xref: /petsc/src/mat/tests/ex254.c (revision ebead697dbf761eb322f829370bbe90b3bd93fa3)
1 static char help[] = "Test MatSetValuesCOO for MPIAIJ and its subclasses \n\n";
2 
3 #include <petscmat.h>
4 int main(int argc,char **args)
5 {
6   Mat             A,B;
7   PetscInt        k;
8   const PetscInt  M   = 18,N = 18;
9   PetscMPIInt     rank,size;
10   PetscBool       equal;
11   PetscScalar    *vals;
12   PetscBool       flg = PETSC_FALSE;
13 
14   /* Construct 18 x 18 matrices, which are big enough to have complex communication patterns but still small enough for debugging */
15   PetscInt i0[] = {7, 7, 8, 8,  9, 16, 17,  9, 10, 1, 1, -2, 2, 3, 3, 14, 4, 5, 10, 13,  9,  9, 10, 1, 0, 0, 5,   5, 6, 6, 13, 13, 14, -14, 4, 4, 5, 11, 11, 12, 15, 15, 16};
16   PetscInt j0[] = {1, 6, 2, 4, 10, 15, 13, 16, 11, 2, 7,  3, 8, 4, 9, 13, 5, 2, 15, 14, 10, 16, 11, 2, 0, 1, 5, -11, 0, 7, 15, 17, 11,  13, 4, 8, 2, 12, 17, 13,  3, 16,  9};
17 
18   PetscInt i1[] = {8, 5, 15, 16, 6, 13, 4, 17, 8,  9,  9, 10, -6, 12, 7, 3, -4, 1, 1, 2, 5, 5,  6, 14, 17, 8,  9,  9, 10, 4,  5, 10, 11, 1, 2};
19   PetscInt j1[] = {2, 3, 16,  9, 5, 17, 1, 13, 4, 10, 16, 11, -5, 12, 1, 7, -1, 2, 7, 3, 6, 11, 0, 11, 13, 4, 10, 16, 11, 8, -2, 15, 12, 7, 3};
20 
21   PetscInt i2[] = {3, 4, 1, 10, 0, 1, 1, 2, 1, 1, 2, 2, 3, 3, 4, 4, 1, 2, 5, 5,  6, 4, 17, 0, 1, 1, 8, 5, 5,  6, 4, 7, 8, 5};
22   PetscInt j2[] = {7, 1, 2, 11, 5, 2, 7, 3, 2, 7, 3, 8, 4, 9, 3, 5, 7, 3, 6, 11, 0, 1, 13, 5, 2, 7, 4, 6, 11, 0, 1, 3, 4, 2};
23 
24   struct {
25     PetscInt *i,*j,n;
26   } coo[3] = {{i0,j0,sizeof(i0)/sizeof(PetscInt)}, {i1,j1,sizeof(i1)/sizeof(PetscInt)}, {i2,j2,sizeof(i2)/sizeof(PetscInt)}};
27 
28   PetscFunctionBeginUser;
29   PetscCall(PetscInitialize(&argc,&args,(char*)0,help));
30   PetscCall(PetscOptionsGetBool(NULL,NULL,"-ignore_remote",&flg,NULL));
31   PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank));
32   PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD,&size));
33 
34   PetscCheck(size <= 3,PETSC_COMM_WORLD,PETSC_ERR_WRONG_MPI_SIZE,"This test requires at most 3 processes");
35 
36   PetscCall(MatCreate(PETSC_COMM_WORLD,&A));
37   PetscCall(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,M,N));
38   PetscCall(MatSetType(A,MATAIJ));
39   PetscCall(MatSeqAIJSetPreallocation(A,2,NULL));
40   PetscCall(MatMPIAIJSetPreallocation(A,2,NULL,2,NULL));
41   PetscCall(MatSetOption(A,MAT_NEW_NONZERO_ALLOCATION_ERR,PETSC_FALSE));
42   PetscCall(MatSetOption(A,MAT_IGNORE_OFF_PROC_ENTRIES,flg));
43 
44   PetscCall(PetscMalloc1(coo[rank].n,&vals));
45   for (k=0; k<coo[rank].n; k++) {
46     vals[k] = coo[rank].j[k];
47     PetscCall(MatSetValue(A,coo[rank].i[k],coo[rank].j[k],vals[k],ADD_VALUES));
48   }
49   PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY));
50   PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY));
51 
52   PetscCall(MatCreate(PETSC_COMM_WORLD,&B));
53   PetscCall(MatSetSizes(B,PETSC_DECIDE,PETSC_DECIDE,M,N));
54   PetscCall(MatSetFromOptions(B));
55   PetscCall(MatSetOption(B,MAT_IGNORE_OFF_PROC_ENTRIES,flg));
56   PetscCall(MatSetPreallocationCOO(B,coo[rank].n,coo[rank].i,coo[rank].j));
57 
58   PetscCall(MatSetValuesCOO(B,vals,ADD_VALUES));
59   PetscCall(MatEqual(A,B,&equal));
60 
61   if (!equal) {
62     PetscCall(MatView(A,PETSC_VIEWER_STDOUT_WORLD));
63     PetscCall(MatView(B,PETSC_VIEWER_STDOUT_WORLD));
64     SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_PLIB,"MatSetValuesCOO() failed");
65   }
66 
67   PetscCall(PetscFree(vals));
68   PetscCall(MatDestroy(&A));
69   PetscCall(MatDestroy(&B));
70 
71   PetscCall(PetscFinalize());
72   return 0;
73 }
74 
75 /*TEST
76 
77   testset:
78     output_file: output/ex254_1.out
79     nsize: {{1 2 3}}
80     args: -ignore_remote {{0 1}}
81 
82     test:
83       suffix: kokkos
84       requires: kokkos_kernels
85       args: -mat_type aijkokkos
86 
87     test:
88       suffix: cuda
89       requires: cuda
90       args: -mat_type aijcusparse
91 
92     test:
93       suffix: aij
94       args: -mat_type aij
95 
96   testset:
97     # MATHYPRE does not support MAT_IGNORE_OFF_PROC_ENTRIES yet
98     output_file: output/ex254_1.out
99     nsize: {{1 2 3}}
100     suffix: hypre
101     requires: hypre kokkos_kernels
102     args: -ignore_remote 0 -mat_type hypre
103 
104 TEST*/
105