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authorjthorn <jthorn@f88db872-0e4f-0410-b76b-b9085cfa78c5>2002-10-03 20:53:09 +0000
committerjthorn <jthorn@f88db872-0e4f-0410-b76b-b9085cfa78c5>2002-10-03 20:53:09 +0000
commit51ccf61c5303ce960575a6a7f2e55a3f61e0645d (patch)
tree57967e786dcce87416204b47a5ba2379a2578c94 /doc
parent7caea0fa2a50f7407490005a7ba5387c9474d9bb (diff)
we now (in theory, not tested yet) support
the CactusEinstein/StaticConformal conformal metric also add more discussion of C++ code portability (stil needs updating for Peters experiences compiling on various machines) git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinAnalysis/AHFinderDirect/trunk@788 f88db872-0e4f-0410-b76b-b9085cfa78c5
Diffstat (limited to 'doc')
-rw-r--r--doc/TODO2
-rw-r--r--doc/documentation.tex43
2 files changed, 32 insertions, 13 deletions
diff --git a/doc/TODO b/doc/TODO
index 08ab187..16b8704 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -1,9 +1,9 @@
small things
set centroid variables for drift correction
??larger max_Newton_iterations for initial data than for time evolution??
+ do we work properly with fisheye?
medium things
- support CactusEinstein conformal_state et al
HDF5 data files
move origin point
export a "compute h(theta,phi)" function
diff --git a/doc/documentation.tex b/doc/documentation.tex
index f87906e..0774358 100644
--- a/doc/documentation.tex
+++ b/doc/documentation.tex
@@ -165,10 +165,9 @@ solving~\eqref{AEIDevelopment_AHFinderDirect_eqn-horizon}. It requires
as input the usual Cactus 3-metric $g_\ij$ and extrinsic curvature
$K_\ij$,%%%
\footnote{%%%
- At present \thorn{AHFinderDirect} doesn't
- support the \arrangement{CactusEinstein}
- {\tt conformal\_state} system, but this
- should change soon.
+ And the conformal factor $\psi$ if the
+ \thorn{StaticConformal} metric semantics
+ are used.
}%%%
{} and produces as output the Cactus $(x,y,z)$ coordinates of a large
number of points on the apparent horizon, together with some auxiliary
@@ -255,17 +254,37 @@ arrangement.
This thorn is written primarily in \Cplusplus{}, calling C and
Fortran~77 numerical libraries. The code should be fairly portable to
-modern \Cplusplus{} compilers. Templates are used, but only rather
-simple ones for containers or other low-level stuff templated on
-the floating-point or integer datatype, and these templates are always
-instantiated explicitly. \code{bool}, \code{mutable}, and \code{typename}
-are used, but (at the cost of a slight obfuscation) the code has been
-written to be agnostic with regard to modern versus archaic
-\code{for}-loop declaration scope rules.
+modern \Cplusplus{} compilers. As to specific \Cplusplus{} features\dots
+\begin{itemize}
+\item Templates are used, but only rather simple ones for containers
+ or other low-level stuff templated on the floating-point or
+ integer datatype, and these templates are always instantiated
+ explicitly.
+\item \code{bool}, \code{mutable}, and \code{typename}]
+ are used.
+\item The code will work ok under either the archaic or the modern
+ \code{for}-loop declaration scope rules.
+\item C header files are used in the pre-namespaces form
+ \begin{verbatim}
+ #include <stdio.h>
+ int main()
+ {
+ printf("hello, world\n");
+ return 0;
+ }
+ \end{verbatim}
+ This is deprecated in standard \Cplusplus{}, but alas
+ none of the more modern forms using the \code{std::} namespace
+ seem to be supported on as wide a range of systems as the
+ pre-namespaces forms.
+\item \code{vector} is the only part of the C++ standard template library
+ (STL) used, and for the same reasons as above, it's used in the
+ pre-namespaces \verb|<vector.h>| form.
+\end{itemize}
The code has been compiled and run successfully using
\begin{itemize}
-\item various {\bf gcc} versions (2.95.2 and later) versions
+\item various {\bf gcc} versions (2.95.2, 2.95.3, and 3.2) versions
on x86 GNU/Linux and *BSD
\item Intel C++ compiler for GNU/Linux, version 5.0
\end{itemize}