\section{Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$ Class Template Reference} \label{classmlpack_1_1bound_1_1HollowBallBound}\index{Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$@{Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$}} Hollow ball bound encloses a set of points at a specific distance (radius) from a specific point (center) except points at a specific distance from another point (the center of the hole). \subsection*{Public Types} \begin{DoxyCompactItemize} \item typedef T\+Metric\+Type \textbf{ Metric\+Type} \begin{DoxyCompactList}\small\item\em A public version of the metric type. \end{DoxyCompactList}\end{DoxyCompactItemize} \subsection*{Public Member Functions} \begin{DoxyCompactItemize} \item \textbf{ Hollow\+Ball\+Bound} () \begin{DoxyCompactList}\small\item\em Empty Constructor. \end{DoxyCompactList}\item \textbf{ Hollow\+Ball\+Bound} (const size\+\_\+t dimension) \begin{DoxyCompactList}\small\item\em Create the ball bound with the specified dimensionality. \end{DoxyCompactList}\item {\footnotesize template$<$typename Vec\+Type $>$ }\\\textbf{ Hollow\+Ball\+Bound} (const Elem\+Type inner\+Radius, const Elem\+Type outer\+Radius, const Vec\+Type \¢er) \begin{DoxyCompactList}\small\item\em Create the ball bound with the specified radius and center. \end{DoxyCompactList}\item \textbf{ Hollow\+Ball\+Bound} (const \textbf{ Hollow\+Ball\+Bound} \&other) \begin{DoxyCompactList}\small\item\em Copy constructor. To prevent memory leaks. \end{DoxyCompactList}\item \textbf{ Hollow\+Ball\+Bound} (\textbf{ Hollow\+Ball\+Bound} \&\&other) \begin{DoxyCompactList}\small\item\em Move constructor\+: take possession of another bound. \end{DoxyCompactList}\item \textbf{ $\sim$\+Hollow\+Ball\+Bound} () \begin{DoxyCompactList}\small\item\em Destructor to release allocated memory. \end{DoxyCompactList}\item const arma\+::\+Col$<$ Elem\+Type $>$ \& \textbf{ Center} () const \begin{DoxyCompactList}\small\item\em Get the center point of the ball. \end{DoxyCompactList}\item arma\+::\+Col$<$ Elem\+Type $>$ \& \textbf{ Center} () \begin{DoxyCompactList}\small\item\em Modify the center point of the ball. \end{DoxyCompactList}\item {\footnotesize template$<$typename Vec\+Type $>$ }\\void \textbf{ Center} (Vec\+Type \¢er) const \begin{DoxyCompactList}\small\item\em Place the center of \doxyref{Ball\+Bound}{p.}{classmlpack_1_1bound_1_1BallBound} into the given vector. \end{DoxyCompactList}\item {\footnotesize template$<$typename Vec\+Type $>$ }\\bool \textbf{ Contains} (const Vec\+Type \&point) const \begin{DoxyCompactList}\small\item\em Determines if a point is within this bound. \end{DoxyCompactList}\item bool \textbf{ Contains} (const \textbf{ Hollow\+Ball\+Bound} \&other) const \begin{DoxyCompactList}\small\item\em Determines if another bound is within this bound. \end{DoxyCompactList}\item Elem\+Type \textbf{ Diameter} () const \begin{DoxyCompactList}\small\item\em Returns the diameter of the ballbound. \end{DoxyCompactList}\item size\+\_\+t \textbf{ Dim} () const \begin{DoxyCompactList}\small\item\em Get the dimensionality of the ball. \end{DoxyCompactList}\item const arma\+::\+Col$<$ Elem\+Type $>$ \& \textbf{ Hollow\+Center} () const \begin{DoxyCompactList}\small\item\em Get the center point of the hollow. \end{DoxyCompactList}\item arma\+::\+Col$<$ Elem\+Type $>$ \& \textbf{ Hollow\+Center} () \begin{DoxyCompactList}\small\item\em Modify the center point of the hollow. \end{DoxyCompactList}\item Elem\+Type \textbf{ Inner\+Radius} () const \begin{DoxyCompactList}\small\item\em Get the innner radius of the ball. \end{DoxyCompactList}\item Elem\+Type \& \textbf{ Inner\+Radius} () \begin{DoxyCompactList}\small\item\em Modify the inner radius of the ball. \end{DoxyCompactList}\item {\footnotesize template$<$typename Vec\+Type $>$ }\\Elem\+Type \textbf{ Max\+Distance} (const Vec\+Type \&point, typename \textbf{ std\+::enable\+\_\+if\+\_\+t}$<$ \textbf{ Is\+Vector}$<$ Vec\+Type $>$\+::value $>$ $\ast$=0) const \begin{DoxyCompactList}\small\item\em Computes maximum distance. \end{DoxyCompactList}\item Elem\+Type \textbf{ Max\+Distance} (const \textbf{ Hollow\+Ball\+Bound} \&other) const \begin{DoxyCompactList}\small\item\em Computes maximum distance. \end{DoxyCompactList}\item const \textbf{ Metric\+Type} \& \textbf{ Metric} () const \begin{DoxyCompactList}\small\item\em Returns the distance metric used in this bound. \end{DoxyCompactList}\item \textbf{ Metric\+Type} \& \textbf{ Metric} () \begin{DoxyCompactList}\small\item\em Modify the distance metric used in this bound. \end{DoxyCompactList}\item {\footnotesize template$<$typename Vec\+Type $>$ }\\Elem\+Type \textbf{ Min\+Distance} (const Vec\+Type \&point, typename \textbf{ std\+::enable\+\_\+if\+\_\+t}$<$ \textbf{ Is\+Vector}$<$ Vec\+Type $>$\+::value $>$ $\ast$=0) const \begin{DoxyCompactList}\small\item\em Calculates minimum bound-\/to-\/point squared distance\end{DoxyCompactList}\item Elem\+Type \textbf{ Min\+Distance} (const \textbf{ Hollow\+Ball\+Bound} \&other) const \begin{DoxyCompactList}\small\item\em Calculates minimum bound-\/to-\/bound squared distance. \end{DoxyCompactList}\item Elem\+Type \textbf{ Min\+Width} () const \begin{DoxyCompactList}\small\item\em Get the minimum width of the bound (this is same as the diameter). \end{DoxyCompactList}\item \textbf{ Hollow\+Ball\+Bound} \& \textbf{ operator=} (const \textbf{ Hollow\+Ball\+Bound} \&other) \begin{DoxyCompactList}\small\item\em For the same reason as the copy constructor\+: to prevent memory leaks. \end{DoxyCompactList}\item \textbf{ math\+::\+Range\+Type}$<$ Elem\+Type $>$ \textbf{ operator[$\,$]} (const size\+\_\+t i) const \begin{DoxyCompactList}\small\item\em Get the range in a certain dimension. \end{DoxyCompactList}\item {\footnotesize template$<$typename Mat\+Type $>$ }\\const \textbf{ Hollow\+Ball\+Bound} \& \textbf{ operator$\vert$=} (const Mat\+Type \&data) \begin{DoxyCompactList}\small\item\em Expand the bound to include the given point. \end{DoxyCompactList}\item const \textbf{ Hollow\+Ball\+Bound} \& \textbf{ operator$\vert$=} (const \textbf{ Hollow\+Ball\+Bound} \&other) \begin{DoxyCompactList}\small\item\em Expand the bound to include the given bound. \end{DoxyCompactList}\item Elem\+Type \textbf{ Outer\+Radius} () const \begin{DoxyCompactList}\small\item\em Get the outer radius of the ball. \end{DoxyCompactList}\item Elem\+Type \& \textbf{ Outer\+Radius} () \begin{DoxyCompactList}\small\item\em Modify the outer radius of the ball. \end{DoxyCompactList}\item {\footnotesize template$<$typename Vec\+Type $>$ }\\\textbf{ math\+::\+Range\+Type}$<$ Elem\+Type $>$ \textbf{ Range\+Distance} (const Vec\+Type \&other, typename \textbf{ std\+::enable\+\_\+if\+\_\+t}$<$ \textbf{ Is\+Vector}$<$ Vec\+Type $>$\+::value $>$ $\ast$=0) const \begin{DoxyCompactList}\small\item\em Calculates minimum and maximum bound-\/to-\/point distance. \end{DoxyCompactList}\item \textbf{ math\+::\+Range\+Type}$<$ Elem\+Type $>$ \textbf{ Range\+Distance} (const \textbf{ Hollow\+Ball\+Bound} \&other) const \begin{DoxyCompactList}\small\item\em Calculates minimum and maximum bound-\/to-\/bound distance. \end{DoxyCompactList}\item {\footnotesize template$<$typename Archive $>$ }\\void \textbf{ serialize} (Archive \&ar, const unsigned int version) \begin{DoxyCompactList}\small\item\em Serialize the bound. \end{DoxyCompactList}\end{DoxyCompactItemize} \subsection{Detailed Description} \subsubsection*{template$<$typename T\+Metric\+Type = metric\+::\+L\+Metric$<$2, true$>$, typename Elem\+Type = double$>$\newline class mlpack\+::bound\+::\+Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$} Hollow ball bound encloses a set of points at a specific distance (radius) from a specific point (center) except points at a specific distance from another point (the center of the hole). Metric\+Type is the custom metric type that defaults to the Euclidean (L2) distance. \begin{DoxyTemplParams}{Template Parameters} {\em T\+Metric\+Type} & metric type used in the distance measure. \\ \hline {\em Elem\+Type} & Type of element (float or double or similar). \\ \hline \end{DoxyTemplParams} Definition at line 33 of file hollow\+\_\+ball\+\_\+bound.\+hpp. \subsection{Member Typedef Documentation} \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a467f97db5f149502db8d1a40f05193c7}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Metric\+Type@{Metric\+Type}} \index{Metric\+Type@{Metric\+Type}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Metric\+Type} {\footnotesize\ttfamily typedef T\+Metric\+Type \textbf{ Metric\+Type}} A public version of the metric type. Definition at line 37 of file hollow\+\_\+ball\+\_\+bound.\+hpp. \subsection{Constructor \& Destructor Documentation} \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_ada1a90cd171369ccb1180b84ef204afc}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Hollow\+Ball\+Bound@{Hollow\+Ball\+Bound}} \index{Hollow\+Ball\+Bound@{Hollow\+Ball\+Bound}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Hollow\+Ball\+Bound()\hspace{0.1cm}{\footnotesize\ttfamily [1/5]}} {\footnotesize\ttfamily \textbf{ Hollow\+Ball\+Bound} (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})} Empty Constructor. \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a4bcb658da3d68b3dd8ba473e92b0e384}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Hollow\+Ball\+Bound@{Hollow\+Ball\+Bound}} \index{Hollow\+Ball\+Bound@{Hollow\+Ball\+Bound}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Hollow\+Ball\+Bound()\hspace{0.1cm}{\footnotesize\ttfamily [2/5]}} {\footnotesize\ttfamily \textbf{ Hollow\+Ball\+Bound} (\begin{DoxyParamCaption}\item[{const size\+\_\+t}]{dimension }\end{DoxyParamCaption})} Create the ball bound with the specified dimensionality. \begin{DoxyParams}{Parameters} {\em dimension} & Dimensionality of ball bound. \\ \hline \end{DoxyParams} \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a298541c2728c9b4dae8ecc49ebb1e17f}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Hollow\+Ball\+Bound@{Hollow\+Ball\+Bound}} \index{Hollow\+Ball\+Bound@{Hollow\+Ball\+Bound}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Hollow\+Ball\+Bound()\hspace{0.1cm}{\footnotesize\ttfamily [3/5]}} {\footnotesize\ttfamily \textbf{ Hollow\+Ball\+Bound} (\begin{DoxyParamCaption}\item[{const Elem\+Type}]{inner\+Radius, }\item[{const Elem\+Type}]{outer\+Radius, }\item[{const Vec\+Type \&}]{center }\end{DoxyParamCaption})} Create the ball bound with the specified radius and center. \begin{DoxyParams}{Parameters} {\em inner\+Radius} & Inner radius of ball bound. \\ \hline {\em outer\+Radius} & Outer radius of ball bound. \\ \hline {\em center} & Center of ball bound. \\ \hline \end{DoxyParams} \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a91204d447151304c16756997fb724081}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Hollow\+Ball\+Bound@{Hollow\+Ball\+Bound}} \index{Hollow\+Ball\+Bound@{Hollow\+Ball\+Bound}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Hollow\+Ball\+Bound()\hspace{0.1cm}{\footnotesize\ttfamily [4/5]}} {\footnotesize\ttfamily \textbf{ Hollow\+Ball\+Bound} (\begin{DoxyParamCaption}\item[{const \textbf{ Hollow\+Ball\+Bound}$<$ T\+Metric\+Type, Elem\+Type $>$ \&}]{other }\end{DoxyParamCaption})} Copy constructor. To prevent memory leaks. \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a273ad2622c35794186a6f97055a5ea64}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Hollow\+Ball\+Bound@{Hollow\+Ball\+Bound}} \index{Hollow\+Ball\+Bound@{Hollow\+Ball\+Bound}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Hollow\+Ball\+Bound()\hspace{0.1cm}{\footnotesize\ttfamily [5/5]}} {\footnotesize\ttfamily \textbf{ Hollow\+Ball\+Bound} (\begin{DoxyParamCaption}\item[{\textbf{ Hollow\+Ball\+Bound}$<$ T\+Metric\+Type, Elem\+Type $>$ \&\&}]{other }\end{DoxyParamCaption})} Move constructor\+: take possession of another bound. \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_aa9c025f327695164b6c9f54398555d4e}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!````~Hollow\+Ball\+Bound@{$\sim$\+Hollow\+Ball\+Bound}} \index{````~Hollow\+Ball\+Bound@{$\sim$\+Hollow\+Ball\+Bound}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{$\sim$\+Hollow\+Ball\+Bound()} {\footnotesize\ttfamily $\sim$\textbf{ Hollow\+Ball\+Bound} (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})} Destructor to release allocated memory. \subsection{Member Function Documentation} \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a876db6448c8405f3712af84cfa139a17}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Center@{Center}} \index{Center@{Center}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Center()\hspace{0.1cm}{\footnotesize\ttfamily [1/3]}} {\footnotesize\ttfamily const arma\+::\+Col$<$Elem\+Type$>$\& Center (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the center point of the ball. Definition at line 103 of file hollow\+\_\+ball\+\_\+bound.\+hpp. \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_af81991a0eef2206ad4af4d6e7c774c37}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Center@{Center}} \index{Center@{Center}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Center()\hspace{0.1cm}{\footnotesize\ttfamily [2/3]}} {\footnotesize\ttfamily arma\+::\+Col$<$Elem\+Type$>$\& Center (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Modify the center point of the ball. Definition at line 105 of file hollow\+\_\+ball\+\_\+bound.\+hpp. \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a0c7c0753db52d0b46d72af4c9e981320}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Center@{Center}} \index{Center@{Center}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Center()\hspace{0.1cm}{\footnotesize\ttfamily [3/3]}} {\footnotesize\ttfamily void Center (\begin{DoxyParamCaption}\item[{Vec\+Type \&}]{center }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Place the center of \doxyref{Ball\+Bound}{p.}{classmlpack_1_1bound_1_1BallBound} into the given vector. \begin{DoxyParams}{Parameters} {\em center} & Vector which the centroid will be written to. \\ \hline \end{DoxyParams} Definition at line 145 of file hollow\+\_\+ball\+\_\+bound.\+hpp. References Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::\+Max\+Distance(), Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::\+Min\+Distance(), Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::operator$\vert$=(), and Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::\+Range\+Distance(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a3c1084b782672d502264b8c6d33ed0dd}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Contains@{Contains}} \index{Contains@{Contains}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Contains()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily bool Contains (\begin{DoxyParamCaption}\item[{const Vec\+Type \&}]{point }\end{DoxyParamCaption}) const} Determines if a point is within this bound. \begin{DoxyParams}{Parameters} {\em point} & Point to check the condition. \\ \hline \end{DoxyParams} Referenced by Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::\+Min\+Width(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a7391cab73b6ecb1fabf64d3110b34b55}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Contains@{Contains}} \index{Contains@{Contains}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Contains()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily bool Contains (\begin{DoxyParamCaption}\item[{const \textbf{ Hollow\+Ball\+Bound}$<$ T\+Metric\+Type, Elem\+Type $>$ \&}]{other }\end{DoxyParamCaption}) const} Determines if another bound is within this bound. \begin{DoxyParams}{Parameters} {\em other} & Bound to check the condition. \\ \hline \end{DoxyParams} \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a60e7246d34103909f688395e35869b39}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Diameter@{Diameter}} \index{Diameter@{Diameter}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Diameter()} {\footnotesize\ttfamily Elem\+Type Diameter (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Returns the diameter of the ballbound. Definition at line 226 of file hollow\+\_\+ball\+\_\+bound.\+hpp. References Range\+Type$<$ T $>$\+::\+Hi(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a7993a4f36c530e03b78b28b5f53bb286}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Dim@{Dim}} \index{Dim@{Dim}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Dim()} {\footnotesize\ttfamily size\+\_\+t Dim (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the dimensionality of the ball. Definition at line 113 of file hollow\+\_\+ball\+\_\+bound.\+hpp. \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_adf7dba8fc150d5ecbb37d143cd71b827}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Hollow\+Center@{Hollow\+Center}} \index{Hollow\+Center@{Hollow\+Center}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Hollow\+Center()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily const arma\+::\+Col$<$Elem\+Type$>$\& Hollow\+Center (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the center point of the hollow. Definition at line 108 of file hollow\+\_\+ball\+\_\+bound.\+hpp. \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a850a277d1d90ff1b2cd54bee486e6c9c}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Hollow\+Center@{Hollow\+Center}} \index{Hollow\+Center@{Hollow\+Center}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Hollow\+Center()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily arma\+::\+Col$<$Elem\+Type$>$\& Hollow\+Center (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Modify the center point of the hollow. Definition at line 110 of file hollow\+\_\+ball\+\_\+bound.\+hpp. \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_ade9da5b6c7349f71b7aeba5149344fa5}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Inner\+Radius@{Inner\+Radius}} \index{Inner\+Radius@{Inner\+Radius}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Inner\+Radius()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily Elem\+Type Inner\+Radius (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the innner radius of the ball. Definition at line 98 of file hollow\+\_\+ball\+\_\+bound.\+hpp. References Range\+Type$<$ T $>$\+::\+Lo(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a0bbef81339b2e4284a78f9112929f9b7}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Inner\+Radius@{Inner\+Radius}} \index{Inner\+Radius@{Inner\+Radius}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Inner\+Radius()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily Elem\+Type\& Inner\+Radius (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Modify the inner radius of the ball. Definition at line 100 of file hollow\+\_\+ball\+\_\+bound.\+hpp. References Range\+Type$<$ T $>$\+::\+Lo(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_ae764d88483236cc470f5abe0273df4c5}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Max\+Distance@{Max\+Distance}} \index{Max\+Distance@{Max\+Distance}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Max\+Distance()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily Elem\+Type Max\+Distance (\begin{DoxyParamCaption}\item[{const Vec\+Type \&}]{point, }\item[{typename \textbf{ std\+::enable\+\_\+if\+\_\+t}$<$ \textbf{ Is\+Vector}$<$ Vec\+Type $>$\+::value $>$ $\ast$}]{ = {\ttfamily 0} }\end{DoxyParamCaption}) const} Computes maximum distance. \begin{DoxyParams}{Parameters} {\em point} & Point to which the maximum distance is requested. \\ \hline \end{DoxyParams} Referenced by Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::\+Center(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a8759c5f988873f307cedcd8a4495e03e}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Max\+Distance@{Max\+Distance}} \index{Max\+Distance@{Max\+Distance}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Max\+Distance()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily Elem\+Type Max\+Distance (\begin{DoxyParamCaption}\item[{const \textbf{ Hollow\+Ball\+Bound}$<$ T\+Metric\+Type, Elem\+Type $>$ \&}]{other }\end{DoxyParamCaption}) const} Computes maximum distance. \begin{DoxyParams}{Parameters} {\em other} & Bound to which the maximum distance is requested. \\ \hline \end{DoxyParams} \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_aac4d643c62af7d9cc2a072aea10d2b32}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Metric@{Metric}} \index{Metric@{Metric}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Metric()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily const \textbf{ Metric\+Type}\& Metric (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Returns the distance metric used in this bound. Definition at line 229 of file hollow\+\_\+ball\+\_\+bound.\+hpp. \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_acc71d930ed90e73b2bc0c360835c5371}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Metric@{Metric}} \index{Metric@{Metric}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Metric()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily \textbf{ Metric\+Type}\& Metric (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Modify the distance metric used in this bound. Definition at line 231 of file hollow\+\_\+ball\+\_\+bound.\+hpp. References Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::serialize(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a73bf99a433e88a31d98b46bf4c0da147}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Min\+Distance@{Min\+Distance}} \index{Min\+Distance@{Min\+Distance}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Min\+Distance()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily Elem\+Type Min\+Distance (\begin{DoxyParamCaption}\item[{const Vec\+Type \&}]{point, }\item[{typename \textbf{ std\+::enable\+\_\+if\+\_\+t}$<$ \textbf{ Is\+Vector}$<$ Vec\+Type $>$\+::value $>$ $\ast$}]{ = {\ttfamily 0} }\end{DoxyParamCaption}) const} Calculates minimum bound-\/to-\/point squared distance \begin{DoxyParams}{Parameters} {\em point} & Point to which the minimum distance is requested. \\ \hline \end{DoxyParams} Referenced by Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::\+Center(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a9c65ee003bca30bb8cd73859fd15a6b4}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Min\+Distance@{Min\+Distance}} \index{Min\+Distance@{Min\+Distance}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Min\+Distance()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily Elem\+Type Min\+Distance (\begin{DoxyParamCaption}\item[{const \textbf{ Hollow\+Ball\+Bound}$<$ T\+Metric\+Type, Elem\+Type $>$ \&}]{other }\end{DoxyParamCaption}) const} Calculates minimum bound-\/to-\/bound squared distance. \begin{DoxyParams}{Parameters} {\em other} & Bound to which the minimum distance is requested. \\ \hline \end{DoxyParams} \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_ab8478ff52c4d4d5e7fa6311fa39abb76}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Min\+Width@{Min\+Width}} \index{Min\+Width@{Min\+Width}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Min\+Width()} {\footnotesize\ttfamily Elem\+Type Min\+Width (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the minimum width of the bound (this is same as the diameter). For ball bounds, width along all dimensions remain same. Definition at line 119 of file hollow\+\_\+ball\+\_\+bound.\+hpp. References Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::\+Contains(), Range\+Type$<$ T $>$\+::\+Hi(), and Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::operator[$\,$](). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a2ad7425cb82fef9dc4126ac0b3ba9f8d}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!operator=@{operator=}} \index{operator=@{operator=}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{operator=()} {\footnotesize\ttfamily \textbf{ Hollow\+Ball\+Bound}\& operator= (\begin{DoxyParamCaption}\item[{const \textbf{ Hollow\+Ball\+Bound}$<$ T\+Metric\+Type, Elem\+Type $>$ \&}]{other }\end{DoxyParamCaption})} For the same reason as the copy constructor\+: to prevent memory leaks. \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_aa79d855354bde98b4e84e3d49c4d02fa}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!operator[]@{operator[]}} \index{operator[]@{operator[]}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{operator[]()} {\footnotesize\ttfamily \textbf{ math\+::\+Range\+Type}$<$Elem\+Type$>$ operator[$\,$] (\begin{DoxyParamCaption}\item[{const size\+\_\+t}]{i }\end{DoxyParamCaption}) const} Get the range in a certain dimension. Referenced by Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::\+Min\+Width(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_afc9d2f73c09c038610b3196e59512d79}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!operator\texttt{"|}=@{operator\texttt{"|}=}} \index{operator\texttt{"|}=@{operator\texttt{"|}=}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{operator\texttt{"|}=()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily const \textbf{ Hollow\+Ball\+Bound}\& operator$\vert$= (\begin{DoxyParamCaption}\item[{const Mat\+Type \&}]{data }\end{DoxyParamCaption})} Expand the bound to include the given point. The centroid will not be moved. \begin{DoxyTemplParams}{Template Parameters} {\em Mat\+Type} & Type of matrix; could be arma\+::mat, arma\+::spmat, or a vector. \\ \hline {\em data} & Data points to add. \\ \hline \end{DoxyTemplParams} Referenced by Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::\+Center(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_ac7e9583095f04eefefe0badec78196d2}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!operator\texttt{"|}=@{operator\texttt{"|}=}} \index{operator\texttt{"|}=@{operator\texttt{"|}=}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{operator\texttt{"|}=()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily const \textbf{ Hollow\+Ball\+Bound}\& operator$\vert$= (\begin{DoxyParamCaption}\item[{const \textbf{ Hollow\+Ball\+Bound}$<$ T\+Metric\+Type, Elem\+Type $>$ \&}]{other }\end{DoxyParamCaption})} Expand the bound to include the given bound. The centroid will not be moved. \begin{DoxyTemplParams}{Template Parameters} {\em Mat\+Type} & Type of matrix; could be arma\+::mat, arma\+::spmat, or a vector. \\ \hline {\em data} & Data points to add. \\ \hline \end{DoxyTemplParams} \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_aa86ddd3c92343387dd5b013d69b57f56}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Outer\+Radius@{Outer\+Radius}} \index{Outer\+Radius@{Outer\+Radius}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Outer\+Radius()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily Elem\+Type Outer\+Radius (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption}) const\hspace{0.3cm}{\ttfamily [inline]}} Get the outer radius of the ball. Definition at line 93 of file hollow\+\_\+ball\+\_\+bound.\+hpp. References Range\+Type$<$ T $>$\+::\+Hi(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_aa68d48063c5fcee28965d871310d175e}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Outer\+Radius@{Outer\+Radius}} \index{Outer\+Radius@{Outer\+Radius}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Outer\+Radius()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily Elem\+Type\& Outer\+Radius (\begin{DoxyParamCaption}{ }\end{DoxyParamCaption})\hspace{0.3cm}{\ttfamily [inline]}} Modify the outer radius of the ball. Definition at line 95 of file hollow\+\_\+ball\+\_\+bound.\+hpp. References Range\+Type$<$ T $>$\+::\+Hi(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_ad33971d62be9f7a3ebe2602654e84aad}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Range\+Distance@{Range\+Distance}} \index{Range\+Distance@{Range\+Distance}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Range\+Distance()\hspace{0.1cm}{\footnotesize\ttfamily [1/2]}} {\footnotesize\ttfamily \textbf{ math\+::\+Range\+Type}$<$Elem\+Type$>$ Range\+Distance (\begin{DoxyParamCaption}\item[{const Vec\+Type \&}]{other, }\item[{typename \textbf{ std\+::enable\+\_\+if\+\_\+t}$<$ \textbf{ Is\+Vector}$<$ Vec\+Type $>$\+::value $>$ $\ast$}]{ = {\ttfamily 0} }\end{DoxyParamCaption}) const} Calculates minimum and maximum bound-\/to-\/point distance. \begin{DoxyParams}{Parameters} {\em point} & Point to which the minimum and maximum distances are requested. \\ \hline \end{DoxyParams} Referenced by Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::\+Center(). \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_ab16b77275c79f0a9c3e9be5779c60eb8}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!Range\+Distance@{Range\+Distance}} \index{Range\+Distance@{Range\+Distance}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{Range\+Distance()\hspace{0.1cm}{\footnotesize\ttfamily [2/2]}} {\footnotesize\ttfamily \textbf{ math\+::\+Range\+Type}$<$Elem\+Type$>$ Range\+Distance (\begin{DoxyParamCaption}\item[{const \textbf{ Hollow\+Ball\+Bound}$<$ T\+Metric\+Type, Elem\+Type $>$ \&}]{other }\end{DoxyParamCaption}) const} Calculates minimum and maximum bound-\/to-\/bound distance. Example\+: bound1.\+Min\+Distance\+Sq(other) for minimum distance. \begin{DoxyParams}{Parameters} {\em other} & Bound to which the minimum and maximum distances are requested. \\ \hline \end{DoxyParams} \mbox{\label{classmlpack_1_1bound_1_1HollowBallBound_a68e832cb064e3b7ca978d8e5911cf700}} \index{mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}!serialize@{serialize}} \index{serialize@{serialize}!mlpack\+::bound\+::\+Hollow\+Ball\+Bound@{mlpack\+::bound\+::\+Hollow\+Ball\+Bound}} \subsubsection{serialize()} {\footnotesize\ttfamily void serialize (\begin{DoxyParamCaption}\item[{Archive \&}]{ar, }\item[{const unsigned int}]{version }\end{DoxyParamCaption})} Serialize the bound. Referenced by Hollow\+Ball\+Bound$<$ T\+Metric\+Type, Elem\+Type $>$\+::\+Metric(). The documentation for this class was generated from the following file\+:\begin{DoxyCompactItemize} \item /var/www/mlpack.\+ratml.\+org/mlpack.\+org/\+\_\+src/mlpack-\/3.\+3.\+1/src/mlpack/core/tree/\textbf{ hollow\+\_\+ball\+\_\+bound.\+hpp}\end{DoxyCompactItemize}