Merge branch 'master' of github.com:clbustos/statsample

Updating upstream
clbustos · Dec 13, 2014 · 5fbbcae · 5fbbcae
2 parents a9f73dd + 0e55992
commit 5fbbcae
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diff --git a/lib/statsample.rb b/lib/statsample.rb
@@ -241,7 +241,7 @@ def self.nice(s,e) # :nodoc:
       min = reverse ? e : s
       max = reverse ? s : e
       span=max-min
-      return [s, e] if (!span or (span.respond_to? :infinite? and span.infinite?))
+      return [s, e] if (span == 0 or (span.respond_to? :infinite? and span.infinite?))
 
       step=10**((Math::log(span).quo(Math::log(10))).round - 1).to_f  
       out=[(min.quo(step)).floor * step, (max.quo(step)).ceil * step]

diff --git a/test/test_histogram.rb b/test/test_histogram.rb
@@ -100,6 +100,13 @@ class StatsampleHistogramTestCase < MiniTest::Unit::TestCase
       assert_equal(2,h.sum(1,4))
 
     end
+    should "not raise exception when all values equal" do
+      assert_nothing_raised do
+        a = [5,5,5,5,5,5].to_scale
+        h=Statsample::Graph::Histogram.new(a)
+        h.to_svg
+      end
+    end
 
   end
 end