Module: Math

Defined in:
lib/mark_facets/ruby/math.rb

Class Method Summary collapse

Class Method Details

.log2(x) ⇒ Object 



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# File 'lib/mark_facets/ruby/math.rb', line 3

def self.log2(x)
   self.logBase(x, 2.0)
end

.logBase(x, base) ⇒ Object 



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# File 'lib/mark_facets/ruby/math.rb', line 7

def self.logBase(x, base)
  self.log(x) / self.log(base)
end

.max(a, b) ⇒ Object 



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# File 'lib/mark_facets/ruby/math.rb', line 15

def self.max(a, b)
   a > b ? a : b
end

.min(a, b) ⇒ Object 



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# File 'lib/mark_facets/ruby/math.rb', line 11

def self.min(a, b)
   a < b ? a : b
end

.percentage(n1, n2) ⇒ Object 



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# File 'lib/mark_facets/ruby/math.rb', line 19

def self.percentage(n1, n2)
  return 0 if n2 == 0 || n1 == 0
  p = ((n2.to_f / n1.to_f) * 100)
  return p
end