Merge branch 'remotebuild' of github.com:sfilippone/psblas3 into remotebuild

remotebuild
Salvatore Filippone 3 years ago
commit affda2596d

File diff suppressed because one or more lines are too long

@ -206,6 +206,54 @@ Type: {\bf required} \\
An integer value; 0 means no error has been detected. An integer value; 0 means no error has been detected.
\end{description} \end{description}
{\par\noindent\large\bfseries Notes}
If this function is called on a matrix \lstinline|a| on a distributed communicator
only the local part is written in output. To get a single MatrixMarket file with
the whole matrix when appropriate, e.g. for debugging purposes, one could \emph{gather}
the whole matrix on a single rank and then write it. Consider the following example
for a \emph{double} precision matrix\vspace{-0.5em}
\ifpdf
\begin{minted}[breaklines=true,bgcolor=bg,fontsize=\small]{fortran}
type(psb_ldspmat_type) :: aglobal
call psb_gather(aglobal,a,desc_a,info)
if (iam == psb_root_) then
call mm_mat_write(aglobal,mtitle,info,filename)
end if
call psb_spfree(aglobal, desc_a, info)
\end{minted}
\else
\begin{center}
\begin{minipage}[tl]{0.9\textwidth}
\begin{verbatim}
type(psb_ldspmat_type) :: aglobal
call psb_gather(aglobal,a,desc_a,info)
if (iam == psb_root_) then
call mm_mat_write(aglobal,mtitle,info,filename)
end if
call psb_spfree(aglobal, desc_a, info)
\end{verbatim}
\end{minipage}
\end{center}
\fi
To simplify this procedure in \verb|C|, there is a utility function\vspace{-0.5em}
\ifpdf
\begin{minted}[breaklines=true,bgcolor=bg,fontsize=\small]{c}
psb_i_t psb_c_<s,d,c,z>global_mat_write(ah,cdh);
\end{minted}
\else
\begin{center}
\begin{minipage}[tl]{0.9\textwidth}
\begin{verbatim}
psb_i_t psb_c_<s,d,c,z>global_mat_write(ah,cdh);
\end{verbatim}
\end{minipage}
\end{center}
\fi
that produces exactly this result.
\clearpage\subsection{mm\_array\_write --- Write a dense array from a \clearpage\subsection{mm\_array\_write --- Write a dense array from a
file in the MatrixMarket format} file in the MatrixMarket format}

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