302  * @brief Return Mats for KSP solve
304 …* Uses command-line flag with `ksp`'s prefix to determine if mat_ceed should be used directly or w…
307 …d`, then `Pmat` is either assembled or uses `mat_ceed` based on the preconditioner choice in `ksp`.
309  * @param[in]  ksp      `KSP` object for used for solving
315 PetscErrorCode CreateSolveOperatorsFromMatCeed(KSP ksp, Mat mat_ceed, PetscBool assemble, Mat *Amat…  in CreateSolveOperatorsFromMatCeed()  argument
322     PetscCall(KSPGetOptionsPrefix(ksp, &ksp_prefix));  in CreateSolveOperatorsFromMatCeed()
324 …PetscCall(PetscOptionsBool("-matceed_assemble_amat", "Assemble the A matrix for KSP solve", NULL, …  in CreateSolveOperatorsFromMatCeed()
344     PetscCall(KSPGetPC(ksp, &pc));  in CreateSolveOperatorsFromMatCeed()
364  * @param[in] ksp      `KSP` of the solve
367 PetscErrorCode KSPSetFromOptions_WithMatCeed(KSP ksp, Mat mat_ceed) {  in KSPSetFromOptions_WithMatCeed()  argument
371   PetscCall(KSPSetFromOptions(ksp));  in KSPSetFromOptions_WithMatCeed()
372   PetscCall(CreateSolveOperatorsFromMatCeed(ksp, mat_ceed, PETSC_TRUE, &Amat, &Pmat));  in KSPSetFromOptions_WithMatCeed()
373   PetscCall(KSPSetOperators(ksp, Amat, Pmat));  in KSPSetFromOptions_WithMatCeed()