diff options
author | jthorn <jthorn@df1f8a13-aa1d-4dd4-9681-27ded5b42416> | 2003-04-15 17:12:59 +0000 |
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committer | jthorn <jthorn@df1f8a13-aa1d-4dd4-9681-27ded5b42416> | 2003-04-15 17:12:59 +0000 |
commit | 96309eb56861333d6e3111c5a3cb54c9426a1d61 (patch) | |
tree | 4ce9825883ea56e3a4f16bd910974de4a4c48044 /src/GeneralizedPolynomial-Uniform/Lagrange-tensor-product/README | |
parent | 5a8da73fce7752d0e3ee52fe8fb1149009b3305c (diff) |
new machine-generated coefficient files for this interpolator
(with Lagrange now split into tensor-product and maximum-degree
interpolators)
git-svn-id: http://svn.cactuscode.org/arrangements/CactusBase/LocalInterp/trunk@144 df1f8a13-aa1d-4dd4-9681-27ded5b42416
Diffstat (limited to 'src/GeneralizedPolynomial-Uniform/Lagrange-tensor-product/README')
-rw-r--r-- | src/GeneralizedPolynomial-Uniform/Lagrange-tensor-product/README | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/GeneralizedPolynomial-Uniform/Lagrange-tensor-product/README b/src/GeneralizedPolynomial-Uniform/Lagrange-tensor-product/README new file mode 100644 index 0000000..1fd04dd --- /dev/null +++ b/src/GeneralizedPolynomial-Uniform/Lagrange-tensor-product/README @@ -0,0 +1,62 @@ +$Header$ + +This directory contains code for Lagrange polynomial interpolation, +using the tensor-product definition for multiple dimensions. + +makefile + This has targets to create the subdirectories for the + Maple-generated coefficient files, and to run Maple to + generated those files. + +make.code.defn + This tells the Cactus build system which files to compile. + +[123]d.maple + These files contain the Maple code to generate the interpolation + coefficients. + +fns.maple + These files define the interpolation functions, coefficients, etc, + for the Maple code in [123]d.maple + +[123]d.cube.order?.smooth?.c + These files are the individual cases for the interpolation. + Each file defines a separate function. Each file just #defines + a bunch of macros, then #includes "../template.c" to get the + actual interpolation code. Unfortunately, the ISO C standard + only guarantees 31 characters for function names (in fact, it + doesn't even guarantee that for external names -- they may be + limited by a system linker -- but I quietly ignore that and + assume I can use 31), so the functions are named in a somewhat + cryptic manner: + 123456789 123456789 123456789 1 + LocalInterp_U_LagrTP_1dcube_10 + LocalInterp_U_LagrTP_1dcube_20 + LocalInterp_U_LagrTP_1dcube_30 + LocalInterp_U_LagrTP_1dcube_40 + LocalInterp_U_LagrTP_1dcube_50 + LocalInterp_U_LagrTP_1dcube_60 + LocalInterp_U_LagrTP_2dcube_10 + LocalInterp_U_LagrTP_2dcube_20 + LocalInterp_U_LagrTP_2dcube_30 + LocalInterp_U_LagrTP_2dcube_40 + LocalInterp_U_LagrTP_3dcube_10 + LocalInterp_U_LagrTP_3dcube_20 + LocalInterp_U_LagrTP_3dcube_30 + LocalInterp_U_LagrTP_3dcube_40 + The naming convention is as follows (eg for the last function) + LocalInterp name of this thorn + U these functions are all for the + CCTK_InterpLocalUniform() API + Lagr_TP these functions are all for the + "Lagrange polynomial interpolation (tensor product)" + interpolation operator + 3d this function does 3-d interpolation + cube this function uses a cube-shaped + interpolation molecule + 4 this function does 4th order interpolation + 0 this function does smoothing=0 interpolation + +all_prototypes.h + This file contains C prototypes for each of the functions + in [123]d.cube.order?.smooth0.c. |