/usr/share/doc/ruby-gsl/examples/vector/zip.rb is in ruby-gsl 2.1.0.3+dfsg1-1build1.
This file is owned by root:root, with mode 0o644.
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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 26 27 28 29 30 31 32 33 34 | #!/usr/bin/env ruby
# Turn on warnings
$-w = true
require 'irb/xmp'
require 'gsl'
# Apparently, IRB::Frame has a bug that prevents the defaults from working, so
# an XMP instance must be created explicitly this way instead of using the
# otherwise convenient xmp method.
XMP.new(IRB::Frame.top(-1)).puts <<END
# Create three test vectors of varying lengths
a = GSL::Vector[0..4]
b = GSL::Vector[2, 3, 4]
c = GSL::Vector[5, 7, 4, 8, 9, 2]
# Zip them together using Vector#zip
a.zip(b, c)
# Zip them together using GSL::Vector.zip
GSL::Vector.zip(a, b, c)
# Convert test Vectors to Vector::Complex
aa = a.to_complex
bb = b.to_complex
cc = c.to_complex
# Zip Vector::Complex objects together using Vector::Complex#zip
aa.zip(bb, cc)
# Zip Vector::Complex objects together using GSL::Vector::Complex.zip
GSL::Vector::Complex.zip(aa, bb, cc)
END
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