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Commit Graph

12 Commits

Author SHA1 Message Date
Eoghan Sherry
ff4e08f60d math: improve accuracy of Exp2
Note:
* Exp2 doesn't have a special case for very small arguments
* Exp2 hasn't been subject to a proper error analysis

Also:
* add tests for Exp2 with integer argument
* always test Go versions of Exp and Exp2

R=rsc
CC=Charlie Dorian, PeterGo, golang-dev
https://golang.org/cl/3481041
2010-12-06 16:24:51 -05:00
Charles L. Dorian
a0117bafa0 math: amd64 versions of exp and fabs
Benchmark of exp to 28 ns/op from 64 ns/op,
on 2.53GHz Intel Core 2 Duo.

R=rsc
CC=golang-dev
https://golang.org/cl/1594041
2010-06-30 14:44:27 -07:00
Charles L. Dorian
3c3e68ba32 math: use ** for exponentiation in comments
R=rsc
CC=golang-dev
https://golang.org/cl/908041
2010-04-09 14:37:33 -07:00
Charles L. Dorian
aee1434193 math: add Exp2; 386 FPU versions of Exp2 and Log1p
Added tests and benchmarks for Exp2 (special cases same
as Exp). Log1p also enhances speed of inverse hyperbolics.

R=rsc
CC=golang-dev
https://golang.org/cl/206058
2010-02-10 00:06:41 -08:00
Charles L. Dorian
a0690b69da math: add functions; update tests and special cases
Added special cases to comments for asin.go and fabs.go.
Added Trunc() to floor.go and floor_386.s.  Fixed formatting
error in hypot_386.s  Added new functions Acosh, Asinh,
Atanh, Copysign, Erf, Erfc, Expm1, and Log1p.  Added
386 FPU version of Fmod.  Added tests, benchmarks, and
precision to expected results in all_test.go.  Edited
makefile so it all compiles.

R=rsc
CC=golang-dev
https://golang.org/cl/195052
2010-02-01 22:21:40 -08:00
Charles L. Dorian
46206c52e3 math: special cases for Ceil, Exp, Floor, Log, Log10
Added special case tests to all_test.go. Added tests to Floor,
in-lined tests in Exp and Log.

R=rsc
CC=golang-dev
https://golang.org/cl/184081
2010-01-11 21:28:02 -08:00
Robert Griesemer
a3d1045fb7 1) Change default gofmt default settings for
parsing and printing to new syntax.

   Use -oldparser to parse the old syntax,
   use -oldprinter to print the old syntax.

2) Change default gofmt formatting settings
   to use tabs for indentation only and to use
   spaces for alignment. This will make the code
   alignment insensitive to an editor's tabwidth.

   Use -spaces=false to use tabs for alignment.

3) Manually changed src/exp/parser/parser_test.go
   so that it doesn't try to parse the parser's
   source files using the old syntax (they have
   new syntax now).

4) gofmt -w src misc test/bench

3rd set of files.

R=rsc
CC=golang-dev
https://golang.org/cl/180048
2009-12-15 15:35:38 -08:00
Robert Griesemer
3bb0032cd6 - replaced gofmt expression formatting algorithm with
rsc's algorithm
- applied gofmt -w misc src
- partial CL (last chunk)

R=rsc, r
http://go/go-review/1024041
2009-11-09 21:23:52 -08:00
Robert Griesemer
40621d5c0d remove semis after statements in one-statement statement lists
R=rsc, r
http://go/go-review/1025029
2009-11-09 12:07:39 -08:00
Russ Cox
2c5ec1ebc0 apply gofmt to malloc math once os
R=gri
DELTA=566  (4 added, 14 deleted, 548 changed)
OCL=35410
CL=35419
2009-10-06 19:40:35 -07:00
Russ Cox
3b864e4195 convert low-level (used by testing) packages to
whole-package compilation.  new Makefiles,
tests now in separate package

	bytes
	flag
	fmt
	io
	math
	once
	os
	reflect
	strconv
	sync
	time
	utf8

delete import "xxx" in package xxx.

inside package xxx, xxx is not declared
anymore so s/xxx.//g

delete file and package level forward declarations.

note the new internal_test.go and sync
and strconv to provide public access to
internals during testing.  the installed version
of the package omits that file and thus does
not open the internals to all clients.

R=r
OCL=33065
CL=33097
2009-08-12 13:18:37 -07:00
Rob Pike
d90e7cbac6 mv src/lib to src/pkg
tests: all.bash passes, gobuild still works, godoc still works.

R=rsc
OCL=30096
CL=30102
2009-06-09 09:53:44 -07:00