diff options
author | knarf <knarf@17b73243-c579-4c4c-a9d2-2d5706c11dac> | 2010-09-10 13:30:52 +0000 |
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committer | knarf <knarf@17b73243-c579-4c4c-a9d2-2d5706c11dac> | 2010-09-10 13:30:52 +0000 |
commit | fabb98375ffbdfc82aac5a2674a9cd2bdceffc69 (patch) | |
tree | daa46956e306abb595e7731e9949ef4051a0b76a /doc/UsersGuide/ApplicationThorns.tex | |
parent | e0d9b5082427f21539ed96dab5a334716d8d5afe (diff) |
Ian Hinder:
I was confused about the meaning of CCTK_LSSH and discussed it with
Erik, leading to the attached patch to the documentation.
UsersGuide: Clarify meaning of "lssh" grid size
git-svn-id: http://svn.cactuscode.org/flesh/trunk@4634 17b73243-c579-4c4c-a9d2-2d5706c11dac
Diffstat (limited to 'doc/UsersGuide/ApplicationThorns.tex')
-rw-r--r-- | doc/UsersGuide/ApplicationThorns.tex | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/doc/UsersGuide/ApplicationThorns.tex b/doc/UsersGuide/ApplicationThorns.tex index c174c551..c526df49 100644 --- a/doc/UsersGuide/ApplicationThorns.tex +++ b/doc/UsersGuide/ApplicationThorns.tex @@ -1898,7 +1898,8 @@ The Cactus variables which are passed through the macro \item [\texttt{cctk\_dim}] An integer with the number of dimensions used for this grid hierarchy. \item [\texttt{cctk\_lsh}] An array of \texttt{cctk\_dim} integers - with the local grid size on this processor. + with the local grid size on this processor. This is the allocated + size of the array. \item [\texttt{cctk\_gsh}] An array of \texttt{cctk\_dim} integers with the \textit{global} grid size. \item [\texttt{cctk\_iteration}] The current iteration number. @@ -1915,7 +1916,11 @@ CCTK\_REAL}s with the grid spacing in each direction. of the grid. \item [\texttt{cctk\_lssh}] This is an internal array used to hold array extents for staggering. One should use the macro CCTK\_LSSH(,) -to access its elements. +to access its elements. This variable is also used to determine the +extent of the array over which to loop. Usually it is identical to +\texttt{cctk\_lsh}, but if array padding is used (not yet implemented), all +loops should use CCTK\_LSSH(,) to determine the loop indices over which to +loop. \end{Lentry} |