This file is indexed.

/usr/share/psychtoolbox-3/PsychStairCase/Contents.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
% Psychtoolbox:PsychStairCase.
%
% An implementation of a adaptive staircase that works by the principle of
% minimum expected entropy to chose the next probe value.
%
% MinExpEntStair        - The staircase, documentation is in this function
% FitCumGauss_MES       - helper function for fitting cumulative Gaussian
%
% See also MinExpEntStairDemo for a demo