1*c4762a1bSJed Brown 2*c4762a1bSJed Brown static char help[] = "Tests various routines in MatMPIBAIJ format.\n"; 3*c4762a1bSJed Brown 4*c4762a1bSJed Brown 5*c4762a1bSJed Brown #include <petscmat.h> 6*c4762a1bSJed Brown 7*c4762a1bSJed Brown int main(int argc,char **args) 8*c4762a1bSJed Brown { 9*c4762a1bSJed Brown Mat A; 10*c4762a1bSJed Brown PetscInt m=2,bs=1,M,row,col,start,end,i,j,k; 11*c4762a1bSJed Brown PetscErrorCode ierr; 12*c4762a1bSJed Brown PetscMPIInt rank,size; 13*c4762a1bSJed Brown PetscScalar data=100; 14*c4762a1bSJed Brown PetscBool flg; 15*c4762a1bSJed Brown 16*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&args,(char*)0,help);if (ierr) return ierr; 17*c4762a1bSJed Brown ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr); 18*c4762a1bSJed Brown ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr); 19*c4762a1bSJed Brown 20*c4762a1bSJed Brown /* Test MatSetValues() and MatGetValues() */ 21*c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-mat_block_size",&bs,NULL);CHKERRQ(ierr); 22*c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-mat_size",&m,NULL);CHKERRQ(ierr); 23*c4762a1bSJed Brown 24*c4762a1bSJed Brown M = m*bs*size; 25*c4762a1bSJed Brown ierr = MatCreateBAIJ(PETSC_COMM_WORLD,bs,PETSC_DECIDE,PETSC_DECIDE,M,M,PETSC_DECIDE,NULL,PETSC_DECIDE,NULL,&A);CHKERRQ(ierr); 26*c4762a1bSJed Brown 27*c4762a1bSJed Brown ierr = MatGetOwnershipRange(A,&start,&end);CHKERRQ(ierr); 28*c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-column_oriented",&flg);CHKERRQ(ierr); 29*c4762a1bSJed Brown if (flg) { 30*c4762a1bSJed Brown ierr = MatSetOption(A,MAT_ROW_ORIENTED,PETSC_FALSE);CHKERRQ(ierr); 31*c4762a1bSJed Brown } 32*c4762a1bSJed Brown 33*c4762a1bSJed Brown /* inproc assembly */ 34*c4762a1bSJed Brown for (row=start; row<end; row++) { 35*c4762a1bSJed Brown for (col=start; col<end; col++,data+=1) { 36*c4762a1bSJed Brown ierr = MatSetValues(A,1,&row,1,&col,&data,INSERT_VALUES);CHKERRQ(ierr); 37*c4762a1bSJed Brown } 38*c4762a1bSJed Brown } 39*c4762a1bSJed Brown ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 40*c4762a1bSJed Brown ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 41*c4762a1bSJed Brown 42*c4762a1bSJed Brown /* offproc assembly */ 43*c4762a1bSJed Brown data = 5.0; 44*c4762a1bSJed Brown row = (M+start-1)%M; 45*c4762a1bSJed Brown for (col=0; col<M; col++) { 46*c4762a1bSJed Brown ierr = MatSetValues(A,1,&row,1,&col,&data,ADD_VALUES);CHKERRQ(ierr); 47*c4762a1bSJed Brown } 48*c4762a1bSJed Brown ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 49*c4762a1bSJed Brown ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 50*c4762a1bSJed Brown 51*c4762a1bSJed Brown /* Test MatSetValuesBlocked() */ 52*c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-test_setvaluesblocked",&flg);CHKERRQ(ierr); 53*c4762a1bSJed Brown if (flg) { 54*c4762a1bSJed Brown PetscScalar *bval; 55*c4762a1bSJed Brown row /= bs; 56*c4762a1bSJed Brown col = start/bs; 57*c4762a1bSJed Brown ierr = PetscMalloc1(bs*bs,&bval);CHKERRQ(ierr); 58*c4762a1bSJed Brown k = 1; 59*c4762a1bSJed Brown /* row oriented - defalt */ 60*c4762a1bSJed Brown for (i=0; i<bs; i++) { 61*c4762a1bSJed Brown for (j=0; j<bs; j++) { 62*c4762a1bSJed Brown bval[i*bs+j] = (PetscScalar)k; k++; 63*c4762a1bSJed Brown } 64*c4762a1bSJed Brown } 65*c4762a1bSJed Brown ierr = MatSetValuesBlocked(A,1,&row,1,&col,bval,INSERT_VALUES);CHKERRQ(ierr); 66*c4762a1bSJed Brown ierr = MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 67*c4762a1bSJed Brown ierr = MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY);CHKERRQ(ierr); 68*c4762a1bSJed Brown ierr = PetscFree(bval);CHKERRQ(ierr); 69*c4762a1bSJed Brown } 70*c4762a1bSJed Brown 71*c4762a1bSJed Brown ierr = MatView(A,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr); 72*c4762a1bSJed Brown ierr = MatDestroy(&A);CHKERRQ(ierr); 73*c4762a1bSJed Brown ierr = PetscFinalize(); 74*c4762a1bSJed Brown return ierr; 75*c4762a1bSJed Brown } 76*c4762a1bSJed Brown 77*c4762a1bSJed Brown 78*c4762a1bSJed Brown 79*c4762a1bSJed Brown /*TEST 80*c4762a1bSJed Brown 81*c4762a1bSJed Brown test: 82*c4762a1bSJed Brown suffix: 1 83*c4762a1bSJed Brown nsize: 3 84*c4762a1bSJed Brown args: -mat_block_size 2 -test_setvaluesblocked 85*c4762a1bSJed Brown 86*c4762a1bSJed Brown test: 87*c4762a1bSJed Brown suffix: 2 88*c4762a1bSJed Brown nsize: 3 89*c4762a1bSJed Brown args: -mat_block_size 2 -test_setvaluesblocked -column_oriented 90*c4762a1bSJed Brown 91*c4762a1bSJed Brown test: 92*c4762a1bSJed Brown suffix: 3 93*c4762a1bSJed Brown nsize: 3 94*c4762a1bSJed Brown args: -mat_block_size 1 -test_setvaluesblocked 95*c4762a1bSJed Brown 96*c4762a1bSJed Brown test: 97*c4762a1bSJed Brown suffix: 4 98*c4762a1bSJed Brown nsize: 3 99*c4762a1bSJed Brown args: -mat_block_size 1 -test_setvaluesblocked -column_oriented 100*c4762a1bSJed Brown 101*c4762a1bSJed Brown TEST*/ 102*c4762a1bSJed Brown 103