Class: Carbuncle::Matrix::Line

Inherits:
Object
  • Object
show all
Includes:
Vectorizable
Defined in:
gems/carbuncle-math/mrblib/matrix.rb

Overview

A line is a row or column of a matrix.

Direct Known Subclasses

Column, Row

Constant Summary

Constants included from Vectorizable

Vectorizable::CLASS

Constants included from Enumerable

Enumerable::NONE

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Vectorizable

#%, #*, #**, #+, #-, #-@, #/, #<<, #>>, #each, #length, #to_s

Methods included from Enumerable

__update_hash, #all?, #any?, #chain, #collect, #count, #cycle, #detect, #drop, #drop_while, #each_cons, #each_slice, #each_with_index, #each_with_object, #entries, #filter_map, #find_all, #find_index, #first, #flat_map, #grep, #group_by, #hash, #include?, #inject, #lazy, #max, #max_by, #min, #min_by, #minmax, #minmax_by, #none?, #one?, #partition, #reject, #reverse_each, #sort, #sort_by, #sum, #take, #take_while, #tally, #to_h, #uniq, #zip

Constructor Details

#initialize(matrix, index, vertical) ⇒ Line

Returns a new instance of Line.



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# File 'gems/carbuncle-math/mrblib/matrix.rb', line 14

def initialize(matrix, index, vertical)
  @matrix = matrix
  @index = index
  @indexes =
    Array.new(4) do |v|
      vertical ? [index, v] : [v, index]
    end
end

Instance Attribute Details

#matrix ⇒ Object (readonly)

Returns the value of attribute matrix.



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# File 'gems/carbuncle-math/mrblib/matrix.rb', line 12

def matrix
  @matrix
end

Instance Method Details

#[](index) ⇒ Object 



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# File 'gems/carbuncle-math/mrblib/matrix.rb', line 23

def [](index)
  i, j = @indexes[index]
  matrix[i, j]
end

#[]=(index, value) ⇒ Object 



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# File 'gems/carbuncle-math/mrblib/matrix.rb', line 28

def []=(index, value)
  i, j = @indexes[index]
  matrix[i, j] = value
end

#inspect ⇒ Object 



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# File 'gems/carbuncle-math/mrblib/matrix.rb', line 40

def inspect
  "#{self.class.name}[#{@index}](#{to_a.join(', ')})"
end

#size ⇒ Object 



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# File 'gems/carbuncle-math/mrblib/matrix.rb', line 44

def size
  4
end

#to_a ⇒ Object 



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# File 'gems/carbuncle-math/mrblib/matrix.rb', line 33

def to_a
  @indexes.map do |indexes|
    i, j = indexes
    matrix[i, j]
  end
end