/usr/share/psychtoolbox-3/PsychRects/RectWidth.m is in psychtoolbox-3-common 3.0.9+svn2579.dfsg1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | function width = RectWidth(rect)
% width = RectWidth(rect)
%
% Returns the rect's width.
% Also see PsychRects.
% 5/12/96 dgp wrote it.
% 7/10/96 dgp PsychRects
if nargin~=1
error('Usage: width = RectWidth(rect)');
end
if size(rect,2)~=4
error('Wrong size rect argument. Usage: width = RectWidth(rect)');
end
width = rect(RectRight) - rect(RectLeft);
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