/usr/share/psychtoolbox-3/PsychGamma/MakeMonotonic.m is in psychtoolbox-3-common 3.0.11.20140816.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 17 18 19 20 21 22 23 24 25 | function output = MakeMonotonic(input)
% output = MakeMonotonic(input)
%
% Make input monotonically increasing.
%
% See also MakeGammaMonotonic, which is probably what you want if you are fitting
% gamma functions. This routine left alone when MakeGammaMonotonic was created,
% in case it is called from programs completely unrelated to gamma fitting.
%
% 3/1/99 dhb Handle multiple columns.
% 8/03/07 dhb Old routine just enforced non-decreasing. Fixed to make strictly increasing.
% 3/07/10 dhb Added comment about MakeGammaMonotonic.
[m,n] = size(input);
output = input;
for j = 1:n
for i = 1:m-1
if (output(i,j) >= output(i+1,j))
output(i+1,j) = output(i,j)+eps;
end
end
end
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