[add] added getter for int_to_double_conversion_ratio. exteded test_jHiccup_v2_log()

Author: filipecosta90

hdrh/histogram.py

@@ -574,6 +574,9 @@ def decode(encoded_histogram, b64_wrap=True):
     def get_word_size(self):
         return self.word_size
 
+    def get_int_to_double_conversion_ratio(self):
+        return self.int_to_double_conversion_ratio
+
     def output_percentile_distribution(self,
                                        out_file,
                                        output_value_unit_scaling_ratio,

test/test_hdrhistogram.py

@@ -618,6 +618,8 @@ def test_jHiccup_v2_log():
             accumulated_histogram.add(decoded_histogram)
             # These logs use 8 byte counters
             assert decoded_histogram.get_word_size() == 8
+            # These logs use the default 1.0 conversion ratio
+            assert decoded_histogram.get_int_to_double_conversion_ratio() == 1.0
         for statement in target_numbers:
             assert eval(statement) == target_numbers[statement]