fixed: extended encoding fails if the max value is zero [Graeme Stuart]

cgriego · Jul 20, 2009 · be3736c · be3736c
1 parent 799a787
commit be3736c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/gchart.rb b/lib/gchart.rb
@@ -431,7 +431,7 @@ def convert_to_extended_value(number)
   def extended_encoding
     @max_value = dataset.compact.map{|ds| ds.compact.max}.max if @max_value == 'auto'
 
-    if @max_value == false || @max_value == 'false' || @max_value == :false
+    if @max_value == false || @max_value == 'false' || @max_value == :false || @max_value == 0
       "e:" +  dataset.map { |ds| ds.map { |number| number.nil? ? '__' : convert_to_extended_value(number)}.join }.join(',')
     else
       "e:" + dataset.map { |ds| ds.map { |number| number.nil? ? '__' : convert_to_extended_value( (@@ext_pairs.size - 1) * number / @max_value) }.join }.join(',')