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Author SHA1 Message Date
Charles L. Dorian
35c3afdb62 math: improve Atan, Asin and Acos accuracy 
pkg/math/all_test.go tests Atan (and therefore Asin and Acos) to a
relative accuracy of 4e-16, but the test vector misses values where
the old algorithm was in error by more than that. For example:

x            newError   oldError
0.414215746  1.41e-16  -4.24e-16
0.414216076  1.41e-16  -4.24e-16
0.414217632  1.41e-16  -4.24e-16
0.414218770  1.41e-16  -4.24e-16
0.414225466  0         -5.65e-16
0.414226244  1.41e-16  -4.24e-16
0.414228756  0         -5.65e-16
0.414235089  0         -5.65e-16
0.414237070  0         -5.65e-16

R=rsc, golang-dev
CC=golang-dev
https://golang.org/cl/6302093
 2012-06-24 19:39:07 -04:00
Han-Wen Nienhuys
d36c095da9 os: make POSIX StartProcess work with chroot again. 
Skip directory check in startProcess in the presence of
SysProcAttr.

Fixes #3649.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6297083
 2012-06-24 19:34:06 -04:00
Russ Cox
835f6a37dc CONTRIBUTORS: add Han-Wen Nienhuys (Google CLA) 
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6327054
 2012-06-24 19:32:37 -04:00
Jan Ziak
13802f5654 test/bench/shootout: remove dependency on C libraries in test mode 
Fixes #3732.

R=golang-dev
CC=golang-dev
https://golang.org/cl/6335053
 2012-06-24 19:23:09 -04:00
Jan Ziak
f5f3c3fe09 exp/inotify: prevent data race during testing 
Fixes #3714.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6341047
 2012-06-24 19:22:48 -04:00
Dave Cheney
e34079bb59 runtime: avoid r9/r10 during memmove 
Fixes #3718.

Requires CL 6300043.

R=rsc, minux.ma, extraterrestrial.neighbour
CC=golang-dev
https://golang.org/cl/6305100
 2012-06-25 08:28:30 +10:00
Dave Cheney
07826038c3 runtime: avoid r9/r10 during memset 
Partially fixes issue 3718.

R=golang-dev, rsc, minux.ma
CC=golang-dev
https://golang.org/cl/6300043
 2012-06-25 07:59:50 +10:00
David Symonds
c123c6c3f6 flag: fix indexing doc. 
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6341046
 2012-06-24 12:23:51 -07:00
Brad Fitzpatrick
93b7d1bf1e net/http: fix doc inaccuracy and typo; tighten test 
Note url.Error wrapping, and s/issue/issuing/.

Fixes #3724

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/6294093
 2012-06-24 10:41:12 -07:00
Shenghou Ma
a033e36766 runtime: fix struct Sigaction for Linux/386 
We need to use kernel headers to generate defs_linux_$GOARCH.h

R=golang-dev, dave, alex.brainman, iant
CC=golang-dev
https://golang.org/cl/6296091
 2012-06-24 01:41:17 +08:00
David G. Andersen
e2f2929d85 net/rpc: fix typo in documentation, clarify semantics of error return 
Several of my students were confused by trying to use both the error
return and a reply return, so I figured it was worth explicitly clarifying
that returning an error overrides the reply.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6327051
 2012-06-22 15:07:22 -07:00
David G. Andersen
75344d3d5b encoding/json: fix minor typo in documentation for Marshal 
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6325053
 2012-06-22 14:43:41 -07:00
Andrew Gerrand
dd6db9b7ba doc: put A Tour of Go video on the front page 
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6337047
 2012-06-22 10:22:01 -07:00
Mats Lidell
cbcf358d29 misc/emacs: Replace replace-{string|regexp} for XEmacs compatible code 
Use code to be used in lisp programs as suggested in the doc strings for
replace-{string|regexp}. Bonus: This code works for XEmacs.

R=golang-dev, sameer, jmeurin
CC=golang-dev
https://golang.org/cl/6296073
 2012-06-21 13:01:54 -04:00
Adam Langley
7f689864d8 crypto/x509: add extended key usage support. 
Flame motivated me to get around to adding extended key usage support
so that code signing certificates can't be used for TLS server
authentication and vice versa.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6304065
 2012-06-20 16:18:56 -04:00
Marcel van Lohuizen
77b1378c3e exp/locale/collate: added regression test for collate package 
based on UCA test files.

R=r
CC=golang-dev
https://golang.org/cl/6216056
 2012-06-19 11:34:56 -07:00
Shenghou Ma
5d2cfc2faa doc/articles/slices_usage_and_internals: fix typo 
Fixes #3753.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/6304097
 2012-06-20 01:22:03 +08:00
Shenghou Ma
d4c4f4d2c4 runtime: fix struct Sigaction for Linux/ARM 
if we were to use sizeof(sa.sa_mask) instead of 8 as the last argument
        to rt_sigaction, we would have already fixed this bug, so also updated
        Linux/386 and Linux/amd64 files to use that; also test the return value
        of rt_sigaction.

R=dave, rsc
CC=golang-dev
https://golang.org/cl/6297087
 2012-06-20 01:17:03 +08:00
Brad Fitzpatrick
a5aa91b9a2 net/http: make client await response concurrently with writing request 
If the server replies with an HTTP response before we're done
writing our body (for instance "401 Unauthorized" response), we
were previously ignoring that, since we returned our write
error ("broken pipe", etc) before ever reading the response.
Now we read and write at the same time.

Fixes #3595

R=rsc, adg
CC=golang-dev
https://golang.org/cl/6238043
 2012-06-19 09:20:41 -07:00
Brad Fitzpatrick
e1d9fcd267 net/http: clarify client return values in docs 
Also, fixes one violation found during testing where both
response and error could be non-nil when a CheckRedirect test
failed.  This is arguably a minor API (behavior, not
signature) change, but it wasn't documented either way and was
inconsistent & non-Go like.  Any code depending on the old
behavior was wrong anyway.

R=adg, rsc
CC=golang-dev
https://golang.org/cl/6307088
 2012-06-19 09:10:14 -07:00
Robert Griesemer
ca2ae27dd0 go/ast: multiple "blank" imports are permitted 
R=rsc, dsymonds
CC=golang-dev
https://golang.org/cl/6303099
 2012-06-18 21:56:41 -07:00
Marcel van Lohuizen
9c9754409d bytes: fixed typo. 
R=r
CC=golang-dev
https://golang.org/cl/6301096
 2012-06-18 17:43:05 -07:00
Brad Fitzpatrick
61809cd182 net/url: sort keys in Encode; don't enumerate map randomly 
R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/6303098
 2012-06-18 12:54:36 -07:00
Adam Langley
f34748908f A+C: Christine Hansmann (individual CLA) 
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6312045
 2012-06-18 11:08:31 -04:00
Robert Griesemer
417a7f80d2 go/ast: Walk: do not walk comment list 
A comment to that effect was introduced
with rev d332f4b9cef5 but the respective
code wasn't deleted.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/6304086
 2012-06-15 16:55:15 -07:00
Shenghou Ma
18b281978c doc: delete Mercurial Queues doc 
Fixes #3716.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/6310044
 2012-06-16 02:24:44 +08:00
Nigel Tao
834edc4257 exp/html/atom: add some more atoms. 
R=r, dsymonds
CC=golang-dev
https://golang.org/cl/6298085
 2012-06-15 15:39:25 +10:00
Shenghou Ma
9852614291 exp/types: clean up objects after test 
Fixes #3739.

R=bradfitz, rsc
CC=golang-dev
https://golang.org/cl/6295083
 2012-06-15 02:52:18 +08:00
Shenghou Ma
a11e74daf7 crypto/elliptic: fix doc typo 
Fixes #3735.

R=golang-dev, agl
CC=golang-dev
https://golang.org/cl/6301083
 2012-06-14 22:43:15 +08:00
Andrew Gerrand
71a1673c0a tag go1.0.2 
R=golang-dev, rsc, dsymonds, minux.ma
CC=golang-dev
https://golang.org/cl/6305089
 2012-06-14 13:18:10 +10:00
Andrew Gerrand
00e8a3ae91 doc: document go1.0.2 
R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/6298079
 2012-06-14 11:44:00 +10:00
Nigel Tao
8f84328fdc cmd/gc: inline convT2E when T is uintptr-shaped. 
GOARCH=amd64 benchmarks

src/pkg/runtime
benchmark                  old ns/op    new ns/op    delta
BenchmarkConvT2ESmall             10           10   +1.00%
BenchmarkConvT2EUintptr            9            0  -92.07%
BenchmarkConvT2EBig               74           74   -0.27%
BenchmarkConvT2I                  27           26   -3.62%
BenchmarkConvI2E                   4            4   -7.05%
BenchmarkConvI2I                  20           19   -2.99%

test/bench/go1
benchmark                 old ns/op    new ns/op    delta
BenchmarkBinaryTree17    5930908000   5937260000   +0.11%
BenchmarkFannkuch11      3927057000   3933556000   +0.17%
BenchmarkGobDecode         21998090     21870620   -0.58%
BenchmarkGobEncode         12725310     12734480   +0.07%
BenchmarkGzip             567617600    567892800   +0.05%
BenchmarkGunzip           178284100    178706900   +0.24%
BenchmarkJSONEncode        87693550     86794300   -1.03%
BenchmarkJSONDecode       314212600    324115000   +3.15%
BenchmarkMandelbrot200      7016640      7073766   +0.81%
BenchmarkParse              7852100      7892085   +0.51%
BenchmarkRevcomp         1285663000   1286147000   +0.04%
BenchmarkTemplate         566823800    567606200   +0.14%

I'm not entirely sure why the JSON* numbers have changed, but
eyeballing the profile suggests that it could be spending less
and more time in runtime.{new,old}stack, so it could simply be
stack-split boundary noise.

R=rsc, dave, bsiegert, dsymonds
CC=golang-dev
https://golang.org/cl/6280049
 2012-06-14 10:43:20 +10:00
Rob Pike
733ee91786 encoding/gob: don't cache broken encoding engines. 
Fixes a situation where a nested bad type would still
permit the outer type to install a working engine, leading
to inconsistent behavior.

Fixes #3273.

R=bsiegert, rsc
CC=golang-dev
https://golang.org/cl/6294067
 2012-06-13 15:55:43 -07:00
Brad Fitzpatrick
45969825b5 net/http: use index.html modtime (not directory) for If-Modified-Since 
Thanks to Håvid Falch for finding the problem.

Fixes #3414

R=r, rsc
CC=golang-dev
https://golang.org/cl/6300081
 2012-06-13 14:53:05 -07:00
Rémy Oudompheng
5468d16467 strconv: extend fast parsing algorithm to ParseFloat(s, 32) 
benchmark                  old ns/op    new ns/op    delta
BenchmarkAtof32Decimal           215           73  -65.72%
BenchmarkAtof32Float             233           83  -64.21%
BenchmarkAtof32FloatExp         3351          209  -93.76%
BenchmarkAtof32Random           1939          260  -86.59%

R=rsc
CC=golang-dev, remy
https://golang.org/cl/6294071
 2012-06-13 23:52:00 +02:00
Robert Griesemer
10b88888f6 math/big: correctly test for positive inputs in Int.GCD 
Also: better GCD tests.

R=rsc
CC=golang-dev
https://golang.org/cl/6295076
 2012-06-13 13:54:36 -07:00
Russ Cox
1c4e20744a syscall: fix windows copyFindData 
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6301076
 2012-06-13 16:44:19 -04:00
Robert Griesemer
8140cd9149 godoc: show comments in various filtered views 
Fixes #3454.

R=rsc
CC=golang-dev
https://golang.org/cl/6305069
 2012-06-13 13:32:59 -07:00
Robert Griesemer
f5f23e075e go/ast: comment map implementation 
A comment map associates comments with AST nodes
and permits correct updating of the AST's comment
list when the AST is manipulated.

R=rsc
CC=golang-dev
https://golang.org/cl/6281044
 2012-06-13 13:32:29 -07:00
Russ Cox
503aa6505e go/build: fix boolean negation 
!(linux&cgo | darwin&cgo)
= (!linux|!cgo) & (!darwin|!cgo)
= (!linux&!darwin) | !cgo  // new comment
≠ !linux | !darwin | !cgo  // old comment

Fixes #3726.

R=golang-dev, bsiegert
CC=golang-dev
https://golang.org/cl/6306076
 2012-06-13 16:24:56 -04:00
Jan Ziak
51fe5444fa runtime: improved continuity in hash computation 
Fixes #3695.

R=r, dave, rsc
CC=golang-dev
https://golang.org/cl/6304062
 2012-06-13 15:52:32 -04:00
Robert Griesemer
f4240666be math/big: fix binaryGCD 
R=rsc
CC=golang-dev
https://golang.org/cl/6297085
 2012-06-13 10:29:06 -07:00
Robert Griesemer
b7c5e23df0 math/big: various cleanups 
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/6295072
 2012-06-13 09:37:47 -07:00
Christopher Swenson
38735b957c math/big: Implemented binary GCD algorithm 
benchmark                    old ns/op    new ns/op    delta
BenchmarkGCD10x10                 4383         2126  -51.49%
BenchmarkGCD10x100                5612         2124  -62.15%
BenchmarkGCD10x1000               8843         2622  -70.35%
BenchmarkGCD10x10000             17025         6576  -61.37%
BenchmarkGCD10x100000           118985        48130  -59.55%
BenchmarkGCD100x100              45328        11683  -74.23%
BenchmarkGCD100x1000             50141        12678  -74.72%
BenchmarkGCD100x10000           110314        26719  -75.78%
BenchmarkGCD100x100000          630000       156041  -75.23%
BenchmarkGCD1000x1000           654809       137973  -78.93%
BenchmarkGCD1000x10000          985683       159951  -83.77%
BenchmarkGCD1000x100000        4920792       366399  -92.55%
BenchmarkGCD10000x10000       16848950      3732062  -77.85%
BenchmarkGCD10000x100000      55401500      4675876  -91.56%
BenchmarkGCD100000x100000   1126775000    258951800  -77.02%

R=gri, rsc, bradfitz, remyoudompheng, mtj
CC=golang-dev
https://golang.org/cl/6305065
 2012-06-13 09:31:20 -07:00
Jean-Marc Eurin
44a3a58e45 misc/emacs: Fix a failure when /tmp/<file>.go exists. 
R=sameer
CC=golang-dev
https://golang.org/cl/6296060
 2012-06-13 10:25:00 -04:00
Robert Griesemer
bb3af7554a CONTRIBUTORS: added Christopher Swenson (Google CLA) 
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6302069
 2012-06-12 18:11:19 -07:00
Andrew Gerrand
9115a8bca4 doc/install: mention GOPATH and point to code.html 
Fixes #3469.

R=golang-dev, kevlar, rsc, r
CC=golang-dev
https://golang.org/cl/6304049
 2012-06-13 10:33:02 +10:00
Nigel Tao
66429dcf75 exp/html: simplify some of the parser's internal methods. 
benchmark          old ns/op    new ns/op    delta
BenchmarkParser      4006888      3950604   -1.40%

R=r, andybalholm
CC=golang-dev
https://golang.org/cl/6301070
 2012-06-13 10:13:05 +10:00
Robert Griesemer
008c62b2cd math/big: optimize common case of Int.Bit(0) 
R=golang-dev, dsymonds, rsc
CC=golang-dev
https://golang.org/cl/6306069
 2012-06-12 09:36:35 -07:00
Rob Pike
ea3c3bb3a8 encoding/gob: better handling of nil pointers 
- better message for top-level nil
- nil inside interface yields error, not panic

Fixes #3704.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/6304064
 2012-06-12 00:36:39 -04:00