From f437d4ab4d17d80f5d422dfd727bd7834cb4256c Mon Sep 17 00:00:00 2001
From: Hans Dembinski <hans.dembinski@gmail.com>
Date: Sat, 16 Jul 2016 22:07:52 -0400
Subject: [PATCH] missing header

---
 include/boost/histogram/storage.hpp | 37 +++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 include/boost/histogram/storage.hpp

diff --git a/include/boost/histogram/storage.hpp b/include/boost/histogram/storage.hpp
new file mode 100644
index 00000000..4c8aba51
--- /dev/null
+++ b/include/boost/histogram/storage.hpp
@@ -0,0 +1,37 @@
+// Copyright 2015-2016 Hans Dembinski
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt
+// or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef _BOOST_HISTOGRAM_STORAGE_HPP_
+#define _BOOST_HISTOGRAM_STORAGE_HPP_
+
+#include <vector>
+
+namespace boost {
+namespace histogram {
+
+  template <typename T>
+  struct static_storage {
+    std::vector<T> data_;
+    typedef T value_t;
+    typedef T variance_t;
+    std::size_t size() const { return data_.size(); }
+    void allocate(std::size_t n) { data_.resize(n, 0); }
+    void increase(std::size_t i) { ++(data_[i]); }
+    value_t value(std::size_t i) const { return data_[i]; }
+    variance_t variance(std::size_t i) const { return data_[i]; }
+    bool operator==(const static_storage& other) const
+    { return data_ == other.data_; }
+    void operator+=(const static_storage& other)
+    {
+      for (std::size_t i = 0, n = size(); i < n; ++i)
+        data_[i] += other.data_[i];
+    }
+  };
+
+}
+}
+
+#endif