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tests/generate-data.rb

 

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# Copyright 2010 by Vincent Fourmond

 

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#

 

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# This small script generates the data files used for ctioga2's tests

 

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# based on reading data files.

 

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#

 

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# This file can be distributed under the same terms as ctioga2 itself.

 

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File.open("3d-data.dat",'w') do |f|

 

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  nb = 51

 

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  nb.times do |i|

 

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    x = 3 * (i - nb/2)/(nb/2 * 1.0)

 

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    nb.times do |j|

 

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      y = 3 * (j - nb/2)/(nb/2 * 1.0)

 

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      f.puts "#{x}\t#{y}\t#{(x**2 + y**2) * Math.exp(-x**2 - y**2)}"

 

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    end

 

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  end

 

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end

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