Cactus Code Thorn GRHydro_Init_Data  
Author(s)    : Luca Baiotti
               Ian Hawke
               Scott Hawley
               Frank Löffler
               Christian David Ott
Maintainer(s): CIGR developers team
Licence      : GPLv2+
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1. Purpose

Provides simple initial data (shock tubes, ...) for the GRHydro code.