Class: Array

Inherits:
Object show all
Defined in:
lib/lib/helper/lib/array.rb

Instance Method Summary collapse

Instance Method Details

#*(x) ⇒ Object 



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# File 'lib/lib/helper/lib/array.rb', line 21

def *(x)
  if (x.is_a? Vector rescue false)
    (Matrix[self] * x)[0]
  else
    old_x x
  end
end

#^(other) ⇒ Object

exclusive elements



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# File 'lib/lib/helper/lib/array.rb', line 6

def ^(other)
  (self - other) | (other - self)
end

#combine(other, op = nil) ⇒ Object

new array from two arrays.



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# File 'lib/lib/helper/lib/array.rb', line 10

def combine(other, op=nil)
  return [] if self.empty? || other.empty?
  clipped = self[0..other.length-1]
  zipped = clipped.zip(other)
  if op
    zipped.map { |a, b| a.send(op, b) }
  else
    zipped.map { |a, b| yield(a, b) }
  end
end

#numbers! ⇒ Object

TODO Rewrite/Rename these:



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# File 'lib/lib/helper/lib/array.rb', line 32

def numbers!
  i = length - 1
  self.reverse_each do |elem|
    if elem.is_a? Array
      self[i] = elem.numbers!
    else
      elem.numeric? ? self[i] = Float(elem):self.delete_at(i)
    end
    i -= 1
  end
  return self
end

#numerify! ⇒ Object 



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# File 'lib/lib/helper/lib/array.rb', line 44

def numerify!
  self.each_index do |i|
    if self[i].is_a? Array
      self[i] = self[i].numerify!
    else
      self[i] = Float(self[i]) if self[i].numeric?
    end
  end
  return self
end

#old_x ⇒ Object 



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# File 'lib/lib/helper/lib/array.rb', line 20

alias :old_x :*

#to_v ⇒ Object 



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# File 'lib/lib/helper/lib/array.rb', line 28

def to_v
  Vector[*self]
end