Class: FastMatrix::Scalar

Inherits:
Numeric
  • Object
show all
Defined in:
lib/scalar.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value) ⇒ Scalar

Returns a new instance of Scalar.



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# File 'lib/scalar.rb', line 45

def initialize(value)
  @value = value
end

Instance Attribute Details

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/scalar.rb', line 43

def value
  @value
end

Instance Method Details

#*(other) ⇒ Object 



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# File 'lib/scalar.rb', line 67

def *(other)
  case other
  when Vector, Matrix
    other * @value
  else
    Scalar.new(@value * other)
  end
end

#**(other) ⇒ Object 



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# File 'lib/scalar.rb', line 87

def **(other)
  case other
  when Vector, Matrix
    raise OperationNotDefinedError, "#{@value.class}**#{other.class}"
  else
    Scalar.new(@value**other)
  end
end

#+(other) ⇒ Object 



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# File 'lib/scalar.rb', line 49

def +(other)
  case other
  when Vector, Matrix
    raise OperationNotDefinedError, "#{@value.class}+#{other.class}"
  else
    Scalar.new(@value + other)
  end
end

#-(other) ⇒ Object 



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# File 'lib/scalar.rb', line 58

def -(other)
  case other
  when Vector, Matrix
    raise OperationNotDefinedError, "#{@value.class}+#{other.class}"
  else
    Scalar.new(@value - other)
  end
end

#/(other) ⇒ Object 



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# File 'lib/scalar.rb', line 76

def /(other)
  case other
  when Vector
    raise OperationNotDefinedError, "#{@value.class}/#{other.class}"
  when Matrix
    self * other.inverse
  else
    Scalar.new(@value / other)
  end
end

#==(other) ⇒ Object 



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# File 'lib/scalar.rb', line 96

def ==(other)
  case other
  when Scalar
    other.value == @value
  else
    @value == other
  end
end

#coerce(other) ⇒ Object 



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# File 'lib/scalar.rb', line 105

def coerce(other)
  @value.coerce(other)
end