[Webkit-unassigned] [Bug 36849] Add zero() method to Vector class

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=36849





--- Comment #2 from Chris Rogers <crogers at google.com>  2010-03-30 15:40:15 PST ---
This patch adds a zero() method to Vector (only for the POD types) which
memsets the bytes to all zeroes.  For integer and floating-point values this
corresponds to all values of 0 or 0.0.  The reason it's interesting to have a
zero() method when there's already a fill() method is because zero() can be
much more optimized (using memset) rather than using std::fill().

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