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go / go / 9ee21f90d2594412dd60dd821831056db708fa53
commit9ee21f90d2594412dd60dd821831056db708fa53[log] [tgz]
authorRuss Cox <rsc@golang.org>Mon Oct 10 16:18:43 2016 -0400
committerRuss Cox <rsc@golang.org>Mon Oct 17 20:30:19 2016 +0000
treee32f8c06166eceacb6666802822d48dea73bc135
parent2190f771d876180fe3fe51d785f0dbc32a5373d0 [diff]
math/big: add (*Int).Sqrt

This is needed for some of the more complex primality tests
(to filter out exact squares), and while the code is simple the
boundary conditions are not obvious, so it seems worth having
in the library.

Change-Id: Ica994a6b6c1e412a6f6d9c3cf823f9b653c6bcbd
Reviewed-on: https://go-review.googlesource.com/30706
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
3 files changed
tree: e32f8c06166eceacb6666802822d48dea73bc135
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. CONTRIBUTING.md
  12. CONTRIBUTORS
  13. favicon.ico
  14. LICENSE
  15. PATENTS
  16. README.md
  17. robots.txt
README.md

The Go Programming Language

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If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.

For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:

export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin

See https://golang.org/doc/install or doc/install.html for more details.