Martin Möhrmann
16200c7333
runtime: make complex division c99 compatible
...
- changes tests to check that the real and imaginary part of the go complex
division result is equal to the result gcc produces for c99
- changes complex division code to satisfy new complex division test
- adds float functions isNan, isFinite, isInf, abs and copysign
in the runtime package
Fixes #14644 .
name old time/op new time/op delta
Complex128DivNormal-4 21.8ns ± 6% 13.9ns ± 6% -36.37% (p=0.000 n=20+20)
Complex128DivNisNaN-4 14.1ns ± 1% 15.0ns ± 1% +5.86% (p=0.000 n=20+19)
Complex128DivDisNaN-4 12.5ns ± 1% 16.7ns ± 1% +33.79% (p=0.000 n=19+20)
Complex128DivNisInf-4 10.1ns ± 1% 13.0ns ± 1% +28.25% (p=0.000 n=20+19)
Complex128DivDisInf-4 11.0ns ± 1% 20.9ns ± 1% +90.69% (p=0.000 n=16+19)
ComplexAlgMap-4 86.7ns ± 1% 86.8ns ± 2% ~ (p=0.804 n=20+20)
Change-Id: I261f3b4a81f6cc858bc7ff48f6fd1b39c300abf0
Reviewed-on: https://go-review.googlesource.com/37441
Reviewed-by: Robert Griesemer <gri@golang.org>
2017-03-15 22:45:17 +00:00
Emmanuel Odeke
53fd522c0d
all: make copyright headers consistent with one space after period
...
Follows suit with https://go-review.googlesource.com/#/c/20111 .
Generated by running
$ grep -R 'Go Authors. All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors. All/Go Authors. All/g' $F;done
The code in cmd/internal/unvendor wasn't changed.
Fixes #15213
Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00
Rob Pike
3b63b69d2f
test: comment the behavior and use of cmplxdivide*
...
The various files are confusingly named and their operation
not easy to see. Add a comment to cmplxdivide.c, one of the few
C files that will endure in the repository, to explain how to build
and run the test.
Change-Id: I1fd5c564a14217e1b9815b09bc24cc43c54c096f
Reviewed-on: https://go-review.googlesource.com/2850
Reviewed-by: Russ Cox <rsc@golang.org>
2015-01-15 00:00:06 +00:00
Alan Donovan
052c942e20
test: ensure all failing tests exit nonzero.
...
Previously merely printing an error would cause the golden
file comparison (in 'bash run') to fail, but that is no longer
the case with the new run.go driver.
R=iant
CC=golang-dev
https://golang.org/cl/7310087
2013-02-12 13:17:49 -05:00
Russ Cox
105c5fa666
test: invoke go command in run.go
...
Lets us run multifile tests and tests with arguments.
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5753068
2012-03-07 01:54:39 -05:00
Rob Pike
f9489bed72
renaming_4: gofix -r everything/but/src/pkg
...
R=rsc
CC=golang-dev
https://golang.org/cl/5338043
2011-11-08 15:43:02 -08:00
Kai Backman
36057e721e
more soft float support. passes several basic tests
...
but with less precision than hardware counterparts.
fixed a number of tests to output BUG when they failed.
changed the runner to distinghuish between output
and output containing ^BUG
R=rsc
CC=dho, golang-dev
https://golang.org/cl/1778041
2010-07-20 15:53:16 +03:00
Russ Cox
21ff75bc0e
complex divide: match C99 implementation
...
R=iant, ken2, r, r2, ken3
CC=golang-dev
https://golang.org/cl/1686044
2010-06-18 15:46:00 -07:00
