
\section{Interfaces} 


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\vspace{3mm} \subsection*{General}

\noindent {\bf Implements}: 

carpetprolongatetest
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\noindent {\bf Inherits}: 

grid
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\subsection*{Grid Variables}
\vspace{5mm}\subsubsection{PRIVATE GROUPS}

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\begin{tabular*}{150mm}{|c|c@{\extracolsep{\fill}}|rl|} \hline 
~ {\bf Group Names} ~ & ~ {\bf Variable Names} ~  &{\bf Details} ~ & ~\\ 
\hline 
scalar &  & compact & 0 \\ 
 & u & description & Grid function \\ 
 &  & dimensions & 3 \\ 
 &  & distribution & DEFAULT \\ 
 &  & group type & GF \\ 
 &  & tags & ProlongationParameter="CarpetProlongateTest::prolongation" \\ 
 &  & timelevels & 3 \\ 
 &  & variable type & REAL \\ 
\hline 
scaled &  & compact & 0 \\ 
 & uscaled & description & Scaled grid function \\ 
 &  & dimensions & 3 \\ 
 &  & distribution & DEFAULT \\ 
 &  & group type & GF \\ 
 &  & timelevels & 3 \\ 
 &  & variable type & REAL \\ 
\hline 
difference &  & compact & 0 \\ 
 & u0 & description & Error in grid function \\ 
 & du & dimensions & 3 \\ 
 &  & distribution & DEFAULT \\ 
 &  & group type & GF \\ 
 &  & timelevels & 3 \\ 
 &  & variable type & REAL \\ 
\hline 
interp\_difference &  & compact & 0 \\ 
 & interp\_x & description & Error in interpolated grid array \\ 
 & interp\_y & dimensions & 3 \\ 
 & interp\_z & distribution & DEFAULT \\ 
 & interp\_u & group type & ARRAY \\ 
 & interp\_u0 & size & INTERP\_NX \\ 
& ~ & size & INTERP\_NY \\ 
 & interp\_u0 & size & INTERP\_NZ \\ 
 & interp\_du & timelevels & 1 \\ 
 &  & variable type & REAL \\ 
\hline 
errornorm & errornorm & compact & 0 \\ 
 &  & description & Norm of error in grid function \\ 
 &  & dimensions & 0 \\ 
 &  & distribution & CONSTANT \\ 
 &  & group type & SCALAR \\ 
 &  & timelevels & 1 \\ 
 &  & variable type & REAL \\ 
\hline 
interp\_errornorm & interp\_errornorm & compact & 0 \\ 
 &  & description & Norm of error in interpolated grid array \\ 
 &  & dimensions & 0 \\ 
 &  & distribution & CONSTANT \\ 
 &  & group type & SCALAR \\ 
 &  & timelevels & 1 \\ 
 &  & variable type & REAL \\ 
\hline 
\end{tabular*} 



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