1 files changed, 20 insertions, 0 deletions
diff --git a/cmds/statsd/src/FieldValue.cpp b/cmds/statsd/src/FieldValue.cpp
index fc1a61cac558..80ed80776829 100644
--- a/cmds/statsd/src/FieldValue.cpp
+++ b/cmds/statsd/src/FieldValue.cpp
@@ -18,6 +18,7 @@
 #include "Log.h"
 #include "FieldValue.h"
 #include "HashableDimensionKey.h"
+#include "math.h"
 
 namespace android {
 namespace os {
@@ -174,6 +175,25 @@ std::string Value::toString() const {
     }
 }
 
+bool Value::isZero() const {
+    switch (type) {
+        case INT:
+            return int_value == 0;
+        case LONG:
+            return long_value == 0;
+        case FLOAT:
+            return fabs(float_value) <= std::numeric_limits<float>::epsilon();
+        case DOUBLE:
+            return fabs(double_value) <= std::numeric_limits<double>::epsilon();
+        case STRING:
+            return str_value.size() == 0;
+        case STORAGE:
+            return storage_value.size() == 0;
+        default:
+            return false;
+    }
+}
+
 bool Value::operator==(const Value& that) const {
     if (type != that.getType()) return false;