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solverstack
ScalFMM
Commits
3b1fe04d
Commit
3b1fe04d
authored
Sep 18, 2014
by
BRAMAS Berenger
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Add a file to debug adaptive kernel
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b8cac33d
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3b1fe04d
// ===================================================================================
// Copyright ScalFmm 2011 INRIA, Olivier Coulaud, Berenger Bramas
// olivier.coulaud@inria.fr, berenger.bramas@inria.fr
// This software is a computer program whose purpose is to compute the FMM.
//
// This software is governed by the CeCILL-C and LGPL licenses and
// abiding by the rules of distribution of free software.
//
// This program 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 General Public and CeCILL-C Licenses for more details.
// "http://www.cecill.info".
// "http://www.gnu.org/licenses".
// ===================================================================================
//
#include <iostream>
#include <cstdio>
#include "../../Src/Utils/FParameters.hpp"
#include "../../Src/Utils/FTic.hpp"
#include "../../Src/Containers/FOctree.hpp"
#include "../../Src/Containers/FVector.hpp"
#include "../../Src/Components/FSimpleIndexedLeaf.hpp"
#include "../../Src/Utils/FPoint.hpp"
#include "Kernels/Interpolation/FInterpMatrixKernel.hpp"
#include "Kernels/Interpolation/FInterpMatrixKernel.hpp"
#include "Kernels/Chebyshev/FChebCell.hpp"
#include "Adaptive/FAdaptChebSymKernel.hpp"
#include "Kernels/P2P/FP2PParticleContainerIndexed.hpp"
#include "../../Src/Core/FFmmAlgorithm.hpp"
#include "../../Src/Core/FFmmAlgorithmThread.hpp"
#include "../../Src/Core/FFmmAlgorithmTask.hpp"
#include "../../Src/Components/FBasicKernels.hpp"
#include "../../Src/Files/FRandomLoader.hpp"
#include "../../Src/Adaptive/FAdaptiveCell.hpp"
#include "../../Src/Adaptive/FAdaptiveKernelWrapper.hpp"
#include "../../Src/Adaptive/FAbstractAdaptiveKernel.hpp"
#include "../../Src/Adaptive/FAdaptiveTestKernel.hpp"
#include "../../Src/Utils/FParameterNames.hpp"
#include "../../Src/Kernels/P2P/FP2PR.hpp"
/** This program show an example of use of the fmm basic algo
* it also check that each particles is impacted each other particles
*/
// Simply create particles and try the kernels
int
main
(
int
argc
,
char
**
argv
){
const
FParameterNames
LocalOptionMinMultipoleThreshod
{
{
"-sM"
},
" s_min^M threshold for Multipole (l+1)^2 for Spherical harmonic."
};
const
FParameterNames
LocalOptionMinLocalThreshod
{
{
"-SL"
},
" s_min^L threshold for Local (l+1)^2 for Spherical harmonics."
};
FHelpDescribeAndExit
(
argc
,
argv
,
"Test the adaptive FMM."
,
FParameterDefinitions
::
NbParticles
,
FParameterDefinitions
::
OctreeHeight
,
FParameterDefinitions
::
OctreeSubHeight
,
LocalOptionMinMultipoleThreshod
,
LocalOptionMinLocalThreshod
);
const
unsigned
int
P
=
5
;
typedef
FChebCell
<
P
>
CellClass
;
typedef
FP2PParticleContainerIndexed
<>
ContainerClass
;
typedef
FSimpleIndexedLeaf
<
ContainerClass
>
LeafClass
;
typedef
FInterpMatrixKernelR
MatrixKernelClass
;
typedef
FAdaptiveChebSymKernel
<
CellClass
,
ContainerClass
,
MatrixKernelClass
,
P
>
KernelClass
;
typedef
FAdaptiveCell
<
CellClass
,
ContainerClass
>
CellWrapperClass
;
typedef
FAdaptiveKernelWrapper
<
KernelClass
,
CellClass
,
ContainerClass
>
KernelWrapperClass
;
typedef
FOctree
<
CellWrapperClass
,
ContainerClass
,
LeafClass
>
OctreeClass
;
typedef
FFmmAlgorithm
<
OctreeClass
,
CellWrapperClass
,
ContainerClass
,
KernelWrapperClass
,
LeafClass
>
FmmClass
;
///////////////////////What we do/////////////////////////////
std
::
cout
<<
">> This executable has to be used to test the FMM algorithm.
\n
"
;
//////////////////////////////////////////////////////////////
const
int
NbLevels
=
FParameters
::
getValue
(
argc
,
argv
,
FParameterDefinitions
::
OctreeHeight
.
options
,
7
);
const
int
SizeSubLevels
=
FParameters
::
getValue
(
argc
,
argv
,
FParameterDefinitions
::
OctreeSubHeight
.
options
,
3
);
const
int
sminM
=
FParameters
::
getValue
(
argc
,
argv
,
LocalOptionMinMultipoleThreshod
.
options
,
P
*
P
*
P
);
const
int
sminL
=
FParameters
::
getValue
(
argc
,
argv
,
LocalOptionMinLocalThreshod
.
options
,
P
*
P
*
P
);
FTic
counter
;
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
const
FReal
boxWidth
=
1.0
;
const
FPoint
boxCenter
(
0.0
,
0.0
,
0.0
);
OctreeClass
tree
(
NbLevels
,
SizeSubLevels
,
boxWidth
,
boxCenter
);
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
struct
Particle
{
int
idx
;
FPoint
pos
;
FReal
physicalValue
;
FReal
forces
[
3
];
FReal
pot
;
};
Particle
particles
[
3
];
memset
(
particles
,
0
,
sizeof
(
Particle
)
*
3
);
{
particles
[
0
].
idx
=
0
;
particles
[
0
].
pos
=
FPoint
(
0.1
-
0.5
,
0.1
-
0.5
,
0.1
-
0.5
);
particles
[
0
].
physicalValue
=
1.0
;
particles
[
1
].
idx
=
1
;
particles
[
1
].
pos
=
FPoint
(
0.1
-
0.5
+
0.0625
,
0.1
-
0.5
+
0.0625
,
0.1
-
0.5
+
0.0625
);
particles
[
1
].
physicalValue
=
1.0
;
particles
[
2
].
idx
=
2
;
particles
[
2
].
pos
=
FPoint
(
0.5
-
0.1
,
0.5
-
0.1
,
0.5
-
0.1
);
particles
[
2
].
physicalValue
=
1.0
;
tree
.
insert
(
particles
[
0
].
pos
,
0
,
particles
[
0
].
physicalValue
);
tree
.
insert
(
particles
[
1
].
pos
,
1
,
particles
[
1
].
physicalValue
);
tree
.
insert
(
particles
[
2
].
pos
,
2
,
particles
[
2
].
physicalValue
);
}
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
std
::
cout
<<
"Working on particles ..."
<<
std
::
endl
;
counter
.
tic
();
const
MatrixKernelClass
MatrixKernel
;
KernelWrapperClass
kernels
(
NbLevels
,
boxWidth
,
boxCenter
,
&
MatrixKernel
,
sminM
,
sminL
);
FmmClass
algo
(
&
tree
,
&
kernels
);
//FFmmAlgorithm FFmmAlgorithmThread
algo
.
execute
();
counter
.
tac
();
std
::
cout
<<
"Done "
<<
"(@Algorithm = "
<<
counter
.
elapsed
()
<<
"s)."
<<
std
::
endl
;
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
for
(
int
idxTarget
=
0
;
idxTarget
<
3
;
++
idxTarget
){
for
(
int
idxSource
=
idxTarget
+
1
;
idxSource
<
3
;
++
idxSource
){
FP2PR
::
MutualParticles
(
particles
[
idxTarget
].
pos
.
getX
(),
particles
[
idxTarget
].
pos
.
getY
(),
particles
[
idxTarget
].
pos
.
getZ
(),
particles
[
idxTarget
].
physicalValue
,
&
particles
[
idxTarget
].
forces
[
0
],
&
particles
[
idxTarget
].
forces
[
1
],
&
particles
[
idxTarget
].
forces
[
2
],
&
particles
[
idxTarget
].
pot
,
particles
[
idxSource
].
pos
.
getX
(),
particles
[
idxSource
].
pos
.
getY
(),
particles
[
idxSource
].
pos
.
getZ
(),
particles
[
idxSource
].
physicalValue
,
&
particles
[
idxSource
].
forces
[
0
],
&
particles
[
idxSource
].
forces
[
1
],
&
particles
[
idxSource
].
forces
[
2
],
&
particles
[
idxSource
].
pot
);
}
}
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
tree
.
forEachLeaf
([
&
](
LeafClass
*
leaf
){
const
int
nbParticles
=
leaf
->
getSrc
()
->
getNbParticles
();
const
FReal
*
posx
=
leaf
->
getSrc
()
->
getPositions
()[
0
];
const
FReal
*
posy
=
leaf
->
getSrc
()
->
getPositions
()[
1
];
const
FReal
*
posz
=
leaf
->
getSrc
()
->
getPositions
()[
2
];
const
FReal
*
fx
=
leaf
->
getSrc
()
->
getForcesX
();
const
FReal
*
fy
=
leaf
->
getSrc
()
->
getForcesY
();
const
FReal
*
fz
=
leaf
->
getSrc
()
->
getForcesZ
();
const
FReal
*
pot
=
leaf
->
getSrc
()
->
getPotentials
();
const
FVector
<
int
>&
indexes
=
leaf
->
getSrc
()
->
getIndexes
();
for
(
int
idxPart
=
0
;
idxPart
<
nbParticles
;
++
idxPart
){
std
::
cout
<<
"[FMM] Particle pos "
<<
posx
[
idxPart
]
<<
" "
<<
posy
[
idxPart
]
<<
" "
<<
posz
[
idxPart
]
<<
"
\n
"
;
std
::
cout
<<
"
\t
>> res pot "
<<
pot
[
idxPart
]
<<
" forces "
<<
fx
[
idxPart
]
<<
" "
<<
fy
[
idxPart
]
<<
" "
<<
fz
[
idxPart
]
<<
"
\n
"
;
std
::
cout
<<
"[Direct] Particle pos "
<<
particles
[
indexes
[
idxPart
]].
pos
.
getX
()
<<
" "
<<
particles
[
indexes
[
idxPart
]].
pos
.
getY
()
<<
" "
<<
particles
[
indexes
[
idxPart
]].
pos
.
getZ
()
<<
"
\n
"
;
std
::
cout
<<
"
\t
>> res pot "
<<
particles
[
indexes
[
idxPart
]].
pot
<<
" forces "
<<
particles
[
indexes
[
idxPart
]].
forces
[
0
]
<<
" "
<<
particles
[
indexes
[
idxPart
]].
forces
[
1
]
<<
" "
<<
particles
[
indexes
[
idxPart
]].
forces
[
2
]
<<
"
\n
"
;
std
::
cout
<<
"
\n
"
;
}
});
return
0
;
}
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