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 PetscErrorCode ierr; 11c4762a1bSJed Brown PetscMPIInt rank,size; 12c4762a1bSJed Brown PetscScalar data=100; 13c4762a1bSJed Brown PetscBool flg; 14c4762a1bSJed Brown 15c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 16ffc4695bSBarry Smith ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRMPI(ierr); 17ffc4695bSBarry Smith ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRMPI(ierr); 18c4762a1bSJed Brown 19c4762a1bSJed Brown /* Test MatSetValues() and MatGetValues() */ 20c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-mat_block_size",&bs,NULL);CHKERRQ(ierr); 21c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-mat_size",&m,NULL);CHKERRQ(ierr); 22c4762a1bSJed Brown 23c4762a1bSJed Brown M = m*bs*size; 24c4762a1bSJed Brown ierr = MatCreateBAIJ(PETSC_COMM_WORLD,bs,PETSC_DECIDE,PETSC_DECIDE,M,M,PETSC_DECIDE,NULL,PETSC_DECIDE,NULL,&A);CHKERRQ(ierr); 25c4762a1bSJed Brown 26c4762a1bSJed Brown ierr = MatGetOwnershipRange(A,&start,&end);CHKERRQ(ierr); 27c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-column_oriented",&flg);CHKERRQ(ierr); 28c4762a1bSJed Brown if (flg) { 29c4762a1bSJed Brown ierr = MatSetOption(A,MAT_ROW_ORIENTED,PETSC_FALSE);CHKERRQ(ierr); 30c4762a1bSJed Brown } 31c4762a1bSJed Brown 32c4762a1bSJed Brown /* inproc assembly */ 33c4762a1bSJed Brown for (row=start; row<end; row++) { 34c4762a1bSJed Brown for (col=start; col<end; col++,data+=1) { 35c4762a1bSJed Brown ierr = MatSetValues(A,1,&row,1,&col,&data,INSERT_VALUES);CHKERRQ(ierr); 36c4762a1bSJed Brown } 37c4762a1bSJed Brown } 38c4762a1bSJed Brown ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 39c4762a1bSJed Brown ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 40c4762a1bSJed Brown 41c4762a1bSJed Brown /* offproc assembly */ 42c4762a1bSJed Brown data = 5.0; 43c4762a1bSJed Brown row = (M+start-1)%M; 44c4762a1bSJed Brown for (col=0; col<M; col++) { 45c4762a1bSJed Brown ierr = MatSetValues(A,1,&row,1,&col,&data,ADD_VALUES);CHKERRQ(ierr); 46c4762a1bSJed Brown } 47c4762a1bSJed Brown ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 48c4762a1bSJed Brown ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 49c4762a1bSJed Brown 50c4762a1bSJed Brown /* Test MatSetValuesBlocked() */ 51c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-test_setvaluesblocked",&flg);CHKERRQ(ierr); 52c4762a1bSJed Brown if (flg) { 53c4762a1bSJed Brown PetscScalar *bval; 54c4762a1bSJed Brown row /= bs; 55c4762a1bSJed Brown col = start/bs; 56c4762a1bSJed Brown ierr = PetscMalloc1(bs*bs,&bval);CHKERRQ(ierr); 57c4762a1bSJed Brown k = 1; 58*a5b23f4aSJose E. Roman /* row oriented - default */ 59c4762a1bSJed Brown for (i=0; i<bs; i++) { 60c4762a1bSJed Brown for (j=0; j<bs; j++) { 61c4762a1bSJed Brown bval[i*bs+j] = (PetscScalar)k; k++; 62c4762a1bSJed Brown } 63c4762a1bSJed Brown } 64c4762a1bSJed Brown ierr = MatSetValuesBlocked(A,1,&row,1,&col,bval,INSERT_VALUES);CHKERRQ(ierr); 65c4762a1bSJed Brown ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 66c4762a1bSJed Brown ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 67c4762a1bSJed Brown ierr = PetscFree(bval);CHKERRQ(ierr); 68c4762a1bSJed Brown } 69c4762a1bSJed Brown 70c4762a1bSJed Brown ierr = MatView(A,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 71c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 72c4762a1bSJed Brown ierr = PetscFinalize(); 73c4762a1bSJed Brown return ierr; 74c4762a1bSJed Brown } 75c4762a1bSJed Brown 76c4762a1bSJed Brown /*TEST 77c4762a1bSJed Brown 78c4762a1bSJed Brown test: 79c4762a1bSJed Brown suffix: 1 80c4762a1bSJed Brown nsize: 3 81c4762a1bSJed Brown args: -mat_block_size 2 -test_setvaluesblocked 82c4762a1bSJed Brown 83c4762a1bSJed Brown test: 84c4762a1bSJed Brown suffix: 2 85c4762a1bSJed Brown nsize: 3 86c4762a1bSJed Brown args: -mat_block_size 2 -test_setvaluesblocked -column_oriented 87c4762a1bSJed Brown 88c4762a1bSJed Brown test: 89c4762a1bSJed Brown suffix: 3 90c4762a1bSJed Brown nsize: 3 91c4762a1bSJed Brown args: -mat_block_size 1 -test_setvaluesblocked 92c4762a1bSJed Brown 93c4762a1bSJed Brown test: 94c4762a1bSJed Brown suffix: 4 95c4762a1bSJed Brown nsize: 3 96c4762a1bSJed Brown args: -mat_block_size 1 -test_setvaluesblocked -column_oriented 97c4762a1bSJed Brown 98c4762a1bSJed Brown TEST*/ 99c4762a1bSJed Brown 100