Module: Percentise

Defined in:
lib/percentise.rb

Overview

Percentise

Constant Summary collapse

VERSION = 
"0.1.2"

Class Method Summary collapse

Class Method Details

.diff(top, bottom) ⇒ Object 



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# File 'lib/percentise.rb', line 17

def self.diff(top, bottom)
  # if either is nil, then it is nil
  if top && bottom
    self.this(top - bottom, bottom)
  end
end

.this(top, bottom) ⇒ Object 



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# File 'lib/percentise.rb', line 6

def self.this(top, bottom)
  if top && bottom
    if bottom == 0
      top_sign = top.to_f <=> 0
      top_sign * 100.0
    else
      100.0 * top.to_f / bottom.to_f
    end
  end
end