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* GRHydro: add grid function for sqrt(detg)rhaas2013-07-06
| | | | | | | | | | * add new 1 tl grid function sdetg that stores the sqrt of the determinent of the 3-metric. * replace lots of re-computation of det by use of this grid function From: Christian Ott <cott@bethe.tapir.caltech.edu> git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@555 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45
* GRHydro: Add basic vector potential supportrhaas2013-01-14
Basic cell-centered, algebraic gauge vector potential method with place-holders for lorenz gauge. Initial Avec constrained to poloidal at the moment. From: Tanja Bode <tanja.bode@physics.gatech.edu> git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinEvolve/GRHydro/trunk@456 c83d129a-5a75-4d5a-9c4d-ed3a5855bf45