[ET Trac] [Einstein Toolkit] #1377: GRHydro_Bondi.c and GRHydro_BondiM.c use M_PI

[Einstein Toolkit]

#1377: GRHydro_Bondi.c and GRHydro_BondiM.c use M_PI
-----------------------------------+----------------------------------------
 Reporter:  sbrandt                |       Owner:                     
     Type:  defect                 |      Status:  new                
 Priority:  minor                  |   Milestone:                     
Component:  EinsteinToolkit thorn  |     Version:  development version
 Keywords:  GRHydro M_PI           |  
-----------------------------------+----------------------------------------
 GRHydro_Bondi.c and GRHydro_BondiM.c use M_PI. This was a problem on
 Tianhe-1A. I'd suggest adding the following to both files:

 #ifndef M_PI
 #define M_PI 3.141592653589793
 #endif

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1377>
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