1 2 static char help[] = "Tests MatCreateMPISBAIJWithArrays().\n\n"; 3 4 #include <petscmat.h> 5 6 int main(int argc,char **args) 7 { 8 Mat A; 9 PetscInt m = 4, bs = 1,ii[5],jj[7]; 10 PetscMPIInt size,rank; 11 PetscScalar aa[7]; 12 13 PetscFunctionBeginUser; 14 PetscCall(PetscInitialize(&argc,&args,(char*)0,help)); 15 PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD,&size)); 16 PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank)); 17 PetscCheck(size == 2,PETSC_COMM_WORLD,PETSC_ERR_WRONG_MPI_SIZE,"Only for two processes"); 18 19 if (rank == 0) { 20 ii[0] = 0; ii[1] = 2; ii[2] = 5; ii[3] = 7; ii[4] = 7; 21 jj[0] = 0; jj[1] = 1; jj[2] = 1; jj[3] = 2; jj[4] = 6; jj[5] = 3; jj[6] = 7; 22 aa[0] = 0; aa[1] = 1; aa[2] = 2; aa[3] = 3; aa[4] = 4; aa[5] = 5; aa[6] = 6; 23 /* 0 1 24 1 2 6 25 3 7 */ 26 } else { 27 ii[0] = 0; ii[1] = 2; ii[2] = 4; ii[3] = 6; ii[4] = 7; 28 jj[0] = 4; jj[1] = 5; jj[2] = 5; jj[3] = 7; jj[4] = 6; jj[5] = 7; jj[6] = 7; 29 aa[0] = 8; aa[1] = 9; aa[2] = 10; aa[3] = 11; aa[4] = 12; aa[5] = 13; aa[6] = 14; 30 /* 4 5 31 5 7 32 6 7 33 7 */ 34 } 35 PetscCall(MatCreateMPISBAIJWithArrays(PETSC_COMM_WORLD,bs,m,m,PETSC_DECIDE,PETSC_DECIDE,ii,jj,aa,&A)); 36 PetscCall(MatView(A,PETSC_VIEWER_STDOUT_WORLD)); 37 PetscCall(MatDestroy(&A)); 38 PetscCall(PetscFinalize()); 39 return 0; 40 } 41 42 /*TEST 43 44 test: 45 nsize: 2 46 47 TEST*/ 48