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1569 Commits

Author SHA1 Message Date
Nigel Tao 2bb59fd71a Make image.Color.RGBA return 16 bit color instead of 32 bit color. 
R=rsc
CC=golang-dev
https://golang.org/cl/1388041
 2010-05-28 12:59:21 -07:00
Alex Brainman d5a8647d80 syscall: windows SysAlloc should use stdcall_raw not syscall 
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/1382041
 2010-05-28 11:47:09 -07:00
Alex Brainman 12923e43f2 syscall: windows syscall trace to assist debugging 
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/1383041
 2010-05-28 11:46:10 -07:00
Rob Pike 0580deafaf fmt.Scan: add Fscan and Fscanln and make Scan and Scanln 
read from standard input.  Add description of scanning to
the package comment.

R=rsc
CC=golang-dev
https://golang.org/cl/1390041
 2010-05-28 11:29:27 -07:00
Roger Peppe 1fda1323d4 Add Rectangle.Eq and Point.In. 
Fix Rectangle.Clip.
It could return a non-canonical rectangle if its arguments
did not overlap.
e.g. Rect(0, 0, 10, 10).Clip(Rect(0, 20, 10, 30)) -> Rect(0, 20, 10, 10)

R=rsc, r
CC=golang-dev, golang-dev
https://golang.org/cl/1290041
 2010-05-27 17:19:47 -07:00
Russ Cox bb84f4b5d2 changes &x -> x[0:] for array to slice conversion 
R=gri
CC=golang-dev
https://golang.org/cl/1326042
 2010-05-27 14:51:47 -07:00
Rob Pike 7ee6d44e4f fmt.Scan: custom formatters 
R=rsc
CC=golang-dev
https://golang.org/cl/1315042
 2010-05-26 18:16:41 -07:00
Rob Pike 6965b407dd fmt.Scan: custom formatters 
R=rsc
CC=golang-dev
https://golang.org/cl/1315042
 2010-05-26 18:15:09 -07:00
Robert Griesemer a4129988a4 godoc: collect package comments from all package files, not just the first one found 
R=r
CC=golang-dev
https://golang.org/cl/1331041
 2010-05-26 13:44:27 -07:00
Adam Langley f199f292e7 big: add ModInverse. 
ModInverse is just a small wrapper around GcdInt, but it's nice to
have in order to be clear about what one is doing in other code.

R=gri, agl1
CC=golang-dev
https://golang.org/cl/1244045
 2010-05-26 15:58:58 -04:00
Rob Pike 5b77928478 fmt: fix 386 build. error strings differ for overflow on 386. 
R=gri
CC=golang-dev
https://golang.org/cl/1316042
 2010-05-26 10:01:52 -07:00
Rob Pike 71f130f55c fmt.Scan, fmt.Scanln: Start of a simple scanning API in the fmt package. 
Still to do:
	- composite types
	- user-defined scanners
	- format-driven scanning
The package comment will be updated when more of the functionality is in place.

R=rsc
CC=golang-dev
https://golang.org/cl/1252045
 2010-05-25 21:02:35 -07:00
Nigel Tao 0c662f60a5 Optimize exp/draw/x11 flusher inner loop. 
On my laptop, time to prepare and write 800x600 pixels over the
socket falls from 125-ish ms to 80-ish ms.

Thanks to Roger Peppe for the suggestion.

R=r
CC=golang-dev
https://golang.org/cl/1228044
 2010-05-24 19:32:42 -07:00
Russ Cox 566f598046 fix build - nacl stubs 
TBR=nigeltao
CC=golang-dev
https://golang.org/cl/1259042
 2010-05-24 17:00:21 -07:00
Christopher Wedgwood 5c19c4e5e3 net: udp, implement BindToDevice 
R=rsc
CC=golang-dev, r
https://golang.org/cl/1271041
 2010-05-24 16:53:23 -07:00
Evan Shaw 751fc425ee big: Rat test improvements 
R=gri
CC=golang-dev
https://golang.org/cl/1270041
 2010-05-24 16:38:41 -07:00
Nigel Tao c95e11db56 Fix typo in exp/draw/x11. 
R=rsc
CC=golang-dev
https://golang.org/cl/1282041
 2010-05-24 15:07:47 -07:00
Russ Cox 21518ea2af runtime: free old hashmap pieces during resizing 
R=r
CC=golang-dev
https://golang.org/cl/1254044
 2010-05-24 14:31:10 -07:00
Alex Brainman 2a1ee42e2b fix windows build 
R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/1209048
 2010-05-24 11:48:14 -07:00
Nigel Tao 2d8aee45b8 Make draw/x11 treat $DISPLAY the same way x-go-bindings does. 
This ought to make draw/x11 work on a Mac.

R=rsc
CC=golang-dev
https://golang.org/cl/1265042
 2010-05-24 11:44:09 -07:00
Adam Langley eadebba36f big: prevent errors in Exp in the face of aliasing 
R=gri
CC=golang-dev, golang-dev
https://golang.org/cl/1244044
 2010-05-24 14:32:55 -04:00
Andrew Gerrand 977475fd49 syscall: update freebsd_amd64 
R=rsc, r
CC=golang-dev
https://golang.org/cl/1268041
 2010-05-24 09:58:59 -07:00
Nigel Tao e974fb949e When making images, allocate one big buffer instead of many small ones. 
R=rsc, r
CC=golang-dev
https://golang.org/cl/1267041
 2010-05-23 11:12:00 -07:00
Robert Griesemer 72fd5c80f8 go/printer, gofmt: fix printing of labels, 
apply gofmt to src, misc

Fixes #752.

R=rsc
CC=golang-dev
https://golang.org/cl/1240044
 2010-05-21 20:25:08 -07:00
Robert Griesemer 38b2d10bb2 test/hilbert.go: convert to test case and benchmark for big.Rat 
R=rsc
CC=golang-dev
https://golang.org/cl/1231044
 2010-05-21 20:20:17 -07:00
Christopher Wedgwood 13d5a19a98 net: implement raw sockets 
R=rsc
CC=golang-dev
https://golang.org/cl/684041
 2010-05-21 17:30:40 -07:00
Evan Shaw 5ac88f4a8b big: Add Rat type 
Implementations are pretty rough and simple at this point, but it's a start.

R=gri
CC=golang-dev
https://golang.org/cl/1250043
 2010-05-21 16:14:55 -07:00
Russ Cox f58ba18a08 runtime: correct tracebacks for nascent goroutines, even closures 
Fixes #780.

R=r
CC=golang-dev
https://golang.org/cl/1221042
 2010-05-21 14:40:21 -07:00
Russ Cox 48673d2745 syscall: add Utimes, Futimes stubs for NaCl - fix build 
TBR=nigeltao
CC=golang-dev
https://golang.org/cl/1262042
 2010-05-21 14:39:10 -07:00
Russ Cox 1d076a6e61 syscall: regenerate zsyscall_linux_arm.go - fix build 
R=kaib
CC=golang-dev
https://golang.org/cl/1209047
 2010-05-21 14:33:17 -07:00
Robert Griesemer e8dec0dc05 big: fix Int.SetString comment, simplify implementation, 
always return z for nat.scan

R=rsc
CC=golang-dev
https://golang.org/cl/1236043
 2010-05-21 14:28:34 -07:00
Robert Griesemer 638ef0794f bignum: deprecate by moving into exp directory 
R=rsc
CC=golang-dev
https://golang.org/cl/1211047
 2010-05-21 14:14:22 -07:00
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
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
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
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 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
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
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