30   PetscCall(KSPDestroy(&spanstats_->ksp));  in SpanStatsCtxDestroy()
325     KSP ksp;  in SpanwiseStatisticsSetupL2Projection()  local
329     PetscCall(KSPCreate(PetscObjectComm((PetscObject)spanstats->dm), &ksp));  in SpanwiseStatisticsSetupL2Projection()
330     PetscCall(KSPSetOptionsPrefix(ksp, spanstats->prefix));  in SpanwiseStatisticsSetupL2Projection()
333       PetscCall(KSPGetPC(ksp, &pc));  in SpanwiseStatisticsSetupL2Projection()
336       PetscCall(KSPSetType(ksp, KSPCG));  in SpanwiseStatisticsSetupL2Projection()
337       PetscCall(KSPSetNormType(ksp, KSP_NORM_NATURAL));  in SpanwiseStatisticsSetupL2Projection()
338       PetscCall(KSPSetTolerances(ksp, 1e-10, PETSC_DEFAULT, PETSC_DEFAULT, PETSC_DEFAULT));  in SpanwiseStatisticsSetupL2Projection()
340     PetscCall(KSPSetFromOptions_WithMatCeed(ksp, mat_mass));  in SpanwiseStatisticsSetupL2Projection()
341     spanstats->ksp = ksp;  in SpanwiseStatisticsSetupL2Projection()
462   PetscCall(KSPSolve(spanstats->ksp, RHS, stats));  in SpanwiseStatisticsProcess()