Module: MathStatisticsArrayMethods::IntegerFactorial
- Included in:
- Integer
- Defined in:
- lib/math_statistics_array_methods/integer_factorial.rb
Overview
Will add the factorial method to the integers.
Instance Method Summary collapse
-
#factorial ⇒ Object
Classic factorial.
Instance Method Details
#factorial ⇒ Object
Classic factorial.
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# File 'lib/math_statistics_array_methods/integer_factorial.rb', line 11 def factorial f = 1 for i in 1..self do f *= i end return f end |