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require File.expand_path(File.dirname(__FILE__)+"/spec_helper.rb")
require "distribution/weibull"
include ExampleWithGSL
describe Distribution::Weibull do
#shared_examples for "Weibull engine" do
it "should return correct pdf" do
Distribution::Weibull::pdf(2, 1, 1).should be_within(1e-3).of(0.13533)
end
it "should return correct cdf" do
Distribution::Weibull::cdf(2, 1, 1).should be_within(1e-3).of(0.86466)
end
it "should return correct p-value" do
Distribution::Weibull::p_value(0.86466, 1, 1).should be_within(1e-3).of(2.0)
end
#end
end
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