Merge pull request #1643 from CEED/jeremy/less-rstr

Minor performance improvement for op with repeat input rstr

op - minor performance improvement for op with repeat input rstr

Merge pull request #1642 from CEED/jeremy/zero-qvec

atpoints - fix diagonal bug with stale qvec data

atpoints - remove some extra operations

atpoints - fix diagonal bug with stale qvec data

Merge pull request #1641 from CEED/jeremy/fix-at-points-diag

Fix diagonal assembly for mixed operators AtPoints

atPoints - fix diagonal assembly for mixed

Merge pull request #1630 from CEED/jeremy/more-promotion

rstr - cast explicitly to avoid size issues

op - cast to CeedSize when creating rstr

Merge pull request #1624 from CEED/jeremy/tidy-extra

Drop unused variables in ref

ref - drop unused variables in OpAtPoints

Merge pull request #1596 from CEED/jeremy/at-points-numelem

ApplyAtPoints should take number of elem

basis - ApplyAtPoints should take number of elem

Merge pull request #1591 from CEED/jeremy/ref-clean-access

Clean up QF assembly memory access

style - num_active_* => qf_size_*

cpu - clean up QF assembly memory access

Merge pull request #1582 from CEED/zach/fix-point-diagonal-assembly

Fix bug in diagonal assembly for point operators

Update backends/ref/ceed-ref-operator.c

Co-authored-by: Jeremy L Thompson <jeremy@jeremylt.org>

Fix bug in diagonal assembly for point operators

Merge pull request #1578 from CEED/jeremy/restriction-points-gpu

GPU Restriction AtPoints

tidy - minor fix of unititalized value warning

rstr - minor naming fix

rstr - allow backends to add padding to AtPoints E-vec

Merge pull request #1565 from CEED/jeremy/diagonal-at-points

Add Diagonal Assembly for AtPoints

cpu - add AssembleAddDiagonal for AtPoints Operator