12   Mat              B;  member
63 PetscErrorCode PCLMVMSetMatLMVM(PC pc, Mat B)  in PCLMVMSetMatLMVM()  argument
70   PetscValidHeaderSpecific(B, MAT_CLASSID, 2);  in PCLMVMSetMatLMVM()
73   PetscCall(PetscObjectBaseTypeCompare((PetscObject)B, MATLMVM, &same));  in PCLMVMSetMatLMVM()
76   PetscCall(PetscObjectReference((PetscObject)B));  in PCLMVMSetMatLMVM()
77   PetscCall(MatDestroy(&ctx->B));  in PCLMVMSetMatLMVM()
78   ctx->B = B;  in PCLMVMSetMatLMVM()
95 PetscErrorCode PCLMVMGetMatLMVM(PC pc, Mat *B)  in PCLMVMGetMatLMVM()  argument
105   if (!ctx->B) {  in PCLMVMGetMatLMVM()
111     if (same) *B = J;  in PCLMVMGetMatLMVM()
116       PetscCall(MatCreate(PetscObjectComm((PetscObject)pc), &ctx->B));  in PCLMVMGetMatLMVM()
117       PetscCall(MatSetOptionsPrefix(ctx->B, prefix));  in PCLMVMGetMatLMVM()
118       PetscCall(MatAppendOptionsPrefix(ctx->B, "pc_lmvm_"));  in PCLMVMGetMatLMVM()
119       PetscCall(MatSetType(ctx->B, MATLMVMBFGS));  in PCLMVMGetMatLMVM()
120       PetscCall(PetscObjectIncrementTabLevel((PetscObject)ctx->B, (PetscObject)pc, 1));  in PCLMVMGetMatLMVM()
121       *B = ctx->B;  in PCLMVMGetMatLMVM()
123   } else *B = ctx->B;  in PCLMVMGetMatLMVM()
186   Mat      B = ctx->B ? ctx->B : (pc->useAmat ? pc->mat : pc->pmat);  in PCApply_LMVM()  local
190     if (!ctx->xwork) PetscCall(MatCreateVecs(B, &ctx->xwork, &ctx->ywork));  in PCApply_LMVM()
198   PetscCall(MatSolve(B, Bx, By));  in PCApply_LMVM()
221   Mat       B;  in PCSetUp_LMVM()  local
225   PetscCall(PCLMVMGetMatLMVM(pc, &B));  in PCSetUp_LMVM()
226   PetscCall(MatLMVMIsAllocated(B, &allocated));  in PCSetUp_LMVM()
233     PetscCall(MatSetSizes(B, n, n, N, N));  in PCSetUp_LMVM()
234     PetscCall(MatLMVMAllocate(B, t1, t2));  in PCSetUp_LMVM()
239   if (B == ctx->B && ctx->setfromoptionscalled) PetscCall(MatSetFromOptions(ctx->B));  in PCSetUp_LMVM()
251   if (isascii && ctx->B && ctx->B->assembled) {  in PCView_LMVM()
253     PetscCall(MatView(ctx->B, viewer));  in PCView_LMVM()
274 …if (ctx->X && ctx->B) { /* Perform update only if requested. Otherwise we assume the user, e.g. TA…  in PCPreSolve_LMVM()
278     if (ctx->Xstate != Xstate) PetscCall(MatLMVMUpdate(ctx->B, ctx->X, F));  in PCPreSolve_LMVM()
293   PetscCall(MatDestroy(&ctx->B));  in PCDestroy_LMVM()