Class: Abst::Vector

Inherits:
Object
  • Object
show all
Defined in:
lib/include/vector.rb

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(coef) ⇒ Vector

Returns a new instance of Vector.

Raises:



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# File 'lib/include/vector.rb', line 20

def initialize(coef)
	raise VectorSizeError unless coef.size == self.class.size
	@coef = coef.to_a
end

Class Attribute Details

.coef_class ⇒ Object (readonly)

Returns the value of attribute coef_class.



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# File 'lib/include/vector.rb', line 6

def coef_class
  @coef_class
end

.size ⇒ Object (readonly)

Returns the value of attribute size.



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# File 'lib/include/vector.rb', line 6

def size
  @size
end

Class Method Details

.inspect ⇒ Object 



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# File 'lib/include/vector.rb', line 12

def inspect
	return to_s
end

.to_s ⇒ Object 



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# File 'lib/include/vector.rb', line 8

def to_s
	return "#{size} length #{self.coef_class} Vector"
end

Instance Method Details

#+(other) ⇒ Object

Raises:



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# File 'lib/include/vector.rb', line 25

def +(other)
	raise VectorSizeError unless self.size == other.size
	return self.class.new(self.coef.zip(other.coef).map{|a, b| a + b})
end

#-(other) ⇒ Object

Raises:



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# File 'lib/include/vector.rb', line 30

def -(other)
	raise VectorSizeError unless self.size == other.size
	return self.class.new(self.coef.zip(other.coef).map{|a, b| a - b})
end

#==(other) ⇒ Object 



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# File 'lib/include/vector.rb', line 35

def ==(other)
	return @coef == other.to_a
end

#[](index) ⇒ Object 



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# File 'lib/include/vector.rb', line 55

def [](index)
	return @coef[index]
end

#each ⇒ Object 



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# File 'lib/include/vector.rb', line 43

def each
	return Enumerator.new(self) unless block_given?

	@coef.each do |i|
		yield i
	end
end

#inspect ⇒ Object 



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# File 'lib/include/vector.rb', line 67

def inspect
	return "#{self.class}\n#{self}"
end

#size ⇒ Object 



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# File 'lib/include/vector.rb', line 39

def size
	return self.class.size
end

#squared_length ⇒ Object 



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# File 'lib/include/vector.rb', line 51

def squared_length
	return self.coef.map{|i| i ** 2}.inject(&:+)
end

#to_a ⇒ Object 



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# File 'lib/include/vector.rb', line 59

def to_a
	return @coef.dup
end

#to_s ⇒ Object 



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# File 'lib/include/vector.rb', line 63

def to_s
	return @coef.to_s
end