GRHydro: Added MP5 reconstruction method. Tested with TOV and shocktube.

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

git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@487 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45

1 files changed, 11 insertions, 0 deletions

diff --git a/param.ccl b/param.ccl
index 9f5c3eb..7074529 100644
--- a/param.ccl
+++ b/param.ccl
@@ -140,6 +140,7 @@ keyword recon_method "Which reconstruction method to use"
   "ppm"  :: "PPM reconstruction"
   "eno"  :: "ENO reconstruction"
   "weno" :: "WENO reconstruction"
+  "mp5"  :: "MP5 reconstruction"
 } "tvd"
 
 keyword method_type "Which type of method to use"
@@ -236,6 +237,16 @@ int ppm_mppm_debug_eigenvalues "write eigenvalues into debug grid variables"
   0:1 :: "0 (off, default) or 1 (on)" 
 } 0
 
+real mp5_alpha "alpha parameter for MP5 reconstruction"
+{
+  0:* :: "positive"
+} 4.0
+
+real mp5_eps "epsilon parameter for MP5 reconstruction"
+{
+  0:* :: "0.0 or very small and positive. 1e-10 is suggested by Suresh&Huynh. TOV star requires 0.0"
+} 0.0
+
 
 boolean use_enhanced_ppm "Use the enhanced ppm reconstruction method proposed by Colella & Sekora 2008 and McCorquodale & Colella 2011" STEERABLE=RECOVER
 {