This file is indexed.

/usr/share/psychtoolbox-3/PsychOneliners/CenterMatOnPoint.m is in psychtoolbox-3-common 3.0.11.20131230.dfsg1-1build1.

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
17
18
function [xinds yinds] = CenterMatOnPoint(mat,x,y)
% [xinds yinds] = CenterMatOnPoint(mat,x,y)
% 
% returns indices to center matrix on a point
% 
% if no point is provided, relative indices are computed
%
% DN 2008

if nargin ==1
    x = 0;
    y = 0;
end

[ys,xs] = AltSize(mat,[1 2]);

xinds   = floor(-xs/2+1:xs/2)+round(x);
yinds   = floor(-ys/2+1:ys/2)+round(y);