1 files changed, 38 insertions, 0 deletions
diff --git a/src/util/stats_utils.cpp b/src/util/stats_utils.cpp
new file mode 100644
index 000000000..893afcb4c
--- /dev/null
+++ b/src/util/stats_utils.cpp
@@ -0,0 +1,38 @@
+/*********************                                                        */
+/*! \file stats_utils.cpp
+ ** \verbatim
+ ** Top contributors (to current version):
+ **   Gereon Kremer
+ ** This file is part of the CVC4 project.
+ ** Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
+ ** in the top-level source directory and their institutional affiliations.
+ ** All rights reserved.  See the file COPYING in the top-level source
+ ** directory for licensing information.\endverbatim
+ **
+ ** \brief Statistic utilities
+ **
+ ** Statistic utilities
+ **/
+
+#include "util/stats_utils.h"
+
+#include <chrono>
+#include <iomanip>
+#include <iostream>
+
+#include "util/ostream_util.h"
+#include "util/stats_timer.h"
+
+namespace CVC4 {
+
+std::ostream& operator<<(std::ostream& os,
+                         const timer_stat_detail::duration& dur)
+{
+  StreamFormatScope format_scope(os);
+
+  return os << (dur / std::chrono::seconds(1)) << "." << std::setfill('0')
+            << std::setw(9) << std::right
+            << (dur % std::chrono::seconds(1)).count();
+}
+
+}  // namespace CVC4