[ET Trac] [Einstein Toolkit] #1893: Compile error in Carpet when CCTK_REAL is single

[Einstein Toolkit]

#1893: Compile error in Carpet when CCTK_REAL is single
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 Reporter:  koppel@…            |       Owner:                     
     Type:  defect              |      Status:  new                
 Priority:  unset               |   Milestone:                     
Component:  Other               |     Version:  development version
 Keywords:                      |  
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 When Cactus is configured with REAL_PRECISION = 4 there is a compile error
 in CarpetLib due to a hardcoded double type. The attached patch fixes the
 problem.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1893>
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