File: generate-data.rb

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# Copyright 2010 by Vincent Fourmond
#
# This small script generates the data files used for ctioga2's tests
# based on reading data files.
#
# This file can be distributed under the same terms as ctioga2 itself.

File.open("3d-data.dat",'w') do |f|
  nb = 51
  nb.times do |i|
    x = 3 * (i - nb/2)/(nb/2 * 1.0)
    nb.times do |j|
      y = 3 * (j - nb/2)/(nb/2 * 1.0)
      f.puts "#{x}\t#{y}\t#{(x**2 + y**2) * Math.exp(-x**2 - y**2)}"
    end
  end
end