10   Mat         mat, RHS, SOLU;  in createMatsAndVecs()  local
18   PetscCall(MatCreate(PETSC_COMM_WORLD, &RHS));  in createMatsAndVecs()
19   PetscCall(MatSetSizes(RHS, PETSC_DECIDE, PETSC_DECIDE, m, nrhs));  in createMatsAndVecs()
20   PetscCall(MatSetType(RHS, MATDENSE));  in createMatsAndVecs()
21   PetscCall(MatSetOptionsPrefix(RHS, "rhs_"));  in createMatsAndVecs()
22   PetscCall(MatSetFromOptions(RHS));  in createMatsAndVecs()
23   PetscCall(MatSeqDenseSetPreallocation(RHS, NULL));  in createMatsAndVecs()
27   PetscCall(MatSetRandom(RHS, rand));  in createMatsAndVecs()
30     PetscCall(MatDuplicate(RHS, MAT_DO_NOT_COPY_VALUES, &SOLU));  in createMatsAndVecs()
78   *_RHS  = RHS;  in createMatsAndVecs()
88   Mat         mat, F, RHS, SOLU;  in main()  local
111   PetscCall(createMatsAndVecs(n, n, nrhs, full, &mat, &RHS, &SOLU, &x, &y, &b));  in main()
137     PetscCall(MatMatSolve(F, RHS, SOLU));  in main()
139     PetscCall(MatAXPY(RHS, -1.0, RHS2, SAME_NONZERO_PATTERN));  in main()
140     PetscCall(MatNorm(RHS, NORM_FROBENIUS, &norm));  in main()
172     PetscCall(MatMatSolve(F, RHS, SOLU));  in main()
174     PetscCall(MatAXPY(RHS, -1.0, RHS2, SAME_NONZERO_PATTERN));  in main()
175     PetscCall(MatNorm(RHS, NORM_FROBENIUS, &norm));  in main()
194   PetscCall(MatDestroy(&RHS));  in main()
203     PetscCall(createMatsAndVecs(m, n, nrhs, full, &mat, &RHS, &SOLU, &x, &y, &b));  in main()
219       PetscCall(MatMatMult(mat, SOLU, MAT_REUSE_MATRIX, PETSC_DETERMINE, &RHS));  in main()
221       PetscCall(MatMatSolve(F, RHS, SOLU2));  in main()
250     PetscCall(MatDestroy(&RHS));  in main()