/usr/share/octave/site/m/sundialsTB/cvodes/cvm/cvm_djacB.m is in octave-sundials 2.5.0-3+b1.
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 | function [JB, flag, new_data] = cvm_djacB(t, y, yB, fyB, fct, data)
%
% Wrapper around the actual user-provided Matlab function
%
if isempty(data)
[JB, flag] = feval(fct,t,y,yB,fyB);
new_data = [];
else
[JB, flag, new_data] = feval(fct,t,y,yB,fyB,data);
end
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