gigasecond: initial commit and iteration 1

cpp/gigasecond/gigasecond.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#define EXERCISM_RUN_ALL_TESTS
+
+#include <boost/date_time/gregorian/gregorian.hpp>
+
+
+namespace gigasecond {
+
+typedef boost::gregorian::date              date_t;
+typedef boost::gregorian::date_duration     date_duration_t;
+
+static inline date_t advance(date_t date)
+{
+    return date + date_duration_t(1000000000 / (60*60*24));
+}
+
+}