From f5f45d751c151b6e28e24905c99248973990bffa Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Mon, 1 Oct 2007 17:07:38 +0000
Subject: [PATCH] Move the meta loop unrolling to a separate file, Loop.h

---
 src/internal/Loop.h   | 54 +++++++++++++++++++++++++++++++++++++++++++
 src/internal/Object.h | 27 +---------------------
 2 files changed, 55 insertions(+), 26 deletions(-)
 create mode 100644 src/internal/Loop.h

diff --git a/src/internal/Loop.h b/src/internal/Loop.h
new file mode 100644
index 000000000..b68982ab7
--- /dev/null
+++ b/src/internal/Loop.h
@@ -0,0 +1,54 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra. Eigen itself is part of the KDE project.
+//
+// Copyright (C) 2007 Michael Olbrich <michael.olbrich@gmx.net>
+//
+// Eigen 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 2 or (at your option) any later version.
+//
+// Eigen 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 Eigen; if not, write to the Free Software Foundation, Inc., 51
+// Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. This exception does not invalidate any other reasons why a work
+// based on this file might be covered by the GNU General Public License.
+
+#ifndef EI_LOOP_H
+#define EI_LOOP_H
+
+template<int UnrollCount, int Rows> class EiLoop
+{
+    static const int col = (UnrollCount-1) / Rows;
+    static const int row = (UnrollCount-1) % Rows;
+
+  public:
+    template <typename Derived1, typename Derived2>
+    static void copy(Derived1 &dst, const Derived2 &src)
+    {
+      EiLoop<UnrollCount-1, Rows>::copy(dst, src);
+      dst.write(row, col) = src.read(row, col);
+    }
+};
+
+template<int Rows> class EiLoop<0, Rows>
+{
+  public:
+    template <typename Derived1, typename Derived2>
+    static void copy(Derived1 &dst, const Derived2 &src)
+    {
+      EI_UNUSED(dst);
+      EI_UNUSED(src);
+    }
+};
+
+#endif //EI_LOOP_H
diff --git a/src/internal/Object.h b/src/internal/Object.h
index de33c84c0..6eec83e39 100644
--- a/src/internal/Object.h
+++ b/src/internal/Object.h
@@ -2,7 +2,6 @@
 // for linear algebra. Eigen itself is part of the KDE project.
 //
 // Copyright (C) 2006-2007 Benoit Jacob <jacob@math.jussieu.fr>
-// Copyright (C) 2007      Michael Olbrich <michael.olbrich@gmx.net>
 //
 // Eigen 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
@@ -28,31 +27,7 @@
 #define EI_OBJECT_H
 
 #include "Util.h"
-
-template<int UnrollCount, int Rows> class EiLoop
-{
-    static const int col = (UnrollCount-1) / Rows;
-    static const int row = (UnrollCount-1) % Rows;
-
-  public:
-    template <typename Derived1, typename Derived2>
-    static void copy(Derived1 &dst, const Derived2 &src)
-    {
-      EiLoop<UnrollCount-1, Rows>::copy(dst, src);
-      dst.write(row, col) = src.read(row, col);
-    }
-};
-
-template<int Rows> class EiLoop<0, Rows>
-{
-  public:
-    template <typename Derived1, typename Derived2>
-    static void copy(Derived1 &dst, const Derived2 &src)
-    {
-      EI_UNUSED(dst);
-      EI_UNUSED(src);
-    }
-};
+#include "Loop.h"
 
 template<typename Scalar, typename Derived> class EiObject
 {