Fix division by zero in asv continuous

airspeed-velocity · Jun 27, 2015 · c74a558 · c74a558
1 parent 1d84c83
commit c74a558
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/asv/commands/continuous.py b/asv/commands/continuous.py
@@ -107,7 +107,14 @@ def run(cls, conf, branch=None, base=None, factor=2.0, show_stderr=False, bench=
         table = []
         slowed_down = False
         for name, benchmark in six.iteritems(all_benchmarks):
-            change = after[name] / before[name]
+            if before[name] == 0:
+                if after[name] == 0:
+                    change = 1.0
+                else:
+                    change = float('inf')
+            else:
+                change = after[name] / before[name]
+
             if change > factor or change < 1.0 / factor:
                 table.append(
                     (change, before[name], after[name], name, benchmark))