46   Vec          tmp1;  member
268   PetscCall(VecDuplicate(user->data, &user->tmp1));  in CreateCtx()
284   PetscCall(VecDestroy(&user->tmp1));  in DestroyCtx()
298   PetscCall(MatMult(user->mass, u, user->tmp1));  in ReducedFunctionGradient()
299   PetscCall(VecDot(u, user->tmp1, &inner)); /* regularisation contribution to */  in ReducedFunctionGradient()
303   PetscCall(VecAXPY(g, alpha, user->tmp1)); /* regularisation contribution to the gradient */  in ReducedFunctionGradient()
306 …PetscCall(VecSetValues(user->tmp1, user->num_bc_dofs, user->bc_indices, user->bc_values, INSERT_VA…  in ReducedFunctionGradient()
307   PetscCall(VecAssemblyBegin(user->tmp1));  in ReducedFunctionGradient()
308   PetscCall(VecAssemblyEnd(user->tmp1));  in ReducedFunctionGradient()
309   PetscCall(KSPSolve(user->ksp_laplace, user->tmp1, user->state)); /* forward solve */  in ReducedFunctionGradient()
312   PetscCall(VecCopy(user->state, user->tmp1));  in ReducedFunctionGradient()
313   PetscCall(VecAXPY(user->tmp1, -1.0, user->data));  in ReducedFunctionGradient()
314   PetscCall(MatMult(user->mass, user->tmp1, user->tmp2));  in ReducedFunctionGradient()
315   PetscCall(VecDot(user->tmp1, user->tmp2, &inner)); /* misfit contribution to */  in ReducedFunctionGradient()
324   PetscCall(MatMult(user->mass, user->adjoint, user->tmp1));  in ReducedFunctionGradient()
325   PetscCall(VecAXPY(g, 1.0, user->tmp1)); /* adjoint contribution to the gradient */  in ReducedFunctionGradient()