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 This is
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 angel
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 Distributed under the BSD license as follows:
 Copyright (c) 2003-2014, University of Hertfordshire
 All rights reserved.

 Redistribution and use in source and binary forms, 
 with or without modification, are permitted provided that the following conditions are met:

    - Redistributions of source code must retain the above copyright notice, 
      this list of conditions and the following disclaimer.
    - Redistributions in binary form must reproduce the above copyright notice, 
      this list of conditions and the following disclaimer in the documentation 
      and/or other materials provided with the distribution.
    - Neither the name of the University of Hertfordshire nor the names of its contributors 
      may be used to endorse or promote products derived from this software without 
      specific prior written permission.

 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 
 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 General Information:
 Angel is the Automatic differentiation Nested Graph Elimination Library
 The main application of angel is automatic 
 differentiation, i.e. the generation of code for 
 the computation of derivatives within the OpenAD framework 
 The following people are the principal authors of the 
 current version: 
 	Peter Gottschling
	Andrew Lyons
	Uwe Naumann
	Jean Utke

 For more details about angel please visit:
   http://angellib.sourceforge.net/

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