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 149566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&args,(char*)0,help)); 159566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank)); 169566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD,&size)); 17c4762a1bSJed Brown 18c4762a1bSJed Brown /* Test MatSetValues() and MatGetValues() */ 199566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-mat_block_size",&bs,NULL)); 209566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-mat_size",&m,NULL)); 21c4762a1bSJed Brown 22c4762a1bSJed Brown M = m*bs*size; 239566063dSJacob Faibussowitsch PetscCall(MatCreateBAIJ(PETSC_COMM_WORLD,bs,PETSC_DECIDE,PETSC_DECIDE,M,M,PETSC_DECIDE,NULL,PETSC_DECIDE,NULL,&A)); 24c4762a1bSJed Brown 259566063dSJacob Faibussowitsch PetscCall(MatGetOwnershipRange(A,&start,&end)); 269566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL,NULL,"-column_oriented",&flg)); 27*1baa6e33SBarry Smith if (flg) PetscCall(MatSetOption(A,MAT_ROW_ORIENTED,PETSC_FALSE)); 28c4762a1bSJed Brown 29c4762a1bSJed Brown /* inproc assembly */ 30c4762a1bSJed Brown for (row=start; row<end; row++) { 31c4762a1bSJed Brown for (col=start; col<end; col++,data+=1) { 329566063dSJacob Faibussowitsch PetscCall(MatSetValues(A,1,&row,1,&col,&data,INSERT_VALUES)); 33c4762a1bSJed Brown } 34c4762a1bSJed Brown } 359566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY)); 369566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY)); 37c4762a1bSJed Brown 38c4762a1bSJed Brown /* offproc assembly */ 39c4762a1bSJed Brown data = 5.0; 40c4762a1bSJed Brown row = (M+start-1)%M; 41c4762a1bSJed Brown for (col=0; col<M; col++) { 429566063dSJacob Faibussowitsch PetscCall(MatSetValues(A,1,&row,1,&col,&data,ADD_VALUES)); 43c4762a1bSJed Brown } 449566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY)); 459566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY)); 46c4762a1bSJed Brown 47c4762a1bSJed Brown /* Test MatSetValuesBlocked() */ 489566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL,NULL,"-test_setvaluesblocked",&flg)); 49c4762a1bSJed Brown if (flg) { 50c4762a1bSJed Brown PetscScalar *bval; 51c4762a1bSJed Brown row /= bs; 52c4762a1bSJed Brown col = start/bs; 539566063dSJacob Faibussowitsch PetscCall(PetscMalloc1(bs*bs,&bval)); 54c4762a1bSJed Brown k = 1; 55a5b23f4aSJose E. Roman /* row oriented - default */ 56c4762a1bSJed Brown for (i=0; i<bs; i++) { 57c4762a1bSJed Brown for (j=0; j<bs; j++) { 58c4762a1bSJed Brown bval[i*bs+j] = (PetscScalar)k; k++; 59c4762a1bSJed Brown } 60c4762a1bSJed Brown } 619566063dSJacob Faibussowitsch PetscCall(MatSetValuesBlocked(A,1,&row,1,&col,bval,INSERT_VALUES)); 629566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY)); 639566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY)); 649566063dSJacob Faibussowitsch PetscCall(PetscFree(bval)); 65c4762a1bSJed Brown } 66c4762a1bSJed Brown 679566063dSJacob Faibussowitsch PetscCall(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 689566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 699566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 70b122ec5aSJacob Faibussowitsch return 0; 71c4762a1bSJed Brown } 72c4762a1bSJed Brown 73c4762a1bSJed Brown /*TEST 74c4762a1bSJed Brown 75c4762a1bSJed Brown test: 76c4762a1bSJed Brown suffix: 1 77c4762a1bSJed Brown nsize: 3 78c4762a1bSJed Brown args: -mat_block_size 2 -test_setvaluesblocked 79c4762a1bSJed Brown 80c4762a1bSJed Brown test: 81c4762a1bSJed Brown suffix: 2 82c4762a1bSJed Brown nsize: 3 83c4762a1bSJed Brown args: -mat_block_size 2 -test_setvaluesblocked -column_oriented 84c4762a1bSJed Brown 85c4762a1bSJed Brown test: 86c4762a1bSJed Brown suffix: 3 87c4762a1bSJed Brown nsize: 3 88c4762a1bSJed Brown args: -mat_block_size 1 -test_setvaluesblocked 89c4762a1bSJed Brown 90c4762a1bSJed Brown test: 91c4762a1bSJed Brown suffix: 4 92c4762a1bSJed Brown nsize: 3 93c4762a1bSJed Brown args: -mat_block_size 1 -test_setvaluesblocked -column_oriented 94c4762a1bSJed Brown 95c4762a1bSJed Brown TEST*/ 96