diff --git a/rtengine/cubic.cc b/rtengine/cubic.cc
index ba3600ab8..0f7eae483 100644
--- a/rtengine/cubic.cc
+++ b/rtengine/cubic.cc
@@ -1,35 +1,23 @@
-/*
- *  This file is part of RawTherapee.
- *
- *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
- *
- *  RawTherapee 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.
- * 
- *  RawTherapee 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 RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
- */
 /* Copyright (C) 1997-2001 Ken Turkowski. <turk_at_computer.org>
  *
- * All rights reserved.
- *
- * Warranty Information
- *  Even though I have reviewed this software, I make no warranty
- *  or representation, either express or implied, with respect to this
- *  software, its quality, accuracy, merchantability, or fitness for a
- *  particular purpose.  As a result, this software is provided "as is,"
- *  and you, its user, are assuming the entire risk as to its quality
- *  and accuracy.
- *
- * This code may be used and freely distributed as long as it includes
- * this copyright notice and the above warranty information.
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
 #include <math.h>