contexts:
  - name: "master"
    prelude: |-
      require 'bundler/setup'
      require 'enumerable/statistics'
prelude: |-
  n = 1000
  ary = Array.new(n) { rand }
benchmark:
  inject: sum = ary.inject(:+)
  while: |-
    i, sum = 0, 0
    while i < n
      sum += ary[i]
      i += 1
    end
  pure_ruby: |-
    i, f, c = 0, 0.0, 0.0, 0.0, 0.0
    while i < n
      x = ary[i]
      y = x - c
      t = f + y
      c = (t - f) - y
      f = t

      i += 1
    end
    sum = f
  sum: sum = ary.sum
