14   PetscCall(MatDestroy(&fas->interpolate));  in SNESReset_FAS()
115       if (!fas->interpolate) {  in SNESSetUp_FAS()
116         PetscCall(DMCreateInterpolation(next->dm, snes->dm, &fas->interpolate, &fas->rscale));  in SNESSetUp_FAS()
123             PetscCall(PetscObjectReference((PetscObject)fas->interpolate));  in SNESSetUp_FAS()
124             fas->restrct = fas->interpolate;  in SNESSetUp_FAS()
440   } else if (fas->interpolate) {  in SNESFASCreateCoarseVec()
441     PetscCall(MatCreateVecs(fas->interpolate, Xcoarse, NULL));  in SNESFASCreateCoarseVec()
492   Mat                 restrct, interpolate;  in SNESFASInterpolatedCoarseSolution()  local
501     PetscCall(SNESFASCycleGetInterpolation(snes, &interpolate));  in SNESFASInterpolatedCoarseSolution()
529     PetscCall(DMInterpolateSolution(dmc, dmf, interpolate, X_c, X_new));  in SNESFASInterpolatedCoarseSolution()
552   Mat                 restrct, interpolate;  in SNESFASCoarseCorrection()  local
561     PetscCall(SNESFASCycleGetInterpolation(snes, &interpolate));  in SNESFASCoarseCorrection()
598     PetscCall(MatInterpolateAdd(interpolate, X_c, X, X_new));  in SNESFASCoarseCorrection()
626   Mat                 restrct, interpolate;  in SNESFASCycle_Additive()  local
639     PetscCall(SNESFASCycleGetInterpolation(snes, &interpolate));  in SNESFASCycle_Additive()
679     PetscCall(MatInterpolate(interpolate, X_c, Xhat));  in SNESFASCycle_Additive()
968   fas->interpolate            = NULL;  in SNESCreate_FAS()