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Class: Matrix::Scalar

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Numeric
Instance Chain:
self, CoercionHelper, ::ExceptionForMatrix, Numeric
Inherits: Numeric
  • Object
Defined in: lib/matrix.rb

Overview

Private CLASS

Class Method Summary

Instance Method Summary

CoercionHelper - Included

#apply_through_coercion

Applies the operator oper with argument obj through coercion of obj

Constructor Details

.new(value) ⇒ Scalar

[ GitHub ] 

  


# File 'lib/matrix.rb', line 1837



def initialize(value)
  @value = value
end


  







Instance Method Details



  

    #*(other)  
  

  [ GitHub ]


  

  


# File 'lib/matrix.rb', line 1864



def *(other)
  case other
  when Numeric
    Scalar.new(@value * other)
  when Vector, Matrix
    other.collect{|e| @value * e}
  else
    apply_through_coercion(other, __method__)
  end
end


  








  

    #**(other)  
  

  [ GitHub ]


  

  


# File 'lib/matrix.rb', line 1888



def **(other)
  case other
  when Numeric
    Scalar.new(@value ** other)
  when Vector
    raise ErrOperationNotDefined, ["**", @value.class, other.class]
  when Matrix
    #other.powered_by(self)
    raise ErrOperationNotImplemented, ["**", @value.class, other.class]
  else
    apply_through_coercion(other, __method__)
  end
end


  








  

    #+(other)  
  



  

    

ARITHMETIC


  



  [ GitHub ]


  

  


# File 'lib/matrix.rb', line 1842



def +(other)
  case other
  when Numeric
    Scalar.new(@value + other)
  when Vector, Matrix
    raise ErrOperationNotDefined, ["+", @value.class, other.class]
  else
    apply_through_coercion(other, __method__)
  end
end


  








  

    #-(other)  
  

  [ GitHub ]


  

  


# File 'lib/matrix.rb', line 1853



def -(other)
  case other
  when Numeric
    Scalar.new(@value - other)
  when Vector, Matrix
    raise ErrOperationNotDefined, ["-", @value.class, other.class]
  else
    apply_through_coercion(other, __method__)
  end
end


  








  

    #/(other)  
  

  [ GitHub ]


  

  


# File 'lib/matrix.rb', line 1875



def /(other)
  case other
  when Numeric
    Scalar.new(@value / other)
  when Vector
    raise ErrOperationNotDefined, ["/", @value.class, other.class]
  when Matrix
    self * other.inverse
  else
    apply_through_coercion(other, __method__)
  end
end