| 43 |
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* Purpose: To calculate a convex hull. |
| 44 |
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*/ |
| 45 |
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|
| 46 |
+ |
#ifdef IS_MPI |
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+ |
#include <mpi.h> |
| 48 |
+ |
#endif |
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+ |
|
| 50 |
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/* Standard includes independent of library */ |
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|
| 52 |
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#include <iostream> |
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#include "math/ConvexHull.hpp" |
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#include "utils/simError.h" |
| 59 |
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|
| 56 |
– |
#ifdef IS_MPI |
| 57 |
– |
#include <mpi.h> |
| 58 |
– |
#endif |
| 59 |
– |
|
| 60 |
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#include "math/qhull.hpp" |
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|
| 62 |
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#ifdef HAVE_QHULL |
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#ifdef IS_MPI |
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//If we are doing the mpi version, set up some vectors for data communication |
| 111 |
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|
| 112 |
< |
int nproc = MPI::COMM_WORLD.Get_size(); |
| 113 |
< |
int myrank = MPI::COMM_WORLD.Get_rank(); |
| 112 |
> |
int nproc; |
| 113 |
> |
int myrank; |
| 114 |
> |
|
| 115 |
> |
MPI_Comm_size( MPI_COMM_WORLD, &nproc); |
| 116 |
> |
MPI_Comm_rank( MPI_COMM_WORLD, &myrank); |
| 117 |
> |
|
| 118 |
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int localHullSites = 0; |
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|
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vector<int> hullSitesOnProc(nproc, 0); |
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masses.push_back(sd->getMass()); |
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} |
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|
| 151 |
< |
MPI::COMM_WORLD.Allgather(&localHullSites, 1, MPI::INT, &hullSitesOnProc[0], |
| 152 |
< |
1, MPI::INT); |
| 151 |
> |
MPI_Allgather(&localHullSites, 1, MPI_INT, &hullSitesOnProc[0], |
| 152 |
> |
1, MPI_INT, MPI_COMM_WORLD); |
| 153 |
|
|
| 154 |
|
int globalHullSites = 0; |
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for (int iproc = 0; iproc < nproc; iproc++){ |
| 171 |
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|
| 172 |
|
int count = coordsOnProc[myrank]; |
| 173 |
|
|
| 174 |
< |
MPI::COMM_WORLD.Allgatherv(&coords[0], count, MPI::DOUBLE, &globalCoords[0], |
| 175 |
< |
&coordsOnProc[0], &vectorDisplacements[0], |
| 176 |
< |
MPI::DOUBLE); |
| 177 |
< |
|
| 178 |
< |
MPI::COMM_WORLD.Allgatherv(&vels[0], count, MPI::DOUBLE, &globalVels[0], |
| 179 |
< |
&coordsOnProc[0], &vectorDisplacements[0], |
| 180 |
< |
MPI::DOUBLE); |
| 181 |
< |
|
| 182 |
< |
MPI::COMM_WORLD.Allgatherv(&masses[0], localHullSites, MPI::DOUBLE, |
| 183 |
< |
&globalMasses[0], &hullSitesOnProc[0], |
| 184 |
< |
&displacements[0], MPI::DOUBLE); |
| 185 |
< |
|
| 174 |
> |
MPI_Allgatherv(&coords[0], count, MPI_DOUBLE, &globalCoords[0], |
| 175 |
> |
&coordsOnProc[0], &vectorDisplacements[0], |
| 176 |
> |
MPI_DOUBLE, MPI_COMM_WORLD); |
| 177 |
> |
|
| 178 |
> |
MPI_Allgatherv(&vels[0], count, MPI_DOUBLE, &globalVels[0], |
| 179 |
> |
&coordsOnProc[0], &vectorDisplacements[0], |
| 180 |
> |
MPI_DOUBLE, MPI_COMM_WORLD); |
| 181 |
> |
|
| 182 |
> |
MPI_Allgatherv(&masses[0], localHullSites, MPI_DOUBLE, |
| 183 |
> |
&globalMasses[0], &hullSitesOnProc[0], |
| 184 |
> |
&displacements[0], MPI_DOUBLE, MPI_COMM_WORLD); |
| 185 |
> |
|
| 186 |
|
// Free previous hull |
| 187 |
|
qh_freeqhull(!qh_ALL); |
| 188 |
|
qh_memfreeshort(&curlong, &totlong); |
