From 0e23db7f929a6961c63a04148cb3f0949c3c4494 Mon Sep 17 00:00:00 2001
From: tayral <thomas.ayral@cpht.polytechnique.fr>
Date: Fri, 28 Feb 2014 17:25:52 +0000
Subject: [PATCH] Added constructor of observable on binned_series

---
 triqs/statistics/statistics.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/triqs/statistics/statistics.hpp b/triqs/statistics/statistics.hpp
index 01bf89f7..73726429 100644
--- a/triqs/statistics/statistics.hpp
+++ b/triqs/statistics/statistics.hpp
@@ -64,6 +64,10 @@ namespace statistics {
   value_type operator[](int i) const { return binned[i]; }
   int size() const { return binned.size(); }
 
+  std::vector<value_type> const & data() const & { return binned;}
+  std::vector<value_type> const & data() & { return binned;}
+  std::vector<value_type> data() && { return std::move(binned);}
+
   using const_iterator = typename std::vector<ValueType>::const_iterator;
   const_iterator begin() const { return binned.begin(); }
   const_iterator end() const { return binned.end(); }
@@ -171,6 +175,8 @@ namespace statistics {
   public:
   observable() { _series.reserve(1000); }
 
+  observable(binned_series<T> && s):_series(std::move(s).data()){}
+
   observable& operator<<(T x) { // copy and move : check speed ... or overload const &, &&
    _series.push_back(std::move(x));
    return *this;