Fix source location for methods moved from internal to backend

Handle case where a CeedBasis does not have an associated CeedTensorContract object

Revise previous approach to work with levels of operator fallback and delegation (for AVX and XSMM backends)

Use backend tensor contraction for CPU-based operator full assembly in place of naiive matrix-matrix multiplication implementation

ctx - update CeedContextFieldLabelGetDescription with offset

Fix definition locations for CeedOperatorGetFallback* methods which are part of the backend API

Remove unused parameter from CeedTensorContractCreate

docs: Clarify QFunction source compatability

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

minor - drop codecov marker in favor of mino test change

ceed - add missing docstring

qf - add codecov exclusion marker

jit - clarify relative/absolute path functions

op - clarify op property setting logic for new fields

op - remove CeedOperatorSetNumQuadraturePoints

ctx - only update in CeedQFunctionContextSet* when data is different

Fix regression in multiple active bases diagonal assembly

In particular, diagonal assembly of operators with different numbers of active input and output bases is supported, where the diagonal contr

Fix regression in multiple active bases diagonal assembly

In particular, diagonal assembly of operators with different numbers of active input and output bases is supported, where the diagonal contribution comes from matching pairs of input and output bases.

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Avoid potentially very large stack allocation with VLA for CPU-based full assembly

Merge pull request #1340 from CEED/jeremy/fix-ptsc-orients-copy

Fix CEED_COPY_VALUES for ref rstr at points

rstr - change categorization of GetNumPoints

Co-authored-by: James Wright <james@jameswright.xyz>

Non-square operator full assembly (#1316)

* Consistency formatting for operator tests

* Add (failing) test for non-square operator full assembly

* Add support for CPU-based full assembly of no

Non-square operator full assembly (#1316)

* Consistency formatting for operator tests

* Add (failing) test for non-square operator full assembly

* Add support for CPU-based full assembly of non-square CeedOperators

* Fix full assembly of identity quadrature functions and operators with CEED_BASIS_NONE

Also adds a unit test for full assembly which fails prior to the changes in this commit.

* Minor refactor to improve coverage

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Merge pull request #1339 from CEED/jeremy/spelling

Spelling is hard

Support CPU shared-memory parallelism with OpenMP (#1279)

* Updates for OpenMP thread safety (one Ceed per thread, potentially with shared output vector)

* Makefile tabs vs. spaces consistency

Support CPU shared-memory parallelism with OpenMP (#1279)

* Updates for OpenMP thread safety (one Ceed per thread, potentially with shared output vector)

* Makefile tabs vs. spaces consistency

* Fix unrelated pragma bug for Intel compilers in `backend.h`

* Address PR feedback: Use _OPENMP macro, simplify OpenMP pragma wrappers

* Address PR feedback: Add new statement macro CeedPragmaThreadPrivate to PREDEFINED entries in Doxyfile

* Add OpenMP support to Intel CI workflow for testing

* Add documentation for OPENMP option and Update releasenotes.md

* Revise OpenMP implementation: Rather than enforcing global variables to be threadprivate, just wrap potential race conditions in a critical block (during registration)

* Avoid returning from OpenMP blocks

* Early break on error when registering backends or QFunctions

* Formatting fixes after rebase, newline after variable declarations

* Address PR feedback: Revert some unintentional changes to debug output

* Update codecov exclusions

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rstr - fix CEED_COPY_VALUES for ref rstr at points

minor - spelling is hard

rstr - add tests for AtPoints