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Fixed documentation of INTENT of arguments.

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psblas3-type-indexed
Salvatore Filippone 18 years ago
parent 5982dde3de
commit 5422fda30d
15 changed files with 9549 additions and 9279 deletions
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48
base/modules/psb_comm_mod.f90
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@ -130,104 +130,104 @@ module psb_comm_mod
interface psb_dscatter
subroutine psb_dscatterm(globx, locx, desc_a, info, iroot)
subroutine psb_dscatterm(globx, locx, desc_a, info, root)
use psb_descriptor_type
real(kind(1.d0)), intent(out) :: locx(:,:)
real(kind(1.d0)), intent(in) :: globx(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, intent(in), optional :: iroot
integer, intent(in), optional :: root
end subroutine psb_dscatterm
subroutine psb_dscatterv(globx, locx, desc_a, info, iroot)
subroutine psb_dscatterv(globx, locx, desc_a, info, root)
use psb_descriptor_type
real(kind(1.d0)), intent(out) :: locx(:)
real(kind(1.d0)), intent(in) :: globx(:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, intent(in), optional :: iroot
integer, intent(in), optional :: root
end subroutine psb_dscatterv
subroutine psb_zscatterm(globx, locx, desc_a, info, iroot)
subroutine psb_zscatterm(globx, locx, desc_a, info, root)
use psb_descriptor_type
complex(kind(1.d0)), intent(out) :: locx(:,:)
complex(kind(1.d0)), intent(in) :: globx(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, intent(in), optional :: iroot
integer, intent(in), optional :: root
end subroutine psb_zscatterm
subroutine psb_zscatterv(globx, locx, desc_a, info, iroot)
subroutine psb_zscatterv(globx, locx, desc_a, info, root)
use psb_descriptor_type
complex(kind(1.d0)), intent(out) :: locx(:)
complex(kind(1.d0)), intent(in) :: globx(:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, intent(in), optional :: iroot
integer, intent(in), optional :: root
end subroutine psb_zscatterv
subroutine psb_iscatterm(globx, locx, desc_a, info, iroot)
subroutine psb_iscatterm(globx, locx, desc_a, info, root)
use psb_descriptor_type
integer, intent(out) :: locx(:,:)
integer, intent(in) :: globx(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, intent(in), optional :: iroot
integer, intent(in), optional :: root
end subroutine psb_iscatterm
subroutine psb_iscatterv(globx, locx, desc_a, info, iroot)
subroutine psb_iscatterv(globx, locx, desc_a, info, root)
use psb_descriptor_type
integer, intent(out) :: locx(:)
integer, intent(in) :: globx(:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, intent(in), optional :: iroot
integer, intent(in), optional :: root
end subroutine psb_iscatterv
end interface
interface psb_gather
subroutine psb_igatherm(globx, locx, desc_a, info, iroot)
subroutine psb_igatherm(globx, locx, desc_a, info, root)
use psb_descriptor_type
integer, intent(in) :: locx(:,:)
integer, intent(out) :: globx(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, intent(in), optional :: iroot
integer, intent(in), optional :: root
end subroutine psb_igatherm
subroutine psb_igatherv(globx, locx, desc_a, info, iroot)
subroutine psb_igatherv(globx, locx, desc_a, info, root)
use psb_descriptor_type
integer, intent(in) :: locx(:)
integer, intent(out) :: globx(:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, intent(in), optional :: iroot
integer, intent(in), optional :: root
end subroutine psb_igatherv
subroutine psb_dgatherm(globx, locx, desc_a, info, iroot)
subroutine psb_dgatherm(globx, locx, desc_a, info, root)
use psb_descriptor_type
real(kind(1.d0)), intent(in) :: locx(:,:)
real(kind(1.d0)), intent(out) :: globx(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, intent(in), optional :: iroot
integer, intent(in), optional :: root
end subroutine psb_dgatherm
subroutine psb_dgatherv(globx, locx, desc_a, info, iroot)
subroutine psb_dgatherv(globx, locx, desc_a, info, root)
use psb_descriptor_type
real(kind(1.d0)), intent(in) :: locx(:)
real(kind(1.d0)), intent(out) :: globx(:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, intent(in), optional :: iroot
integer, intent(in), optional :: root
end subroutine psb_dgatherv
subroutine psb_zgatherm(globx, locx, desc_a, info, iroot)
subroutine psb_zgatherm(globx, locx, desc_a, info, root)
use psb_descriptor_type
complex(kind(1.d0)), intent(in) :: locx(:,:)
complex(kind(1.d0)), intent(out) :: globx(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, intent(in), optional :: iroot
integer, intent(in), optional :: root
end subroutine psb_zgatherm
subroutine psb_zgatherv(globx, locx, desc_a, info, iroot)
subroutine psb_zgatherv(globx, locx, desc_a, info, root)
use psb_descriptor_type
complex(kind(1.d0)), intent(in) :: locx(:)
complex(kind(1.d0)), intent(out) :: globx(:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, intent(in), optional :: iroot
integer, intent(in), optional :: root
end subroutine psb_zgatherv
end interface

4
base/modules/psb_tools_mod.f90
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@ -590,7 +590,7 @@ Module psb_tools_mod
subroutine psb_get_ovrlap(ovrel,desc,info)
use psb_descriptor_type
implicit none
integer, allocatable :: ovrel(:)
integer, allocatable, intent(out) :: ovrel(:)
type(psb_desc_type), intent(in) :: desc
integer, intent(out) :: info
end subroutine psb_get_ovrlap
@ -604,7 +604,7 @@ contains
use psb_descriptor_type
use psi_mod
implicit none
integer, allocatable :: bndel(:)
integer, allocatable, intent(out) :: bndel(:)
type(psb_desc_type), intent(in) :: desc
integer, intent(out) :: info

18
base/serial/psb_dcoins.f90
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@ -449,12 +449,12 @@ contains
implicit none
integer, intent(in) :: nz, imin,imax,jmin,jmax,nzl,maxsz
integer, intent(in) :: ia(*),ja(*)
integer, intent(in) :: ia(:),ja(:)
integer, intent(inout) :: nza
real(kind(1.d0)), intent(in) :: val(*)
real(kind(1.d0)), intent(inout) :: aspk(*)
real(kind(1.d0)), intent(in) :: val(:)
real(kind(1.d0)), intent(inout) :: aspk(:)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
integer, intent(in), optional :: ng,gtl(:)
integer :: i,ir,ic
if (present(gtl)) then
@ -522,12 +522,12 @@ contains
implicit none
integer, intent(in) :: nz, imin,imax,jmin,jmax,maxsz
integer, intent(in) :: ia(*),ja(*)
integer, intent(inout) :: nza,ia1(*),ia2(*)
real(kind(1.d0)), intent(in) :: val(*)
real(kind(1.d0)), intent(inout) :: aspk(*)
integer, intent(in) :: ia(:),ja(:)
integer, intent(inout) :: nza,ia1(:),ia2(:)
real(kind(1.d0)), intent(in) :: val(:)
real(kind(1.d0)), intent(inout) :: aspk(:)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
integer, intent(in), optional :: ng,gtl(:)
integer :: i,ir,ic
info = 0

18
base/serial/psb_zcoins.f90
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@ -449,12 +449,12 @@ contains
implicit none
integer, intent(in) :: nz, imin,imax,jmin,jmax,nzl,maxsz
integer, intent(in) :: ia(*),ja(*)
integer, intent(in) :: ia(:),ja(:)
integer, intent(inout) :: nza
complex(kind(1.d0)), intent(in) :: val(*)
complex(kind(1.d0)), intent(inout) :: aspk(*)
complex(kind(1.d0)), intent(in) :: val(:)
complex(kind(1.d0)), intent(inout) :: aspk(:)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
integer, intent(in), optional :: ng,gtl(:)
integer :: i,ir,ic
if (present(gtl)) then
@ -522,12 +522,12 @@ contains
implicit none
integer, intent(in) :: nz, imin,imax,jmin,jmax,maxsz
integer, intent(in) :: ia(*),ja(*)
integer, intent(inout) :: nza,ia1(*),ia2(*)
complex(kind(1.d0)), intent(in) :: val(*)
complex(kind(1.d0)), intent(inout) :: aspk(*)
integer, intent(in) :: ia(:),ja(:)
integer, intent(inout) :: nza,ia1(:),ia2(:)
complex(kind(1.d0)), intent(in) :: val(:)
complex(kind(1.d0)), intent(inout) :: aspk(:)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
integer, intent(in), optional :: ng,gtl(:)
integer :: i,ir,ic
info = 0

2
base/tools/psb_get_overlap.f90
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@ -3,7 +3,7 @@ subroutine psb_get_ovrlap(ovrel,desc,info)
use psb_realloc_mod
use psb_error_mod
implicit none
integer, allocatable :: ovrel(:)
integer, allocatable, intent(out) :: ovrel(:)
type(psb_desc_type), intent(in) :: desc
integer, intent(out) :: info

140
docs/pdf/commrout.tex
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@ -41,21 +41,25 @@ Long Precision Complex & psb\_halo \\
\item[x] global dense matrix $x$.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf inout}.\\
Specified as: a rank one or two array with the TARGET attribute
containing numbers of type specified in
Table~\ref{tab:f90halo}.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[alpha] the scalar $\alpha$.\\
Scope: {\bf global} \\
Type: {\bf optional} \\
Intent: {\bf in}.\\
Default: $alpha = 1 $\\
Specified as: a number of the data type indicated in Table~\ref{tab:f90halo}.
\item[work] the work array. \\
Scope: {\bf local} \\
Type: {\bf optional}\\
Intent: {\bf inout}.\\
Specified as: a rank one array of the same type of $x$ with the
POINTER attribute.
\item[data] index list selector.\\
@ -70,12 +74,14 @@ index list on which to base the data exchange.
\item[x] global dense result matrix $x$.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf inout}.\\
Returned as: a rank one or two array
containing numbers of type specified in
Table~\ref{tab:f90halo}.
\item[info] the local portion of result submatrix $y$.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value that contains an error code.
\end{description}
\begin{figure}[h] \begin{center}
@ -183,12 +189,14 @@ Long Precision Complex & psb\_ovrl \\
\item[x] global dense matrix $x$.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf inout}.\\
Specified as: a rank one or two array
containing numbers of type specified in
Table~\ref{tab:f90ovrl}.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[update] Update operator. \\
\begin{description}
@ -198,24 +206,28 @@ Specified as: a structured data of type \descdata.
%% \item[update = psb\_square\_root\_] square root update $\sqrt{P_a}$;
\end{description}
Scope: {\bf global} \\
Intent: {\bf in}.\\
Default: $update\_type = psb\_avg\_ $\\
Scope: {\bf global} \\
Specified as: a integer variable.
\item[work] the work array. \\
Scope: {\bf local} \\
Type: {\bf optional}\\
Intent: {\bf inout}.\\
Specified as: a one dimensional array of the same type of $x$.
\item[\bf On Return]
\item[x] global dense result matrix $x$.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf inout}.\\
Specified as: an array of rank one or two
containing numbers of type specified in
Table~\ref{tab:f90ovrl}.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -333,7 +345,7 @@ process.
\[ glob\_x \leftarrow collect(loc\_x_i) \]
where:
\begin{description}
\item[$glob\_x$] is the global submatrix $glob\_x_{iy:iy+m-1,jy:jy+n-1}$
\item[$glob\_x$] is the global submatrix $glob\_x_{1:m,1:n}$
\item[$loc\_x_i$] is the local portion of global dense matrix on
process $i$.
\item[$collect$] is the collect function.
@ -353,10 +365,8 @@ Long Precision Complex & psb\_gather \\
\caption{Data types\label{tab:gather}}
\end{table}
\syntax{call psb\_gather}{glob\_x, loc\_x, desc\_a, info,
root, iglobx, jglobx, ilocx, jlocx, k}
\syntax{call psb\_gather}{glob\_x, loc\_x, desc\_a, info,
root, iglobx, ilocx}
\syntax{call psb\_gather}{glob\_x, loc\_x, desc\_a, info, root}
\syntax{call psb\_gather}{glob\_x, loc\_x, desc\_a, info, root}
\begin{description}
\item[\bf On Entry]
@ -364,49 +374,54 @@ Long Precision Complex & psb\_gather \\
$glob\_x$. \\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a rank one or two array containing numbers of the type
indicated in Table~\ref{tab:gather}.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[root] The process that holds the global copy. If $root=-1$ all
the processes will have a copy of the global vector.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Specified as: an integer variable $-1\le ix\le np-1$, default $-1$.
\item[iglobx] Row index to define a submatrix in glob\_x into which
gather the local pieces.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Specified as: an integer variable $1\le ix\le matrix\_data(psb\_m\_)$.
\item[jglobx] Column index to define a submatrix in glob\_x into which
gather the local pieces.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Specified as: an integer variable.
\item[ilocx] Row index to define a submatrix in loc\_x that has to
be gathered into glob\_x.\\
Scope: {\bf local} \\
Type: {\bf optional}\\
Specified as: an integer variable.
\item[jlocx] Columns index to define a submatrix in loc\_x that has
to be gathered into glob\_x.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Specified as: an integer variable.
\item[k] The number of columns to gather.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Specified as: an integer variable.
Intent: {\bf in}.\\
Specified as: an integer variable $-1\le root\le np-1$, default $-1$.
%% \item[iglobx] Row index to define a submatrix in glob\_x into which
%% gather the local pieces.\\
%% Scope: {\bf global} \\
%% Type: {\bf optional}\\
%% Specified as: an integer variable $1\le ix\le matrix\_data(psb\_m\_)$.
%% \item[jglobx] Column index to define a submatrix in glob\_x into which
%% gather the local pieces.\\
%% Scope: {\bf global} \\
%% Type: {\bf optional}\\
%% Specified as: an integer variable.
%% \item[ilocx] Row index to define a submatrix in loc\_x that has to
%% be gathered into glob\_x.\\
%% Scope: {\bf local} \\
%% Type: {\bf optional}\\
%% Specified as: an integer variable.
%% \item[jlocx] Columns index to define a submatrix in loc\_x that has
%% to be gathered into glob\_x.\\
%% Scope: {\bf global} \\
%% Type: {\bf optional}\\
%% Specified as: an integer variable.
%% \item[k] The number of columns to gather.\\
%% Scope: {\bf global} \\
%% Type: {\bf optional}\\
%% Specified as: an integer variable.
\item[\bf On Return]
\item[glob\_x] The array where the local parts must be gathered.\\
Scope: {\bf global} \\
Type: {\bf required}\\
Intent: {\bf out}.\\
Specified as: a rank one or two array.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -421,10 +436,10 @@ An integer value; 0 means no error has been detected.
These subroutines scatters the portions of global dense matrix owned
by a process to all the processes in the processes grid.
\[ loc\_x_i \leftarrow scatter(glob\_x_i) \]
\[ loc\_x_i \leftarrow scatter(glob\_x) \]
where:
\begin{description}
\item[$glob\_x$] is the global submatrix $glob\_x_{iy:iy+m-1,jy:jy+n-1}$
\item[$glob\_x$] is the global matrix $glob\_x_{1:m,1:n}$
\item[$loc\_x_i$] is the local portion of global dense matrix on
process $i$.
\item[$scatter$] is the scatter function.
@ -444,60 +459,63 @@ Long Precision Complex & psb\_scatter \\
\caption{Data types\label{tab:scatter}}
\end{table}
\syntax{call psb\_scatter}{glob\_x, loc\_x, desc\_a, info,
root, iglobx, jglobx, ilocx, jlocx, k}
\syntax{call psb\_scatter}{glob\_x, loc\_x, desc\_a, info,
root, iglobx, ilocx}
\syntax{call psb\_scatter}{glob\_x, loc\_x, desc\_a, info, root}
\syntax{call psb\_scatter}{glob\_x, loc\_x, desc\_a, info, root}
\begin{description}
\item[\bf On Entry]
\item[glob\_x] The array that must be scattered into local pieces.\\
Scope: {\bf global} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a rank one or two array.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[root] The process that holds the global copy. If $root=-1$ all
the processes have a copy of the global vector.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Specified as: an integer variable $-1\le ix\le np-1$, default $-1$.
\item[iglobx] Row index to define a submatrix in glob\_x that has to
be scattered into local pieces.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Specified as: an integer variable $1\le ix\le matrix\_data(psb\_m\_)$.
\item[jglobx] Column index to define a submatrix in glob\_x that has to
be scattered into local pieces.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Specified as: an integer variable.
\item[ilocx] Row index to define a submatrix in loc\_x into which
scatter the local piece of glob\_x.\\
Scope: {\bf local} \\
Type: {\bf optional}\\
Specified as: an integer variable.
\item[jlocx] Columns index to define a submatrix in loc\_x into which
scatter the local piece of glob\_x.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Specified as: an integer variable.
\item[k] The number of columns to scatter.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Specified as: an integer variable.
Intent: {\bf in}.\\
Specified as: an integer variable $-1\le root\le np-1$, default $-1$.
%% \item[iglobx] Row index to define a submatrix in glob\_x that has to
%% be scattered into local pieces.\\
%% Scope: {\bf global} \\
%% Type: {\bf optional}\\
%% Specified as: an integer variable $1\le ix\le matrix\_data(psb\_m\_)$.
%% \item[jglobx] Column index to define a submatrix in glob\_x that has to
%% be scattered into local pieces.\\
%% Scope: {\bf global} \\
%% Type: {\bf optional}\\
%% Specified as: an integer variable.
%% \item[ilocx] Row index to define a submatrix in loc\_x into which
%% scatter the local piece of glob\_x.\\
%% Scope: {\bf local} \\
%% Type: {\bf optional}\\
%% Specified as: an integer variable.
%% \item[jlocx] Columns index to define a submatrix in loc\_x into which
%% scatter the local piece of glob\_x.\\
%% Scope: {\bf global} \\
%% Type: {\bf optional}\\
%% Specified as: an integer variable.
%% \item[k] The number of columns to scatter.\\
%% Scope: {\bf global} \\
%% Type: {\bf optional}\\
%% Specified as: an integer variable.
\item[\bf On Return]
\item[loc\_x] the local portion of global dense matrix
$glob\_x$. \\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf out}.\\
Specified as: a rank one or two array containing numbers of the type
indicated in Table~\ref{tab:scatter}.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}

8
docs/pdf/datastruct.tex
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@ -364,6 +364,7 @@ research.
\item[desc] the communication descriptor.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\end{description}
@ -385,6 +386,7 @@ Specified as: a structured data of type \descdata.
\item[desc] the communication descriptor.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\end{description}
@ -407,6 +409,7 @@ Specified as: a structured data of type \descdata.
\item[desc] the communication descriptor.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\end{description}
@ -424,6 +427,7 @@ Specified as: a structured data of type \descdata.
\item[desc] the communication descriptor.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\end{description}
@ -441,6 +445,7 @@ Specified as: a structured data of type \descdata.
\item[desc] the communication descriptor.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\end{description}
@ -460,6 +465,7 @@ Specified as: a structured data of type \descdata.
\item[a] the sparse matrix\\
Scope: {\bf local}\\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \spdata.
\end{description}
@ -478,6 +484,7 @@ Specified as: a structured data of type \spdata.
\item[a] the sparse matrix\\
Scope: {\bf local}\\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \spdata.
\end{description}
@ -496,6 +503,7 @@ Specified as: a structured data of type \spdata.
\item[a] the sparse matrix\\
Scope: {\bf local}\\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \spdata.
\end{description}

7
docs/pdf/error.tex
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@ -125,10 +125,12 @@ Aborting...
\item[err\_c] the error code\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: an integer.
\item[r\_name] the soutine where the error has been caught.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a string.\\
\item[i\_err] addional info for error code\\
Scope: {\bf local} \\
@ -149,6 +151,7 @@ Specified as: a string.\\
\item[icontxt] the communication context.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Intent: {\bf in}.\\
Specified as: an integer.
\end{description}
@ -163,6 +166,7 @@ Specified as: an integer.
\item[v] the verbosity level\\
Scope: {\bf global}\\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: an integer.
\end{description}
@ -176,6 +180,7 @@ Specified as: an integer.
\item[err\_act] the type of action.\\
Scope: {\bf global} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: an integer.
\end{description}
@ -190,10 +195,12 @@ Specified as: an integer.
\item[icontxt] the communication context.\\
Scope: {\bf global} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: an integer.
\item[err] the error code to be communicated\\
Scope: {\bf global} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: an integer.\\
\end{description}

14
docs/pdf/methods.tex
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@ -45,63 +45,77 @@ $r_i=b-Ax_i$ the corresponding residual at the $i$-th iteration.
$A$. \\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \spdata.
\item[prec] The data structure containing the preconditioner.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \precdata.
\item[b] The RHS vector. \\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a rank one array.
\item[x] The initial guess. \\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: a rank one array.
\item[eps] The stopping tolerance. \\
Scope: {\bf global} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a real number.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[itmax] The maximum number of iterations to perform.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Intent: {\bf in}.\\
Default: $itmax = 1000$.\\
Specified as: an integer variable $itmax \ge 1$.
\item[itrace] If $>0$ print out an informational message about
convergence every $itrace$ iterations.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Intent: {\bf in}.\\
\item[irst] An integer specifying the restart parameter.\\
Scope: {\bf global} \\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Values: $irst>0$. This is employed for the BiCGSTABL or RGMRES
methods, otherwise it is ignored.
\item[istop] An integer specifying the stopping criterion.\\
Scope: {\bf global} \\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Values: 1: use the normwise backward error, 2: use the scaled 2-norm
of the residual. Default: 1.
\item[\bf On Return]
\item[x] The computed solution. \\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: a rank one array.
\item[iter] The number of iterations performed.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Intent: {\bf out}.\\
Returned as: an integer variable.
\item[err] The convergence estimate on exit.\\
Scope: {\bf global} \\
Type: {\bf optional}\\
Intent: {\bf out}.\\
Returned as: a real number.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}

46
docs/pdf/penv.tex
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@ -13,6 +13,7 @@ a virtual parallel machine.
\item[np] Number of processes in the PSBLAS virtual parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value. \
Default: use all available processes provided by the underlying
parallel environment.
@ -24,6 +25,7 @@ parallel environment.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf out}.\\
Specified as: an integer variable.
\end{description}
@ -49,6 +51,7 @@ a virtual parallel machine.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\end{description}
@ -57,10 +60,12 @@ Specified as: an integer variable.
\item[iam] Identifier of current process in the PSBLAS virtual parallel machine.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf out}.\\
Specified as: an integer value. $-1 \le iam \le np-1$\
\item[np] Number of processes in the PSBLAS virtual parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf out}.\\
Specified as: an integer variable. \
\end{description}
@ -89,11 +94,13 @@ This subroutine exits from the PSBLAS parallel virtual machine.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\item[close] Whether to close all data structures related to the
virtual parallel machine, besides those associated with icontxt.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: a logical variable, default value: true.
\end{description}
@ -122,6 +129,7 @@ This subroutine returns the MPI communicator associated with a PSBLAS context
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\end{description}
@ -130,6 +138,7 @@ Specified as: an integer variable.
\item[icomm] The MPI communicator associated with the PSBLAS virtual parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf out}.\\
\end{description}
@ -144,10 +153,12 @@ This subroutine returns the MPI rank of the PSBLAS process $id$
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\item[id] Identifier of a process in the PSBLAS virtual parallel machine.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer value. $0 \le id \le np-1$\
\end{description}
@ -156,6 +167,7 @@ Specified as: an integer value. $0 \le id \le np-1$\
\item[rank] The MPI rank associated with the PSBLAS process $id$.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf out}.\\
\end{description}
@ -187,6 +199,7 @@ participating processes.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\end{description}
@ -202,6 +215,7 @@ This subroutine aborts computation on the parallel virtual machine.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\end{description}
@ -221,16 +235,19 @@ underlying communication library.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\item[dat] On the root process, the data to be broadcast.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer, real or complex variable, which may be a
scalar, or a rank 1 or 2 array, or a character or logical scalar. \
Type, rank and size must agree on all processes.
\item[root] Root process holding data to be broadcast.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value $0<= root <= np-1$, default 0 \
\end{description}
@ -240,6 +257,7 @@ Specified as: an integer value $0<= root <= np-1$, default 0 \
\item[dat] On processes other than root, the data to be broadcast.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer, real or complex variable, which may be a
scalar, or a rank 1 or 2 array, or a character or logical scalar. \
Type, rank and size must agree on all processes.
@ -258,10 +276,12 @@ underlying communication library.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\item[dat] The local contribution to the global sum.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer, real or complex variable, which may be a
scalar, or a rank 1 or 2 array. \
Type, rank and size must agree on all processes.
@ -269,6 +289,7 @@ Type, rank and size must agree on all processes.
on all processes.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value $-1<= root <= np-1$, default -1. \
\end{description}
@ -278,6 +299,7 @@ Specified as: an integer value $-1<= root <= np-1$, default -1. \
\item[dat] On destination process(es), the result of the sum operation.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer, real or complex variable, which may be a
scalar, or a rank 1 or 2 array. \\
Type, rank and size must agree on all processes.
@ -304,10 +326,12 @@ operation based on the underlying communication library.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\item[dat] The local contribution to the global maximum.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer or real variable, which may be a
scalar, or a rank 1 or 2 array. \
Type, rank and size must agree on all processes.
@ -315,6 +339,7 @@ Type, rank and size must agree on all processes.
on all processes.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value $-1<= root <= np-1$, default -1. \\
\end{description}
@ -324,6 +349,7 @@ Specified as: an integer value $-1<= root <= np-1$, default -1. \\
\item[dat] On destination process(es), the result of the maximum operation.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer or real variable, which may be a
scalar, or a rank 1 or 2 array. \
Type, rank and size must agree on all processes.
@ -349,10 +375,12 @@ operation based on the underlying communication library.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\item[dat] The local contribution to the global minimum.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer or real variable, which may be a
scalar, or a rank 1 or 2 array. \
Type, rank and size must agree on all processes.
@ -360,6 +388,7 @@ Type, rank and size must agree on all processes.
on all processes.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value $-1<= root <= np-1$, default -1. \\
\end{description}
@ -369,6 +398,7 @@ Specified as: an integer value $-1<= root <= np-1$, default -1. \\
\item[dat] On destination process(es), the result of the minimum operation.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer or real variable, which may be a
scalar, or a rank 1 or 2 array. \\
Type, rank and size must agree on all processes.
@ -394,10 +424,12 @@ operation based on the underlying communication library.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\item[dat] The local contribution to the global maximum.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer, real or complex variable, which may be a
scalar, or a rank 1 or 2 array. \
Type, rank and size must agree on all processes.
@ -405,6 +437,7 @@ Type, rank and size must agree on all processes.
on all processes.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value $-1<= root <= np-1$, default -1. \\
\end{description}
@ -414,6 +447,7 @@ Specified as: an integer value $-1<= root <= np-1$, default -1. \\
\item[dat] On destination process(es), the result of the maximum operation.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer, real or complex variable, which may be a
scalar, or a rank 1 or 2 array. \
Type, rank and size must agree on all processes.
@ -439,10 +473,12 @@ operation based on the underlying communication library.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\item[dat] The local contribution to the global minimum.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer, real or complex variable, which may be a
scalar, or a rank 1 or 2 array. \
Type, rank and size must agree on all processes.
@ -450,6 +486,7 @@ Type, rank and size must agree on all processes.
on all processes.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value $-1<= root <= np-1$, default -1. \\
\end{description}
@ -459,6 +496,7 @@ Specified as: an integer value $-1<= root <= np-1$, default -1. \\
\item[dat] On destination process(es), the result of the minimum operation.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer, real or complex variable, which may be a
scalar, or a rank 1 or 2 array. \\
Type, rank and size must agree on all processes.
@ -484,10 +522,12 @@ This subroutine sends a packet of data to a destination.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\item[dat] The data to be sent.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer, real or complex variable, which may be a
scalar, or a rank 1 or 2 array, or a character or logical scalar. \
Type and rank must agree on sender and receiver process; if $m$ is
@ -495,10 +535,12 @@ not specified, size must agree as well.
\item[dst] Destination process.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer value $0<= dst <= np-1$. \\
\item[m] Number of rows.\\
Scope: {\bf global}.\\
Type: {\bf Optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value $0<= m <= size(dat,1)$. \\
When $dat$ is a rank 2 array, specifies the number of rows to be sent
independently of the leading dimension $size(dat,1)$; must have the
@ -521,14 +563,17 @@ This subroutine receives a packet of data to a destination.
parallel machine.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer variable.
\item[src] Source process.\\
Scope: {\bf global}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer value $0<= src <= np-1$. \\
\item[m] Number of rows.\\
Scope: {\bf global}.\\
Type: {\bf Optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value $0<= m <= size(dat,1)$. \\
When $dat$ is a rank 2 array, specifies the number of rows to be sent
independently of the leading dimension $size(dat,1)$; must have the
@ -541,6 +586,7 @@ same value on sending and receiving processes.
\item[dat] The data to be received.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer, real or complex variable, which may be a
scalar, or a rank 1 or 2 array, or a character or logical scalar. \
Type and rank must agree on sender and receiver process; if $m$ is

31
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@ -30,13 +30,10 @@ module \verb|psb_prec_mod|.
\begin{description}
\item[\bf On Entry]
\item[prec]
Scope: {\bf local} \\
Type: {\bf required}\\
Specified as: a preconditioner data structure \precdata.
\item[ptype] the type of preconditioner.
Scope: {\bf global} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a character string, see usage notes.
%% \item[iv] integer parameters for the precondtioner.
%% Scope: {\bf global} \\
@ -48,9 +45,15 @@ Specified as: a character string, see usage notes.
%% Specified as: a long precision real number.
\item[\bf On Exit]
\item[prec]
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: a preconditioner data structure \precdata.
\item[info]
Scope: {\bf global} \\
Type: {\bf required}\\
Intent: {\bf out}.\\
Error code: if no error, 0 is returned.
\end{description}
\subsection*{Usage Notes}
@ -153,14 +156,22 @@ $ptype$ string as follows\footnote{The string is case-insensitive}:
\item[a] the system sparse matrix.
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}, target.\\
Specified as: a sparse matrix data structure \spdata.
\item[prec] the preconditioner.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: an already initialized precondtioner data structure \precdata\\
\item[desc\_a] the problem communication descriptor.
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}, target.\\
Specified as: a communication descriptor data structure \descdata.
\item[upd]
Scope: {\bf global} \\
Type: {\bf optional}\\
Intent: {\bf in}.\\
Specified as: a character.
\end{description}
@ -169,10 +180,12 @@ Specified as: a character.
\item[prec] the preconditioner.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: a precondtioner data structure \precdata\\
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -188,22 +201,27 @@ An integer value; 0 means no error has been detected.
\item[prec] the preconditioner.
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a preconditioner data structure \precdata.
\item[x] the source vector.
Scope: {\bf local} \\
Type: {\bf require}\\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: a double precision array.
\item[desc\_a] the problem communication descriptor.
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a communication data structure \descdata.
\item[trans]
Scope: {\bf } \\
Type: {\bf optional}\\
Intent: {\bf in}.\\
Specified as: a character.
\item[work] an optional work space
Scope: {\bf local} \\
Type: {\bf optional}\\
Intent: {\bf inout}.\\
Specified as: a double precision array.
\end{description}
@ -212,10 +230,12 @@ Specified as: a double precision array.
\item[y] the destination vector.
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: a double precision array.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -230,6 +250,7 @@ An integer value; 0 means no error has been detected.
\item[prec] the preconditioner.
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a preconditioner data structure \precdata.
\end{description}

63
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@ -39,27 +39,32 @@ Long Precision Complex & psb\_geaxpby \\
\item[alpha] the scalar $\alpha$.\\
Scope: {\bf global} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a number of the data type indicated in Table~\ref{tab:f90axpby}.
\item[x] the local portion of global dense matrix
$x$.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a rank one or two array
containing numbers of type
specified in Table~\ref{tab:f90axpby}. The rank of $x$ must be the same of $y$.
\item[beta] the scalar $\beta$.\\
Scope: {\bf global} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a number of the data type indicated in Table~\ref{tab:f90axpby}.
\item[y] the local portion of the global dense matrix
$y$. \\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf inout}.\\
Specified as: a rank one or two array containing numbers of the type
indicated in Table~\ref{tab:f90axpby}. The rank of $y$ must be the same of $x$.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
%% \item[n] number of columns in dense submatrices $x$ and $y$.\\
%% Scope: {\bf global} \\
@ -86,11 +91,13 @@ Specified as: a structured data of type \descdata.
\item[y] the local portion of result submatrix $y$.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf inout}.\\
Specified as: a rank one or two array containing numbers of the type
indicated in Table~\ref{tab:f90axpby}.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -140,6 +147,7 @@ $x$.\\
%% local subarray used, based on $jx$ and the field $matrix\_data$ of $desc\_a$ . \\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: an array of rank one or two
containing numbers of type specified in
Table~\ref{tab:f90dot}. The rank of $x$ must be the same of $y$.
@ -149,12 +157,14 @@ $y$. \\
%% local subarray used, based on $iy, jy$ and the field $matrix\_data$ of $desc\_a$ . \\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: an array of rank one or two
containing numbers of type specified in
Table~\ref{tab:f90dot}. The rank of $y$ must be the same of $x$.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
%% \item[jx] the column index of global dense matrix $x$,
%% identifying the column of subvector $x$.\\
@ -175,6 +185,7 @@ Specified as: a number of the data type indicated in Table~\ref{tab:f90dot}.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@ -214,6 +225,7 @@ Long Precision Complex & psb\_gedots \\
$x$. \\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: an array of rank one or two
containing numbers of type specified in
Table~\ref{tab:f90mdot}. The rank of $x$ must be the same of $y$.
@ -221,21 +233,25 @@ Table~\ref{tab:f90mdot}. The rank of $x$ must be the same of $y$.
$y$. \\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: an array of rank one or two
containing numbers of type specified in
Table~\ref{tab:f90mdot}. The rank of $y$ must be the same of $x$.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[\bf On Return]
\item[res] is the dot product of subvectors $x$ and $y$.\\
Scope: {\bf global} \\
Intent: {\bf out}.\\
Specified as: a number or a rank-one array of the data type indicated
in Table~\ref{tab:f90dot}.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -286,12 +302,14 @@ $x$. %% This function computes the location of the first element of
\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a rank one or two array
containing numbers of type specified in
Table~\ref{tab:f90amax}.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
%% \item[jx] the column index of global dense matrix $x$,
%% identifying the column of subvector $x$.\\
@ -307,6 +325,7 @@ Specified as: a long precision real number.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@ -342,20 +361,24 @@ Long Precision Real &Long Precision Complex & psb\_geamaxs\\
$x$. \\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a rank one or two array
containing numbers of type specified in
Table~\ref{tab:f90mamax}.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[\bf On Return]
\item[res] is the infinity norm of the columns of $x$.\\
Scope: {\bf global} \\
Intent: {\bf out}.\\
Specified as: a number or a rank-one array of long precision real numbers.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -400,12 +423,14 @@ $x$. %% This function computes the location of the first element of
\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a rank one or two array
containing numbers of type specified in
Table~\ref{tab:f90asum}.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[\bf On Return]
@ -415,6 +440,7 @@ Specified as: a long precision real number.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -456,21 +482,25 @@ $x$. %% This function computes the location of the first element of
\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a rank one or two array
containing numbers of type specified in
Table~\ref{tab:f90asums}.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[\bf On Return]
\item[res] contains the 1-norm of (the columns of) $x$.\\
Scope: {\bf global} \\
Intent: {\bf out}.\\
Specified as: a long precision real number.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -519,12 +549,14 @@ $x$.%% This function computes the location of the first element of
\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a rank one or two array
containing numbers of type specified in
Table~\ref{tab:f90nrm2}.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
%% \item[jx] the column index of global dense matrix $x$,
%% identifying the column of subvector $x$.\\
@ -541,6 +573,7 @@ Specified as: a long precision real number.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -584,21 +617,25 @@ $x$. %% This function computes the location of the first element of
\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a rank one or two array
containing numbers of type specified in
Table~\ref{tab:f90nrm2s}.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[\bf On Return]
\item[res] contains the 1-norm of (the columns of) $x$.\\
Scope: {\bf global} \\
Intent: {\bf out}.\\
Specified as: a long precision real number.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -643,10 +680,12 @@ Long Precision Complex & psb\_spnrmi \\
$A$. \\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \spdata.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[\bf On Return]
\item[Function value] is the infinity-norm of sparse submatrix $A$.\\
@ -655,6 +694,7 @@ Specified as: a long precision real number.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -714,12 +754,14 @@ trans, work}
\item[alpha] the scalar $\alpha$.\\
Scope: {\bf global} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a number of the data type indicated in
Table~\ref{tab:f90spmm}.
\item[a] the local portion of the sparse matrix
$A$. \\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \spdata.
\item[x] the local portion of global dense matrix
$x$. %% This subroutine computes the location of the first element of
@ -727,12 +769,14 @@ $x$. %% This subroutine computes the location of the first element of
\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a rank one or two array
containing numbers of type specified in
Table~\ref{tab:f90spmm}. The rank of $x$ must be the same of $y$.
\item[beta] the scalar $\beta$.\\
Scope: {\bf global} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a number of the data type indicated in Table~\ref{tab:f90spmm}.
\item[y] the local portion of global dense matrix
$y$. %% This subroutine computes the location of the first element of
@ -740,12 +784,14 @@ $y$. %% This subroutine computes the location of the first element of
\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf inout}.\\
Specified as: a rank one or two array
containing numbers of type specified in
Table~\ref{tab:f90spmm}. The rank of $y$ must be the same of $x$.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[trans] indicate what kind of operation to perform.
\begin{description}
@ -757,6 +803,7 @@ Specified as: a structured data of type \descdata.
\end{description}
Scope: {\bf global} \\
Type: {\bf optional}\\
Intent: {\bf in}.\\
Default: $trans = N$\\
Specified as: a character variable.
%% \item[k] number of columns in dense submatrices $x$ and $y$. \\
@ -780,6 +827,7 @@ Specified as: a character variable.
\item[work] work array.\\
Scope: {\bf local} \\
Type: {\bf optional}\\
Intent: {\bf inout}.\\
Specified as: a rank one array of the same type of $x$ and $y$ with
the TARGET attribute.
@ -787,12 +835,14 @@ the TARGET attribute.
\item[y] the local portion of result submatrix $y$.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf inout}.\\
Specified as: an array of rank one or two
containing numbers of type specified in
Table~\ref{tab:f90spmm}.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -854,12 +904,14 @@ Long Precision Complex & psb\_spsm \\
\item[alpha] the scalar $\alpha$.\\
Scope: {\bf global} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a number of the data type indicated in
Table~\ref{tab:f90spsm}.
\item[t] the global portion of the sparse matrix
$T$. \\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data type specified in
\S~\ref{sec:datastruct}.
\item[x] the local portion of global dense matrix
@ -868,12 +920,14 @@ $x$. %% This subroutine computes the location of the first element of
\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a rank one or two array
containing numbers of type specified in
Table~\ref{tab:f90spsm}. The rank of $x$ must be the same of $y$.
\item[beta] the scalar $\beta$.\\
Scope: {\bf global} \\
Type: {\bf required} \\
Intent: {\bf in}.\\
Specified as: a number of the data type indicated in Table~\ref{tab:f90spsm}.
\item[y] the local portion of global dense matrix
$y$. %% This subroutine computes the location of the first element of
@ -881,12 +935,14 @@ $y$. %% This subroutine computes the location of the first element of
\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf inout}.\\
Specified as: a rank one or two array
containing numbers of type specified in
Table~\ref{tab:f90spsm}. The rank of $y$ must be the same of $x$.
\item[desc\_a] contains data structures for communications.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[trans] specify with {\em unitd} the operation to perform.
\begin{description}
@ -896,6 +952,7 @@ Specified as: a structured data of type \descdata.
\end{description}
Scope: {\bf global} \\
Type: {\bf optional}\\
Intent: {\bf in}.\\
Default: $trans = N$\\
Specified as: a character variable.
\item[unitd] specify with {\em trans} the operation to perform.
@ -906,6 +963,7 @@ Specified as: a character variable.
\end{description}
Scope: {\bf global} \\
Type: {\bf optional}\\
Intent: {\bf in}.\\
Default: $unitd = U$\\
Specified as: a character variable.
\item[choice] specifies the update of overlap elements to be performed
@ -918,17 +976,20 @@ Specified as: a character variable.
\end{description}
Scope: {\bf global} \\
Type: {\bf optional}\\
Intent: {\bf in}.\\
Default: \verb|psb_avg_|\\
Specified as: an integer variable.
\item[diag] the diagonal scaling matrix.\\
Scope: {\bf local} \\
Type: {\bf optional}\\
Intent: {\bf in}.\\
Default: $diag(1) = 1 (no scaling)$\\
Specified as: a rank one array containing numbers of the type
indicated in Table~\ref{tab:f90spsm}.
\item[work] a work array. \\
Scope: {\bf local} \\
Type: {\bf optional}\\
Intent: {\bf inout}.\\
Specified as: a rank one array of the same type of $x$ with the
TARGET attribute.
@ -939,12 +1000,14 @@ $y$. %% This subroutine computes the location of the first element of
\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf inout}.\\
Specified as: an array of rank one or two
containing numbers of type specified in
Table~\ref{tab:f90spsm}.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}

114
docs/pdf/toolsrout.tex
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@ -22,20 +22,24 @@ the specific initialization strategy:
\item[icontxt] the communication context.\\
Scope:{\bf global}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer value.
\item[vg] Data allocation: each index $i\in \{1\dots mg\}$ is allocated
to process $vg(i)$.
Scope:{\bf global}.\\
Type:{\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer array.
\item[flag] Specifies whether entries in $vg$ are zero- or one-based.
Scope:{\bf global}.\\
Type:{\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value $0,1$, default $0$.
\item[mg] the (global) number of rows of the problem.\\
Scope:{\bf global}.\\
Type:{\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value. It is required if \verb|parts| is
specified.
\item[parts] the subroutine that defines the partitioning scheme.\\
@ -46,11 +50,13 @@ Specified as: a subroutine.
calling process.
Scope:{\bf local}.\\
Type:{\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer array.
\item[nl] Data allocation: in a generalized block-row distribution the
number of indices belonging to the current process.
Scope:{\bf local}.\\
Type:{\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value.
\end{description}
@ -59,10 +65,12 @@ Specified as: an integer value.
\item[desc\_a] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf out}.\\
Specified as: a structured data of type \descdata.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -135,14 +143,17 @@ communication descriptor.
\item[nz] the number of points being inserted.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer value.
\item[ia] the indices of the starting vertex of the edges being inserted.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer array of length $nz$.
\item[ja] the indices of the end vertex of the edges being inserted.\\
Scope: {\bf local}.\\
Type: {\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer array of length $nz$.
%% \item[is] the row offset.\\
%% Scope:{\bf local}.\\
@ -159,10 +170,12 @@ Specified as: an integer array of length $nz$.
\item[desc\_a] the updated communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf inout}.\\
Specified as: a structured data of type \descdata.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
\section*{Notes}
@ -188,14 +201,21 @@ nor the end vertex belong to the current process.
\item[desc\_a] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf inout}.\\
Specified as: a structured data of type \descdata.
\end{description}
\begin{description}
\item[\bf On Return]
\item[desc\_a] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf inout}.\\
Specified as: a structured data of type \descdata.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
%\item[arg]
\end{description}
@ -212,13 +232,14 @@ An integer value; 0 means no error has been detected.
%
\subroutine{psb\_cdcpy}{Copies a communication descriptor}
\syntax{call psb\_cdcpy}{desc\_out, desc\_a, info}
\syntax{call psb\_cdcpy}{desc\_in, desc\_out, info}
\begin{description}
\item[\bf On Entry]
\item[desc\_a] the communication descriptor.\\
\item[desc\_in] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\end{description}
@ -228,10 +249,12 @@ Specified as: a structured data of type \descdata.
\item[desc\_out] the communication descriptor copy.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf out}.\\
Specified as: a structured data of type \descdata.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -248,6 +271,7 @@ An integer value; 0 means no error has been detected.
\item[desc\_a] the communication descriptor to be freed.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf inout}.\\
Specified as: a structured data of type \descdata.
\end{description}
@ -256,6 +280,7 @@ Specified as: a structured data of type \descdata.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -276,18 +301,22 @@ through the input sparse matrix \verb|a|.
\item[a] A sparse matrix
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data type.
\item[desc\_a] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \spdata.
\item[nl] the number of additional layers desired.\\
Scope:{\bf global}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer value $nl\ge 0$.
\item[extype] the kind of estension required.\\
Scope:{\bf global}.\\
Type:{\bf optional }.\\
Intent: {\bf in}.\\
Specified as: an integer value
\verb|psb_ovt_xhal_|, \verb|psb_ovt_asov_|, default: \verb|psb_ovt_xhal_|
@ -298,10 +327,12 @@ Specified as: an integer value
\item[desc\_out] the extended communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf inout}.\\
Specified as: a structured data of type \descdata.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -394,11 +425,13 @@ An integer value; 0 means no error has been detected.
\item[desc\_a] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[nnz] An estimate of the number of nonzeroes in the local
part of the assembled matrix.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an integer value.
\end{description}
@ -407,10 +440,12 @@ Specified as: an integer value.
\item[a] the matrix to be allocated.\\
Scope:{\bf local}\\
Type:{\bf required}\\
Intent: {\bf out}.\\
Specified as: a structured data of type \spdata.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
\section*{Notes}
@ -438,22 +473,27 @@ An integer value; 0 means no error has been detected.
\item[nz] the number of elements to be inserted.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer scalar.
\item[ia] the row indices of the elements to be inserted.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
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}.\\
Intent: {\bf in}.\\
Specified as: an integer array of size $nz$.
\item[val] the elements to be inserted.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: an array of size $nz$.
\item[desc\_a] The communication descriptor.\\
Scope: {\bf local}. \\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: a variable of type \descdata.\\
%% \item[is] the starting row on matrix $a$.\\
%% Scope:{\bf local}.\\
@ -470,14 +510,17 @@ Specified as: a variable of type \descdata.\\
\item[a] the matrix into which elements will be inserted.\\
Scope:{\bf local}\\
Type:{\bf required}\\
Intent: {\bf inout}.\\
Specified as: a structured data of type \spdata.
\item[desc\_a] The communication descriptor.\\
Scope: {\bf local}. \\
Type: {\bf required}.\\
Intent: {\bf inout}.\\
Specified as: a variable of type \descdata.\\
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -512,18 +555,22 @@ An integer value; 0 means no error has been detected.
\item[desc\_a] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[afmt] the storage format for the sparse matrix.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: an array of characters. Defalt: 'CSR'.
\item[upd] Provide for updates to the matrix coefficients.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: integer, possible values: \verb|psb_upd_srch_|, \verb|psb_upd_perm_|
\item[dupl] How to handle duplicate coefficients.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: integer, possible values: \verb|psb_dupl_ovwrt_|,
\verb|psb_dupl_add_|, \verb|psb_dupl_err_|.
\end{description}
@ -533,10 +580,12 @@ Specified as: integer, possible values: \verb|psb_dupl_ovwrt_|,
\item[a] the matrix to be assembled.\\
Scope:{\bf local}\\
Type:{\bf required}\\
Intent: {\bf inout}.\\
Specified as: a structured data of type \spdata.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -603,10 +652,12 @@ An integer value; 0 means no error has been detected.
\item[a] the matrix to be freed.\\
Scope:{\bf local}\\
Type:{\bf required}\\
Intent: {\bf inout}.\\
Specified as: a structured data of type \spdata.
\item[desc\_a] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\end{description}
@ -615,6 +666,7 @@ Specified as: a structured data of type \descdata.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -633,14 +685,17 @@ An integer value; 0 means no error has been detected.
\item[a] the matrix to be reinitialized.\\
Scope:{\bf local}\\
Type:{\bf required}\\
Intent: {\bf inout}.\\
Specified as: a structured data of type \spdata.
\item[desc\_a] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[clear] Choose whether to zero out matrix coefficients\\
Scope:{\bf local}.\\
Type:{\bf optional}.\\
Intent: {\bf in}.\\
Default: true.
\end{description}
@ -649,6 +704,7 @@ Default: true.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
\section*{Notes}
@ -718,10 +774,12 @@ An integer value; 0 means no error has been detected.
\item[desc\_a] The communication descriptor.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a variable of type \descdata.\\
\item[n] The number of columns of the dense matrix to be allocated.\\
Scope: {\bf local} \\
Type: {\bf optional}\\
Intent: {\bf in}.\\
Specified as: Integer scalar, default $1$. It is ignored if $x$ is a
rank-1 array.
\end{description}
@ -731,11 +789,13 @@ rank-1 array.
\item[x] The dense matrix to be allocated.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf out}.\\
Specified as: a rank one or two array with the ALLOCATABLE
attribute, of type real, complex or integer.\\
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -752,25 +812,30 @@ An integer value; 0 means no error has been detected.
\item[m] Number of rows in $val$ to be inserted.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer value.
\item[irw] Indices of the rows to be inserted. Specifically, row $i$
of $val$ will be inserted into the local row corresponding to the
global row index $irw(i)$.
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: an integer array.
\item[val] the dense submatrix to be inserted.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: a rank 1 or 2 array.
Specified as: an integer value.
\item[desc\_a] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[dupl] How to handle duplicate coefficients.\\
Scope: {\bf global}.\\
Type: {\bf optional}.\\
Intent: {\bf in}.\\
Specified as: integer, possible values: \verb|psb_dupl_ovwrt_|,
\verb|psb_dupl_add_|.
\end{description}
@ -780,11 +845,13 @@ Specified as: integer, possible values: \verb|psb_dupl_ovwrt_|,
\item[x] the output dense matrix.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: a rank one or two array with the ALLOCATABLE
attribute, of type real, complex or integer.\\
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -808,6 +875,7 @@ An integer value; 0 means no error has been detected.
\item[desc\_a] The communication descriptor.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a variable of type \descdata.\\
\end{description}
@ -816,11 +884,13 @@ Specified as: a variable of type \descdata.\\
\item[x] The dense matrix to be assembled.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: a rank one or two array with the ALLOCATABLE
attribute, of type real, complex or integer.\\
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
%
@ -836,12 +906,14 @@ An integer value; 0 means no error has been detected.
be freed.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: a rank one or two array with the ALLOCATABLE
attribute, of type real, complex or integer.\\
\item[desc\_a] The communication descriptor.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a variable of type \descdata.\\
\end{description}
@ -850,6 +922,7 @@ Specified as: a variable of type \descdata.\\
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -866,18 +939,22 @@ An integer value; 0 means no error has been detected.
\item[trans] A character that specifies whether to permute $A$ or $A^T$.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
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}\\
Intent: {\bf in}.\\
Specified as: an integer one-dimensional array.\\
\item[x] The dense matrix to be permuted.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: a one or two dimensional array.\\
\item[desc\_a] The communication descriptor.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a variable of type \descdata.\\
\end{description}
@ -886,6 +963,7 @@ Specified as: a variable of type \descdata.\\
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -903,19 +981,23 @@ An integer value; 0 means no error has been detected.
\item[x] An integer vector of indices to be converted.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in, inout}.\\
Specified as: a rank one integer array.\\
\item[desc\_a] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
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}\\
Intent: {\bf in}.\\
Specified as: a character variable \verb|I|gnore, \verb|W|arning or
\verb|A|bort, default \verb|I|gnore.
\item[owned] Specfies valid range of input
Scope: {\bf global} \\
Type: {\bf optional}\\
Intent: {\bf in}.\\
If true, then only indices strictly owned by the current process are
considered valid, if false then halo indices are also
accepted. Default: false.
@ -927,16 +1009,19 @@ accepted. Default: false.
then $x$ is overwritten with the translated integer indices.
Scope: {\bf global} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
Specified as: a rank one integer array.
\item[y] If $y$ is present,
then $y$ is overwritten with the translated integer indices, and $x$
is left unchanged.
Scope: {\bf global} \\
Type: {\bf optional}\\
Intent: {\bf out}.\\
Specified as: a rank one integer array.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -962,14 +1047,17 @@ An integer value; 0 means no error has been detected.
\item[x] An integer vector of indices to be converted.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in, inout}.\\
Specified as: a rank one integer array.\\
\item[desc\_a] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
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}\\
Intent: {\bf in}.\\
Specified as: a character variable \verb|I|gnore, \verb|W|arning or
\verb|A|bort, default \verb|I|gnore.
\end{description}
@ -980,16 +1068,19 @@ Specified as: a character variable \verb|I|gnore, \verb|W|arning or
then $x$ is overwritten with the translated integer indices.
Scope: {\bf global} \\
Type: {\bf required}\\
Intent: {\bf inout}.\\
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}\\
Intent: {\bf out}.\\
Specified as: a rank one integer array.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -1008,6 +1099,7 @@ An integer value; 0 means no error has been detected.
\item[desc] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\end{description}
@ -1017,11 +1109,13 @@ Specified as: a structured data of type \descdata.
local numbering.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf out}.\\
Specified as: a rank one array with the ALLOCATABLE
attribute, of type integer.\\
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -1043,6 +1137,7 @@ An integer value; 0 means no error has been detected.
\item[desc] the communication descriptor.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\end{description}
@ -1052,11 +1147,13 @@ Specified as: a structured data of type \descdata.
local numbering.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf out}.\\
Specified as: a rank one array with the ALLOCATABLE
attribute, of type integer.\\
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -1080,23 +1177,28 @@ An integer value; 0 means no error has been detected.
\item[row] The (first) row to be extracted.\\
Scope:{\bf local}\\
Type:{\bf required}\\
Intent: {\bf in}.\\
Specified as: an integer $>0$.
\item[a] the matrix from which to get rows.\\
Scope:{\bf local}\\
Type:{\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \spdata.
\item[append] Whether to append or overwrite existing output.\\
Scope:{\bf local}\\
Type:{\bf optional}\\
Intent: {\bf in}.\\
Specified as: a logical value default: false (overwrite).
\item[nzin] Input size to be appended to.\\
Scope:{\bf local}\\
Type:{\bf optional}\\
Intent: {\bf in}.\\
Specified as: an integer $>0$. When append is true, specifies how many
entries in the output vectors are already filled.
\item[lrw] The last row to be extracted.\\
Scope:{\bf local}\\
Type:{\bf optional}\\
Intent: {\bf in}.\\
Specified as: an integer $>0$, default: $row$.
%% \item[is] the starting row on matrix $a$.\\
@ -1114,22 +1216,27 @@ Specified as: an integer $>0$, default: $row$.
\item[nz] the number of elements returned by this call.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf out}.\\
Returned as: an integer scalar.
\item[ia] the row indices.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer array with the \verb|ALLOCATABLE| attribute.
\item[ja] the column indices of the elements to be inserted.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf inout}.\\
Specified as: an integer array with the \verb|ALLOCATABLE| attribute.
\item[val] the elements to be inserted.\\
Scope:{\bf local}.\\
Type:{\bf required}.\\
Intent: {\bf inout}.\\
Specified as: a real array with the \verb|ALLOCATABLE| attribute.
\item[info] Error code.\\
Scope: {\bf local} \\
Type: {\bf required} \\
Intent: {\bf out}.\\
An integer value; 0 means no error has been detected.
\end{description}
@ -1165,14 +1272,17 @@ This function computes the memory occupation of a PSBLAS object.
$A$. \\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \spdata.
\item[desc\_a] Communication descriptor.\\
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a structured data of type \descdata.
\item[prec]
Scope: {\bf local} \\
Type: {\bf required}\\
Intent: {\bf in}.\\
Specified as: a preconditioner data structure \precdata.
\item[\bf On Return]
\item[Function value] The memory occupation of the object specified in

18050
docs/userguide.pdf
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49
util/psb_hbio_mod.f90
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@ -47,7 +47,7 @@ contains
integer, intent(out) :: iret
integer, optional, intent(in) :: iunit
character(len=*), optional, intent(in) :: filename
real(kind(1.d0)), optional, pointer :: b(:)
real(kind(1.d0)), optional, allocatable :: b(:)
character(len=72), optional, intent(out) :: mtitle
character :: rhstype,type*3,key*8
@ -106,13 +106,8 @@ contains
if (valcrd.gt.0) read (infile,fmt=valfmt) (a%aspk(i),i=1,nnzero)
if (present(b) .and. (rhscrd.gt.0)) then
if (associated(b)) then
if (size(b) < nrow) deallocate(b)
endif
if (.not.associated(b)) then
allocate(b(nrow),stat=info)
endif
read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
call psb_ensure_size(nrow,b,info)
if (info == 0) read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
endif
else if (tolower(type(2:2)) == 's') then
@ -125,13 +120,8 @@ contains
if (valcrd.gt.0) read (infile,fmt=valfmt) (a%aspk(i),i=1,nnzero)
if (present(b) .and. (rhscrd.gt.0)) then
if (associated(b)) then
if (size(b) < nrow) deallocate(b)
endif
if (.not.associated(b)) then
allocate(b(nrow),stat=info)
endif
read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
call psb_ensure_size(nrow,b,info)
if (info == 0) read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
endif
call psb_ipcsr2coo(a,ircode)
@ -306,7 +296,7 @@ contains
integer, intent(out) :: iret
integer, optional, intent(in) :: iunit
character(len=*), optional, intent(in) :: filename
real(kind(1.d0)), optional, pointer :: b(:)
real(kind(1.d0)), optional, allocatable :: b(:)
character(len=72), optional, intent(out) :: mtitle
character :: rhstype,type*3,key*8
@ -365,13 +355,8 @@ contains
if (valcrd.gt.0) read (infile,fmt=valfmt) (a%aspk(i),i=1,nnzero)
if (present(b) .and. (rhscrd.gt.0)) then
if (associated(b)) then
if (size(b) < nrow) deallocate(b)
endif
if (.not.associated(b)) then
allocate(b(nrow),stat=info)
endif
read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
call psb_ensure_size(nrow,b,info)
if (info == 0) read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
endif
else if (tolower(type(2:2)) == 's') then
@ -394,13 +379,8 @@ contains
if (valcrd.gt.0) read (infile,fmt=valfmt) (a%aspk(i),i=1,nnzero)
if (present(b) .and. (rhscrd.gt.0)) then
if (associated(b)) then
if (size(b) < nrow) deallocate(b)
endif
if (.not.associated(b)) then
allocate(b(nrow),stat=info)
endif
read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
call psb_ensure_size(nrow,b,info)
if (info == 0) read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
endif
@ -455,13 +435,8 @@ contains
if (valcrd.gt.0) read (infile,fmt=valfmt) (a%aspk(i),i=1,nnzero)
if (present(b) .and. (rhscrd.gt.0)) then
if (associated(b)) then
if (size(b) < nrow) deallocate(b)
endif
if (.not.associated(b)) then
allocate(b(nrow),stat=info)
endif
read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
call psb_ensure_size(nrow,b,info)
if (info == 0) read (infile,fmt=rhsfmt) (b(i),i=1,nrow)
endif
call psb_ipcsr2coo(a,ircode)

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