lokeshh

lokeshh:~/workspace/daru_rails (master) $ rails console
Running via Spring preloader in process 3882
Loading development environment (Rails 4.2.6)
2.3.0 :001 > Nyaplot::Plot.new
NameError: uninitialized constant Layers
        from /usr/local/rvm/gems/ruby-2.3.0/bundler/gems/nyaplot-06083fa83b2d/lib/nyaplot/plot.rb:50:in `initialize'
        from (irb):1:in `new'
        from (irb):1
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.6/lib/rails/commands/console.rb:110:in `start'
        from /usr/local/rvm/gems/ruby-2.3.0/gems/railties-4.2.6/lib/rails/commands/console.rb:9:in `start'

lokeshh

[1] pry(main)> dv = Daru::Vector.new ['third', 'third', 'first', 'second'], type: :category
=> #<Daru::Vector(4)>
      0  third
      1  third
      2  first
      3 second
[2] pry(main)> dv.order
=> ["third", "first", "second"]
[3] pry(main)> dv.order = ['first', 'second', 'thrd']      
ArgumentError: The contents of new and old order must be the same.

lokeshh

require 'memory_profiler'
require 'daru'

array1 = (300.times.map { ('a'..'z').to_a.shuffle }).to_a

array2 = ['a'*26]*100 + ['b'*26]*100 + ['c'*26]*100

report = MemoryProfiler.report do
  a = Daru::Index.new array1

lokeshh

lokeshh:~/workspace/daru (rake_task) $ rspec spec/ -r ./formatter.rb -f SimpleFormatter
Rserve: no process found
/usr/lib/R/bin/Rcmd: 62: exec: Rserve: not found
Rserve: no process found
/usr/lib/R/bin/Rcmd: 62: exec: Rserve: not found

Failures:

  1) Daru rserve extension Daru::Vector#to_REXP converts to and from R data
     Got 0 failures and 2 other errors:

lokeshh

pry -r '/home/ubuntu/workspace/daru/lib/daru.rb'
[1] pry(main)> i = Daru::Vector.new [1, 2, 3, nil], dtype: :nmatrix, nm_dtype: :object
=> #<Daru::Vector(4)>
   0   1
   1   2
   2   3
   3 nil
[2] pry(main)> i = Daru::Vector.new [1, 2, 3, nil], dtype: :nmatrix
TypeError: no implicit conversion from nil to integer
from /home/ubuntu/workspace/daru/lib/daru/accessors/nmatrix_wrapper.rb:28:in `initialize'

lokeshh

source 'https://rubygems.org'
gemspec

lokeshh

..................F...........******************************...........F...***********************....*.....*....................................../home/ubuntu/workspace/daru/lib/daru/index.rb:102: [BUG] Segmentation fault at 0x007fe1e31ce030
ruby 2.2.1p85 (2015-02-26 revision 49769) [x86_64-linux]

-- Control frame information -----------------------------------------------
c:0048 p:0021 s:0197 e:000196 METHOD /home/ubuntu/workspace/daru/lib/daru/index.rb:102
c:0047 p:0015 s:0193 e:000192 METHOD /home/ubuntu/workspace/daru/lib/daru/vector.rb:207
c:0046 p:0015 s:0188 e:000187 BLOCK  /home/ubuntu/workspace/daru/lib/daru/maths/statistics/vector.rb:373 [FINISH]
c:0045 p:---- s:0186 e:000185 IFUNC 
c:0044 p:---- s:0184 e:000183 CFUNC  :each
c:0043 p:0019 s:0181 e:000180 METHOD /home/ubuntu/.rvm/gems/ruby-2.2.1/gems/activesupport-4.2.6/lib/active_support/core_ext/range/each.rb:7 [FINISH]

lokeshh

require 'rspec/core/rake_task'
require 'bundler/gem_tasks'

lib_folder = File.expand_path("../lib", __FILE__)

RUBIES = ['ruby-2.0.0', 'ruby-2.1.1', 'ruby-2.2.1', 'jruby']

task :spec do |task|
  RUBIES.each do |ruby_v|
    `rvm use #{ruby_v}; rspec spec`

lokeshh

lokeshh:~/workspace/daru (master) $ bundle install
Fetching gem metadata from https://rubygems.org/
Fetching version metadata from https://rubygems.org/
Resolving dependencies..............
Installing rake 10.5.0
Installing i18n 0.7.0
Installing json 1.8.3
Installing minitest 5.8.4
Installing thread_safe 0.3.5
Installing builder 3.2.2

lokeshh

# Code for benchmark
require 'benchmark'

vector = Daru::Vector.new(
  10000.times.map.to_a.shuffle,
  missing_values: 100.times.map.to_a.shuffle
  )
  
Benchmark.bm do |x|
  x.report("Sum of a vector using compact") do