54 …Mat                       schur_user; /* User-provided matrix for constructing the preconditioner …  member
103     return jac->schur_user ? jac->schur_user : jac->pmat[1];  in FieldSplitSchurPre()
201       if (jac->schur_user) {  in PCView_FieldSplit_Schur()
263     if (jac->schurpre == PC_FIELDSPLIT_SCHUR_PRE_USER && !jac->schur_user) {  in PCView_FieldSplit_Schur()
703           jac->schur_user = jac->pmat[i];  in PCSetUp_FieldSplit()
705           PetscCall(PetscObjectReference((PetscObject)jac->schur_user));  in PCSetUp_FieldSplit()
884         PetscCall(MatDestroy(&jac->schur_user));  in PCSetUp_FieldSplit()
885         PetscCall(MatSchurComplementComputeExplicitOperator(jac->schur, &jac->schur_user));  in PCSetUp_FieldSplit()
1008 …jac->head->ksp) PetscCall(MatSchurComplementComputeExplicitOperator(jac->schur, &jac->schur_user));  in PCSetUp_FieldSplit()
1295           PetscCall(MatSchurComplementComputeExplicitOperator(jac->schur, &jac->schur_user));  in PCApply_FieldSplit_Schur()
1296           PetscCall(KSPSetOperators(jac->kspschur, jac->schur, jac->schur_user));  in PCApply_FieldSplit_Schur()
1509           PetscCall(MatSchurComplementComputeExplicitOperator(jac->schur, &jac->schur_user));  in PCMatApply_FieldSplit_Schur()
1510           PetscCall(KSPSetOperators(jac->kspschur, jac->schur, jac->schur_user));  in PCMatApply_FieldSplit_Schur()
2094   PetscCall(MatDestroy(&jac->schur_user));  in PCReset_FieldSplit()
2992     PetscCall(MatDestroy(&jac->schur_user));  in PCFieldSplitSetSchurPre_FieldSplit()
2993     jac->schur_user = pre;  in PCFieldSplitSetSchurPre_FieldSplit()
2994     PetscCall(PetscObjectReference((PetscObject)jac->schur_user));  in PCFieldSplitSetSchurPre_FieldSplit()
3005   if (pre) *pre = jac->schur_user;  in PCFieldSplitGetSchurPre_FieldSplit()