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<h1>Quadratic.cxx</h1><a href="Quadratic_8cxx.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00012"></a>00012 <span class="preprocessor">#ifdef _MSC_VER</span>
<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#include "msdevstudio/MSconfig.h"</span>
<a name="l00014"></a>00014 <span class="preprocessor">#endif</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include "<a class="code" href="Quadratic_8h.html" title="Quadratic class interface.">Quadratic.h</a>"</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="FunctionHelper_8h.html" title="FunctionHelper class interface.">FunctionHelper.h</a>"</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#include <cassert></span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#ifdef ITERATOR_MEMBER_DEFECT</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="keyword">using namespace </span>std;
<a name="l00024"></a>00024 <span class="preprocessor">#else</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="keyword">using</span> std::vector;
<a name="l00026"></a>00026 <span class="preprocessor">#endif</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span>
<a name="l00028"></a>00028 <span class="keyword">namespace </span>hippodraw {
<a name="l00029"></a>00029
<a name="l00030"></a><a class="code" href="classhippodraw_1_1Quadratic.html#a3d96bf7d621bfbce926d7f09a4a51a16">00030</a> <a class="code" href="classhippodraw_1_1Quadratic.html#a3d96bf7d621bfbce926d7f09a4a51a16" title="The default constructor.">Quadratic::Quadratic</a> ( )
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 <a class="code" href="classhippodraw_1_1Quadratic.html#a25a40b6614565f755233080a384c35f1" title="Initializes the function and parameters names.">initialize</a> ();
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034
<a name="l00035"></a><a class="code" href="classhippodraw_1_1Quadratic.html#a340ee7d47a645cd6e7e78777553879e6">00035</a> <a class="code" href="classhippodraw_1_1Quadratic.html#a3d96bf7d621bfbce926d7f09a4a51a16" title="The default constructor.">Quadratic::Quadratic</a> ( <span class="keywordtype">double</span> intercept, <span class="keywordtype">double</span> linear, <span class="keywordtype">double</span> quad )
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <a class="code" href="classhippodraw_1_1Quadratic.html#a25a40b6614565f755233080a384c35f1" title="Initializes the function and parameters names.">initialize</a> ();
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <a class="code" href="classhippodraw_1_1FunctionBase.html#aa892dcf9755ccd651b666f353b723c34" title="The parameter values.">m_parms</a>[0] = intercept;
<a name="l00040"></a>00040 <a class="code" href="classhippodraw_1_1FunctionBase.html#aa892dcf9755ccd651b666f353b723c34" title="The parameter values.">m_parms</a>[1] = linear;
<a name="l00041"></a>00041 <a class="code" href="classhippodraw_1_1FunctionBase.html#aa892dcf9755ccd651b666f353b723c34" title="The parameter values.">m_parms</a>[2] = quad;
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a><a class="code" href="classhippodraw_1_1Quadratic.html#a25a40b6614565f755233080a384c35f1">00044</a> <span class="keywordtype">void</span> <a class="code" href="classhippodraw_1_1Quadratic.html#a25a40b6614565f755233080a384c35f1" title="Initializes the function and parameters names.">Quadratic::initialize</a> ()
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 <a class="code" href="classhippodraw_1_1FunctionBase.html#adb41893ba19e889e56c559f25fc1a68a" title="The name of the function.">m_name</a> = <span class="stringliteral">"Quadratic"</span>;
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <a class="code" href="classhippodraw_1_1FunctionBase.html#a96bf64e362e48f2ad4ecd76c32e4bc54" title="The names of the function parameters.">m_parm_names</a>.push_back ( <span class="stringliteral">"Intercept"</span> );
<a name="l00049"></a>00049 <a class="code" href="classhippodraw_1_1FunctionBase.html#a96bf64e362e48f2ad4ecd76c32e4bc54" title="The names of the function parameters.">m_parm_names</a>.push_back ( <span class="stringliteral">"Linear"</span> );
<a name="l00050"></a>00050 <a class="code" href="classhippodraw_1_1FunctionBase.html#a96bf64e362e48f2ad4ecd76c32e4bc54" title="The names of the function parameters.">m_parm_names</a>.push_back ( <span class="stringliteral">"Quad"</span> );
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <a class="code" href="classhippodraw_1_1FunctionBase.html#a0fc3d585aa53859602ac79c9c421f2a9" title="Re-sizes the appropriate vectors maintained in this base class.">resize</a> ();
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a><a class="code" href="classhippodraw_1_1Quadratic.html#a5e4b003c4faa8b7729e762445c7578d8">00055</a> <a class="code" href="classhippodraw_1_1FunctionBase.html" title="A function that can be added to a DataRep and used in a fitter.">FunctionBase</a> * <a class="code" href="classhippodraw_1_1Quadratic.html#a5e4b003c4faa8b7729e762445c7578d8" title="Creates a new function object by copying an existing one.">Quadratic::clone</a> ()<span class="keyword"> const</span>
<a name="l00056"></a>00056 <span class="keyword"></span>{
<a name="l00057"></a>00057 <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classhippodraw_1_1Quadratic.html#a3d96bf7d621bfbce926d7f09a4a51a16" title="The default constructor.">Quadratic</a> ( *<span class="keyword">this</span> );
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059
<a name="l00060"></a><a class="code" href="classhippodraw_1_1Quadratic.html#a3a71b677f013fdbc07bdf5dd65ee5f27">00060</a> <span class="keywordtype">double</span> <a class="code" href="classhippodraw_1_1Quadratic.html#a3a71b677f013fdbc07bdf5dd65ee5f27" title="The function call operator.">Quadratic::operator () </a>( <span class="keywordtype">double</span> x )<span class="keyword"> const</span>
<a name="l00061"></a>00061 <span class="keyword"></span>{
<a name="l00062"></a>00062 <span class="keywordflow">return</span> <a class="code" href="classhippodraw_1_1FunctionBase.html#aa892dcf9755ccd651b666f353b723c34" title="The parameter values.">m_parms</a>[0] + x * ( <a class="code" href="classhippodraw_1_1FunctionBase.html#aa892dcf9755ccd651b666f353b723c34" title="The parameter values.">m_parms</a>[1] + x * <a class="code" href="classhippodraw_1_1FunctionBase.html#aa892dcf9755ccd651b666f353b723c34" title="The parameter values.">m_parms</a>[2] );
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="comment">/* virtual */</span>
<a name="l00066"></a>00066 <span class="keywordtype">void</span>
<a name="l00067"></a>00067 <a class="code" href="classhippodraw_1_1Quadratic.html#ac89ece7f0010b352e8d897f0a352f811" title="Sets the FunctionHelper so that the function can calculate a reasonable set of initial...">Quadratic::</a>
<a name="l00068"></a><a class="code" href="classhippodraw_1_1Quadratic.html#ac89ece7f0010b352e8d897f0a352f811">00068</a> <a class="code" href="classhippodraw_1_1Quadratic.html#ac89ece7f0010b352e8d897f0a352f811" title="Sets the FunctionHelper so that the function can calculate a reasonable set of initial...">initialParameters</a> ( <span class="keyword">const</span> <a class="code" href="classhippodraw_1_1FunctionHelper.html" title="An abstract base class to help FunctionBase objects perform some operations.">FunctionHelper</a> * helper )
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 <span class="keywordtype">double</span> min_x = helper-><a class="code" href="classhippodraw_1_1FunctionHelper.html#aae8e27d24b633cfe806a30a6533e8581" title="Returns the smallest coordinate value along the X axis in the data set.">minCoord</a> ();
<a name="l00071"></a>00071 <span class="keywordtype">double</span> max_x = helper-><a class="code" href="classhippodraw_1_1FunctionHelper.html#a719f9e98d819c68e7588583cf65a0ad5" title="Returns the largest coordinate value along the X axis in the data set.">maxCoord</a> ();
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keywordtype">double</span> min_y = helper-><a class="code" href="classhippodraw_1_1FunctionHelper.html#abad9bd56009500b7eab09eb640e3e52d" title="Returns the smallest value in the data set.">minValue</a> ();
<a name="l00074"></a>00074 <span class="keywordtype">double</span> max_y = helper-><a class="code" href="classhippodraw_1_1FunctionHelper.html#a2be3e090b19415ac06d8388b5fc91fe2" title="Returns the largest value in the data set.">maxValue</a> ();
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <a class="code" href="classhippodraw_1_1FunctionBase.html#aa892dcf9755ccd651b666f353b723c34" title="The parameter values.">m_parms</a>[1] = ( max_y - min_y ) / ( max_x - min_x );
<a name="l00077"></a>00077 <a class="code" href="classhippodraw_1_1FunctionBase.html#aa892dcf9755ccd651b666f353b723c34" title="The parameter values.">m_parms</a>[0] = max_y - <a class="code" href="classhippodraw_1_1FunctionBase.html#aa892dcf9755ccd651b666f353b723c34" title="The parameter values.">m_parms</a>[1] * max_x;
<a name="l00078"></a>00078 <a class="code" href="classhippodraw_1_1FunctionBase.html#aa892dcf9755ccd651b666f353b723c34" title="The parameter values.">m_parms</a>[2] = <a class="code" href="classhippodraw_1_1FunctionBase.html#aa892dcf9755ccd651b666f353b723c34" title="The parameter values.">m_parms</a>[1] / ( 5.0 * ( max_x - min_x ) );
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a><a class="code" href="classhippodraw_1_1Quadratic.html#a8617a1aa7536e4cb61f2a4ec29a39f36">00081</a> <span class="keywordtype">double</span> <a class="code" href="classhippodraw_1_1Quadratic.html#a8617a1aa7536e4cb61f2a4ec29a39f36" title="Returns the function&#39;s derivative at the coordinate value x with respect to the...">Quadratic::derivByParm</a> ( <span class="keywordtype">int</span> i, <span class="keywordtype">double</span> x )<span class="keyword"> const</span>
<a name="l00082"></a>00082 <span class="keyword"></span>{
<a name="l00083"></a>00083 <span class="keywordflow">switch</span> ( i ) {
<a name="l00084"></a>00084 <span class="keywordflow">case</span> 0 :
<a name="l00085"></a>00085 <span class="keywordflow">return</span> 1.0;
<a name="l00086"></a>00086 <span class="keywordflow">break</span>;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordflow">case</span> 1 :
<a name="l00089"></a>00089 <span class="keywordflow">return</span> x;
<a name="l00090"></a>00090 <span class="keywordflow">break</span>;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordflow">case</span> 2 :
<a name="l00093"></a>00093 <span class="keywordflow">return</span> x * x;
<a name="l00094"></a>00094 <span class="keywordflow">break</span>;
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keywordflow">default</span> :
<a name="l00097"></a>00097 assert (<span class="keyword">false</span> );
<a name="l00098"></a>00098 <span class="keywordflow">break</span>;
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100 <span class="keywordflow">return</span> 0.0;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a>00103 } <span class="comment">// namespace hippodraw</span>
<a name="l00104"></a>00104
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