1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Tests various routines in MatMPIBAIJ format.\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscmat.h> 5c4762a1bSJed Brown 6c4762a1bSJed Brown int main(int argc,char **args) 7c4762a1bSJed Brown { 8c4762a1bSJed Brown Mat A; 9c4762a1bSJed Brown PetscInt m=2,bs=1,M,row,col,start,end,i,j,k; 10c4762a1bSJed Brown PetscMPIInt rank,size; 11c4762a1bSJed Brown PetscScalar data=100; 12c4762a1bSJed Brown PetscBool flg; 13c4762a1bSJed Brown 14*9566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&args,(char*)0,help)); 15*9566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank)); 16*9566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD,&size)); 17c4762a1bSJed Brown 18c4762a1bSJed Brown /* Test MatSetValues() and MatGetValues() */ 19*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-mat_block_size",&bs,NULL)); 20*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-mat_size",&m,NULL)); 21c4762a1bSJed Brown 22c4762a1bSJed Brown M = m*bs*size; 23*9566063dSJacob Faibussowitsch PetscCall(MatCreateBAIJ(PETSC_COMM_WORLD,bs,PETSC_DECIDE,PETSC_DECIDE,M,M,PETSC_DECIDE,NULL,PETSC_DECIDE,NULL,&A)); 24c4762a1bSJed Brown 25*9566063dSJacob Faibussowitsch PetscCall(MatGetOwnershipRange(A,&start,&end)); 26*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL,NULL,"-column_oriented",&flg)); 27c4762a1bSJed Brown if (flg) { 28*9566063dSJacob Faibussowitsch PetscCall(MatSetOption(A,MAT_ROW_ORIENTED,PETSC_FALSE)); 29c4762a1bSJed Brown } 30c4762a1bSJed Brown 31c4762a1bSJed Brown /* inproc assembly */ 32c4762a1bSJed Brown for (row=start; row<end; row++) { 33c4762a1bSJed Brown for (col=start; col<end; col++,data+=1) { 34*9566063dSJacob Faibussowitsch PetscCall(MatSetValues(A,1,&row,1,&col,&data,INSERT_VALUES)); 35c4762a1bSJed Brown } 36c4762a1bSJed Brown } 37*9566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY)); 38*9566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY)); 39c4762a1bSJed Brown 40c4762a1bSJed Brown /* offproc assembly */ 41c4762a1bSJed Brown data = 5.0; 42c4762a1bSJed Brown row = (M+start-1)%M; 43c4762a1bSJed Brown for (col=0; col<M; col++) { 44*9566063dSJacob Faibussowitsch PetscCall(MatSetValues(A,1,&row,1,&col,&data,ADD_VALUES)); 45c4762a1bSJed Brown } 46*9566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY)); 47*9566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY)); 48c4762a1bSJed Brown 49c4762a1bSJed Brown /* Test MatSetValuesBlocked() */ 50*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL,NULL,"-test_setvaluesblocked",&flg)); 51c4762a1bSJed Brown if (flg) { 52c4762a1bSJed Brown PetscScalar *bval; 53c4762a1bSJed Brown row /= bs; 54c4762a1bSJed Brown col = start/bs; 55*9566063dSJacob Faibussowitsch PetscCall(PetscMalloc1(bs*bs,&bval)); 56c4762a1bSJed Brown k = 1; 57a5b23f4aSJose E. Roman /* row oriented - default */ 58c4762a1bSJed Brown for (i=0; i<bs; i++) { 59c4762a1bSJed Brown for (j=0; j<bs; j++) { 60c4762a1bSJed Brown bval[i*bs+j] = (PetscScalar)k; k++; 61c4762a1bSJed Brown } 62c4762a1bSJed Brown } 63*9566063dSJacob Faibussowitsch PetscCall(MatSetValuesBlocked(A,1,&row,1,&col,bval,INSERT_VALUES)); 64*9566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY)); 65*9566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY)); 66*9566063dSJacob Faibussowitsch PetscCall(PetscFree(bval)); 67c4762a1bSJed Brown } 68c4762a1bSJed Brown 69*9566063dSJacob Faibussowitsch PetscCall(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 70*9566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 71*9566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 72b122ec5aSJacob Faibussowitsch return 0; 73c4762a1bSJed Brown } 74c4762a1bSJed Brown 75c4762a1bSJed Brown /*TEST 76c4762a1bSJed Brown 77c4762a1bSJed Brown test: 78c4762a1bSJed Brown suffix: 1 79c4762a1bSJed Brown nsize: 3 80c4762a1bSJed Brown args: -mat_block_size 2 -test_setvaluesblocked 81c4762a1bSJed Brown 82c4762a1bSJed Brown test: 83c4762a1bSJed Brown suffix: 2 84c4762a1bSJed Brown nsize: 3 85c4762a1bSJed Brown args: -mat_block_size 2 -test_setvaluesblocked -column_oriented 86c4762a1bSJed Brown 87c4762a1bSJed Brown test: 88c4762a1bSJed Brown suffix: 3 89c4762a1bSJed Brown nsize: 3 90c4762a1bSJed Brown args: -mat_block_size 1 -test_setvaluesblocked 91c4762a1bSJed Brown 92c4762a1bSJed Brown test: 93c4762a1bSJed Brown suffix: 4 94c4762a1bSJed Brown nsize: 3 95c4762a1bSJed Brown args: -mat_block_size 1 -test_setvaluesblocked -column_oriented 96c4762a1bSJed Brown 97c4762a1bSJed Brown TEST*/ 98