Class: Finance::Calculations::Function Private

Inherits:
Object
  • Object
show all
Defined in:
lib/finance/calculations.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. For more details, see Bigdecimal::Newton.

Instance Method Summary collapse

Constructor Details

#initialize(values) ⇒ 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.



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# File 'lib/finance/calculations.rb', line 112

def initialize(values)
  @zero   = BigDecimal("0.0")
  @one    = BigDecimal("1.0")
  @two    = BigDecimal("2.0")
  @ten    = BigDecimal("10.0")
  @eps    = BigDecimal("1.0e-16")
  @values = values
end

Instance Method Details

#eps ⇒ 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. 



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# File 'lib/finance/calculations.rb', line 125

def eps ; @eps;  end

#one ⇒ 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. 



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# File 'lib/finance/calculations.rb', line 122

def one ; @one;  end

#ten ⇒ 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. 



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# File 'lib/finance/calculations.rb', line 124

def ten ; @ten;  end

#two ⇒ 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. 



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# File 'lib/finance/calculations.rb', line 123

def two ; @two;  end

#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. 



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# File 'lib/finance/calculations.rb', line 127

def values(x); [Finance::Calculations.npv(x[0], @values)]; end

#zero ⇒ 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. 



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# File 'lib/finance/calculations.rb', line 121

def zero; @zero; end