merge paul's extractor code

1 files changed, 19 insertions, 0 deletions

diff --git a/extractor/time_util.h b/extractor/time_util.h
new file mode 100644
index 00000000..f7fd51d3
--- /dev/null
+++ b/extractor/time_util.h
@@ -0,0 +1,19 @@
+#ifndef _TIME_UTIL_H_
+#define _TIME_UTIL_H_
+
+#include <chrono>
+
+using namespace std;
+using namespace chrono;
+
+namespace extractor {
+
+typedef high_resolution_clock Clock;
+
+// Computes the duration in seconds of the specified time interval.
+double GetDuration(const Clock::time_point& start_time,
+                   const Clock::time_point& stop_time);
+
+} // namespace extractor
+
+#endif