[MITgcm-cvs] MITgcm/doc CVS Commit

[Martin Losch]

Update of /u/gcmpack/MITgcm/doc
In directory forge:/tmp/cvs-serv1351/doc

Modified Files:
	tag-index 
Log Message:
document the following changes
o pkg/seaice: modify seaice_lsr.F in order to improve the gradient 
  computations; for SEAICE_VECTORIZE_LSR
  - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
    sweep to the outside, 
  - remove store directives and add "CADJ loop sequential" directives
    in analogy to model/src/solve_tridiagonal.F
  - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
    boundaries to yield more readable code. This has also the charming side
    effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without 
    SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in 
    seaice_lsr_tridiagu/v now requires either of these flags, vectorization
    still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
    an additional option)
  The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
  but the adjoint gradients (which are affected by this change) still explode.
  - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
    in lab_sea forward experiment (changes results -> updated)

  - updating adjoint experiment will follow