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rLIBMULTISCALE LibMultiScale
compute_time_average.cc
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/**
* @file compute_time_average.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date Wed Jul 09 21:59:47 2014
*
* @brief This allows to compute time averages of other computes
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* LibMultiScale is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* LibMultiScale is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with LibMultiScale. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "lm_common.hh"
#include "compute_time_average.hh"
#include "math_tools.hh"
#include "action_manager.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
/* -------------------------------------------------------------------------- */
template
<
typename
Cont
>
ComputeTimeAverage
<
Cont
>::
ComputeTimeAverage
(
const
std
::
string
&
name
,
UInt
dim
)
:
Compute
<
Cont
>
(
name
,
1
){
window_size
=
0
;
ActionManager
::
getManager
().
addObject
(
this
);
}
/* -------------------------------------------------------------------------- */
template
<
typename
Cont
>
ComputeTimeAverage
<
Cont
>::
ComputeTimeAverage
(
const
std
::
string
&
name
,
ComponentLMInterface
&
d
)
:
Compute
<
Cont
>
(
name
,
d
,
1
){
window_size
=
0
;
ActionManager
::
getManager
().
addObject
(
this
,
false
);
}
/* -------------------------------------------------------------------------- */
template
<
typename
Cont
>
ComputeTimeAverage
<
Cont
>::~
ComputeTimeAverage
(){
}
/* -------------------------------------------------------------------------- */
template
<
typename
Cont
>
void
ComputeTimeAverage
<
Cont
>::
account
(
Cont
&
cont
){
int
k
=
(
current_step
+
window_size
-
1
)
%
this
->
frequency
;
LM_ASSERT
(
k
>=
0
&&
k
<
(
int
)
window_size
,
"this should not happen"
);
const
UInt
Dim
=
cont
.
getDim
();
if
(
k
==
0
)
{
this
->
setDim
(
Dim
);
average_data
.
resize
(
cont
.
size
());
for
(
UInt
i
=
0
;
i
<
cont
.
size
();
++
i
)
average_data
[
i
].
init
();
}
else
{
if
((
this
->
getDim
()
!=
cont
.
getDim
())
||
(
average_data
.
size
()
!=
cont
.
size
())
){
DUMP
(
"inconsistency in produced data size"
,
DBG_WARNING
);
return
;
}
}
for
(
UInt
i
=
0
;
i
<
cont
.
size
();
++
i
)
average_data
[
i
].
account
(
cont
.
get
(
i
));
this
->
last_accounted_step
=
current_step
;
this
->
last_accounted_k
=
k
;
}
/* -------------------------------------------------------------------------- */
template
<
typename
Cont
>
void
ComputeTimeAverage
<
Cont
>::
build
(
Cont
&
cont
){
#ifndef LM_OPTIMIZED
int
k
=
(
current_step
+
window_size
-
1
)
%
this
->
frequency
;
#endif
//LM_OPTIMIZED
LM_ASSERT
(
k
==
(
int
)
window_size
-
1
,
"time average is not tallied to correct timesteps"
);
LM_ASSERT
(
last_accounted_k
==
window_size
-
1
,
"time average is not tallied to correct timesteps"
);
LM_ASSERT
(
last_accounted_step
==
current_step
,
"time average is not tallied to correct timesteps"
);
const
UInt
Dim
=
cont
.
getDim
();
this
->
clear
();
for
(
UInt
i
=
0
;
i
<
cont
.
size
();
++
i
)
this
->
add
(
average_data
[
i
].
result
(
cont
.
getCommGroup
()));
this
->
name_computed
.
clear
();
for
(
UInt
i
=
0
;
i
<
Dim
;
++
i
)
{
std
::
stringstream
str
;
if
(
cont
.
name_computed
.
size
()
>
i
)
str
<<
cont
.
name_computed
[
i
]
<<
"-time-avg-"
<<
i
;
else
str
<<
"field"
<<
i
<<
"-time-avg-"
<<
i
;
this
->
name_computed
.
push_back
(
str
.
str
());
}
}
/* -------------------------------------------------------------------------- */
template
<
typename
_Input
>
bool
ComputeTimeAverage
<
_Input
>::
shouldMakeAction
(){
bool
sM
=
this
->
doesStageMaskMatch
();
if
(
!
sM
)
return
false
;
this
->
setOneStep
();
if
(
this
->
end_step
>=
current_step
&&
this
->
start_step
<=
current_step
)
if
(
this
->
frequency
!=
UINT_MAX
){
int
k
=
(
current_step
+
window_size
-
1
)
%
this
->
frequency
;
if
(
k
>=
0
&&
k
<
(
int
)
window_size
){
DUMP
(
"should proceed action "
<<
this
->
getID
()
<<
" current_step = "
<<
current_step
<<
" start "
<<
this
->
start_step
<<
" end "
<<
this
->
end_step
,
DBG_INFO
);
return
true
;
}
}
return
false
;
}
/* -------------------------------------------------------------------------- */
template
<
typename
_Input
>
void
ComputeTimeAverage
<
_Input
>::
build
(){
build_phase
=
true
;
if
(
!
this
->
input
)
{
DUMP
(
"this filter has no input"
,
DBG_WARNING
);
}
else
this
->
input
->
accept
(
*
this
);
}
/* -------------------------------------------------------------------------- */
template
<
typename
_Input
>
void
ComputeTimeAverage
<
_Input
>::
accept
(
ComponentLMInterface
&
visitor
){
//test the input of the visitor
if
(
ComponentLMIn
<
Output
>
*
ptr
=
dynamic_cast
<
ComponentLMIn
<
Output
>
*>
(
&
visitor
)){
//if good, first build myself
this
->
build
();
//then allow the visitor to visit me
ptr
->
visit
(
*
this
);
}
}
/* -------------------------------------------------------------------------- */
template
<
typename
_Input
>
void
ComputeTimeAverage
<
_Input
>::
action
(){
build_phase
=
false
;
if
(
!
this
->
input
)
{
DUMP
(
"this filter has no input"
,
DBG_WARNING
);
}
else
this
->
input
->
accept
(
*
this
);
}
/* -------------------------------------------------------------------------- */
template
<
typename
_Input
>
void
ComputeTimeAverage
<
_Input
>::
visit
(
ComponentLMOut
<
_Input
>
&
obj
){
this
->
copyContainerInfo
(
obj
.
getOutput
());
if
(
obj
.
getOutput
().
getRelease
()
<=
this
->
getRelease
())
return
;
Communicator
&
comm
=
Communicator
::
getCommunicator
();
CommGroup
group
=
obj
.
getOutput
().
getCommGroup
();
if
(
comm
.
amIinGroup
(
group
)){
if
(
build_phase
)
{
this
->
copyReleaseInfo
(
obj
);
this
->
build
(
obj
);
}
else
this
->
account
(
obj
);
}
}
/* -------------------------------------------------------------------------- */
/* LMDESC TIMEAVG
This computes a time averaged version of a set of reals
*/
/* LMEXAMPLE
COMPUTE disp EXTRACT INPUT md FIELD displacement\\
COMPUTE time_average TIMEAVG INPUT disp\\
*/
/* LMHERITANCE action_interface*/
template
<
typename
_Input
>
void
ComputeTimeAverage
<
_Input
>::
declareParams
(){
ActionInterface
::
declareParams
();
/* LMKEYWORD WINDOW
Number of steps to be taken into account for average
Must be smaller than FREQ
*/
this
->
parseKeyword
(
"WINDOW"
,
window_size
);
}
/* -------------------------------------------------------------------------- */
DECLARE_COMPUTE_REAL
(
ComputeTimeAverage
);
__END_LIBMULTISCALE__
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