Added spec, .gitignore and History changes

Author: clbustos

.gitignore

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+doc
+pkg

spec/minimization_unidimensional_spec.rb

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+require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
+describe Minimization::Unidimensional, "subclass" do 
+ before(:all) do
+ @p1=rand(100)
+ @p2=rand(100)
+ @func=lambda {|x| (x-@p1)**2+@p2}
+ @funcd=lambda {|x| 2*(x-@p1)}
+ @funcdd=lambda {|x| 2}
+ end
+ 
+ describe Minimization::NewtonRaphson do
+ before do
+ @min = Minimization::NewtonRaphson.new(-1000,1000, @func,@funcd, @funcdd)
+ @min.iterate
+ end
+ it "#x_minimum be close to expected" do 
+ @min.x_minimum.should be_close(@p1,@min.epsilon)
+ end
+ it "#f_minimum ( f(x)) be close to expected" do 
+ @min.f_minimum.should be_close(@p2,@min.epsilon)
+ end
+ context "#log" do
+ subject {@min.log}
+ it {should be_instance_of Array}
+ it {should respond_to :to_table}
+ end
+ end
+ 
+ 
+ describe Minimization::GoldenSection do
+ before do
+ @min = Minimization::GoldenSection.minimize(-1000,1000, &@func)
+ end
+ it "#x_minimum be close to expected" do 
+ @min.x_minimum.should be_close(@p1,@min.epsilon)
+ end
+ it "#f_minimum ( f(x)) be close to expected" do 
+ @min.f_minimum.should be_close(@p2,@min.epsilon)
+ end
+ context "#log" do
+ subject {@min.log}
+ it {should be_instance_of Array}
+ it {should respond_to :to_table}
+ end
+ end
+ describe Minimization::Brent do
+ before do
+ @min = Minimization::Brent.minimize(-1000,1000, &@func)
+ end
+ it "should x be correct" do 
+ @min.x_minimum.should be_close(@p1,@min.epsilon)
+ end
+ it "should f(x) be correct" do 
+ @min.f_minimum.should be_close(@p2,@min.epsilon)
+ end
+ context "#log" do
+ subject {@min.log}
+ it {should be_instance_of Array}
+ it {should respond_to :to_table}
+ end
+ end
+end

spec/spec.opts

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+--color
+-f s

spec/spec_helper.rb

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+$LOAD_PATH.unshift(File.dirname(__FILE__))
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+require 'minimization.rb'
+require 'spec'
+require 'spec/autorun'
+
+Spec::Runner.configure do |config|
+ 
+end
+
+class String
+ def deindent
+ gsub /^[ \t]*/, ''
+ end
+end