
\section{Interfaces} 


\parskip = 0pt

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

\noindent {\bf Implements}: 

reduce
\vspace{2mm}
\subsection*{Grid Variables}
\vspace{5mm}\subsubsection{PRIVATE GROUPS}

\vspace{5mm}

\begin{tabular*}{150mm}{|c|c@{\extracolsep{\fill}}|rl|} \hline 
~ {\bf Group Names} ~ & ~ {\bf Variable Names} ~  &{\bf Details} ~ & ~\\ 
\hline 
iweight & iweight & compact & 0 \\ 
 &  & description & Integer weight mask \\ 
& ~ & description &  using 2\^D bits \\ 
 &  & dimensions & 3 \\ 
 &  & distribution & DEFAULT \\ 
 &  & group type & GF \\ 
 &  & tags & prolongation="none" InterpNumTimelevels=1 checkpoint="no" \\ 
 &  & timelevels & 1 \\ 
 &  & variable type & INT \\ 
\hline 
weight & weight & compact & 0 \\ 
 &  & description & Weight function \\ 
 &  & dimensions & 3 \\ 
 &  & distribution & DEFAULT \\ 
 &  & group type & GF \\ 
 &  & tags & prolongation="none" InterpNumTimelevels=1 checkpoint="no" \\ 
 &  & timelevels & 1 \\ 
 &  & variable type & REAL \\ 
\hline 
one & one & compact & 0 \\ 
 &  & description & Constant one \\ 
 &  & dimensions & 3 \\ 
 &  & distribution & DEFAULT \\ 
 &  & group type & GF \\ 
 &  & tags & prolongation="none" InterpNumTimelevels=1 checkpoint="no" \\ 
 &  & timelevels & 1 \\ 
 &  & variable type & REAL \\ 
\hline 
excised\_cells & excised\_cells & compact & 0 \\ 
 &  & description & Excised (ignored) volume in the simulation domain \\ 
& ~ & description &  in terms of coarse grid cells \\ 
 &  & dimensions & 0 \\ 
 &  & distribution & CONSTANT \\ 
 &  & group type & SCALAR \\ 
 &  & tags & checkpoint="no" \\ 
 &  & timelevels & 1 \\ 
 &  & variable type & REAL \\ 
\hline 
\end{tabular*} 



\vspace{5mm}

\noindent {\bf Adds header}: 



bits.h to CarpetReduce\_bits.h
\vspace{2mm}

\noindent {\bf Uses header}: 

nompi.h

defs.hh

dh.hh

dist.hh

vect.hh

carpet.hh

carpet.h

typecase.hh

typeprops.hh

loopcontrol.h
\vspace{2mm}\parskip = 10pt 
