[Users] Reflection symmetry for staggered vector potential

[Jay Vijay Kalinani]

Dear all,

In the GRMHD code Spritz, we define the vector potential components as
staggered grid-functions (defined on cell-edges) within interface.ccl in
the following way:

#Avec_x(i,j+1/2,k+1/2)
real Avec_x type = GF Timelevels=3 tags='tensortypealias="D"
 interpolator="matter" Prolongation="STAGGER011"' "x-component of the
Vector Potential"

#Avec_y(i+1/2,j,k+1/2)
real Avec_y type = GF Timelevels=3 tags='tensortypealias="D"
 interpolator="matter" Prolongation="STAGGER101"' "y-component of the
Vector Potential"

#Avec_z(i+1/2,j+1/2,k)
real Avec_z type = GF Timelevels=3 tags='tensortypealias="D"
 interpolator="matter" Prolongation="STAGGER110"' "z-component of the
Vector Potential"

I was hoping to know if there is support provided within the Einstein
Toolkit (maybe via the ReflectionSymmetry thorn) to use reflection
symmetries (for example, along z=0 plane or even octant symmetry) for such
aforementioned staggered variables.

Any suggestions or insights on this would be very helpful.
Thank you very much in advance.
Cheers,
Jay
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