diff --git a/readvector.hpp b/readvector.hpp
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+/*===========================================================================
+//
+// File: readvector.hpp
+//
+// Created: 2011-11-30 09:35:14+0100
+//
+// Authors: Ingeborg S. Ligaarden <Ingeborg.Ligaarden@sintef.no>
+//          Jostein R. Natvig     <Jostein.R.Natvig@sintef.no>
+//          Halvor M. Nilsen      <HalvorMoll.Nilsen@sintef.no>
+//          Atgeirr F. Rasmussen  <atgeirr@sintef.no>
+//          Bård Skaflestad       <Bard.Skaflestad@sintef.no>
+//
+//==========================================================================*/
+
+
+/*
+  Copyright 2011 SINTEF ICT, Applied Mathematics.
+*/
+
+#ifndef READVECTOR_HPP_HEADER
+#define READVECTOR_HPP_HEADER
+
+
+template <typename T>
+void read_vector_from_file(const char *fn, std::vector<T>& v);
+
+#endif  /* READVECTOR_HPP_HEADER */