1c4762a1bSJed Brown static char help[] = "Testing MatCreateMPIAIJSumSeqAIJ().\n\n"; 2c4762a1bSJed Brown 3c4762a1bSJed Brown #include <petscmat.h> 4c4762a1bSJed Brown 5c4762a1bSJed Brown int main(int argc,char **argv) 6c4762a1bSJed Brown { 7c4762a1bSJed Brown Mat A,B; 8c4762a1bSJed Brown MatScalar a[1],alpha; 9c4762a1bSJed Brown PetscMPIInt size,rank; 10c4762a1bSJed Brown PetscInt m,n,i,col, prid; 11c4762a1bSJed Brown PetscErrorCode ierr; 12c4762a1bSJed Brown 13c4762a1bSJed Brown ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 14*5f80ce2aSJacob Faibussowitsch CHKERRMPI(MPI_Comm_size(PETSC_COMM_WORLD,&size)); 15*5f80ce2aSJacob Faibussowitsch CHKERRMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank)); 16c4762a1bSJed Brown prid = size; 17*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-prid",&prid,NULL)); 18c4762a1bSJed Brown 19c4762a1bSJed Brown m = n = 10*size; 20*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreate(PETSC_COMM_SELF,&A)); 21*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetSizes(A,PETSC_DETERMINE,PETSC_DETERMINE,m,n)); 22*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetType(A,MATSEQAIJ)); 23*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetUp(A)); 24c4762a1bSJed Brown 25c4762a1bSJed Brown a[0] = rank+1; 26c4762a1bSJed Brown for (i=0; i<m-rank; i++) { 27c4762a1bSJed Brown col = i+rank; 28*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatSetValues(A,1,&i,1,&col,a,INSERT_VALUES)); 29c4762a1bSJed Brown } 30*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY)); 31*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY)); 32c4762a1bSJed Brown 33c4762a1bSJed Brown if (rank == prid) { 34*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"[%d] A: \n",rank)); 35*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatView(A,PETSC_VIEWER_STDOUT_SELF)); 36c4762a1bSJed Brown } 37c4762a1bSJed Brown 38c4762a1bSJed Brown /* Test MatCreateMPIAIJSumSeqAIJ */ 39*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreateMPIAIJSumSeqAIJ(PETSC_COMM_WORLD,A,PETSC_DECIDE,PETSC_DECIDE,MAT_INITIAL_MATRIX,&B)); 40c4762a1bSJed Brown 41c4762a1bSJed Brown /* Test MAT_REUSE_MATRIX */ 42c4762a1bSJed Brown alpha = 0.1; 43c4762a1bSJed Brown for (i=0; i<3; i++) { 44*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatScale(A,alpha)); 45*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatCreateMPIAIJSumSeqAIJ(PETSC_COMM_WORLD,A,PETSC_DECIDE,PETSC_DECIDE,MAT_REUSE_MATRIX,&B)); 46c4762a1bSJed Brown } 47*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatView(B, PETSC_VIEWER_STDOUT_WORLD)); 48*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&B)); 49*5f80ce2aSJacob Faibussowitsch CHKERRQ(MatDestroy(&A)); 50c4762a1bSJed Brown ierr = PetscFinalize(); 51c4762a1bSJed Brown return ierr; 52c4762a1bSJed Brown } 53c4762a1bSJed Brown 54c4762a1bSJed Brown /*TEST 55c4762a1bSJed Brown 56c4762a1bSJed Brown test: 57c4762a1bSJed Brown nsize: 3 58c4762a1bSJed Brown filter: grep -v "MPI processes" 59c4762a1bSJed Brown 60c4762a1bSJed Brown test: 61c4762a1bSJed Brown suffix: 2 62c4762a1bSJed Brown filter: grep -v "MPI processes" 63c4762a1bSJed Brown 64c4762a1bSJed Brown TEST*/ 65