Revision 1015

tags/admb-11.1/LICENSE.txt (revision 1015)
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Copyright (c) 2008-2013 Regents of the University of California
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AD Model Builder and associated libraries and documentations are
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provided under the general terms of the BSD License
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License:
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the University of California, Otter Research, nor
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the ADMB Foundation nor the names of its contributors may be used to
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endorse or promote products derived from this software without specific
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prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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--------------------------------------------------------------------------------
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$ID$
tags/admb-11.1/contrib/betai/linad99/eigen_dmat.cpp (revision 1015)
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/*
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 * $Id$
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 *
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 * Copyright (c) 2009-2012 ADMB foundation
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 */
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/**
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 * \file
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 * Contains routines to find eigenvectors and eigenvalues
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 * for constant types.
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 */
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#include <fvar.hpp>
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void eigens(const dmatrix & m, const dmatrix & _evecs,
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	    const dvector & _evals);
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/**
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 * \ingroup eigen
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 * Eigenvalues
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 * \param m \f$m\f$
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 * \return a variable vector containing the
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 *         eigenvalues of \f$m\f$.
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 */
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dvector eigenvalues(const dmatrix &m)
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{
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   if (m.rowsize() != m.colsize())
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   {
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      cerr <<
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	 "error -- non square matrix passed to dvector eigenvalues(const dmatrix& m)\n";
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      ad_exit(1);
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   }
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   int rmin = m.rowmin();
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   int rmax = m.rowmax();
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   dmatrix evecs(rmin, rmax, rmin, rmax);
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   dvector evals(rmin, rmax);
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   eigens(m, evecs, evals);
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   return evals;
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}
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/**
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 * \ingroup eigen
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 * Eigenvectors
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 * \param m \f$m\f$
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 * \return a variable matrix with the
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 *         eigenvectors of \f$m\f$ stored in its columns.
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 */
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dmatrix eigenvectors(const dmatrix &m)
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{
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   if (m.rowsize() != m.colsize())
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