23fd374bf2
Float.Cmp used to return a value < 0, 0, or > 0 depending on how arguments x, y compared against each other. With the possibility of NaNs, the result was changed into an Accuracy (to include Undef). Consequently, Float.Cmp results could still be compared for (in-) equality with 0, but comparing if < 0 or > 0 would provide the wrong answer w/o any obvious notice by the compiler. This change wraps Float.Cmp results into a struct and accessors are used to access the desired result. This prevents incorrect use. Change-Id: I34e6a6c1859251ec99b5cf953e82542025ace56f Reviewed-on: https://go-review.googlesource.com/7526 Reviewed-by: Rob Pike <r@golang.org> |
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The Go Programming Language
Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.
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Binary Distribution Notes
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.