1 files changed, 24 insertions, 0 deletions
diff --git a/src/clock.cc b/src/clock.cc
new file mode 100644
index 0000000..c6b5cc8
--- /dev/null
+++ b/src/clock.cc
@@ -0,0 +1,24 @@
+#include "common.hh"
+
+#include <chrono>
+#include <thread>
+
+#include "clock.hh"
+
+namespace clk {
+
+double system() {
+  return std::chrono::duration_cast<std::chrono::duration<double>>(
+      std::chrono::system_clock::now().time_since_epoch()).count();
+}
+
+double steady() {
+  return std::chrono::duration_cast<std::chrono::duration<double>>(
+      std::chrono::steady_clock::now().time_since_epoch()).count();
+}
+
+void sleep(double dur) {
+  std::this_thread::sleep_for(std::chrono::duration<double>(dur));
+}
+
+}  // namespace clock