CarpetX: a Cactus driver for the Einstein Toolkit based on AMReX
README
Cactus Code Thorn Z4c
Author(s)    : Erik Schnetter 
Maintainer(s): Erik Schnetter 
Licence      : LGPL
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1. Purpose

Solve the Einstein equations in the Z4c formulation

David Hilditch, Sebastiano Bernuzzi, Marcus Thierfelder, Zhoujian Cao,
Wolfgang Tichy, Bernd Brügmann: Compact binary evolutions with the Z4c
formulation, Phys. Rev. D 88, 084057 (2013), DOI:
10.1103/PhysRevD.88.084057, arXiv:1212.2901 [gr-qc].