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spec: Use "non-negative" instead of "positive"

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Replacing division-by-power-of-2 with right-shift is valid for
zero too.

R=gri
CC=golang-dev
https://golang.org/cl/7027049
This commit is contained in:
Matthew Dempsky 2013-01-06 16:56:06 -08:00 committed by Robert Griesemer
parent 47e5266a22
commit 80a87a99cc
1 changed files with 2 additions and 2 deletions
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4
doc/go_spec.html
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@ -1,6 +1,6 @@
<!--{
"Title": "The Go Programming Language Specification",
"Subtitle": "Version of January 2, 2013",
"Subtitle": "Version of January 6, 2013",
"Path": "/ref/spec"
}-->
@ -3027,7 +3027,7 @@ int64 -9223372036854775808
<p>
If the divisor is a <a href="#Constants">constant</a>, it must not be zero.
If the divisor is zero at run time, a <a href="#Run_time_panics">run-time panic</a> occurs.
If the dividend is positive and the divisor is a constant power of 2,
If the dividend is non-negative and the divisor is a constant power of 2,
the division may be replaced by a right shift, and computing the remainder may
be replaced by a bitwise AND operation:
</p>