[ET Trac] [Einstein Toolkit] #1385: add 0th order interpolation to LocalInterp

[Einstein Toolkit]

#1385: add 0th order interpolation to LocalInterp
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 Reporter:  rhaas        |       Owner:  eschnett           
     Type:  enhancement  |      Status:  new                
 Priority:  minor        |   Milestone:                     
Component:  SimFactory   |     Version:  development version
 Keywords:  LocalInterp  |  
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 The attached patch adds 0th order (copy from nearest grid point)
 interpolation to LocalInterp. This can be occasionally useful when using
 the interpolator as a data-mover.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1385>
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