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CarpetInterp2: New ENO2 interpolator
Issue #1120
closed
The above patch introduces eno2 to CarpetInterp2. It works very similar to the the original Lagrange interpolator. The only difference is that the new interpolator uses a new class fasterp_eno2_src_loc_t instead of the original fasterp_src_loc_t. Similar to what is done in fasterp_src_loc_t, fasterp_eno2_src_loc_t computes the stencil coefficients and stores them. The interpolation algorithm with fasterp_eno2_src_loc_t is adapted for eno2.
I had to introduce templates to recycle the surrounding code in which fasterp_src_loc_t/fasterp_eno2_src_loc_t is used.
The above patch was tested with a 2-patch and a 7-patch system, a shock tube and an excited TOV. The necessary changes to Llama/Interpolate2 are contained in a different patch.
Keyword: CarpetInterp2,
Keyword: eno2
Comments (4)
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Applied by Christian Reisswig as Carpet commit 99611bc "CarpetInterp: New ENO2 interpolator."
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The patch seems relatively harmless; most of the complexity is in the ENO interpolator, which is new, so this patch is unlikely to break existing code. Please apply.