Class: Finrb::Cashflow::Function Private

Inherits:
Object
  • Object
show all
Defined in:
lib/finrb/cashflows.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Base class for working with Newton’s Method.

API:

  • private

Instance Method Summary collapse

Constructor Details

#initialize(transactions, function) ⇒ Function

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Function.

API:

  • private



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# File 'lib/finrb/cashflows.rb', line 28

def initialize(transactions, function)
  @transactions = transactions
  @function = function
end

Instance Method Details

#values(x) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/finrb/cashflows.rb', line 33

def values(x)
  value = @transactions.public_send(@function, Flt::DecNum.new(x.first.to_s))
  begin
    [BigDecimal(value.to_s)]
  rescue ArgumentError
    [0]
  end
end