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<h1>transform.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//</span>
<a name="l00002"></a>00002 <span class="comment">// transform.h</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright (C) 1996 Limit Point Systems, Inc.</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// Author: Curtis Janssen &lt;cljanss@limitpt.com&gt;</span>
<a name="l00007"></a>00007 <span class="comment">// Maintainer: LPS</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// This file is part of the SC Toolkit.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// The SC Toolkit is free software; you can redistribute it and/or modify</span>
<a name="l00012"></a>00012 <span class="comment">// it under the terms of the GNU Library General Public License as published by</span>
<a name="l00013"></a>00013 <span class="comment">// the Free Software Foundation; either version 2, or (at your option)</span>
<a name="l00014"></a>00014 <span class="comment">// any later version.</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 <span class="comment">// The SC Toolkit is distributed in the hope that it will be useful,</span>
<a name="l00017"></a>00017 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00018"></a>00018 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00019"></a>00019 <span class="comment">// GNU Library General Public License for more details.</span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// You should have received a copy of the GNU Library General Public License</span>
<a name="l00022"></a>00022 <span class="comment">// along with the SC Toolkit; see the file COPYING.LIB.  If not, write to</span>
<a name="l00023"></a>00023 <span class="comment">// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.</span>
<a name="l00024"></a>00024 <span class="comment">//</span>
<a name="l00025"></a>00025 <span class="comment">// The U.S. Government is granted a limited license as per AL 91-7.</span>
<a name="l00026"></a>00026 <span class="comment">//</span>
<a name="l00027"></a>00027 
<a name="l00028"></a>00028 <span class="preprocessor">#ifndef _math_optimize_transform_h</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define _math_optimize_transform_h</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031 <span class="preprocessor">#ifdef __GNUC__</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#pragma interface</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;math/scmat/matrix.h&gt;</span>
<a name="l00036"></a>00036 
<a name="l00037"></a>00037 <span class="keyword">namespace </span>sc {
<a name="l00038"></a>00038 
<a name="l00042"></a><a class="code" href="classsc_1_1NonlinearTransform.html">00042</a> <span class="keyword">class </span><a class="code" href="classsc_1_1NonlinearTransform.html" title="The NonlinearTransform class transforms between two nonlinear coordinate systems...">NonlinearTransform</a>: <span class="keyword">public</span> <a class="code" href="classsc_1_1RefCount.html" title="The base class for all reference counted objects.">RefCount</a> {
<a name="l00043"></a>00043   <span class="keyword">protected</span>:
<a name="l00044"></a>00044     <span class="comment">// The linear part of the nonlinear transform.  This must</span>
<a name="l00045"></a>00045     <span class="comment">// be initialized by derived classes in their</span>
<a name="l00046"></a>00046     <span class="comment">// transform_coordinates routine (or the transform</span>
<a name="l00047"></a>00047     <span class="comment">// members must be overridden so it is ignored).</span>
<a name="l00048"></a>00048     <a class="code" href="classsc_1_1RefSCMatrix.html" title="The RefSCMatrix class is a smart pointer to an SCMatrix specialization.">RefSCMatrix</a> linear_transform_;
<a name="l00049"></a>00049   <span class="keyword">public</span>:
<a name="l00050"></a>00050     ~<a class="code" href="classsc_1_1NonlinearTransform.html" title="The NonlinearTransform class transforms between two nonlinear coordinate systems...">NonlinearTransform</a>();
<a name="l00051"></a>00051 
<a name="l00053"></a>00053     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsc_1_1NonlinearTransform.html#dbff86d91d761ef6f18e44e925acb0a0" title="Transform the coordinates.">transform_coordinates</a>(<span class="keyword">const</span> <a class="code" href="classsc_1_1RefSCVector.html" title="The RefSCVector class is a smart pointer to an SCVector specialization.">RefSCVector</a>&amp; x) = 0;
<a name="l00057"></a>00057     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsc_1_1NonlinearTransform.html#dd721a5a5c9ffe0fed12c7014bb680dd" title="Transform the gradient at a point in the new coordinate system.">transform_gradient</a>(<span class="keyword">const</span> <a class="code" href="classsc_1_1RefSCVector.html" title="The RefSCVector class is a smart pointer to an SCVector specialization.">RefSCVector</a>&amp; g);
<a name="l00061"></a>00061     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsc_1_1NonlinearTransform.html#37d7a2f6a13bdab44856ca7575f1e9c2" title="Transform the hessian to the new coordinate system.">transform_hessian</a>(<span class="keyword">const</span> <a class="code" href="classsc_1_1RefSymmSCMatrix.html" title="The RefSymmSCMatrix class is a smart pointer to an SCSymmSCMatrix specialization...">RefSymmSCMatrix</a>&amp; h);
<a name="l00065"></a>00065     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsc_1_1NonlinearTransform.html#c65a7b0d6ac3d15056576759de1f458f" title="Transform the inverse of the hessian.">transform_ihessian</a>(<span class="keyword">const</span> <a class="code" href="classsc_1_1RefSymmSCMatrix.html" title="The RefSymmSCMatrix class is a smart pointer to an SCSymmSCMatrix specialization...">RefSymmSCMatrix</a> &amp;ih);
<a name="l00066"></a>00066 };
<a name="l00067"></a>00067 
<a name="l00068"></a>00068 
<a name="l00069"></a>00069 
<a name="l00073"></a><a class="code" href="classsc_1_1IdentityTransform.html">00073</a> <span class="keyword">class </span><a class="code" href="classsc_1_1IdentityTransform.html" title="The IdentityTransform is a special case of NonlinearTransform were no transformation...">IdentityTransform</a>: <span class="keyword">public</span> <a class="code" href="classsc_1_1NonlinearTransform.html" title="The NonlinearTransform class transforms between two nonlinear coordinate systems...">NonlinearTransform</a> {
<a name="l00074"></a>00074   <span class="keyword">public</span>:
<a name="l00075"></a>00075     ~<a class="code" href="classsc_1_1IdentityTransform.html" title="The IdentityTransform is a special case of NonlinearTransform were no transformation...">IdentityTransform</a>();
<a name="l00076"></a>00076 
<a name="l00079"></a>00079     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1IdentityTransform.html#8bd2b2f0891e008680033702a03faf75" title="These override the tranformation members of NonlinearTransform and do nothing.">transform_coordinates</a>(<span class="keyword">const</span> <a class="code" href="classsc_1_1RefSCVector.html" title="The RefSCVector class is a smart pointer to an SCVector specialization.">RefSCVector</a>&amp; x);
<a name="l00080"></a>00080     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1IdentityTransform.html#0d87d288ea87f8e13a7522aeb1905768" title="Transform the gradient at a point in the new coordinate system.">transform_gradient</a>(<span class="keyword">const</span> <a class="code" href="classsc_1_1RefSCVector.html" title="The RefSCVector class is a smart pointer to an SCVector specialization.">RefSCVector</a>&amp; g);
<a name="l00081"></a>00081     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1IdentityTransform.html#8399f6671b87379174e74d0da15b1339" title="Transform the hessian to the new coordinate system.">transform_hessian</a>(<span class="keyword">const</span> <a class="code" href="classsc_1_1RefSymmSCMatrix.html" title="The RefSymmSCMatrix class is a smart pointer to an SCSymmSCMatrix specialization...">RefSymmSCMatrix</a>&amp; h);
<a name="l00082"></a>00082     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1IdentityTransform.html#63127c8d25eb91df497cda3e22a51bdb" title="Transform the inverse of the hessian.">transform_ihessian</a>(<span class="keyword">const</span> <a class="code" href="classsc_1_1RefSymmSCMatrix.html" title="The RefSymmSCMatrix class is a smart pointer to an SCSymmSCMatrix specialization...">RefSymmSCMatrix</a> &amp;ih);
<a name="l00083"></a>00083 };
<a name="l00084"></a>00084 
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086 
<a name="l00087"></a>00087 <span class="preprocessor">#endif</span>
<a name="l00088"></a>00088 <span class="preprocessor"></span>
<a name="l00089"></a>00089 <span class="comment">// Local Variables:</span>
<a name="l00090"></a>00090 <span class="comment">// mode: c++</span>
<a name="l00091"></a>00091 <span class="comment">// c-file-style: "CLJ"</span>
<a name="l00092"></a>00092 <span class="comment">// End:</span>
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