Class: Rack::Phi

Inherits:
Object
  • Object
show all
Defined in:
lib/rack-math/phi.rb

Instance Method Summary collapse

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack-math/phi.rb', line 8

def call(env)
  req = Request.new(env)
  prec = req.GET["prec"].to_i
  res = Response.new
  res.write "<title>PI</title>"
  res.write "<p>"
  res.write(((BigDecimal('5').sqrt(prec + 1) + 1) / 2).to_s("10F"))
  res.write "</p>"
  res.finish
end