Source release 17.1.0

metrics/include/distribution.h

@@ -1,16 +1,17 @@
-// Copyright 2017 Google Inc. All Rights Reserved.
+// Copyright 2017 Google LLC. All Rights Reserved. This file and proprietary
+// source code may only be used and distributed under the Widevine License
+// Agreement.
 //
 // This file contains the definition of a Distribution class which computes
 // the distribution values of a series of samples.
-
 #ifndef WVCDM_METRICS_DISTRIBUTION_H_
 #define WVCDM_METRICS_DISTRIBUTION_H_
-
 #include <stdint.h>
 
+#include <limits>
+
 namespace wvcdm {
 namespace metrics {
-
 // The Distribution class holds statistics about a series of values that the
 // client provides via the Record method. A caller will call Record once for
 // each of the values in a series. The Distribution instance will calculate the
@@ -24,7 +25,7 @@ namespace metrics {
 //   dist.Count();  // Returns 2.
 class Distribution {
  public:
-  Distribution();
+  Distribution() {}
 
   // Uses the provided sample value to update the computed statistics.
   void Record(float value);
@@ -40,14 +41,12 @@ class Distribution {
   }
 
  private:
-  uint64_t count_;
-  float min_;
-  float max_;
-  float mean_;
-  double sum_squared_deviation_;
+  uint64_t count_ = 0;
+  float min_ = std::numeric_limits<float>::max();
+  float max_ = std::numeric_limits<float>::lowest();
+  float mean_ = 0.0f;
+  double sum_squared_deviation_ = 0.0;
 };
-
 }  // namespace metrics
 }  // namespace wvcdm
-
 #endif  // WVCDM_METRICS_DISTRIBUTION_H_