Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/technical_graph/array.rb

Overview

Additional methods for array stackoverflow.com/questions/1341271/average-from-a-ruby-array

Instance Method Summary collapse

Instance Method Details

#clone_partial_w_fill(_from, _to) ⇒ Object

Create partial array and fill with border values if needed



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# File 'lib/technical_graph/array.rb', line 16

def clone_partial_w_fill(_from, _to)
  part_array = Array.new
  # border = false

  (_from.._to).each do |current_i|
    # outside ranges
    if current_i < 0
      part_array << self.first
      # border = true
      next
    end

    if self.size <= current_i
      part_array << self.last
      # border = true
      next
    end

    part_array << self[current_i]
  end

  return part_array
end

#float_mean ⇒ Object 



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# File 'lib/technical_graph/array.rb', line 11

def float_mean
  float_sum / size
end

#float_sum ⇒ Object 



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# File 'lib/technical_graph/array.rb', line 7

def float_sum
  inject(0.0) { |result, el| result + el }
end