From: Ruby Mode <rubymode@...>
Date: 2006-03-12T11:39:34+09:00
Subject: Re: Calling plotutils from xemacs using Ruby GSL

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Thanks Axel:

This was my output, leaving me to believe I have bigger problems, or I'm
just using IRB incorrectly:  Why would it see GSL okay but barf on the
include for GSL::Random?

Thanks for your time.

#!/usr/local/bin/ruby

require "GSL"
true
include GSL::Random
NameError: uninitialized constant GSL::Random
    from (irb):5

# Test random number distributions
# generate output suitable for graph(1) from GNU plotutils:
# ruby test/rnd3.rb | graph -Tps > g.ps

STDERR.puts "Running tests for RND(3)..."
Running tests for RND(3)...
nil

x =3D y =3D 0
0
a =3D []
[]
r =3D RNG.new
NameError: uninitialized constant RNG
    from (irb):15
puts "#m=3D1,S=3D2"
#m=3D1,S=3D2
nil
printf "%g %g\n", x, y
0 0
nil
10.times do
  a =3D RND::dir_2d(r)
  x +=3D a[0]
  y +=3D a[1]
  printf "%g %g\n", x, y
end
NameError: uninitialized constant RND
    from (irb):19
    from (irb):18

STDERR.puts "\ndone.SyntaxError: compile error
(irb):25: unterminated string meets end of file
    from (irb):25


On 3/11/06, Nuralanur@aol.com <Nuralanur@aol.com> wrote:
>
> Just guessing ...
> Maybe plotutils cannot be found because its path is not visible ?
> What happens if you run the example from
>
> _http://ruby-gsl.sourceforge.net/rnd3.html_
> (http://ruby-gsl.sourceforge.net/rnd3.html)  .
>
> If that works out ok, you could execute the graph command
> as an external command, eg. by including it in backticks or
> by calling the system command ...
>
> Best regards,
>
> Axel
>
>

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