You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
775 lines
19 KiB
TeX
775 lines
19 KiB
TeX
\section{Data management and initialization routines}
|
|
\label{sec:toolsrout}
|
|
%
|
|
%% psb_alloc %%
|
|
%
|
|
\subroutine{psb\_geall}{Allocates a dense matrix}
|
|
|
|
\syntax{call psb\_geall}{m, n, x, desc\_a, info, js}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[m] The number of rows of the dense matrix to be allocated.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: Integer scalar.
|
|
\item[n] The number of columns of the dense matrix to be allocated.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: Integer scalar.
|
|
\item[desc\_a] The communication descriptor.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a variable of type \descdata.\\
|
|
\item[js] The starting column.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf optional}\\
|
|
Specified as: Integer scalar.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[x] The dense matrix to be allocated.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a one or two dimensional array.\\
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: Integer scalar.
|
|
\end{description}
|
|
|
|
%
|
|
%% psb_asb %%
|
|
%
|
|
\subroutine{psb\_geasb}{Assembly a dense matrix}
|
|
|
|
\syntax{call psb\_geasb}{x, desc\_a, info}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[desc\_a] The communication descriptor.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a variable of type \descdata.\\
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[x] The dense matrix to be assembled.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a one or two dimensional array.\\
|
|
\item[info] Error code.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: Integer scalar.\\
|
|
\end{description}
|
|
|
|
|
|
%
|
|
%% psb_csrp %%
|
|
%
|
|
\subroutine{psb\_csrp}{Applies a right permutation to a sparse matrix}
|
|
|
|
\syntax{call psb\_csrp}{trans, iperm, a, desc\_a, info}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[trans] A character that specifies whether to permute $A$ or $A^T$.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a single character with value 'N' for $A$ or 'T' for $A^T$.\\
|
|
\item[iperm] An integer array containing permutation information.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer one-dimensional array.\\
|
|
\item[a] The sparse matrix to be permuted.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a \spdata variable.\\
|
|
\item[desc\_a] The communication descriptor of type \descdata.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a variable of type \descdata.\\
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[info] Error code.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: Integer scalar.\\
|
|
\end{description}
|
|
|
|
|
|
%
|
|
%% psb_descprt %%
|
|
%
|
|
\subroutine{psb\_cdprt}{Prints a descriptor}
|
|
|
|
\syntax{call psb\_cdprt}{iout, desc\_a, glob, short}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[iout] An integer that defines the output unit.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: Integer scalar.\\
|
|
\item[desc\_a] The communication descriptor of type \descdata that
|
|
must be printed.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a variable of type \descdata.\\
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[glob] ??????
|
|
\item[short] ??????
|
|
\end{description}
|
|
|
|
|
|
%
|
|
%% psb_free %%
|
|
%
|
|
\subroutine{psb\_gefree}{Frees a dense matrix}
|
|
|
|
\syntax{call psb\_gefree}{x, desc\_a, info}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[x] The dense matrix to
|
|
be freed.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a one or two dimensional array.
|
|
\item[desc\_a] The communication descriptor.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a variable of type \descdata.\\
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[info] Error code.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: Integer scalar.\\
|
|
\end{description}
|
|
|
|
|
|
%
|
|
%% psb_gelp %%
|
|
%
|
|
\subroutine{psb\_gelp}{Applies a left permutation to a dense matrix}
|
|
|
|
\syntax{call psb\_gelp}{trans, iperm, x, desc\_a, info}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[trans] A character that specifies whether to permute $A$ or $A^T$.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a single character with value 'N' for $A$ or 'T' for $A^T$.\\
|
|
\item[iperm] An integer array containing permutation information.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer one-dimensional array.\\
|
|
\item[x] The dense matrix to be permuted.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a one or two dimensional array.\\
|
|
\item[desc\_a] The communication descriptor.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a variable of type \descdata.\\
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[info] Error code.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: Integer scalar.\\
|
|
\end{description}
|
|
|
|
%
|
|
%% psb_spins %%
|
|
%
|
|
\subroutine{psb\_spins}{Insert a cloud of elements into a sparse matrix}
|
|
|
|
\syntax{call psb\_spins}{nz, ia, ja, val, a, desc\_a, info, is, js}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[nz] the number of elements to be inserted.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an integer scalar.
|
|
\item[ia] the row indices of the elements to be inserted.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an integer array of size $nz$.
|
|
\item[ja] the column indices of the elements to be inserted.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an integer array of size $nz$.
|
|
\item[val] the elements to be inserted.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an array of size $nz$.
|
|
\item[desc\_a] The communication descriptor.\\
|
|
Scope: {\bf local}. \\
|
|
Type: {\bf required}.\\
|
|
Specified as: a variable of type \descdata.\\
|
|
\item[is] the starting row on matrix $a$.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf optional}.\\
|
|
Specified as: an integer vaule.
|
|
\item[js] the starting column on matrix $a$.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf optional}\\
|
|
Specified as: an integer value
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[a] the matrix into which elements will be inserted.\\
|
|
Scope:{\bf local}\\
|
|
Type:{\bf required}\\
|
|
Specified as: a structured data of type \spdata.
|
|
\item[info] Error code.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
\end{description}
|
|
|
|
|
|
%
|
|
%% psb_cdall %%
|
|
%
|
|
\subroutine{psb\_cdall}{Allocates a communication descriptor}
|
|
|
|
\syntax{call psb\_cdall}{m, n, parts, icontxt, desc\_a, info}
|
|
\syntax*{call psb\_cdall}{m, v, icontxt, desc\_a, info, flag}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[m] the number of rows of the problem.\\
|
|
Scope:{\bf global}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an integer value.
|
|
\item[n] the number of columns of the problem.\\
|
|
Scope:{\bf global}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an integer value.
|
|
\item[parts] the subroutine that defines the partitioning scheme.\\
|
|
Scope:{\bf global}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a subroutine as described in ???
|
|
\item[icontxt] the communication context.\\
|
|
Scope:{\bf global}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an integer value.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[desc\_a] the communication descriptor.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.\\
|
|
\end{description}
|
|
|
|
|
|
%
|
|
%% psb_cdasb %%
|
|
%
|
|
\subroutine{psb\_cdasb}{Communication descriptor assembly routine}
|
|
|
|
\syntax{call psb\_cdasb}{desc\_a, info}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[desc\_a] the communication descriptor.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.
|
|
\item[arg]
|
|
\end{description}
|
|
|
|
|
|
|
|
%
|
|
%% psb_cdcpy %%
|
|
%
|
|
\subroutine{psb\_cdcpy}{Copies a communication descriptor}
|
|
|
|
\syntax{call psb\_cdcpy}{desc\_out, desc\_a, info}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[desc\_a] the communication descriptor.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[desc\_out] the communication descriptor copy.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.\\
|
|
\end{description}
|
|
|
|
|
|
%
|
|
%% psb_cdfree %%
|
|
%
|
|
\subroutine{psb\_cdfree}{Frees a communication descriptor}
|
|
|
|
\syntax{call psb\_cdfree}{desc\_a, info}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[desc\_a] the communication descriptor to be freed.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.
|
|
\end{description}
|
|
|
|
|
|
%
|
|
%% psb_cdins %%
|
|
%
|
|
\subroutine{psb\_cdins}{Comunnication descriptor insert routine}
|
|
|
|
\syntax{call psb\_cdins}{nz, ia, ja, desc\_a, info, is, js}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[nz] the number of points being inserted.\\
|
|
Scope: {\bf local}.\\
|
|
Type: {\bf required}.\\
|
|
Specified as: an integer value.
|
|
\item[ia] the row indices of the points being inserted.\\
|
|
Scope: {\bf local}.\\
|
|
Type: {\bf required}.\\
|
|
Specified as: an integer array of length $nz$.
|
|
\item[ja] the column indices of the points being inserted.\\
|
|
Scope: {\bf local}.\\
|
|
Type: {\bf required}.\\
|
|
Specified as: an integer array of length $nz$.
|
|
\item[is] the row offset.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf optional}.\\
|
|
Specified as: an integer value.
|
|
\item[js] the column offset.\\
|
|
Scope: {\bf local}.\\
|
|
Type: {\bf optional}.\\
|
|
Specified as: an integer value.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[desc\_a] the communication descriptor to be freed.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.
|
|
\end{description}
|
|
|
|
|
|
|
|
%
|
|
%% psb_cdren %%
|
|
%
|
|
\subroutine{psb\_cdren}{Applies a renumeration to a communication descriptor}
|
|
|
|
\syntax{call psb\_cdren}{trans, iperm, desc\_a, info}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[trans] A character that specifies whether to permute $A$ or $A^T$.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a single character with value 'N' for $A$ or 'T' for $A^T$.\\
|
|
\item[iperm] An integer array containing permutation information.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer one-dimensional array.\\
|
|
\item[desc\_a] the communication descriptor.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.
|
|
\end{description}
|
|
|
|
|
|
|
|
%
|
|
%% psb_spalloc %%
|
|
%
|
|
\subroutine{psb\_spall}{Allocates a sparse matrix}
|
|
|
|
\syntax{call psb\_spall}{a, desc\_a, info, nnz}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[desc\_a] the communication descriptor.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\item[nnz] the number of nonzeroes in the matrix.\\
|
|
Scope: {\bf global}.\\
|
|
Type: {\bf optional}.\\
|
|
Specified as: an integer value.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[a] the matrix to be allocated.\\
|
|
Scope:{\bf local}\\
|
|
Type:{\bf required}\\
|
|
Specified as: a structured data of type \spdata.
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.
|
|
\end{description}
|
|
|
|
|
|
|
|
%
|
|
%% psb_spasb %%
|
|
%
|
|
\subroutine{psb\_spasb}{Sparse matrix assembly routine}
|
|
|
|
\syntax{call psb\_spasb}{a, desc\_a, info, afmt, up, dup}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[desc\_a] the communication descriptor.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\item[afmt] the storage format for the sparse matrix.\\
|
|
Scope: {\bf global}.\\
|
|
Type: {\bf optional}.\\
|
|
Specified as: an array of characters. If not specified 'CSR' will be assumed.
|
|
\item[up] ???.\\
|
|
Scope: {\bf global}.\\
|
|
Type: {\bf optional}.\\
|
|
Specified as: .
|
|
\item[dup] ???.\\
|
|
Scope: {\bf global}.\\
|
|
Type: {\bf optional}.\\
|
|
Specified as:
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[a] the matrix to be assembled.\\
|
|
Scope:{\bf local}\\
|
|
Type:{\bf required}\\
|
|
Specified as: a structured data of type \spdata.
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.
|
|
\end{description}
|
|
|
|
|
|
|
|
%
|
|
%% psb_spcnv %%
|
|
%
|
|
\subroutine{psb\_spcnv}{Converts a sparse matrix storage format}
|
|
|
|
\syntax{call psb\_spcnv}{a, b, desc\_a, info}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[a] the matrix to be converted.\\
|
|
Scope:{\bf local}\\
|
|
Type:{\bf required}\\
|
|
Specified as: a structured data of type \spdata.
|
|
\item[desc\_a] the communication descriptor.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[b] the converted matrix.\\
|
|
Scope:{\bf local}\\
|
|
Type:{\bf required}\\
|
|
Specified as: a structured data of type \spdata.
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.
|
|
\end{description}
|
|
|
|
|
|
|
|
%
|
|
%% psb_spfree %%
|
|
%
|
|
\subroutine{psb\_spfree}{Frees a sparse matrix}
|
|
|
|
\syntax{call psb\_spfree}{a, desc\_a, info}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[a] the matrix to be freed.\\
|
|
Scope:{\bf local}\\
|
|
Type:{\bf required}\\
|
|
Specified as: a structured data of type \spdata.
|
|
\item[desc\_a] the communication descriptor.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.
|
|
\end{description}
|
|
|
|
|
|
|
|
%
|
|
%% psb_ins %%
|
|
%
|
|
\subroutine{psb\_geins}{Dense matrix insertion routine}
|
|
|
|
\syntax{call psb\_geins}{m, n, x, ix, jx, blck, desc\_a, info, iblck, jblck}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[m] rows number of submatrix belonging to blck to be inserted..\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an integer value.
|
|
\item[n] columns number of submatrix belonging to blck to be inserted.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an integer value.
|
|
\item[ix] x global-row corresponding to position at which blck submatrix must be inserted.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an integer value.
|
|
\item[jx] x global-col corresponding to position at which blck submatrix must be inserted.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an integer value.
|
|
\item[blck] the dense submatrix to be inserted.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a one or two dimensional array.
|
|
\item[desc\_a] the communication descriptor.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\item[iblck] first row of submatrix belonging to blck to be inserted.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an integer value.
|
|
\item[jblck] first column of submatrix belonging to blck to be inserted.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: an integer value.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[x] the output dense matrix.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a one or two dimensional array.\\
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.
|
|
\end{description}
|
|
|
|
|
|
|
|
%
|
|
%% psb_sprn %%
|
|
%
|
|
\subroutine{psb\_sprn}{Reinit sparse matrix structure for psblas routines.}
|
|
|
|
\syntax{call psb\_sprn}{a, decsc\_a, info}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[a] the matrix to be reinitialized.\\
|
|
Scope:{\bf local}\\
|
|
Type:{\bf required}\\
|
|
Specified as: a structured data of type \spdata.
|
|
\item[desc\_a] the communication descriptor.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.
|
|
\end{description}
|
|
|
|
%
|
|
%% psb_spupdate %%
|
|
%
|
|
%% \subroutine{psb\_spupdate}{Updates a sparse matrix.}
|
|
|
|
%% \syntax{call psb\_spupdate}{a, ia, ja, blck, desc\_a, info, ix, jx, updflag}
|
|
|
|
%% \begin{description}
|
|
%% \item[\bf On Entry]
|
|
%% \end{description}
|
|
|
|
%% \begin{description}
|
|
%% \item[\bf On Return]
|
|
%% \end{description}
|
|
|
|
|
|
|
|
%
|
|
%% psb_glob_to_loc %%
|
|
%
|
|
\subroutine{psb\_glob\_to\_loc}{Global to local indices convertion}
|
|
|
|
\syntax{call psb\_glob\_to\_loc}{x, y, desc\_a, info, iact}
|
|
\syntax*{call psb\_glob\_to\_loc}{x, desc\_a, info, iact}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[x] An integer vector of indices to be converted.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a rank one integer array.\\
|
|
\item[desc\_a] the communication descriptor.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\item[iact] specifies action to be taken in case of range errors.
|
|
Scope: {\bf global} \\
|
|
Type: {\bf optional}\\
|
|
Specified as: a character variable \verb|E|, \verb|W| or \verb|A|.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[x] If $y$ is not present,
|
|
then $x$ is overwritten with the translated integer indices.
|
|
Scope: {\bf global} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a rank one integer array.
|
|
\item[y] If $y$ is not present,
|
|
then $y$ is overwritten with the translated integer indices, and $x$
|
|
is left unchanged.
|
|
Scope: {\bf global} \\
|
|
Type: {\bf optional}\\
|
|
Specified as: a rank one integer array.
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.
|
|
\end{description}
|
|
|
|
|
|
|
|
%
|
|
%% psb_loc_to_glob %%
|
|
%
|
|
\subroutine{psb\_loc\_to\_glob}{Local to global indices conversion}
|
|
|
|
\syntax{call psb\_loc\_to\_glob}{x, y, desc\_a, info, iact}
|
|
\syntax*{call psb\_loc\_to\_glob}{x, desc\_a, info, iact}
|
|
|
|
\begin{description}
|
|
\item[\bf On Entry]
|
|
\item[x] An integer vector of indices to be converted.\\
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a rank one integer array.\\
|
|
\item[desc\_a] the communication descriptor.\\
|
|
Scope:{\bf local}.\\
|
|
Type:{\bf required}.\\
|
|
Specified as: a structured data of type \descdata.
|
|
\item[iact] specifies action to be taken in case of range errors.
|
|
Scope: {\bf global} \\
|
|
Type: {\bf optional}\\
|
|
Specified as: a character variable \verb|E|, \verb|W| or \verb|A|.
|
|
\end{description}
|
|
|
|
\begin{description}
|
|
\item[\bf On Return]
|
|
\item[x] If $y$ is not present,
|
|
then $x$ is overwritten with the translated integer indices.
|
|
Scope: {\bf global} \\
|
|
Type: {\bf required}\\
|
|
Specified as: a rank one integer array.
|
|
\item[y] If $y$ is not present,
|
|
then $y$ is overwritten with the translated integer indices, and $x$
|
|
is left unchanged.
|
|
Scope: {\bf global} \\
|
|
Type: {\bf optional}\\
|
|
Specified as: a rank one integer array.
|
|
\item[info] Error code.
|
|
Scope: {\bf local} \\
|
|
Type: {\bf required}\\
|
|
Specified as: an integer variable.
|
|
\end{description}
|
|
|
|
%%% Local Variables:
|
|
%%% mode: latex
|
|
%%% TeX-master: "userguide"
|
|
%%% End:
|