Module: VectorSpace::Family::ClassMethods

Defined in:
lib/vector_space/family.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#index ⇒ Object (readonly)

Returns the value of attribute index.



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# File 'lib/vector_space/family.rb', line 12

def index
  @index
end

Instance Method Details

#components ⇒ Object 



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# File 'lib/vector_space/family.rb', line 19

def components
  [index] + super
end

#indexed_by(index, options = {}) ⇒ Object 



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# File 'lib/vector_space/family.rb', line 14

def indexed_by(index, options = {})
  @index = index
  (@component_reflections ||= {})[index] = IndexReflection.new(index, options)
end

#zero(attributes = {}) ⇒ Object 



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# File 'lib/vector_space/family.rb', line 23

def zero(attributes = {})
  new Hash[[[index, attributes[index] || reflect_on_component(index).default]] + dimensions.map { |dimension| [dimension, reflect_on_component(dimension).zero] }]
end