2 files changed, 62 insertions, 10 deletions
diff --git a/src/common/doc/main_page.h b/src/common/doc/main_page.h
index 689e7a4d..41b8ba1e 100644
--- a/src/common/doc/main_page.h
+++ b/src/common/doc/main_page.h
@@ -56,6 +56,7 @@
  * The following example requires the <a target="_blank" href="http://gmplib.org/">GNU Multiple Precision Arithmetic
  * Library</a> (GMP) and will not be built if GMP is not installed:
  * \li Persistent_cohomology/rips_multifield_persistence
+ *
  * Having GMP version 4.2 or higher installed is recommended.
  * 
  * \subsection cgal CGAL:
@@ -72,19 +73,15 @@
  * 
  * \subsection demos Demos and examples
  * To build the demos and libraries, run the following commands in a terminal:
- * \verbatim
- * cd /path-to-gudhi/
- * mkdir build
- * cd build/
- * cmake ..
- * make
- * \endverbatim
+\verbatim  cd /path-to-gudhi/
+mkdir build
+cd build/
+cmake ..
+make \endverbatim
  * 
  * \subsection testsuites Test suites
  * To test your build, run the following command in a terminal:
- * \verbatim
- * make test
- * \endverbatim
+ * \verbatim  make test \endverbatim
  * 
  * \section Contributions Bug reports and contributions
  * Please help us improving the quality of the GUDHI library. You may report bugs or suggestions to:
diff --git a/src/common/include/gudhi/allocator.h b/src/common/include/gudhi/allocator.h
new file mode 100644
index 00000000..4ede14e4
--- /dev/null
+++ b/src/common/include/gudhi/allocator.h
@@ -0,0 +1,55 @@
+/*    This file is part of the Gudhi Library. The Gudhi library
+ *    (Geometric Understanding in Higher Dimensions) is a generic C++
+ *    library for computational topology.
+ *
+ *    Author(s):       Marc Glisse
+ *
+ *    Copyright (C) 2015  INRIA Saclay - Ile de France
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ALLOCATOR_H_
+#define ALLOCATOR_H_
+
+#include <memory>
+#include <utility>
+
+namespace Gudhi {
+
+/** \private
+ * An allocator that can be used to build an uninitialized vector.
+ */
+template <class T, class Base = std::allocator<T>>
+struct no_init_allocator : Base {
+  typedef std::allocator_traits<Base> Base_traits;
+  template <class U> struct rebind {
+    typedef no_init_allocator<U, typename Base_traits::template rebind_alloc<U>> other;
+  };
+
+  // Inherit constructors.
+  using Base::Base;
+
+  // Do nothing: that's the whole point!
+  template<class P>
+  void construct(P*) noexcept {}
+
+  template<class P, class...U> void construct(P*p, U&&...u) {
+    Base_traits::construct(*(Base*)this, p, std::forward<U>(u)...);
+  }
+};
+
+}  // namespace Gudhi
+
+#endif  // ALLOCATOR_H_