[Webkit-unassigned] [Bug 33189] scaleEmToUnits in SimpleFontDataMac.mm does an unnecessary division

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=33189





--- Comment #5 from Darin Adler <darin at apple.com>  2010-01-04 18:01:48 PST ---
(From update of attachment 45849)
> -static inline float scaleEmToUnits(float x, unsigned unitsPerEm) { return x * (contextDPI / (contextDPI * unitsPerEm)); }
> +static inline float scaleEmToUnits(float x, unsigned unitsPerEm) { return x / static_cast<float>(unitsPerEm); }

Why the static_cast<float>? As far as I know, C will do a float / unsigned just
fine, and return a float without any cast.

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