1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Tests MatMPIBAIJ format in sequential run \n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #include <petscmat.h> 5c4762a1bSJed Brown int main(int argc,char **args) 6c4762a1bSJed Brown { 7c4762a1bSJed Brown Mat A,B; 8c4762a1bSJed Brown PetscInt i,rstart,rend; 9c4762a1bSJed Brown PetscMPIInt rank,size; 10c4762a1bSJed Brown PetscScalar v; 11c4762a1bSJed Brown 12*9566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&args,(char*)0,help)); 13*9566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank)); 14*9566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD,&size)); 15c4762a1bSJed Brown 16c4762a1bSJed Brown /* Create a MPIBAIJ matrix */ 17*9566063dSJacob Faibussowitsch PetscCall(MatCreate(PETSC_COMM_WORLD,&A)); 18*9566063dSJacob Faibussowitsch PetscCall(MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,32,32)); 19*9566063dSJacob Faibussowitsch PetscCall(MatSetType(A,MATMPIBAIJ)); 20*9566063dSJacob Faibussowitsch PetscCall(MatSeqBAIJSetPreallocation(A,2,2,NULL)); 21*9566063dSJacob Faibussowitsch PetscCall(MatMPIBAIJSetPreallocation(A,2,2,NULL,2,NULL)); 22c4762a1bSJed Brown 23c4762a1bSJed Brown v = 1.0; 24*9566063dSJacob Faibussowitsch PetscCall(MatGetOwnershipRange(A,&rstart,&rend)); 25c4762a1bSJed Brown for (i=rstart; i<rend; i++) { 26*9566063dSJacob Faibussowitsch PetscCall(MatSetValues(A,1,&i,1,&i,&v,INSERT_VALUES)); 27c4762a1bSJed Brown } 28*9566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(A,MAT_FINAL_ASSEMBLY)); 29*9566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(A,MAT_FINAL_ASSEMBLY)); 30c4762a1bSJed Brown 31c4762a1bSJed Brown /* Convert A to AIJ format */ 32*9566063dSJacob Faibussowitsch PetscCall(MatConvert(A,MATAIJ,MAT_INITIAL_MATRIX,&B)); 33c4762a1bSJed Brown 34*9566063dSJacob Faibussowitsch PetscCall(MatDestroy(&A)); 35*9566063dSJacob Faibussowitsch PetscCall(MatDestroy(&B)); 36*9566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 37b122ec5aSJacob Faibussowitsch return 0; 38c4762a1bSJed Brown } 39c4762a1bSJed Brown 40c4762a1bSJed Brown /*TEST 41c4762a1bSJed Brown 42c4762a1bSJed Brown test: 43c4762a1bSJed Brown output_file: output/ex160.out 44c4762a1bSJed Brown 45c4762a1bSJed Brown TEST*/ 46