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Author SHA1 Message Date
Rob Pike
71ccf73a74 doc/go1: syscalls, strconv 
R=rsc
CC=golang-dev
https://golang.org/cl/5472054
 2011-12-09 14:12:51 -08:00
Russ Cox
1cb7f85d74 gc: 0 expected bugs 
Now that Luuk's qualified exporting code
is in, fixing this bug is trivial.

R=ken2
CC=golang-dev
https://golang.org/cl/5479048
 2011-12-09 14:58:28 -05:00
Rob Pike
5912869d61 html/template: make Must work 
Fixes #2545.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5475054
 2011-12-09 10:47:36 -08:00
Russ Cox
8c0b699ca4 gc: fix another blank bug 
R=ken2
CC=golang-dev
https://golang.org/cl/5478051
 2011-12-09 11:59:21 -05:00
Rob Pike
2e338fa69f doc/go1: the rest of the language changes 
R=rsc
CC=golang-dev
https://golang.org/cl/5478047
 2011-12-09 08:31:57 -08:00
Rob Pike
940c25faa4 tmpltohtml: feature for easier snippet extraction 
Lines that end with OMIT are omitted from the output.
A comment such as
        // Example stops here. OMIT
can be used as a marker but not appear in the output.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5477050
 2011-12-09 08:31:04 -08:00
Russ Cox
e77f057bf3 gc: resolve built-ins to built-in symbol 
R=lvd
CC=golang-dev
https://golang.org/cl/5480049
 2011-12-09 08:28:17 -05:00
Russ Cox
fc128403dc gc: minor changes for inlining 
Copied from 5400043 since they stand alone from inlining.

R=lvd
CC=golang-dev
https://golang.org/cl/5479046
 2011-12-09 08:03:51 -05:00
Russ Cox
ef1c535727 spec: examples of untyped boolean, string constants 
This is a spec correction, not a language change.
The implementations have behaved like this for years
(and there are tests to that effect), and elsewhere in
the spec true and false are defined to be untyped
boolean constants.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5477047
 2011-12-09 00:13:19 -05:00
Russ Cox
6a47bb4974 spec: remove redundant, outdated definition of default literal types 
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5480047
 2011-12-09 00:12:49 -05:00
Russ Cox
012798a325 gc: rune is now an alias for int32 
R=ken2
CC=golang-dev
https://golang.org/cl/5467049
 2011-12-09 00:12:07 -05:00
Russ Cox
d7f050a73e spec: rune is now an alias for int32 
R=golang-dev, dsymonds, r
CC=golang-dev
https://golang.org/cl/5467048
 2011-12-09 00:11:43 -05:00
Russ Cox
41453d2ed2 exp/types: fix linux build 
I don't understand why it was only broken on Linux

TBR=gri
CC=golang-dev
https://golang.org/cl/5479045
 2011-12-08 23:20:21 -05:00
Russ Cox
2ab9bb6aaf gc: fix export of '\'' and '\\' constants 
Fixes Windows build.

R=ken2
CC=golang-dev
https://golang.org/cl/5472046
 2011-12-08 22:43:31 -05:00
Charles L. Dorian
9a358df947 spec: fix typo in example comment 
R=rsc, golang-dev
CC=golang-dev
https://golang.org/cl/5475046
 2011-12-08 22:27:14 -05:00
Russ Cox
a250f37cbc update tree for new default type rule 
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5448091
 2011-12-08 22:08:03 -05:00
Russ Cox
be0ffbfd02 gc: implement character constant type rules 
R=ken2
CC=golang-dev
https://golang.org/cl/5444054
 2011-12-08 22:07:43 -05:00
Charles L. Dorian
2065b0a094 math: special cases for Pow10; delete BUG 
R=rsc, golang-dev
CC=golang-dev
https://golang.org/cl/5477046
 2011-12-08 22:06:33 -05:00
Russ Cox
a933635579 spec: var x = 'a' defaults to type rune 
R=gri, r, r, adg, iant, ken
CC=golang-dev
https://golang.org/cl/5444053
 2011-12-08 21:48:19 -05:00
Rob Pike
136c04f71a doc/go1: most of the simple language changes 
R=rsc, adg, r
CC=golang-dev
https://golang.org/cl/5477044
 2011-12-08 16:39:05 -08:00
Alex Brainman
27cab90363 syscall: allow for mksyscall_windows.pl to be used outside of syscall 
this change should have been part of fafcd328da73

R=golang-dev, bsiegert
CC=golang-dev
https://golang.org/cl/5462045
 2011-12-09 11:12:03 +11:00
Alex Brainman
692c31d60a misc/cgo/testso: do not leave out file behind 
R=golang-dev, dvyukov
CC=golang-dev
https://golang.org/cl/5461044
 2011-12-09 11:00:49 +11:00
Benny Siegert
5d045fb0f1 syscall: Remove obsolete Errstr call from commented-out example. 
syscall_windows.go contains a small demo, which calls the obsolete
syscall.Errstr function.

R=golang-dev, alex.brainman
CC=golang-dev
https://golang.org/cl/5475044
 2011-12-09 10:42:34 +11:00
Charles L. Dorian
94b0342f17 math: document more special cases 
Acosh, Asinh, Atanh, Ceil, Floor, Trunc, Mod and Remainder affected. These changes add some non-finite arguments and results (and -0.0 results).

R=rsc, golang-dev
CC=golang-dev
https://golang.org/cl/5469046
 2011-12-08 17:07:13 -05:00
Adam Langley
60f564fc37 crypto/dsa: don't truncate input hashes. 
Although FIPS 186-3 says that we should truncate the hashes, at least
one other library (libgcrypt) doesn't. This means that it's impossible
to interoperate with code using gcrypt if we enforce the truncation
inside of crypto/dsa.

This change shouldn't actually affect anything because nearly
everybody pairs DSA with SHA1, which doesn't need to be truncated in
either case.

R=golang-dev, bradfitz, rsc
CC=golang-dev
https://golang.org/cl/5471043
 2011-12-08 16:46:19 -05:00
Rob Pike
9d59c40eab doc/go1: document rearranged package hierarchy 
Some exciting HTML and CSS here.

R=remyoudompheng, rsc, r
CC=golang-dev
https://golang.org/cl/5460047
 2011-12-08 11:35:28 -08:00
Rob Pike
1ddedbae31 tmpltohtml: put a DO NOT EDIT mark automatically in the output 
R=r, rsc, r
CC=golang-dev
https://golang.org/cl/5469045
 2011-12-08 11:26:49 -08:00
Rob Pike
0397b28a90 html/template: clean up locking for ExecuteTemplate 
R=mikesamuel, rogpeppe
CC=golang-dev
https://golang.org/cl/5448137
 2011-12-08 10:15:53 -08:00
Andrea Spadaccini
83c30f3ec2 syscall: add constants for flock() system call under Linux. 
The values have been generated only for the i386 and amd64 architectures.

R=golang-dev, mikioh.mikioh, dsymonds
CC=bradfitz, dsymonds, golang-dev
https://golang.org/cl/5452060
 2011-12-08 15:12:08 +09:00
David Symonds
c526188fca CONTRIBUTORS: Andrea Spadaccini (Google CLA) 
R=golang-dev, rsc
CC=golang-dev, spadaccio
https://golang.org/cl/5460046
 2011-12-08 16:53:39 +11:00
David Symonds
2949f3b659 time: use Duration for AfterFunc. 
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5465043
 2011-12-08 15:42:44 +11:00
Russ Cox
f00340f022 gc: rename %union field name from lint to i 
#define lint has special meaning to Bison;
having a field named lint conflicts with that.

R=ken2
CC=golang-dev
https://golang.org/cl/5462044
 2011-12-07 23:38:32 -05:00
Alex Brainman
ef65feda2a syscall: return error, not uintptr, when function returns error 
R=rsc
CC=golang-dev
https://golang.org/cl/5450119
 2011-12-08 12:07:21 +11:00
Rob Pike
2fa987b6cd doc/go1: map deletion 
This CL is in part a proposal for how to write these sections:
- Brief discussion of change
- No attempt to analyze the thinking about it
- Old code
- New code, runnable if possible
- How to update old programs

R=golang-dev, remyoudompheng, gri, adg
CC=golang-dev
https://golang.org/cl/5454044
 2011-12-07 16:11:17 -08:00
Andrew Gerrand
be587a4d53 gobuilder: goinstall packages after building go tree 
R=rsc
CC=golang-dev
https://golang.org/cl/5450100
 2011-12-08 10:31:06 +11:00
Robert Griesemer
2e3bd890c5 strconv: fix documentation 
Also: minor performance fix for large precision results.

benchmark                                   old ns/op    new ns/op    delta
strconv_test.BenchmarkFormatFloatDecimal         2734         2734   +0.00%
strconv_test.BenchmarkFormatFloat                3141         3139   -0.06%
strconv_test.BenchmarkFormatFloatExp             8970         8989   +0.21%
strconv_test.BenchmarkFormatFloatBig             3228         3208   -0.62%

Fixes #2535.

R=rsc
CC=golang-dev
https://golang.org/cl/5435089
 2011-12-07 14:45:45 -08:00
Rob Pike
bab4dec142 doc: skeleton for release note document 
No content yet other than titles and an introductory paragraph.
Once this is in, content can arise as separate manageable CLs.

R=rsc
CC=golang-dev
https://golang.org/cl/5435090
 2011-12-07 14:33:37 -08:00
Rémy Oudompheng
4349effb15 gc: keep pointer to original node in constant rewrites. 
This allows printing meaningful expressions in error messages
instead of evaluated constants.
Fixes #2276.

R=golang-dev, rsc
CC=golang-dev, remy
https://golang.org/cl/5432082
 2011-12-07 16:18:50 -05:00
David Symonds
9d52fe22b4 exp/sql: simplify some string conversions. 
R=bradfitz
CC=golang-dev
https://golang.org/cl/5451112
 2011-12-08 08:08:00 +11:00
Russ Cox
5e98505ba7 gc: fix spurious typecheck loop in &composite literal 
Fixes #2538.

R=ken2
CC=golang-dev
https://golang.org/cl/5449114
 2011-12-07 15:48:55 -05:00
Russ Cox
1278c6c055 bytes: lost edit from earlier CL 
R=iant
CC=golang-dev
https://golang.org/cl/5450125
 2011-12-07 15:30:01 -05:00
Russ Cox
9b875bc037 bytes: faster Count, Index, Equal 
Benchmarks are from GOARCH=amd64 on a MacPro5,1.

benchmark                                    old MB/s     new MB/s  speedup
bytes_test.BenchmarkEqual32                    452.89       891.07    1.97x
bytes_test.BenchmarkEqual4K                    852.71      1700.44    1.99x
bytes_test.BenchmarkEqual4M                    841.53      1587.93    1.89x
bytes_test.BenchmarkEqual64M                   838.22      1578.14    1.88x

bytes_test.BenchmarkIndex32                     58.02        48.99    0.84x
bytes_test.BenchmarkIndex4K                     48.26        41.32    0.86x
bytes_test.BenchmarkIndex4M                     48.20        41.24    0.86x
bytes_test.BenchmarkIndex64M                    48.08        41.21    0.86x
bytes_test.BenchmarkIndexEasy32                410.04       546.82    1.33x
bytes_test.BenchmarkIndexEasy4K                849.26     14257.37   16.79x
bytes_test.BenchmarkIndexEasy4M                854.54     17222.15   20.15x
bytes_test.BenchmarkIndexEasy64M               843.57     11060.40   13.11x

bytes_test.BenchmarkCount32                     57.24        50.68    0.89x
bytes_test.BenchmarkCount4K                     48.19        41.82    0.87x
bytes_test.BenchmarkCount4M                     48.18        41.74    0.87x
bytes_test.BenchmarkCount64M                    48.17        41.71    0.87x
bytes_test.BenchmarkCountEasy32                433.11       547.44    1.26x
bytes_test.BenchmarkCountEasy4K               1130.59     14194.06   12.55x
bytes_test.BenchmarkCountEasy4M               1131.23     17231.18   15.23x
bytes_test.BenchmarkCountEasy64M              1111.40     11068.88    9.96x

The non-easy Count/Index benchmarks are a worst case input.

regexp.BenchmarkMatchEasy0_32                  237.46       221.47    0.93x
regexp.BenchmarkMatchEasy0_1K                  553.53      1019.72    1.84x
regexp.BenchmarkMatchEasy0_32K                 693.99      1672.06    2.41x
regexp.BenchmarkMatchEasy0_1M                  688.72      1611.68    2.34x
regexp.BenchmarkMatchEasy0_32M                 680.70      1565.05    2.30x
regexp.BenchmarkMatchEasy1_32                  165.56       243.08    1.47x
regexp.BenchmarkMatchEasy1_1K                  336.45       496.32    1.48x
regexp.BenchmarkMatchEasy1_32K                 302.80       425.63    1.41x
regexp.BenchmarkMatchEasy1_1M                  300.42       414.20    1.38x
regexp.BenchmarkMatchEasy1_32M                 299.64       413.47    1.38x

R=golang-dev, r, iant
CC=golang-dev
https://golang.org/cl/5451116
 2011-12-07 15:09:56 -05:00
Russ Cox
2f2cc24cd8 regexp: avoid allocation of input interface 
Matters most for small inputs, because there is no real work
to amortize the allocation effort against.

benchmark                                old ns/op    new ns/op    delta
BenchmarkLiteral                               613          473  -22.84%
BenchmarkNotLiteral                           4981         4931   -1.00%
BenchmarkMatchClass                           7289         7122   -2.29%
BenchmarkMatchClass_InRange                   6618         6663   +0.68%
BenchmarkReplaceAll                           7843         7233   -7.78%
BenchmarkAnchoredLiteralShortNonMatch          329          228  -30.70%
BenchmarkAnchoredLiteralLongNonMatch           322          228  -29.19%
BenchmarkAnchoredShortMatch                    838          715  -14.68%
BenchmarkAnchoredLongMatch                     824          715  -13.23%

benchmark                                 old MB/s     new MB/s  speedup
BenchmarkMatchEasy0_32                      119.73       196.61    1.64x
BenchmarkMatchEasy0_1K                      540.58       538.33    1.00x
BenchmarkMatchEasy0_32K                     732.57       714.00    0.97x
BenchmarkMatchEasy0_1M                      726.44       708.36    0.98x
BenchmarkMatchEasy0_32M                     707.77       691.45    0.98x
BenchmarkMatchEasy1_32                      102.12       136.11    1.33x
BenchmarkMatchEasy1_1K                      298.31       307.04    1.03x
BenchmarkMatchEasy1_32K                     273.56       274.43    1.00x
BenchmarkMatchEasy1_1M                      268.42       269.23    1.00x
BenchmarkMatchEasy1_32M                     266.15       267.34    1.00x
BenchmarkMatchMedium_32                       2.53         3.38    1.34x
BenchmarkMatchMedium_1K                       9.37         9.57    1.02x
BenchmarkMatchMedium_32K                      9.29         9.67    1.04x
BenchmarkMatchMedium_1M                       9.42         9.66    1.03x
BenchmarkMatchMedium_32M                      9.41         9.62    1.02x
BenchmarkMatchHard_32                         6.66         6.75    1.01x
BenchmarkMatchHard_1K                         6.81         6.85    1.01x
BenchmarkMatchHard_32K                        6.79         6.85    1.01x
BenchmarkMatchHard_1M                         6.82         6.83    1.00x
BenchmarkMatchHard_32M                        6.80         6.80    1.00x

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5453076
 2011-12-07 15:03:05 -05:00
Russ Cox
3c56a7b17e test: make array smaller in nilptr test 
Fixes #2314.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5437154
 2011-12-07 15:00:44 -05:00
Olivier Duperray
e97a55810f godoc: <pre> must not occur inside <p> 
Fixes #2532

R=golang-dev, dr.volker.dobler, rsc
CC=golang-dev
https://golang.org/cl/5450115
 2011-12-07 15:00:38 -05:00
Russ Cox
c3480878c4 A+C: Olivier Duperray, Taru Karttunen (individual CLA) 
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5451121
 2011-12-07 15:00:32 -05:00
Charles L. Dorian
e4de2e7fd0 math: document special-cases behavior for Dim, Max and Min 
Max returns +Inf if x or y is +Inf; else it returns NaN if either x or y is NaN. Max(-0, -0) returns -0.
Min returns -Inf if x or y is -Inf; else it returns NaN if either x or y is NaN. Min(+0, -0) returns -0.
Dim(+Inf, +Inf) = NaN, Dim(-Inf, -Inf) = NaN and Dim(NaN, anything) = NaN.
Also, change "conditions" to "cases" for Sin (missed it in previous CL).

R=rsc, dave
CC=golang-dev
https://golang.org/cl/5437137
 2011-12-07 14:52:17 -05:00
Peter Mundy
69191553e7 time: fix daysIn for December 
daysBefore[12+1]: index out of range
time.December and Windows SYSTEMTIME.wMonth
are 12 for December.

R=rsc, dsymonds
CC=golang-dev
https://golang.org/cl/5448130
 2011-12-07 14:47:25 -05:00
Robert Griesemer
127b5a66b1 strconv: faster float conversion 
- added AppendFloatX benchmarks
- 2% to 13% better performance
- check for illegal bitSize

benchmark                                   old ns/op    new ns/op    delta
strconv_test.BenchmarkFormatFloatDecimal         2993         2733   -8.69%
strconv_test.BenchmarkFormatFloat                3384         3141   -7.18%
strconv_test.BenchmarkFormatFloatExp             9192         9010   -1.98%
strconv_test.BenchmarkFormatFloatBig             3279         3207   -2.20%
strconv_test.BenchmarkAppendFloatDecimal         2837         2478  -12.65%
strconv_test.BenchmarkAppendFloat                3196         2928   -8.39%
strconv_test.BenchmarkAppendFloatExp             9028         8773   -2.82%
strconv_test.BenchmarkAppendFloatBig             3151         2782  -11.71%

R=rsc, bradfitz
CC=golang-dev
https://golang.org/cl/5448122
 2011-12-07 10:30:27 -08:00
Robert Griesemer
b955bbfbdb misc/benchcmp: don't require "Benchmark" at beginning of line 
Output is package_name.BenchmarkXXX.

R=rsc
CC=golang-dev
https://golang.org/cl/5440123
 2011-12-07 10:30:08 -08:00