s_autodiff/text/doc_grdchk_flow.tex

\begin{figure}[!ht]

{\scriptsize
\begin{verbatim}

   the_model_main
   |
   |-- ctrl_unpack
   |-- adthe_main_loop            - unperturbed cost function and
   |-- ctrl_pack                    adjoint gradient are computed here
   |
   |-- grdchk_main
       |
       |-- grdchk_init
       |-- do icomp=...           - loop over control vector elements
           |
           |-- grdchk_loc         - determine location of icomp on grid
           |
           |-- grdchk_getxx       - get control vector component from file
           |                        perturb it and write back to file
           |-- grdchk_getadxx     - get gradient component calculated 
           |                        via adjoint
           |-- the_main_loop      - forward run and cost evaluation
           |                        with perturbed control vector element
           |-- calculate ratio of adj. vs. finite difference gradient
           |
           |-- grdchk_setxx       - Reset control vector element
           |
           |-- grdchk_print       - print results

\end{verbatim}
}

\caption{~}
\label{fig:grdchkflow}
\end{figure}
1	jmc	1.2	\begin{figure}[!ht]
2	heimbach	1.1
3			{\scriptsize
4			\begin{verbatim}
5
6			the_model_main
7			\|
8			\|-- ctrl_unpack
9			\|-- adthe_main_loop - unperturbed cost function and
10			\|-- ctrl_pack adjoint gradient are computed here
11			\|
12			\|-- grdchk_main
13			\|
14			\|-- grdchk_init
15			\|-- do icomp=... - loop over control vector elements
16			\|
17			\|-- grdchk_loc - determine location of icomp on grid
18			\|
19			\|-- grdchk_getxx - get control vector component from file
20			\| perturb it and write back to file
21			\|-- grdchk_getadxx - get gradient component calculated
22			\| via adjoint
23			\|-- the_main_loop - forward run and cost evaluation
24			\| with perturbed control vector element
25			\|-- calculate ratio of adj. vs. finite difference gradient
26			\|
27			\|-- grdchk_setxx - Reset control vector element
28			\|
29			\|-- grdchk_print - print results
30
31			\end{verbatim}
32			}
33
34			\caption{~}
35			\label{fig:grdchkflow}
36			\end{figure}