[ET Trac] [Einstein Toolkit] #755: Provide better support for implementing boundary conditions

[Einstein Toolkit]

#755: Provide better support for implementing boundary conditions
--------------------------+-------------------------------------------------
  Reporter:  hinder       |       Owner:        
      Type:  enhancement  |      Status:  review
  Priority:  major        |   Milestone:        
 Component:  Cactus       |     Version:        
Resolution:               |    Keywords:        
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Changes (by eschnett):

  * status:  new => review


Comment:

 The macro looping over boundaries currently looks like
 {{{
 CCTK_LOOP3_BOUNDARIES(name, cctkGH,
                               i,j,k,
                               iblo,jblo,kblo,
                               ibhi,jbhi,kbhi)
 }}}
 I suggest to remove the explicit specification of the *lo and *hi
 arguments, and instead obtain these from thorn CoordBase. A second,
 "internal" macro would continue to provide the current functionality. This
 would be done for loops over the interior as well.

 The new macros would then look like
 {{{
 CCTK_LOOP3_INTERIOR(name, cctkGH, i,j,k)
 CCTK_LOOP3_BOUNDARIES(name, cctkGH, i,j,k)
 }}}
 and
 {{{
 CCTK_LOOP3_BOUNDARIES_DIRECT(name, cctkGH,
                               i,j,k,
                               iblo,jblo,kblo,
                               ibhi,jbhi,kbhi)
 }}}
 and equivalently for the interior.

-- 
Ticket URL: <https://trac.einsteintoolkit.org/ticket/755#comment:4>
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