Class: Numeric

Inherits:
Object show all
Defined in:
lib/darkext/numeric.rb

Instance Method Summary collapse

Instance Method Details

#cube ⇒ Object

Cube the number



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# File 'lib/darkext/numeric.rb', line 10

def cube
  self.square * self
end

#ln ⇒ Object

Finds the log base e of the number



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# File 'lib/darkext/numeric.rb', line 27

def ln
  Math::log(self)
end

#log ⇒ Object

Finds the log base 10 of the number



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# File 'lib/darkext/numeric.rb', line 32

def log
  Math::log10(self)
end

#root(n = 2) ⇒ Object

Do some other roots



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# File 'lib/darkext/numeric.rb', line 20

def root(n = 2)
  return self if 1 == n
  return self.sqrt if 2 == n
  self ** (1 / n.to_f)
end

#sqrt ⇒ Object

Finds the square root of the number



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# File 'lib/darkext/numeric.rb', line 15

def sqrt
  Math.sqrt(self)
end

#square ⇒ Object

Squares the number



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# File 'lib/darkext/numeric.rb', line 5

def square
  self * self
end