/usr/share/axiom-20170501/input/bern.input is in axiom-test 20170501-3.
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 | f(t)==cos(t)/(1+sin(t)^2)
g(t)==sin(t)*cos(t)/(1+sin(t)^2)
c(t)==curve(f(t),g(t))
d:=draw(c(t)),t = -%pi..%pi, [title "Lemniscate of Bernoulli"])
close(d)
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