Commit graph

35 commits

Author SHA1 Message Date
Elliott Hughes
387d4b7de9 Auto-generate a complete NOTICE file.
Remove the hand-collated ones, and switch to a script that pulls the
copyright headers out of every file and collects the unique ones.

Change-Id: Ied3b98b3f56241df97166c410ff81de4e0157c9d
2012-08-09 16:05:31 -07:00
Shih-wei Liao
4e86ebb4b6 Had include/arm/fenv.h, but missed include/mips/fenv.h.
Needed for the device-build for LLVM's constant folding pass.

Change-Id: I412a98d52458231650801a8b59fe3159a789b8b9
Author: fu@mips.com
2012-07-30 20:12:46 -07:00
xqian6
29aa009924 Enable sqrtf() x86 assembly code
This patch can improve the sqrtf() performance.

Change-Id: Ic9d11d6a9ecd9b263f54d4878e13595e136b95ce
2012-06-25 16:20:09 +08:00
Elliott Hughes
e33af61c70 Remove the last references to SuperH.
Change-Id: Icb44c1f94cb178d90b4c2b1e8f6d175586aec4e1
2012-05-15 17:08:41 -07:00
Chris Dearman
726800e8f4 MIPS support to libm, libdl and libthread_db
Change-Id: I9106721af7fe0cd45df82976250db0d300a20117
Signed-off-by: Raghu Gandham <raghu@mips.com>
2012-05-04 11:34:40 -07:00
Elliott Hughes
7735a38935 Update s_fabsl.c to upstream head.
Bug: http://code.google.com/p/android/issues/detail?id=29539
Change-Id: I843dcfcbfe49e8e9f43c49aae6ade1edb57a3053
2012-04-30 16:12:43 -07:00
Jack Ren
bd0383acf8 libm: fix invalid result of function remquo/remquof
Currently we will get the wrong result as follows:
remquof(0x7bb33336, 0x63000000) = -671088640, 0x00000000
remquo(0xbff0000000000003, 0x3ff0000000000003) = 1, 0x8000000000000000
remquo(0x9120000000000001, 0x0000000000000005) = -1288490188, 0x0000000000000004
while the correct one should be:
remquof(0x7bb33336, 0x63000000) = 1476395008, 0x00000000
remquo(0xbff0000000000003, 0x3ff0000000000003) = -1, 0x8000000000000000
remquo(0x9120000000000001, 0x0000000000000005) = -1288490189, 0x0000000000000001

Fixed in this patch.

Change-Id: I540b348cd10a539f3b39b1753945c893c4c7ec46
Signed-off-by: Jingwei Zhang <jingwei.zhang@intel.com>
Signed-off-by: Jin Wei <wei.a.jin@intel.com>
Signed-off-by: Jack Ren <jack.ren@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
2012-04-10 12:55:43 +08:00
Jack Ren
1fa7b45df8 libm: cherry-pick one patch from freebsd to fix logb() denormals issue
from http://svnweb.freebsd.org/base?view=revision&revision=176101
"
Oops, fix the fix in rev.1.10.  logb() and logbf() were broken on
 denormals, and logb() remained broken after 1.10 because the fix for
 logbf() was incompletely translated.

Convert to __FBSDID().
"

Change-Id: I54f33648db7c421b06eee1ea8e63c57a179fae0d
Signed-off-by: Jack Ren <jack.ren@intel.com>
Signed-off-by: Jin Wei <wei.a.jin@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
2012-02-28 12:28:05 +08:00
David 'Digit' Turner
70b1668a76 remove obsolete SuperH support
We don't have a toolchain anymore, we don't have working original
kernel headers, and nobody is maintaining this so there is really
no point in keeping this here. Details of the patch:

- removed code paths from Android.mk files related to the SuperH
  architecture ("sh")

- removed libc/arch-sh, linker/arch-sh, libc/kernel/arch-sh

- simplified libc/SYSCALLS.TXT

- simplified the scripts in libc/tools/ and libc/kernel/tools

Change-Id: I26b0e1422bdc347489e4573e2fbec0e402f75560

Signed-off-by: David 'Digit' Turner <digit@android.com>
2012-01-31 20:28:23 +01:00
David 'Digit' Turner
0a1b306fe1 am 32ca348e: am ce0d646c: resolved conflicts for merge of 6cda7b62 to gingerbread-plus-aosp
* commit '32ca348eecb114b9b2a9393f178c82310f590ddb':
  Bionic: x86: Fix libm macro definitions
2011-09-29 21:09:08 -07:00
David 'Digit' Turner
ce0d646cc0 resolved conflicts for merge of 6cda7b62 to gingerbread-plus-aosp
Change-Id: I85bd5291c2a9cd29bff538b6d5a4dcd73f85a1fd
2011-09-30 05:56:51 +02:00
Bruce Beare
6cda7b6249 Bionic: x86: Fix libm macro definitions
http://code.google.com/p/android/issues/detail?id=19276

GCC would remove inline asm due to lack of knowledge
of FPU register changes.

Change-Id: I9f9e8623fa6580843b7cd8178439ace8c2db2d51
Signed-off-by: Mark D Horn <mark.d.horn@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
Author: Jingwei Zhang <jingwei.zhang@intel.com>
2011-09-29 17:35:33 +02:00
Jing Yu
d50225ad20 Disable sincos optimization for sincos calls.
sincos() functions would be turned into infinite calls to
itself if sincos optimization is applied to itself. See
gcc bugzilla http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46926

arm-linux-androideabi-4.4.3 toolchain does not have this problem
because sincos optimization is entirely disabled. Starting
from arm-linux-androideabi-4.6 toolchain, we enable sincos optimization
in gcc.

This patch simply enforce -O0 on this function to minimize the
change.

Change-Id: I0fc00b5f1dd71c0a024943bdedfed29b0d195e82
2011-08-17 10:29:41 -07:00
Bruce Beare
18142abc06 Remove extra/unneeded copy of fenv.h
Orig-Change-Id: I80da2521c50df7e8967af48164cc834abf499c50
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
2011-07-07 22:46:15 +02:00
Bruce Beare
4029e0e7cb Use proper variable typing
Orig-Change-Id: If5c33d90b33f538448ac12e7bee94b4b9173d39c
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
2011-07-07 22:46:15 +02:00
David 'Digit' Turner
8e2ff164cc libm: Add nanf() and tgammaf() implementations.
Requested by b/3370708 to export these through RenderScript.

Change-Id: I1ae69f87a1ad4765b2dee8e4a6f2f3a6eb7c5ad4
2011-01-25 17:07:26 +01:00
Chih-Wei Huang
b9aedb2c57 android-x86: use proper variable typing
Change-Id: Iff99932acd2f6cb482fc5da9ff586d7ab2a8b209
2010-12-23 09:32:12 +08:00
David Turner
572fced5b0 am 9691ecc9: Merge "Remove extra/unneeded copy of fenv.h"
* commit '9691ecc9a768e7e08cb6af0b454029195ffc285f':
  Remove extra/unneeded copy of fenv.h
2010-12-14 07:19:17 -08:00
David Turner
9691ecc9a7 Merge "Remove extra/unneeded copy of fenv.h" 2010-12-14 07:09:35 -08:00
David Turner
48bebaeca8 am 4efbf95d: Merge "Use proper variable typing"
* commit '4efbf95d8c88a3a203d687d9048b51e256ef3641':
  Use proper variable typing
2010-12-07 06:38:26 -08:00
David Turner
4efbf95d8c Merge "Use proper variable typing" 2010-12-07 06:27:23 -08:00
Rodrigo Obregon
fddaafceda Bionic: Aliasing problems with frexpf
This patch fixes a known bug in bionic libm
due to aliasing issues in gcc 4.2 and 4.4; more
specifically in frexpf.

The function frexpf is used to extract the
mantissa and exponent from a double precision number.

The bug has already been reported here:
https://code.google.com/p/android/issues/detail?id=6697

Change-Id: I2e1f2e0a45906642d2225b9d150ed391d2bf331c
Signed-off-by: Rodrigo Obregon <robregon@ti.com>
2010-11-05 12:15:26 -05:00
Bruce Beare
52eed0aeb7 Remove extra/unneeded copy of fenv.h
Change-Id: I80da2521c50df7e8967af48164cc834abf499c50
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
2010-10-11 12:34:26 -07:00
Bruce Beare
58f2b7ed66 Use proper variable typing
Change-Id: If5c33d90b33f538448ac12e7bee94b4b9173d39c
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
2010-10-11 12:34:10 -07:00
David 'Digit' Turner
ce2ebf8d73 libm: remove aliasing issue.
See http://code.google.com/p/android/issues/detail?id=6697
for details about this change.

Change-Id: I516f00c6f3bc99b22be51669e4573246bdd6e33d
2010-09-27 17:35:48 +02:00
David 'Digit' Turner
2beac0f5c6 DO NOT MERGE - add sincos.c to libm compilation
For some reason, a previous backport from master didn't get this.

Change-Id: I59eb96ad9de495a659808fdfb557033476c3d123
2010-06-09 15:49:35 -07:00
David 'Digit' Turner
410b2ae7fb Add sincosl() function to bionic. So that sincos optimization can - DO NOT MERGE
be enabled.

Change-Id: I672cb319689aa4fb3f1f7cd868dda76842bebae9
2010-06-09 14:35:29 -07:00
Jean-Baptiste Queru
c3581dc78a Merge "Sometimes the compiler is very right! Found bug in bessel routines for float." 2010-05-11 10:43:56 -07:00
David Turner
7911e057a5 Merge "Reduce compiler anxiety." 2010-05-11 10:20:15 -07:00
Scott Turner
c1f8dd9f0b Sometimes the compiler is very right! Found bug in bessel routines for float.
Original compiler error:

target arm C: libm <= bionic/libm/src/e_j0f.c
bionic/libm/src/e_j0f.c: In function 'j0f':
bionic/libm/src/e_j0f.c:66: warning: comparison between signed and unsigned integer expressions
bionic/libm/src/e_j0f.c: In function 'y0f':
bionic/libm/src/e_j0f.c:140: warning: comparison between signed and unsigned integer expressions
target arm C: libm <= bionic/libm/src/e_j1.c

It's subtle but ix is masked with 0x7f000000 so it can never ever have a value
greater than 0x80000000. So I switched to using the unmasked hx and added a
cast as a reward to the compiler for being right.

I checked the original routines that e_j0f.c was ported from (in e_j0.c) and
the double's don't use 0x80000000 so this issue didn't exist there.

Let that be a warning to those that just slap on casts to shut up the compiler,
sometimes it's sniffed out a bug for you. :-)

Similar fixes in the other functions.

Change-Id: I7a776e5d4721fc3a9e3bd89179b67e9af3a2ebfa
2010-05-07 15:02:36 -07:00
Scott Turner
72d3489612 Reduce compiler anxiety.
Warning from compiler:

target arm C: libm <= bionic/libm/src/e_atan2.c
bionic/libm/src/e_atan2.c: In function 'atan2':
bionic/libm/src/e_atan2.c:71: warning: suggest parentheses around arithmetic in operand of '|'
target arm C: libm <= bionic/libm/src/e_atan2f.c
2010-01-16 10:39:00 -05:00
Scott Turner
fb02ec25e9 Reversed order of const and static to hush warning from compiler. 2010-01-16 10:23:18 -05:00
Shin-ichiro KAWASAKI
d87945b4e7 added and modified libm to support SuperH architecture 2009-08-31 16:25:42 +09:00
The Android Open Source Project
4e468ed2eb Code drop from //branches/cupcake/...@124589 2008-12-17 18:03:48 -08:00
The Android Open Source Project
a27d2baa0c Initial Contribution 2008-10-21 07:00:00 -07:00