1 2 /* tests MatSeqSBAIJSetPreallocationCSR() and MatMPISBAIJSetPreallocationCSR() */ 3 4 #include <petsc.h> 5 6 int main(int argc, char **args) 7 { 8 PetscInt ia[3] = {0, 2, 4}; 9 PetscInt ja[4] = {0, 1, 0, 1}; 10 PetscScalar c[16] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}; 11 Mat ssbaij, msbaij; 12 PetscBool v2 = PETSC_FALSE; 13 14 PetscFunctionBeginUser; 15 PetscCall(PetscInitialize(&argc, &args, (char *)0, (char *)0)); 16 PetscCall(PetscOptionsGetBool(NULL, NULL, "-v2", &v2, NULL)); 17 18 PetscCall(MatCreate(PETSC_COMM_SELF, &ssbaij)); 19 PetscCall(MatCreate(PETSC_COMM_SELF, &msbaij)); 20 if (!v2) { 21 PetscCall(MatSetType(ssbaij, MATSEQSBAIJ)); 22 PetscCall(MatSetType(msbaij, MATMPISBAIJ)); 23 } 24 PetscCall(MatSetBlockSize(ssbaij, 2)); 25 PetscCall(MatSetSizes(ssbaij, 4, 4, 4, 4)); 26 PetscCall(MatSetBlockSize(msbaij, 2)); 27 PetscCall(MatSetSizes(msbaij, 4, 4, 4, 4)); 28 if (v2) { 29 PetscCall(MatSetUp(ssbaij)); 30 PetscCall(MatSetUp(msbaij)); 31 PetscCall(MatSetType(ssbaij, MATSEQSBAIJ)); 32 PetscCall(MatSetType(msbaij, MATMPISBAIJ)); 33 } 34 PetscCall(MatSeqSBAIJSetPreallocationCSR(ssbaij, 2, ia, ja, c)); 35 PetscCall(MatMPISBAIJSetPreallocationCSR(msbaij, 2, ia, ja, c)); 36 PetscCall(MatView(ssbaij, PETSC_VIEWER_STDOUT_(PETSC_COMM_SELF))); 37 PetscCall(MatView(msbaij, PETSC_VIEWER_STDOUT_(PETSC_COMM_SELF))); 38 PetscCall(MatDestroy(&ssbaij)); 39 PetscCall(MatDestroy(&msbaij)); 40 PetscCall(PetscFinalize()); 41 return 0; 42 } 43 44 /*TEST 45 46 test: 47 filter: sed "s?\.??g" 48 49 test: 50 suffix: 2 51 filter: sed "s?\.??g" 52 args : -v2 53 output_file: output/ex232_1.out 54 55 TEST*/ 56