Class: Indicator::AutoGen::UltOsc

Inherits:
Base
  • Object
show all
Defined in:
lib/indicator/auto_gen/ult_osc.rb

Overview

Ta-Lib function mapping class Function: ‘ULTOSC’ Description: ‘Ultimate Oscillator’ This file has been autogenerated - Do Not Edit.

Instance Attribute Summary collapse

Attributes inherited from Base

#name

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

inherited

Methods included from DataMapper

#default_getter, #default_getter=, #map, #map_ohlcv

Constructor Details

#initialize(*args) ⇒ UltOsc

Returns a new instance of UltOsc.



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# File 'lib/indicator/auto_gen/ult_osc.rb', line 13

def initialize(*args)
  if args.first.is_a? Hash
    h = args.first
    @first_period = h[:first_period] || 7
    @second_period = h[:second_period] || 14
    @third_period = h[:third_period] || 28
  else
    @first_period = args[0] || 7 
    @second_period = args[1] || 14 
    @third_period = args[2] || 28 
  end
  
  @func = TaLib::Function.new("ULTOSC")
end

Instance Attribute Details

#first_period ⇒ Object

First Period <Integer>



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# File 'lib/indicator/auto_gen/ult_osc.rb', line 7

def first_period
  @first_period
end

#second_period ⇒ Object

Second Period <Integer>



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# File 'lib/indicator/auto_gen/ult_osc.rb', line 9

def second_period
  @second_period
end

#third_period ⇒ Object

Third Period <Integer>



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# File 'lib/indicator/auto_gen/ult_osc.rb', line 11

def third_period
  @third_period
end

Class Method Details

.arguments ⇒ Object

The list of arguments



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# File 'lib/indicator/auto_gen/ult_osc.rb', line 34

def self.arguments
  [ :first_period, :second_period, :third_period ]
end

.inputs ⇒ Object

The minimum set of inputs required



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# File 'lib/indicator/auto_gen/ult_osc.rb', line 39

def self.inputs
  [ :open, :high, :low, :close ]
end

.outputs ⇒ Object

The outputs generated by this function



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# File 'lib/indicator/auto_gen/ult_osc.rb', line 44

def self.outputs
  [ :out_real ]
end

.price_input? ⇒ Boolean

Is price data required as an input

Returns:

  • (Boolean) 


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# File 'lib/indicator/auto_gen/ult_osc.rb', line 29

def self.price_input?
  true
end

Instance Method Details

#run(*args) ⇒ Object 



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# File 'lib/indicator/auto_gen/ult_osc.rb', line 48

def run(*args)
  o, h, l, c, v, len = map_ohlcv(false, *args)
  @func.in_price(0, o, h, l, c, v, nil)

  @func.opt_int(0, @first_period)
  @func.opt_int(1, @second_period)
  @func.opt_int(2, @third_period)

  out_real = Array.new(len)
  @func.out_real(0, out_real)

  @func.call(0, len - 1)

  out_real
end