719 PetscErrorCode TSGetRHSMats_Private(TS ts, Mat *Arhs, Mat *Brhs)  in TSGetRHSMats_Private()  argument
726   if (Brhs) *Brhs = NULL;  in TSGetRHSMats_Private()
741       if (flg && !ijacobian && ts->Arhs == ts->Brhs) {  in TSGetRHSMats_Private()
749   if (Brhs) {  in TSGetRHSMats_Private()
750     if (!ts->Brhs) {  in TSGetRHSMats_Private()
753           PetscCall(MatDuplicate(B, MAT_DO_NOT_COPY_VALUES, &ts->Brhs));  in TSGetRHSMats_Private()
755           ts->Brhs = B;  in TSGetRHSMats_Private()
760         ts->Brhs = ts->Arhs;  in TSGetRHSMats_Private()
763     *Brhs = ts->Brhs;  in TSGetRHSMats_Private()
849   PetscCheck(B == ts->Brhs, PetscObjectComm((PetscObject)ts), PETSC_ERR_SUP, "Invalid Bmat");  in TSRecoverRHSJacobian()
853   if (B && B == ts->Brhs && A != B) {  in TSRecoverRHSJacobian()
945     Mat Arhs = NULL, Brhs = NULL;  in TSComputeIJacobian()  local
948     if (rhsjacobian) PetscCall(TSGetRHSMats_Private(ts, &Arhs, &Brhs));  in TSComputeIJacobian()
993       PetscCall(TSComputeRHSJacobian(ts, t, U, Arhs, Brhs));  in TSComputeIJacobian()
995       if (A != B) PetscCall(MatAXPY(B, -1, Brhs, ts->axpy_pattern));  in TSComputeIJacobian()
1168     PetscCall(MatDestroy(&ts->Brhs));  in TSSetRHSJacobian()
1169     ts->Brhs = Pmat;  in TSSetRHSJacobian()
2533     if (Pmat && Pmat == ts->Brhs) {  in TSSetUp()
2534       PetscCall(MatDuplicate(ts->Brhs, MAT_COPY_VALUES, &Pmat));  in TSSetUp()
2599   PetscCall(MatDestroy(&ts->Brhs));  in TSReset()
4647   Mat Arhs, Brhs;  in TSComputeRHSFunctionLinear()  local
4650   PetscCall(TSGetRHSMats_Private(ts, &Arhs, &Brhs));  in TSComputeRHSFunctionLinear()
4652   PetscCall(TSRecoverRHSJacobian(ts, Arhs, Brhs));  in TSComputeRHSFunctionLinear()
4653   PetscCall(TSComputeRHSJacobian(ts, t, U, Arhs, Brhs));  in TSComputeRHSFunctionLinear()