/usr/share/doc/ruby-gsl/examples/sort/heapsort_vector_complex.rb is in ruby-gsl 2.1.0.3+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 19 20 21 | #!/usr/bin/env ruby
require("gsl")
v = GSL::Vector::Complex.alloc(5)
v[0] = [1, 2]
v[1] = [3, 4]
v[2] = [0, 1]
v[3] = [15, 3]
v[4] = [5, 7]
p v.heapsort { |a, b|
a.abs <=> b.abs
}
p v.heapsort { |a, b|
b.abs <=> a.abs
}
p GSL.heapsort(v) { |a, b|
b.abs <=> a.abs
}
|