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Author SHA1 Message Date
Robert Griesemer
e3bfeec474 big: implemented Int.Binomial (to be used in test/hilbert.go with the 
forthcoming implementation of big.Rat)

R=rsc
CC=golang-dev
https://golang.org/cl/1229047
 2010-05-20 23:10:51 -07:00
Russ Cox
709c5b2481 gc: handle use of builtin function outside function call 
tweaks & tests of last bug fix too.

R=ken2
CC=golang-dev
https://golang.org/cl/1207044
 2010-05-20 22:57:08 -07:00
Russ Cox
b03d7f4d8f gc: line number bug fix 
R=ken2
CC=golang-dev
https://golang.org/cl/1243044
 2010-05-20 22:19:50 -07:00
Ken Thompson
333002bf53 clean up bug 275 
R=rsc
CC=golang-dev
https://golang.org/cl/1224044
 2010-05-20 21:01:59 -07:00
Ken Thompson
09b2de77b5 fix bug 275 
R=rsc
CC=golang-dev
https://golang.org/cl/1198046
 2010-05-20 20:56:28 -07:00
Russ Cox
9e497c3656 gc: disallow · in Go programs 
Fixes #793.

R=ken2
CC=golang-dev
https://golang.org/cl/1249043
 2010-05-20 17:34:22 -07:00
Ken Thompson
b0283611e4 fix issue 798 
cannot allocate an audomatic temp
while real registers are allocated.
there is a chance that the automatic
will be allocated to one of the
allocated registers. the fix is to
not registerize such variables.

R=rsc
CC=golang-dev
https://golang.org/cl/1202042
 2010-05-20 17:31:28 -07:00
Michael Hoisie
9192ec2ea1 netFD: fix race between Close and Read/Write 
Fixes #783.

R=rsc, cw
CC=golang-dev
https://golang.org/cl/1207043
 2010-05-20 17:13:50 -07:00
Roger Peppe
798140693e Fix Rectangle.Canon() 
R=rsc, r, gri
CC=golang-dev
https://golang.org/cl/1239043
 2010-05-20 14:33:50 -07:00
Nigel Tao
efda3aba10 Fast-ish path for drawing onto an image.RGBA destination. 
Time to draw.Draw a 200x200 image fell from 18.4ms (and 1 malloc) to
5.6ms (and 0 mallocs). It's still relatively slow since it assumes
nothing about the src or mask images, but it does remove the malloc.
There are existing faster, more specialized paths for copies, fills
and image glyph masks.

Also added a "compare to a slow but obviously correct implementation"
check to draw_test.go.

R=rsc, r
CC=golang-dev
https://golang.org/cl/1223044
 2010-05-20 13:57:18 -07:00
Christopher Wedgwood
37a6adf1d3 syscall: linux, implement BindToDevice 
R=rsc
CC=adg, golang-dev, r
https://golang.org/cl/1253043
 2010-05-20 09:43:13 -07:00
Christopher Wedgwood
5265857ac4 syscall: bsd, stub BindToDevice 
R=rsc
CC=adg, golang-dev, r
https://golang.org/cl/1257041
 2010-05-20 09:39:35 -07:00
Russ Cox
4843b130bb runtime: avoid allocation for fixed strings 
R=r
CC=golang-dev
https://golang.org/cl/1083041
 2010-05-19 21:33:31 -07:00
Andrew Gerrand
d6b199ac99 dashboard: reintroduce Benchmark model 
R=rsc
CC=golang-dev
https://golang.org/cl/1217046
 2010-05-19 17:53:41 -07:00
Brad Fitzpatrick
1afa2a1b2d os: add Chtimes function 
R=rsc, r
CC=golang-dev
https://golang.org/cl/1103041
 2010-05-19 17:48:53 -07:00
Russ Cox
cbc01a3e76 syscall: add Utimes on Darwin/FreeBSD, add Futimes everywhere 
Needed for CL 1103041 and beyond.

R=adg, bradfitzpatrick
CC=bradfitz, golang-dev
https://golang.org/cl/1172042
 2010-05-19 17:47:57 -07:00
Robert Griesemer
ce7487baa8 bug275: cannot apply real() to a complex array element 
R=r, ken2
CC=golang-dev
https://golang.org/cl/1260041
 2010-05-19 13:10:00 -07:00
Russ Cox
b198c8612e runtime: allow large map values 
Fixes #772.

R=ken2
CC=golang-dev
https://golang.org/cl/1206043
 2010-05-19 12:57:47 -07:00
Robert Griesemer
a688eb6ee4 big: potential bug fix, cleanups 
- implemented setWord, use it where setUint64 is wrong
- divLarge: use fast mulWW, divWW; implemented mulWW, divWW
- better assembly code for addMulVVW

R=rsc
CC=golang-dev
https://golang.org/cl/1258042
 2010-05-19 09:36:50 -07:00
Russ Cox
5b8117b98a fix build - arm tests 
TBR=kaib
CC=golang-dev
https://golang.org/cl/1256042
 2010-05-18 23:27:35 -07:00
Russ Cox
b629687f79 fix build - no netchan tests under NaCl 
TBR=r
CC=golang-dev
https://golang.org/cl/1230042
 2010-05-18 23:25:07 -07:00
Michael Hoisie
4a3cb1ad2f bytes: add Trim, TrimLeft, TrimRight, and generic functions 
R=rsc, r
CC=golang-dev
https://golang.org/cl/946045
 2010-05-18 23:01:05 -07:00
Evan Shaw
d2aa74118c gc: Better error when computing remainder of non-int 
Previously the compiler would just emit "internal compiler error" when
trying to compute the remainder of floats or complex types.

R=rsc
CC=golang-dev
https://golang.org/cl/1243041
 2010-05-18 22:41:12 -07:00
Charles L. Dorian
809479740f math: amd64 versions of fdim, fmax, fmin 
Uses the SSE2 max, min instructions. Also shorter sqrt_amd64.s

R=rsc
CC=golang-dev
https://golang.org/cl/1216042
 2010-05-18 22:33:50 -07:00
Charles L. Dorian
879241d819 math: signed zero Sqrt special case 
IEEE 754 says: sqrt(-0) = -0

R=rsc
CC=golang-dev
https://golang.org/cl/1098041
 2010-05-18 22:16:01 -07:00
Robert Griesemer
90d0c3316c big: bug fix for division 
Fixes #784.

R=rsc
CC=golang-dev
https://golang.org/cl/1196043
 2010-05-18 16:31:49 -07:00
Kyle Consalus
2db47c9083 Trivial optimization. 
Cached string indexing in inner loop of Btoui64.

    Before:
    strconv_test.BenchmarkAtoi   5000000           309 ns/op
    strconv_test.BenchmarkAtoiNeg    5000000           325 ns/op
    strconv_test.BenchmarkAtoi64     5000000           465 ns/op
    strconv_test.BenchmarkAtoi64Neg  5000000           469 ns/op

    After:
    strconv_test.BenchmarkAtoi  10000000           182 ns/op
    strconv_test.BenchmarkAtoiNeg   10000000           193 ns/op
    strconv_test.BenchmarkAtoi64    10000000           251 ns/op
    strconv_test.BenchmarkAtoi64Neg 10000000           258 ns/op

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/1227042
 2010-05-18 16:29:24 -07:00
Roger Peppe
bcdcf395e5 Add Error member to yyLexer type (yyError 
has no access to yylex)

R=ken2, ken3
CC=golang-dev
https://golang.org/cl/813047
 2010-05-17 12:23:48 -07:00
Robert Griesemer
dbb6232724 big: implemented format support for fmt library, MulRange 
- support for binary prefix 0b (to match fmt.Format)
- renamed nat.new -> nat.setUint64 for consistency
- more tests

R=r
CC=golang-dev
https://golang.org/cl/1233041
 2010-05-15 10:23:41 -07:00
Christopher Wedgwood
cffdb1e830 build; allow MAKEFLAGS to be set outside the build scripts 
R=rsc, r
CC=golang-dev
https://golang.org/cl/1231041
 2010-05-15 10:08:29 -07:00
Charles L. Dorian
1d4e2d1adc cmath: add package description 
Also update range of Phase and Polar due to signed zero.
[Phase(cmplx(-1, +0)) = pi and Phase(cmplx(-1, -0)) = -pi]

R=rsc, r
CC=golang-dev
https://golang.org/cl/1235041
 2010-05-15 10:06:54 -07:00
Robert Griesemer
31f79690f7 gofmt: exclude test w/ illegal syntax from test cases 
R=adg
CC=golang-dev
https://golang.org/cl/1228041
 2010-05-14 15:45:53 -07:00
Robert Griesemer
650cc32739 go/printer (gofmt): don't lose mandatory semicolons 
Fixes #779.

R=r
CC=golang-dev
https://golang.org/cl/1218042
 2010-05-14 15:38:25 -07:00
Robert Griesemer
3af4803704 go spec: added imaginary literal to semicolon rules (was missing) 
- also added links to the respective sections
- reformatted section for better (source html) readability
- added missing closing </li>'s in many places

R=r
CC=golang-dev
https://golang.org/cl/1220041
 2010-05-14 13:11:48 -07:00
Roger Peppe
14e04f4d40 Prevent Printf crashing when giving an extra nil argument. 
R=rsc, r
CC=golang-dev
https://golang.org/cl/1195041
 2010-05-13 12:49:48 -07:00
Andrew Gerrand
e0bde8cfe8 rename 'gordon' to 'gopher' 
R=r
CC=golang-dev
https://golang.org/cl/1207041
 2010-05-13 11:53:44 -07:00
Robert Griesemer
434c4378c1 bug274: test case for issue 777 
R=r, iant
CC=golang-dev
https://golang.org/cl/1195042
 2010-05-13 11:52:04 -07:00
Robert Griesemer
d6acc0646b http: prevent crash if remote server is not responding with "HTTP/" 
Fixes #775.

R=rsc
CC=golang-dev
https://golang.org/cl/1180042
 2010-05-11 16:50:20 -07:00
Russ Cox
75dbbd2137 netchan: be less chatty during gotest 
R=r
CC=golang-dev
https://golang.org/cl/1186041
 2010-05-11 14:57:08 -07:00
Russ Cox
4e5bc6a8fe json: fix array -> non-array decoding 
Fixes #773.

R=adg
CC=golang-dev
https://golang.org/cl/1120042
 2010-05-11 14:38:55 -07:00
Nigel Tao
916426ea76 drawGlyphOver optimization. 
Timings (as for change 1122043) go from 49ms to 48ms ish. It's
mostly lost in the noise, but it probably doesn't hurt.

R=r
CC=golang-dev
https://golang.org/cl/1179041
 2010-05-11 13:35:16 +10:00
Nigel Tao
d7a6d22852 exp/draw fast path for glyph images. 
To draw.Draw a 32x32 image.Alpha 10000 times,
Before: 633ms with 10000 mallocs
After: 49ms with 0 mallocs

These times are just blitting an image.Alpha, and do not include
rasterizing a glyph's vector contours to an image.Alpha.

The "generic" test case in draw_test.go tests this fast path.

R=rsc
CC=golang-dev
https://golang.org/cl/1122043
 2010-05-10 10:32:08 +10:00
Rob Pike
b717768b94 template: regularize the handling of interfaces, pointers, and 
methods when looking up names.
Fixes #764.

R=rsc
CC=golang-dev
https://golang.org/cl/1170041
 2010-05-09 16:40:38 -07:00
Michael Hoisie
834abb8068 json: accept escaped slash in string scanner 
R=rsc
CC=golang-dev
https://golang.org/cl/1173041
 2010-05-08 17:34:05 -07:00
Robert Griesemer
52cc058172 big: cleanups and performance tuning 
- removed last argument (n) from all core arithmetic routines;
  instead, use the length of the result

- simplified nat.make implementation and chose a better capacity
  for new values, removed a TODO in the process

Changing the constant e from 1 (old) to 4 (new) improved
pidigits -s -n 10000 by ~9% (on a 3.06GHz Intel Core 2 Duo):

user	0m3.882s (old)
user	0m3.549s (new)

R=rsc
CC=golang-dev
https://golang.org/cl/1133043
 2010-05-08 13:52:36 -07:00
Robert Griesemer
61eb0e71f2 big: more cleanup 
- pass []Word instead of *Word to core arithmetic functions
- remove dead code

R=rsc
CC=golang-dev
https://golang.org/cl/1154042
 2010-05-07 18:26:31 -07:00
Robert Griesemer
56ca697269 go spec: simplify section on channel types 
R=rsc, iant, r
CC=golang-dev
https://golang.org/cl/1171041
 2010-05-07 18:22:40 -07:00
Rob Pike
f023e859cf compress: renamings. 
NewDeflater -> NewWriter
NewInflater -> NewReader
Deflater -> Compressor
Inflater -> Decompressor

R=rsc
CC=golang-dev
https://golang.org/cl/1166041
 2010-05-07 14:32:34 -07:00
Rob Pike
b541921b66 gob: bug fix: errors encoding the payload were not 
returned to caller.

R=rsc
CC=golang-dev
https://golang.org/cl/1164041
 2010-05-07 13:30:13 -07:00
Rob Pike
56c5710b38 gob: add an internal commentary example showing how the 
values are encoded for transmission.

R=rsc
CC=golang-dev
https://golang.org/cl/1146041
 2010-05-07 11:44:41 -07:00