module Spark
Constants
- Bars
Public Class Methods
draw(*values)
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# File lib/spark.rb, line 8 def draw(*values) min = values.min f = [((values.max - min) << 8) / (Bars.length - 1), 1].max ret = '' values.each do |val| ret << Bars[((val - min) << 8) / f] end ret end