GRHydro: Implemented WENO5. Tested with a shock tube.

From: Christian Reisswig <reisswig@scriwalker.(none)>

git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@465 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45

1 files changed, 14 insertions, 3 deletions

diff --git a/param.ccl b/param.ccl
index 6eb77df..540f45d 100644
--- a/param.ccl
+++ b/param.ccl
@@ -133,9 +133,10 @@ CCTK_INT GRHydro_MaxNumSandRVars "The maximum number of save and restore variabl
 
 keyword recon_method "Which reconstruction method to use"
 {
-  "tvd"	:: "Slope limited TVD"
-  "ppm" :: "PPM reconstruction"
-  "eno" :: "ENO reconstruction"
+  "tvd"	 :: "Slope limited TVD"
+  "ppm"  :: "PPM reconstruction"
+  "eno"  :: "ENO reconstruction"
+  "weno" :: "WENO reconstruction"
 } "tvd"
 
 keyword method_type "Which type of method to use"
@@ -256,6 +257,16 @@ int eno_order "The order of accuracy of the ENO reconstruction"
   1:*		:: "Anything above 1, but above 5 is pointless"
 } 2
 
+int WENO_order "The order of accuracy of the WENO reconstruction"
+{
+  5  :: "Fifth-order"
+} 5
+
+real weno_eps "WENO epsilon parameter"
+{
+  0:*  :: "small and positive"
+} 1e-6
+
 keyword riemann_solver "Which Riemann solver to use"
 {
   "Roe"		:: "Standard Roe solver"