170   void      *schur; // MumpsScalar  member
227     PetscCall(PetscFree(inner->schur)); \
458     inner->schur         = (mumpsscalar *)outer->schur; \
2519   if (F->schur) {  in MatFactorNumeric_MUMPS()
2522     PetscCall(MatDenseGetArrayRead(F->schur, &array));  in MatFactorNumeric_MUMPS()
2523 …ray(PETSC_FALSE, size * size, array, mumps->id.precision, &mumps->id.schur_len, &mumps->id.schur));  in MatFactorNumeric_MUMPS()
2524     PetscCall(MatDenseRestoreArrayRead(F->schur, &array));  in MatFactorNumeric_MUMPS()
2550   if (F->schur) { /* reset Schur status to unfactored */  in MatFactorNumeric_MUMPS()
2552     F->schur->offloadmask = PETSC_OFFLOAD_CPU;  in MatFactorNumeric_MUMPS()
2555     PetscCall(MatDenseGetArray(F->schur, &array));  in MatFactorNumeric_MUMPS()
2556 …arArray(mumps->id.size_schur * mumps->id.size_schur, mumps->id.precision, mumps->id.schur, array));  in MatFactorNumeric_MUMPS()
2557     PetscCall(MatDenseRestoreArray(F->schur, &array));  in MatFactorNumeric_MUMPS()
2560       PetscCall(MatTranspose(F->schur, MAT_INPLACE_MATRIX, &F->schur));  in MatFactorNumeric_MUMPS()
2606 …PetscBool     schur = mumps->id.icntl ? (PetscBool)(mumps->id.ICNTL(26) == -1) : (PetscBool)(mumps…  in MatSetFromOptions_MUMPS()  local
2627 …PetscCheck(!schur, PETSC_COMM_SELF, PETSC_ERR_SUP, "Cannot use -%smat_mumps_use_omp_threads with t…  in MatSetFromOptions_MUMPS()
2659     arr           = mumps->id.schur;  in MatSetFromOptions_MUMPS()
2702     if (schur) {  in MatSetFromOptions_MUMPS()
2705       mumps->id.schur         = arr;  in MatSetFromOptions_MUMPS()
2800     PetscCall(MatDestroy(&F->schur));  in MatSetFromOptions_MUMPS()
3265   PetscCall(MatDestroy(&F->schur));  in MatFactorSetSchurIS_MUMPS()
3266   PetscCall(MatCreateSeqDense(PETSC_COMM_SELF, size, size, NULL, &F->schur));  in MatFactorSetSchurIS_MUMPS()
3270   if (mumps->sym == 1) PetscCall(MatSetOption(F->schur, MAT_SPD, PETSC_TRUE));  in MatFactorSetSchurIS_MUMPS()
3301         for (j = 0; j < N; j++) array[j * N + i] = ID_FIELD_GET(mumps->id, schur, i * N + j);  in MatFactorCreateSchurComplement_MUMPS()
3304       PetscCall(MatMumpsCastMumpsScalarArray(N * N, mumps->id.precision, mumps->id.schur, array));  in MatFactorCreateSchurComplement_MUMPS()
3309 …for (j = i; j < N; j++) array[i * N + j] = array[j * N + i] = ID_FIELD_GET(mumps->id, schur, i * N…  in MatFactorCreateSchurComplement_MUMPS()
3312       PetscCall(MatMumpsCastMumpsScalarArray(N * N, mumps->id.precision, mumps->id.schur, array));  in MatFactorCreateSchurComplement_MUMPS()
3315 …0; j < i + 1; j++) array[i * N + j] = array[j * N + i] = ID_FIELD_GET(mumps->id, schur, i * N + j);  in MatFactorCreateSchurComplement_MUMPS()