Module: RaaP::Type::Arithmetic

Defined in:
lib/raap/type.rb

Class Method Summary collapse

Class Method Details

.float ⇒ Object 



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# File 'lib/raap/type.rb', line 10

def self.float
  positive_float.then { |x| [x, -x].sample or raise }
end

.positive_float ⇒ Object 



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# File 'lib/raap/type.rb', line 14

def self.positive_float
  x = Random.rand
  x / Math.sqrt(1 - (x * x))
end