov Selkowitz fff27f8429 ansification: remove _DEFUN_VOID
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2018-01-17 11:47:19 -06:00
Yaakov Selkowitz 0bda30e1ff ansification: remove _CONST
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2018-01-17 11:47:08 -06:00
Yaakov Selkowitz 6783860a2e ansification: remove _AND
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2018-01-17 11:47:05 -06:00
Jim Wilson c874f1145f newlib: Don't do double divide in powf.
* Use 0.0f instead of 0.0 in divide.
2017-12-13 11:33:19 +01:00
Jim Wilson c338bc2255 Don't call double rint from float powf.
Updated patch to use 0.0f in addition to calling rintf.

Tested same way as before, with a testcase that triggers the code and
make check.

OK?

	newlib/
	* libm/math/wf_pow.c (powf): Call rintf instead of rint.  Use 0.0f
	for compare.
2017-12-13 11:03:10 +01:00
Jon Turney c006fd459f makedoc: make errors visible
Discard QUICKREF sections, rather than writing them to stderr
Discard MATHREF sections, rather than discarding as an error
Pass NOTES sections through to texinfo, rather than discarding as an error
Don't redirect makedoc stderr to .ref file
Remove makedoc output on error
Remove .ref files from CLEANFILES
Regenerate Makefile.ins

Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
2017-12-07 11:54:11 +00:00
Yaakov Selkowitz 9f369d3c8d mathfp: remove TRAD_SYNOPSIS
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2017-12-01 03:41:54 -06:00
Yaakov Selkowitz ec4c079f4b math: remove TRAD_SYNOPSIS
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2017-12-01 03:41:53 -06:00
Yaakov Selkowitz 59822e777f libm/machine: remove TRAD_SYNOPSIS
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2017-12-01 03:41:53 -06:00
Yaakov Selkowitz ac8b60bdd1 complex: remove TRAD_SYNOPSIS
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2017-12-01 03:41:53 -06:00
Yaakov Selkowitz 3312f960a7 libm/common: remove TRAD_SYNOPSIS
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2017-12-01 03:41:53 -06:00
Szabolcs Nagy 56e494c074 fix internal __ieee754_expf and __ieee754_logf calls
The recently added new math code inlines error handling instead of using
error handling wrappers around __ieee754* internal symbols, and thus the
__ieee754* symbols are no longer provided.

However __ieee754_expf and __ieee754_logf are used in the implementation
of a number of other math functions.  These symbols are safe to redirect
to the external expf and logf symbols, because those names are always
reserved when single precision math functions are reserved and the
additional error handling code is either not reached or there will be
an error in the final result that will override an internal spurious
errno setting.

For consistency all of __ieee754_expf, __ieee754_logf and __ieee754_powf
are redirected using a macro.
2017-10-20 11:19:02 +02:00
Szabolcs Nagy c156098271 New expf, exp2f, logf, log2f and powf implementations
Based on code from https://github.com/ARM-software/optimized-routines/

This patch adds a highly optimized generic implementation of expf,
exp2f, logf, log2f and powf.  The new functions are not only
faster (6x for powf!), but are also smaller and more accurate.
In order to achieve this, the algorithm uses double precision
arithmetic for accuracy, avoids divisions and uses small table
lookups to minimize the polynomials.  Special cases are handled
inline to avoid the unnecessary overhead of wrapper functions and
set errno to POSIX requirements.

The new functions are added under newlib/libm/common, but the old
implementations are kept (in newlib/libm/math) for non-IEEE or
pre-C99 systems.  Targets can enable the new math code by defining
__OBSOLETE_MATH_DEFAULT to 0 in newlib/libc/include/machine/ieeefp.h,
users can override the default by defining __OBSOLETE_MATH.
Currently the new code is enabled for AArch64 and AArch32 with VFP.
Targets with a single precision FPU may still prefer the old
implementation.

libm.a size changes:
arm: -1692
arm/thumb/v7-a/nofp: -878
arm/thumb/v7-a+fp/hard: -864
arm/thumb/v7-a+fp/softfp: -908
aarch64: -1476
2017-10-13 10:58:00 +02:00
Brian Inglis f9b24fad7c newlib/libm/complex/cargl.c change imag() real() to cimagl() creall() 2017-09-19 15:36:12 -05:00
Kito Cheng 7040b2de08 Add RISC-V port for libm
Contributor list:
    - Michael Neilly  <mneilly@yahoo.com>
    - Kito Cheng  <kito.cheng@gmail.com>
2017-08-17 12:54:56 -04:00
Aditya Upadhyay 0e0900cb40 Importing catanl long double complex method from NetBSD. 2017-07-28 20:36:09 +02:00
Aditya Upadhyay 124ccc500e Fixing HUGE_VALF to HUGE_VALL. 2017-07-28 20:30:30 +02:00
Corinna Vinschen 181d8393ae newlib: fix file mode of newly added complex sources
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2017-06-29 15:30:35 +02:00
Corinna Vinschen 074ca98595 newlib: libm/complex/Makefile.in: regenerate 2017-06-29 13:55:10 +02:00
Aditya Upadhyay 45ae81fc91 Adding csinl.c in Makefile.am
Signed-off-by: Aditya Upadhyay <aadit0402@gmail.com>
2017-06-29 13:54:34 +02:00
Aditya Upadhyay 5bc320d3b5 Importing csinl.c from NetBSD. 2017-06-29 13:54:31 +02:00
Aditya Upadhyay 72b051888e Importing csinhl.c from NetBSD. 2017-06-29 13:44:32 +02:00
Aditya Upadhyay 0d924f0e02 Importing casinhl.c from NetBSD. 2017-06-29 13:44:32 +02:00
Aditya Upadhyay f834c77e7d Importing ctanl.c from NetBSD. 2017-06-29 13:44:32 +02:00
Aditya Upadhyay 67b376ad3f Importing ctanhl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay c907007fb0 Importing cpowl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay 716d7107e4 Importing conjl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay fdf82d6f1b Importing catanhl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay a168d244c6 Importing casinl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay ed09969078 Importing ccosl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay 28daf6d48b Importing cacosl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay eee8294c42 Adding cephes_subrl.h and cephes_subrl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay b1b12e1e00 Importing cexpl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay 4c2556e935 Importing cprojl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay 3f1f3a2299 Importing cargl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay 436bf2929c Importing csqrtl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay 79c8462d86 Importing clogl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay 934145f311 Importing cacoshl.c from NetBSD. 2017-06-29 13:44:31 +02:00
Aditya Upadhyay 35cd6863fb ccoshl: Align formatting to upstream
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2017-06-14 10:36:38 +02:00
Aditya Upadhyay ed82849b8f Importing ccoshl.c from netbsd.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2017-06-13 10:41:06 +02:00
Corinna Vinschen bdb017b30c newlib: remove __infinity{f,ld} constants
previous commit 4c90db7bc8 introduced
a compile time error because libm/common/s_infconst.c used the remove
__fmath, __dmath, and __ldmath union types.

Since this is very old, and unused for a very long time, just drop the
file and thus the __infinity constants entirely.

Exception: Cygwin exports __infinity from the beginning.  There's a very,
VERY low probability that any existing executable or lib still uses this
constant, but we just keep it in for backward compat, nevertheless.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2017-04-18 12:17:26 +02:00
Sebastian Huber ffbfb332d6 ARM: Fix IEEE-754 sqrt implementation
Older GCC (e.g. 4.9.3) seem to define __ARM_FP even in case soft-float
is used.
2017-03-22 10:01:50 +01:00
Sebastian Huber baf32fb85f ARM: Optimize IEEE-754 sqrt implementation
Use the vsqrt.f64 and vsqrt.f32 instructions if available.
2017-03-21 14:42:26 +01:00
Corinna Vinschen 5367b96a4b Fix versions in documentation (manually for now)
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2017-01-09 16:22:02 +01:00
Jeff Johnston 61f181d6b8 Bump release to 2.5.0 for yearly snapshot. 2016-12-22 21:33:54 -05:00
Thomas Preudhomme cf6e411f17 Fix pdf build failure with texinfo 6.1.0
Hi,

make pdf on Ubuntu 16.04 fail with:

newlib/libc/libc.texinfo:9: Missing @endcsname inserted.

After a lot of fiddling the reason appears to be the combination of concept
and function index despite a lack of concept index entries. Arguably texinfo
should not error in that case but here we are, newlib will fail to build its
documentation on some systems because of this. Since libc.texinfo only
contains function index entries this patch simply removes the combination of
indices. It does the same for libm.texinfo which has concept index entries but
no function index entries.

Tested by running make pdf, make dvi, make info and make html successfully.
libc.pdf appears to have only one index as expected.

== Proposed commit message ==

Fix pdf build failure with texinfo 6.1.0 as provided in Ubuntu 16.04. Index
combination in libc.texinfo and libm.texinfo fails because both file have only
one type of index entries. Removing index combination is thus harmless and
solves the problem.

Is this ok for master?

Best regards,

Thomas
2016-10-25 17:45:11 +02:00
Jon Turney d7e47a557e Regenerate newlib Makefiles 2016-07-04 17:13:55 +01:00
Jon Turney 0b4cbd2fb8 Make newlib manpages (v3)
Add makedocbook, a tool to process makedoc markup and output DocBook XML
refentries.

Process all the source files which are processed with makedoc with
makedocbook as well

Add chapter-texi2docbook, a tool to automatically generate DocBook XML
chapter files from the chapter .texi files.  For generating man pages all we
care about is the content of the refentries, so all this needs to do is
convert the @include of the makedoc generated .def files to xi:include of
the makedocbook generated .xml files.

Add skeleton Docbook XML book files, lib[cm].in.xml which include these
generated chapters, which in turn include the generated files containing
refentries, which is processed with xsltproc to generate the lib[cm].xml

Add new make targets to generate and install man pages from lib[cm].xml
2016-07-04 14:17:10 +01:00
Jon Turney f145c2e261 Revert "Make newlib manpages via DocBook XML (v3)"
This reverts commit 041ea41068.
2016-06-25 17:07:43 +01:00
Jon Turney 041ea41068 Make newlib manpages via DocBook XML (v3)
Add makedocbook, a tool to process makedoc markup and output DocBook XML
refentries.

Process all the source files which are processed with makedoc with
makedocbook as well

Add chapter-texi2docbook, a tool to automatically generate DocBook XML
chapter files from the chapter .texi files.  For generating man pages all we
care about is the content of the refentries, so all this needs to do is
convert the @include of the makedoc generated .def files to xi:include of
the makedocbook generated .xml files.

Add skeleton Docbook XML book files, lib[cm].in.xml which include these
generated chapters, which in turn include the generated files containing
refentries, which is processed with xsltproc to generate the lib[cm].xml

Add new make targets to generate and install man pages from lib[cm].xml
2016-06-25 17:04:15 +01:00
Yaakov Selkowitz 3fc46dc562 math: fix isinf/isnan on SPU after move to math.h
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2016-04-07 10:18:22 -05:00
Yaakov Selkowitz cd84d1c2d0 math: update isinf/isnan function comments after move to math.h
Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2016-04-05 08:49:44 -05:00
Jeff Johnston fbc4a0827b Bump up newlib version to 2.4.0 due to feature test refactoring 2016-03-29 17:33:42 -04:00
Corinna Vinschen 373f81d17c finitel: Use correct GCC builtin
__builtin_isinf_sign doesn't reflect the correct return value for NaN
to emulate finite function.  Use __builtin_isfinite instead whichg is available
since GCC 4.4 just as __builtin_isinf_sign.

	* libm/common/sl_finite.c (finitel): Use __builtin_isfinite.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2016-03-26 20:29:20 +01:00
Corinna Vinschen b9217601f8 Enable HW interrupt setup on x86/x86_64 systems by default
* configure.host: Define _I386MACH_DISABLE_HW_INTERRUPTS on rdos.
	Remove setting _I386MACH_ALLOW_HW_INTERRUPTS anywhere else.
	* libc/machine/i386/i386mach.h: Replace test for
	_I386MACH_ALLOW_HW_INTERRUPTS with test for
	!_I386MACH_DISABLE_HW_INTERRUPTS.
	* libc/machine/x86_64/x86_64mach.h: Ditto.
	* libc/sys/linux/machine/i386/i386mach.h: Ditto.
	* libm/machine/i386/i386mach.h: Ditto.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2016-02-26 18:52:46 +01:00
Yaakov Selkowitz a9ab09dfa9 libm/complex: add clog10, clog10f
newlib/
	* libc/include/complex.h (clog10, clog10f): Declare.
	* libm/complex/Makefile.am (src): Add clog10.c.
	(fsrc): Add clog10f.c.
	(CHEWOUT_FILES): Add clog10.def.
	* libm/complex/Makefile.in: Regenerate.
	* libm/complex/clog10.c: New file.
	* libm/complex/clog10f.c: New file.
	* libm/complex/complex.tex: Add references to clog10 docs.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
2016-02-22 14:43:41 -06:00
Jeff Johnston 182e2502c8 Also fix libm/machine generated files. 2016-02-17 17:08:54 -05:00
Jeff Johnston 8d40d78ae0 Fix libm regenerated files again. 2016-02-17 17:06:46 -05:00
Jeff Johnston 0e03371dbf Fix regeneration of libm autotool files. 2016-02-17 16:49:59 -05:00
Pieter du Preez 264b817b8e Define the newlib version macros in one place: _newlib_version.h.
Currently, the newlib version information needs to be updated in two places:
 - newlib/acinclude.m4
 - newlib/libc/include/sys/features.h

The goal of this patch is to:
 - supply a single location for defining the newlib version
   information: newlib/acinclude.m4
 - define __NEWLIB__, __NEWLIB_MINOR__ and __NEWLIB_PATCHLEVEL__
   This is in line with what gcc does for its version macros. See:
   https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html

This patch moves the definition of the _NEWLIB_VERSION, __NEWLIB__
and __NEWLIB_MINOR__ macros from newlib/libc/include/sys/features.h,
to the newly generated newlib/_newlib_version.h file. Additionally,
the __NEWLIB_PATCHLEVEL__ macro was created, for completeness.

In order to stay backwards compatible, newlib/_newlib_version.h gets
included by newlib/newlib.h and newlib/libc/include/sys/features.h.

Note: This patch does _not_ include the modifications to the following
files, as these should all be generated any way.
      *Makefile.in,
      *aclocal.m4,
      *configure
      stamp-* files

Signed-off-by: Pieter du Preez <pdupreez@gmail.com>
2016-02-17 16:04:09 -05:00
Jeff Johnston 06cd7127e3 Fix up errors in regenerated files for 2.3.0 release. 2016-01-04 12:57:31 -05:00
Jeff Johnston ad7b3cde9c Regenerate files for newlib 2.3.0. 2015-12-21 21:32:11 -05:00
Thomas Preud'homme 5b9873fa72 Check for 64 FP instructions availability in libm before using them
Currently, double precision math functions in newlib/libm/machine/arm detect whether neon instructions can be used for double precision computation by checking the architecture version (>= 8) and the availability of floating-point instructions. However, these instructions would not be available if targeting fpv5-sp-d16 as the FPU, which by definition does not have 64bit float instructions. This patch adds a check that __ARM_FP advertises 64bit float instructions.

        * libm/machine/arm/s_ceil.c: Also check that 64bit FP instructions are
        available in the guard.
        * libm/machine/arm/s_floor.c: Likewise.
        * libm/machine/arm/s_nearbyint.c: Likewise.
        * libm/machine/arm/s_rint.c: Likewise.
        * libm/machine/arm/s_round.c: Likewise.
        * libm/machine/arm/s_trunc.c: Likewise.
2015-12-09 10:30:31 +01:00
Jon Turney 81a7c8c37f doc: Fix some inconsistent QUICKREF lines
makedoc defines a command as 'all upper case, and alone on a line'.

A few QUICKREF lines currently violate this by having some additional text after
the QUICKREF.

So, currently, these lines are treated as an unknown command.

This is benign as QUICKREF currently does nothing but produce some ignored
output on stderr.  I'm not sure what the intent of QUICKREF is.

2015-11-06  Jon Turney  <jon.turney@dronecode.org.uk>

	* libm/mathfp/s_acos.c: Fix QUICKREF.
	* libm/mathfp/e_acosh.c: Ditto.
	* libm/math/w_asin.c: Ditto.
	* libm/mathfp/e_acosh.c: Ditto.
	* libm/mathfp/s_acos.c: Ditto.

Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
2015-11-12 12:42:17 +00:00
Jeff Johnston 0631279394 Move duplicated documentation rules to Makefile.shared
- Also, harmonize libm to use CHEWOUT_FILES like libc, rather than chobj.
  Update documentation appropriately.

        * HOWTO: Update.
        * Makefile.shared: Move documentation rules to here...
        * libc/argz/Makefile.am: ... from here ...
        * libc/ctype/Makefile.am: ... and here.
        * libc/errno/Makefile.am: Ditto.
        * libc/iconv/Makefile.am: Ditto.
        * libc/iconv/ccs/Makefile.am : Ditto.
        * libc/iconv/ces/Makefile.am: Ditto.
        * libc/iconv/lib/Makefile.am: Ditto.
        * libc/locale/Makefile.am: Ditto.
        * libc/misc/Makefile.am: Ditto.
        * libc/posix/Makefile.am: Ditto.
        * libc/reent/Makefile.am: Ditto.
        * libc/search/Makefile.am: Ditto.
        * libc/stdio/Makefile.am: Ditto.
        * libc/stdio64/Makefile.am: Ditto.
        * libc/stdlib/Makefile.am : Ditto.
        * libc/string/Makefile.am: Ditto.
        * libc/syscalls/Makefile.am: Ditto.
        * libc/time/Makefile.am : Ditto.
        * libc/unix/Makefile.am: Ditto.
        * libc/xdr/Makefile.am: Ditto.
        * libm/common/Makefile.am: Ditto.
        * libm/complex/Makefile.am: Ditto.
        * libm/math/Makefile.am: Ditto.
        * libm/mathfp/Makefile.am: Ditto.
2015-11-02 18:02:39 -05:00
Jeff Johnston 53617ce4e6 Consistently use an em-dash in math functions.
- also move previous ChangeLog entry to newlib instead of top-level

        * libc/time/wcsftime.c: Consistently use an em-dash in FUNCTION
summary.
        * libm/common/isgreater.c: Ditto.
        * libm/common/s_fdim.c: Ditto.
        * libm/common/s_fma.c: Ditto.
        * libm/common/s_fmax.c: Ditto.
        * libm/common/s_fmin.c: Ditto.
        * libm/common/s_infinity.c: Ditto.
        * libm/common/s_isnan.c: Ditto.
        * libm/common/s_log2.c: Ditto.
        * libm/common/s_logb.c: Ditto.
        * libm/common/s_lrint.c: Ditto.
        * libm/common/s_lround.c: Ditto.
        * libm/common/s_nearbyint.c: Ditto.
        * libm/common/s_remquo.c: Ditto.
        * libm/common/s_rint.c: Ditto.
        * libm/common/s_round.c: Ditto.
        * libm/common/s_scalbn.c: Ditto.
        * libm/common/s_signbit.c: Ditto.
        * libm/common/s_trunc.c: Ditto.
        * libm/math/w_exp2.c: Ditto.
        * libm/math/w_gamma.c: Ditto.
2015-11-02 16:43:22 -05:00
Jeff Johnston 72e18faf62 Add missing semicolons to prototypes.
* libc/stdio/fseek.c: Add missing semicolons to prototypes in
        SYNOPSIS.
        * libc/stdio/fwide.c: Ditto.
        * libc/stdio64/fseeko64.c: Ditto.
        * libc/string/strtok.c: Ditto.
        * libc/string/wcstok.c: Ditto.
        * libm/math/w_cosh.c: Ditto.
        * libm/math/w_fmod.c:  Ditto.
        * libm/mathfp/s_cosh.c: Ditto.
        * libm/mathfp/s_fmod.c: Ditto.
2015-11-02 16:34:49 -05:00
Jon TURNEY 9753bc3333 Remove workaround for texinfo bug with underscores in filenames from mothballed mathfp/
This got removed everywhere else in commit 139f923b, so I'm assuming whatever
ancient bug this was has been fixed long since.

There are plenty of other uses of texinfo with a filename containing an
underscore now.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-07-24 15:50:11 +01:00
Jon TURNEY a4dd7dd87c Use makedoc output files which are generated but aren't included
I think these are accidental omissions, as these source files are listed to be
chewed by makedoc, but the result is not included by any texinfo source file.

Future work: Nothing in libc/reent/ which is processed by makedoc is included by
reent.tex

2015-06-23  Jon Turney  <jon.turney@dronecode.org.uk>

	* libc/stdlib/stdlib.tex: Include itoa and utoa, and add to menu.
	* libc/string/strings.tex: Include memrchr and rawmemchr, and add
	to menu.
	* libm/math/math.tex: Include exp10 and pow10, and add to menu.
	* libm/common/s_exp10.c: Improve one-line description.
	* libm/common/s_exp10.c: Ditto.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-06-24 12:23:55 +01:00
Jon TURNEY ff4a4f2655 Fix SYNOPSIS prototypes without marked up parameter names
2015-06-23  Jon Turney  <jon.turney@dronecode.org.uk>

	* libc/stdlib/llabs.c: Mark up parameter name in ANSI_SYNOPSIS.
	* libc/time/tzset.c: Add and mark up parameter in SYNOPSIS.
	* libm/common/s_nan.c: Ditto.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-06-23 17:30:22 +01:00
Szabolcs Nagy b27c7d1d9a aarch64: fabs and sqrt implementation with inline asm
* libm/machine/aarch64/e_sqrt.c: New file.
        * libm/machine/aarch64/ef_sqrt.c: New file.
        * libm/machine/aarch64/s_fabs.c: New file.
        * libm/machine/aarch64/sf_fabs.c: New file.
        * libm/machine/aarch64/Makefile.in: Add new source files.
        * libm/machine/aarch64/Makefile.am: Regenerate.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-06-01 10:17:34 +02:00
DJ Delorie 4f3cc70cb6 Avoid unneeded truncation to "int"
* libm/math/e_sqrt.c (__ieee754_sqrt): Don't truncate constant to
"int".
2015-05-27 13:30:20 +02:00
Nick Clifton 7b3c1cffce Update signbit functions to work on targets where integers are only 16-bits.
* libm/common/s_signbit.c (__signbitf): Fix for 16-bit targets.
	(__signbitd): Likewise.
2015-05-27 13:30:19 +02:00
Jon TURNEY 44e5c14e08 Fix newlib texinfo source so 'info libc' and 'info libm' work
If the newlib .info files are installed using install-info, 'info libc' and
'info libm' don't work.

This seems to be due to the formatting of the directory entry line not being
quite right, so fix that.

Also use @direntry texinfo command, rather than writing .info directory entry
literally.

Also use @dircategory texinfo command to place into 'Newlib' category, rather
than ending up in 'Miscellaneous'

newlib/ChangeLog:

2015-03-13  Jon TURNEY  <jon.turney@dronecode.org.uk>

	* libc/libc.texinfo: Fix directory entry.
	* libm/libm.texinfo: Ditto.

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
2015-03-16 15:02:22 +00:00
Nick Clifton b9e7cd9a84 * libc/include/complex.h (cabsl): Add prototype.
(cimagl): Add prototype.
	(creall): Add prototype.
	* libc/include/ieeefp.h: Include float.h.
	(EXT_EXPBITS, EXT_FRACHBITS, EXT_FRACLBITS)
	(EXT_EXP_INFNAN. EXT_EXP_BIAS, EXT_FRACBITS): Define.
	(struct ieee_ext, union ieee_ext_u): New types for long double
	support.
	* libc/include/math.h (finitel): Add prototype.
	(hypotl): Add prototype.
	(sqrtl): Add prototype.
	* libm/common/Makefile.am (lsrc): Add sl_finite.c.
	* libm/common/Makefile.in: Regenerate.
	* libm/common/fdlibm.h (__ieee754_hypotl): Add prototype.
	* libm/common/hypotl.c (hypotl): Add implementation for when long
	double is larger than double.
	* libm/common/sqrtl.c (sqrtl): Likewise.
	* libm/common/sl_finite.c: New file.  Adds implementation of the
	finitel function.
	* libm/complex/Makefile.am (lsrc): Define.
	(libcomplex_la_SOURCES): Add lsrc.
	(lib_a_SOURCES): Add lsrc.
	* libm/complex/Makefile.in: Regenerate.
	* libm/complex/cabs.c: Add documentation of cabsl function.
	* libm/complex/cimag.c: Add documentation of cimagl function.
	* libm/complex/creall.c: Add documentation of creall function.
	* libm/complex/cabsl.c: New file.  Adds implementation of the
	cabsl function.
	* libm/complex/cimagl.c: New file.  Adds implementation of the
	cimagl function.
	* libm/complex/creall.c: New file.  Adds implementation of the
	creall function.
	* libm/math/Makefile.am (lsrc): Define.
	(libmath_la_SOURCES): Add lsrc.
	(lib_a_SOURCES): Add lsrc.
	* libm/math/Makefile.in: Regenerate.
	* libm/math/el_hypot.c: New file.  Adds implementation of the
	__ieee754_hypotl function.
2015-02-06 16:14:04 +00:00
Jeff Johnston 0615b4bb5f 2014-12-18 Jeff Johnston <jjohnstn@redhat.com>
* NEWS: Update with 2.2.0 info.
        * README: Ditto.
        * acinclude.m4: Change version number to 2.2.0.
        * libc/libc.texinfo: Ditto.
        * libm/libm.texinfo: Ditto.
        * configure: Regenerated.
        * Makefile.in: Regenerated.
        * doc/configure: Ditto.
        * libc/*/configure: Ditto.
        * libm/*/configure: Ditto.
        * libc/sys/linux/shared.ld: Add VERS_2.2
2014-12-18 20:30:11 +00:00
Jeff Johnston 705cda717e 2014-12-15 Jonathan Roelofs <jonathan@codesourcery.com>
* libc/include/math.h: Add log2l,logbl,nexttowardf,
        * nexttoward,nexttowardl
        * libm/common/Makefile.am: Reference new files
        * libm/common/Makefile.in: Reference new files
        * libm/common/log2l.c: New File
        * libm/common/logbl.c: Likewise
        * libm/common/nexttowardf.c: Likewise
        * libm/common/nexttoward.c: Likewise
        * libm/common/nexttowardl.c: Likewise
2014-12-15 20:50:23 +00:00
Corinna Vinschen 0cbcde7bdb * configure.host: Add libm nds32 machine directory.
* libm/machine/configure: Regenerated.
	* libm/machine/configure.in: Add nds32 AC_CONFIG.
	* libm/machine/nds32/Makefile.am: New file.
	* libm/machine/nds32/Makefile.in: Generated.
	* libm/machine/nds32/aclocal.m4: Generated.
	* libm/machine/nds32/configure: Generated.
	* libm/machine/nds32/configure.in: New file.
	* libm/machine/nds32/w_sqrt.S: New file.
	* libm/machine/nds32/wf_sqrt.S: New file.
2014-12-15 13:27:38 +00:00
Jeff Johnston b7f5fb36f1 2014-03-21 Maciej W. Rozycki <macro@codesourcery.com>
* libc/stdlib/gd_qnan.h (f_QNAN, d_QNAN0, d_QNAN1): Add MIPS
        versions.
        (ld_QNAN0, ld_QNAN1, ld_QNAN2, ld_QNAN3): Don't define for MIPS.
        (ldus_QNAN0, ldus_QNAN1, ldus_QNAN2, ldus_QNAN3, ldus_QNAN4):
        Likewise.
        * libc/stdlib/ldtoa.c (nan113, nan64, nan53, nan24): Add MIPS
        versions.
        (enan): Handle legacy MIPS payloads.
        * libm/common/s_nan.c (nan): Use __builtin_nan if supported by
        the compiler.
        * libm/common/sf_nan.c (nanf): Likewise.
2014-03-21 21:27:29 +00:00
Corinna Vinschen 6480b2ae76 * libm/complex/complex.tex: Fix wrong syntax in documentation.
* libm/math/math.tex: Ditto.
2014-02-20 18:59:10 +00:00
Jeff Johnston d581a24a36 2014-02-04 Matthias Braun <matze@braunis.de>
* libm/mathfp/sf_numtest.c: Fix NaN/Inf detection logic.
2014-02-04 20:49:53 +00:00
Jeff Johnston 5ac847c629 2013-12-23 Jeff Johnston <jjohnstn@redhat.com>
* NEWS: Update with 2.1.0 info.
        * README: Ditto.
        * acinclude.m4: Change version number to 2.1.0.
        * aclocal.m4: Regenerated.
        * configure: Ditto.
        * Makefile.in: Regenerated.
        * doc/aclocal.m4: Ditto.
        * doc/configure: Ditto.
        * libc/*/aclocal.m4: Ditto.
        * libc/*/configure: Ditto.
        * libc/libc.texinfo: Ditto.
        * libm/*/aclocal.m4: Ditto.
        * libm/*/configure: Ditto.
        * libm/libm.texinfo: Ditto.
        * libc/sys/linux/shared.ld: Add VERS_2.1
2013-12-23 20:45:10 +00:00
Joel Sherrill 7dffe44b09 2013-11-19 Joel Sherrill <joel.sherrill@oarcorp.com>
* libm/common/modfl.c: Add cast to remove compiler warning.
2013-11-19 17:28:04 +00:00
Corinna Vinschen 874e065fa1 * libm/libm.texinfo: Rename node Index to Document Index.
* libc/libc.texinfo: Rename node Library Index to Document Index.
2013-11-08 12:48:29 +00:00
Jeff Johnston 4b7586ff43 2013-04-29 Freddie Chopin <freddie_chopin@op.pl>
* libc/libc.texinfo: Fix @ references and change ifinfo to be
        ifnottexinfo.
        * libm/libm.texinfo: Ditto.
2013-04-29 20:02:34 +00:00
Jeff Johnston f2d223bd0f 2012-12-20 Jeff Johnston <jjohnstn@redhat.com>
* NEWS: Update with 2.0.0 info.
        * README: Ditto.
        * acinclude.m4: Change version number to 2.0.0.
        * aclocal.m4: Regenerated.
        * configure: Ditto.
        * Makefile.in: Regenerated.
        * doc/aclocal.m4: Ditto.
        * doc/configure: Ditto.
        * libc/*/aclocal.m4: Ditto.
        * libc/*/configure: Ditto.
        * libc/libc.texinfo: Ditto.
        * libm/*/aclocal.m4: Ditto.
        * libm/*/configure: Ditto.
        * libm/libm.texinfo: Ditto.
        * libc/sys/linux/shared.ld: Add VERS_2.0
2012-12-20 21:10:27 +00:00
Jeff Johnston a4f34961d8 2012-12-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* configure.host: Define libm_machine_dir value for arm.
        * libm/machine/configure.in: Add arm to libm machines list.
        * libm/machine/configure: Regenerate.
        * libm/machine/arm/Makefile.am: New file.
        * libm/machine/arm/Makefile.in: Generated.
        * libm/machine/arm/aclocal.m4: Generated.
        * libm/machine/arm/configure: Generated.
        * libm/machine/arm/configure.in: New file.
        * libm/machine/arm/s_ceil.c: Likewise.
        * libm/machine/arm/s_floor.c: Likewise.
        * libm/machine/arm/s_nearbyint.c: Likewise.
        * libm/machine/arm/s_rint.c: Likewise.
        * libm/machine/arm/s_round.c: Likewise.
        * libm/machine/arm/s_trunc.c: Likewise.
        * libm/machine/arm/sf_ceil.c: Likewise.
        * libm/machine/arm/sf_floor.c: Likewise.
        * libm/machine/arm/sf_nearbyint.c: Likewise.
        * libm/machine/arm/sf_rint.c: Likewise.
        * libm/machine/arm/sf_round.c: Likewise.
        * libm/machine/arm/sf_trunc.c: Likewise.
2012-12-06 17:33:44 +00:00
Jeff Johnston 25e21cbc32 2012-12-04 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* configure.host: Define libm_machine_dir value for arm.
        * libm/machine/configure.in: Add arm to libm machines list.
        * libm/machine/configure: Regenerate.
        * libm/machine/arm/Makefile.am: New file.
        * libm/machine/arm/Makefile.in: Generated.
        * libm/machine/arm/aclocal.m4: Generated.
        * libm/machine/arm/configure: Generated.
        * libm/machine/arm/configure.in: New file.
        * libm/machine/arm/s_ceil.c: Likewise.
        * libm/machine/arm/s_floor.c: Likewise.
        * libm/machine/arm/s_nearbyint.c: Likewise.
        * libm/machine/arm/s_rint.c: Likewise.
        * libm/machine/arm/s_round.c: Likewise.
        * libm/machine/arm/s_trunc.c: Likewise.
        * libm/machine/arm/sf_ceil.c: Likewise.
        * libm/machine/arm/sf_floor.c: Likewise.
        * libm/machine/arm/sf_nearbyint.c: Likewise.
        * libm/machine/arm/sf_rint.c: Likewise.
        * libm/machine/arm/sf_round.c: Likewise.
        * libm/machine/arm/sf_trunc.c: Likewise.
2012-12-04 21:43:21 +00:00
Corinna Vinschen 1cfd36169c * libm/machine/aarch64/configure.in: Change comment to say libm
instead of libc.
2012-11-23 10:48:13 +00:00
Jeff Johnston 6555743a4b 2012-10-24 Jeff Johnston <jjohnstn@redhat.com>
* configure.in: Comment out the --enable-newlib-fp-hw option
        as the mathfp library is inaccurate and should not be used.
        * Makefile.am: Add comment regarding the mathfp directory.
        * configure: Regenerated.
        * Makefile.in: Ditto.
        * libm/mathfp/README: New file that details why the mathfp
        directory is not used.
2012-10-24 21:01:39 +00:00