46488e8cbc
Added an example code to test CG on a 4D HYPRE_SSTRUCT complex problem. Added regression tests for bigint, maxdim, and complex. Added a test to make sure double types are not added to the source. See [Issue995] in the tracker for more details.
348 lines
9.5 KiB
C
348 lines
9.5 KiB
C
/*BHEADER**********************************************************************
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* Copyright (c) 2008, Lawrence Livermore National Security, LLC.
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* Produced at the Lawrence Livermore National Laboratory.
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* This file is part of HYPRE. See file COPYRIGHT for details.
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*
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* HYPRE is free software; you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License (as published by the Free
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* Software Foundation) version 2.1 dated February 1999.
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*
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* $Revision$
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***********************************************************************EHEADER*/
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#include "_hypre_parcsr_ls.h"
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/*--------------------------------------------------------------------------
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* hypre_GenerateDifConv
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*--------------------------------------------------------------------------*/
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HYPRE_ParCSRMatrix
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GenerateDifConv( MPI_Comm comm,
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HYPRE_Int nx,
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HYPRE_Int ny,
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HYPRE_Int nz,
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HYPRE_Int P,
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HYPRE_Int Q,
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HYPRE_Int R,
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HYPRE_Int p,
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HYPRE_Int q,
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HYPRE_Int r,
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HYPRE_Real *value )
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{
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hypre_ParCSRMatrix *A;
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hypre_CSRMatrix *diag;
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hypre_CSRMatrix *offd;
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HYPRE_Int *diag_i;
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HYPRE_Int *diag_j;
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HYPRE_Real *diag_data;
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HYPRE_Int *offd_i;
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HYPRE_Int *offd_j;
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HYPRE_Real *offd_data;
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HYPRE_Int *global_part;
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HYPRE_Int ix, iy, iz;
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HYPRE_Int cnt, o_cnt;
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HYPRE_Int local_num_rows;
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HYPRE_Int *col_map_offd;
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HYPRE_Int row_index;
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HYPRE_Int i,j;
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HYPRE_Int nx_local, ny_local, nz_local;
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HYPRE_Int nx_size, ny_size, nz_size;
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HYPRE_Int num_cols_offd;
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HYPRE_Int grid_size;
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HYPRE_Int *nx_part;
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HYPRE_Int *ny_part;
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HYPRE_Int *nz_part;
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HYPRE_Int num_procs, my_id;
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HYPRE_Int P_busy, Q_busy, R_busy;
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hypre_MPI_Comm_size(comm,&num_procs);
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hypre_MPI_Comm_rank(comm,&my_id);
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grid_size = nx*ny*nz;
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hypre_GeneratePartitioning(nx,P,&nx_part);
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hypre_GeneratePartitioning(ny,Q,&ny_part);
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hypre_GeneratePartitioning(nz,R,&nz_part);
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global_part = hypre_CTAlloc(HYPRE_Int,P*Q*R+1);
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global_part[0] = 0;
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cnt = 1;
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for (iz = 0; iz < R; iz++)
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{
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nz_size = nz_part[iz+1]-nz_part[iz];
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for (iy = 0; iy < Q; iy++)
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{
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ny_size = ny_part[iy+1]-ny_part[iy];
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for (ix = 0; ix < P; ix++)
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{
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nx_size = nx_part[ix+1] - nx_part[ix];
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global_part[cnt] = global_part[cnt-1];
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global_part[cnt++] += nx_size*ny_size*nz_size;
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}
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}
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}
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nx_local = nx_part[p+1] - nx_part[p];
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ny_local = ny_part[q+1] - ny_part[q];
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nz_local = nz_part[r+1] - nz_part[r];
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my_id = r*(P*Q) + q*P + p;
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num_procs = P*Q*R;
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local_num_rows = nx_local*ny_local*nz_local;
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diag_i = hypre_CTAlloc(HYPRE_Int, local_num_rows+1);
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offd_i = hypre_CTAlloc(HYPRE_Int, local_num_rows+1);
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P_busy = hypre_min(nx,P);
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Q_busy = hypre_min(ny,Q);
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R_busy = hypre_min(nz,R);
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num_cols_offd = 0;
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if (p) num_cols_offd += ny_local*nz_local;
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if (p < P_busy-1) num_cols_offd += ny_local*nz_local;
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if (q) num_cols_offd += nx_local*nz_local;
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if (q < Q_busy-1) num_cols_offd += nx_local*nz_local;
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if (r) num_cols_offd += nx_local*ny_local;
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if (r < R_busy-1) num_cols_offd += nx_local*ny_local;
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if (!local_num_rows) num_cols_offd = 0;
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col_map_offd = hypre_CTAlloc(HYPRE_Int, num_cols_offd);
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cnt = 1;
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o_cnt = 1;
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diag_i[0] = 0;
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offd_i[0] = 0;
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for (iz = nz_part[r]; iz < nz_part[r+1]; iz++)
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{
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for (iy = ny_part[q]; iy < ny_part[q+1]; iy++)
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{
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for (ix = nx_part[p]; ix < nx_part[p+1]; ix++)
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{
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diag_i[cnt] = diag_i[cnt-1];
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offd_i[o_cnt] = offd_i[o_cnt-1];
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diag_i[cnt]++;
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if (iz > nz_part[r])
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diag_i[cnt]++;
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else
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{
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if (iz)
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{
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offd_i[o_cnt]++;
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}
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}
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if (iy > ny_part[q])
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diag_i[cnt]++;
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else
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{
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if (iy)
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{
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offd_i[o_cnt]++;
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}
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}
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if (ix > nx_part[p])
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diag_i[cnt]++;
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else
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{
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if (ix)
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{
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offd_i[o_cnt]++;
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}
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}
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if (ix+1 < nx_part[p+1])
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diag_i[cnt]++;
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else
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{
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if (ix+1 < nx)
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{
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offd_i[o_cnt]++;
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}
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}
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if (iy+1 < ny_part[q+1])
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diag_i[cnt]++;
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else
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{
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if (iy+1 < ny)
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{
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offd_i[o_cnt]++;
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}
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}
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if (iz+1 < nz_part[r+1])
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diag_i[cnt]++;
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else
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{
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if (iz+1 < nz)
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{
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offd_i[o_cnt]++;
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}
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}
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cnt++;
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o_cnt++;
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}
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}
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}
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diag_j = hypre_CTAlloc(HYPRE_Int, diag_i[local_num_rows]);
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diag_data = hypre_CTAlloc(HYPRE_Real, diag_i[local_num_rows]);
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if (num_procs > 1)
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{
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offd_j = hypre_CTAlloc(HYPRE_Int, offd_i[local_num_rows]);
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offd_data = hypre_CTAlloc(HYPRE_Real, offd_i[local_num_rows]);
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}
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row_index = 0;
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cnt = 0;
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o_cnt = 0;
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for (iz = nz_part[r]; iz < nz_part[r+1]; iz++)
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{
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for (iy = ny_part[q]; iy < ny_part[q+1]; iy++)
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{
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for (ix = nx_part[p]; ix < nx_part[p+1]; ix++)
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{
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diag_j[cnt] = row_index;
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diag_data[cnt++] = value[0];
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if (iz > nz_part[r])
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{
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diag_j[cnt] = row_index-nx_local*ny_local;
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diag_data[cnt++] = value[3];
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}
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else
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{
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if (iz)
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{
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offd_j[o_cnt] = hypre_map(ix,iy,iz-1,p,q,r-1,P,Q,R,
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nx_part,ny_part,nz_part,global_part);
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offd_data[o_cnt++] = value[3];
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}
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}
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if (iy > ny_part[q])
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{
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diag_j[cnt] = row_index-nx_local;
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diag_data[cnt++] = value[2];
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}
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else
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{
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if (iy)
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{
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offd_j[o_cnt] = hypre_map(ix,iy-1,iz,p,q-1,r,P,Q,R,
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nx_part,ny_part,nz_part,global_part);
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offd_data[o_cnt++] = value[2];
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}
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}
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if (ix > nx_part[p])
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{
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diag_j[cnt] = row_index-1;
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diag_data[cnt++] = value[1];
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}
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else
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{
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if (ix)
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{
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offd_j[o_cnt] = hypre_map(ix-1,iy,iz,p-1,q,r,P,Q,R,
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nx_part,ny_part,nz_part,global_part);
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offd_data[o_cnt++] = value[1];
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}
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}
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if (ix+1 < nx_part[p+1])
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{
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diag_j[cnt] = row_index+1;
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diag_data[cnt++] = value[4];
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}
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else
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{
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if (ix+1 < nx)
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{
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offd_j[o_cnt] = hypre_map(ix+1,iy,iz,p+1,q,r,P,Q,R,
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nx_part,ny_part,nz_part,global_part);
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offd_data[o_cnt++] = value[4];
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}
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}
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if (iy+1 < ny_part[q+1])
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{
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diag_j[cnt] = row_index+nx_local;
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diag_data[cnt++] = value[5];
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}
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else
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{
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if (iy+1 < ny)
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{
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offd_j[o_cnt] = hypre_map(ix,iy+1,iz,p,q+1,r,P,Q,R,
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nx_part,ny_part,nz_part,global_part);
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offd_data[o_cnt++] = value[5];
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}
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}
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if (iz+1 < nz_part[r+1])
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{
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diag_j[cnt] = row_index+nx_local*ny_local;
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diag_data[cnt++] = value[6];
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}
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else
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{
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if (iz+1 < nz)
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{
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offd_j[o_cnt] = hypre_map(ix,iy,iz+1,p,q,r+1,P,Q,R,
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nx_part,ny_part,nz_part,global_part);
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offd_data[o_cnt++] = value[6];
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}
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}
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row_index++;
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}
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}
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}
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if (num_procs > 1)
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{
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for (i=0; i < num_cols_offd; i++)
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col_map_offd[i] = offd_j[i];
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qsort0(col_map_offd, 0, num_cols_offd-1);
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for (i=0; i < num_cols_offd; i++)
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for (j=0; j < num_cols_offd; j++)
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if (offd_j[i] == col_map_offd[j])
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{
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offd_j[i] = j;
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break;
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}
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}
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A = hypre_ParCSRMatrixCreate(comm, grid_size, grid_size,
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global_part, global_part, num_cols_offd,
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diag_i[local_num_rows],
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offd_i[local_num_rows]);
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hypre_ParCSRMatrixColMapOffd(A) = col_map_offd;
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diag = hypre_ParCSRMatrixDiag(A);
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hypre_CSRMatrixI(diag) = diag_i;
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hypre_CSRMatrixJ(diag) = diag_j;
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hypre_CSRMatrixData(diag) = diag_data;
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offd = hypre_ParCSRMatrixOffd(A);
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hypre_CSRMatrixI(offd) = offd_i;
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if (num_cols_offd)
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{
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hypre_CSRMatrixJ(offd) = offd_j;
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hypre_CSRMatrixData(offd) = offd_data;
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}
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hypre_TFree(nx_part);
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hypre_TFree(ny_part);
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hypre_TFree(nz_part);
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return (HYPRE_ParCSRMatrix) A;
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}
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