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*327415f7SBarry Smith PetscFunctionBeginUser; 159566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&args,(char*)0,help)); 169566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank)); 179566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD,&size)); 18c4762a1bSJed Brown 19c4762a1bSJed Brown /* Test MatSetValues() and MatGetValues() */ 209566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-mat_block_size",&bs,NULL)); 219566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-mat_size",&m,NULL)); 22c4762a1bSJed Brown 23c4762a1bSJed Brown M = m*bs*size; 249566063dSJacob Faibussowitsch PetscCall(MatCreateBAIJ(PETSC_COMM_WORLD,bs,PETSC_DECIDE,PETSC_DECIDE,M,M,PETSC_DECIDE,NULL,PETSC_DECIDE,NULL,&A)); 25c4762a1bSJed Brown 269566063dSJacob Faibussowitsch PetscCall(MatGetOwnershipRange(A,&start,&end)); 279566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL,NULL,"-column_oriented",&flg)); 281baa6e33SBarry Smith if (flg) PetscCall(MatSetOption(A,MAT_ROW_ORIENTED,PETSC_FALSE)); 29c4762a1bSJed Brown 30c4762a1bSJed Brown /* inproc assembly */ 31c4762a1bSJed Brown for (row=start; row<end; row++) { 32c4762a1bSJed Brown for (col=start; col<end; col++,data+=1) { 339566063dSJacob Faibussowitsch PetscCall(MatSetValues(A,1,&row,1,&col,&data,INSERT_VALUES)); 34c4762a1bSJed Brown } 35c4762a1bSJed Brown } 369566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY)); 379566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY)); 38c4762a1bSJed Brown 39c4762a1bSJed Brown /* offproc assembly */ 40c4762a1bSJed Brown data = 5.0; 41c4762a1bSJed Brown row = (M+start-1)%M; 42c4762a1bSJed Brown for (col=0; col<M; col++) { 439566063dSJacob Faibussowitsch PetscCall(MatSetValues(A,1,&row,1,&col,&data,ADD_VALUES)); 44c4762a1bSJed Brown } 459566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY)); 469566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY)); 47c4762a1bSJed Brown 48c4762a1bSJed Brown /* Test MatSetValuesBlocked() */ 499566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL,NULL,"-test_setvaluesblocked",&flg)); 50c4762a1bSJed Brown if (flg) { 51c4762a1bSJed Brown PetscScalar *bval; 52c4762a1bSJed Brown row /= bs; 53c4762a1bSJed Brown col = start/bs; 549566063dSJacob Faibussowitsch PetscCall(PetscMalloc1(bs*bs,&bval)); 55c4762a1bSJed Brown k = 1; 56a5b23f4aSJose E. Roman /* row oriented - default */ 57c4762a1bSJed Brown for (i=0; i<bs; i++) { 58c4762a1bSJed Brown for (j=0; j<bs; j++) { 59c4762a1bSJed Brown bval[i*bs+j] = (PetscScalar)k; k++; 60c4762a1bSJed Brown } 61c4762a1bSJed Brown } 629566063dSJacob Faibussowitsch PetscCall(MatSetValuesBlocked(A,1,&row,1,&col,bval,INSERT_VALUES)); 639566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY)); 649566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY)); 659566063dSJacob Faibussowitsch PetscCall(PetscFree(bval)); 66c4762a1bSJed Brown } 67c4762a1bSJed Brown 689566063dSJacob Faibussowitsch PetscCall(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 699566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 709566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 71b122ec5aSJacob Faibussowitsch return 0; 72c4762a1bSJed Brown } 73c4762a1bSJed Brown 74c4762a1bSJed Brown /*TEST 75c4762a1bSJed Brown 76c4762a1bSJed Brown test: 77c4762a1bSJed Brown suffix: 1 78c4762a1bSJed Brown nsize: 3 79c4762a1bSJed Brown args: -mat_block_size 2 -test_setvaluesblocked 80c4762a1bSJed Brown 81c4762a1bSJed Brown test: 82c4762a1bSJed Brown suffix: 2 83c4762a1bSJed Brown nsize: 3 84c4762a1bSJed Brown args: -mat_block_size 2 -test_setvaluesblocked -column_oriented 85c4762a1bSJed Brown 86c4762a1bSJed Brown test: 87c4762a1bSJed Brown suffix: 3 88c4762a1bSJed Brown nsize: 3 89c4762a1bSJed Brown args: -mat_block_size 1 -test_setvaluesblocked 90c4762a1bSJed Brown 91c4762a1bSJed Brown test: 92c4762a1bSJed Brown suffix: 4 93c4762a1bSJed Brown nsize: 3 94c4762a1bSJed Brown args: -mat_block_size 1 -test_setvaluesblocked -column_oriented 95c4762a1bSJed Brown 96c4762a1bSJed Brown TEST*/ 97