Merge pull request #18 from Paprikas/fix-argument-error-issue-13

#13 Rescue from ArgumentError when passing string into BigDecimal.new

Author: andrew

lib/split/export.rb

@@ -8,6 +8,8 @@ module Export
 
     def round(number, precision = 2)
       BigDecimal.new(number.to_s).round(precision).to_f
+    rescue ArgumentError
+      0.0
     end
 
     # this method calculates the z_score for an alternative including all goals. This behavior should