Facilitate Empty Operators (#383)

* Operator - allow empty operators

* Operator - only call backend if nelem > 0

* Operator - add flag for restriction adde

Merge pull request #273 from CEED/p-multigrid

P Multigrid Example

Make tidy

Make style

Assemble Linear Operator Diagonal (#375)

* Operator - Interface for CeedOperatorAssembleyLinearDiagonal

* Operator - Initial AssembleLinearDiagonal

* Tests - Add t533, t534, t535 assemble diag

Assemble Linear Operator Diagonal (#375)

* Operator - Interface for CeedOperatorAssembleyLinearDiagonal

* Operator - Initial AssembleLinearDiagonal

* Tests - Add t533, t534, t535 assemble diag

* Tests - add t536, nontensor operator diag

* AssembleDiag - small changes

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Merge pull request #379 from CEED/jeremy/qf-assemble-workvecs

CPU - Use work vectors for AssembleLinearQF

LCOV - minor updates

Assemble Linear QFunction (#306)

* Operator - add interface for AssembleLinearQF

* Operator - Refactor Ref/Blocked/Opt basis apply

* Operator - Add AssembleLinearQF impl for Ref/Blocked/Opt, n

Assemble Linear QFunction (#306)

* Operator - add interface for AssembleLinearQF

* Operator - Refactor Ref/Blocked/Opt basis apply

* Operator - Add AssembleLinearQF impl for Ref/Blocked/Opt, not impl message for OCCA/CUDA

* AssembleQF - Add grad test and clean up code

* CPU - Add operator eval mode error, remove opt inlineing

* Operator - clarify QF assemble documentation, style updates

* Interface - style and consistency updates

* Tests - add more complex assembled qfunction test

* Tests - add fortran test for assemble linear qfunction

* Tests - Update t53* tests for new Fortran source macro

* Merge - small fixes

* Operator - convert to backend creating assembled qdata vector

* Operator - zero qvecs before using in assembly of qf

* Operator - expand assemble QF documentation

* CPU - minor fix in AssembleLineaorQF to prevent uninitalized memory

* Tests - fix wording in t531, t532

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Merge pull request #373 from CEED/jeremy/op-refcount-fields

Add refcounts for Operator field components

Operator - add refcounts for Operator field components

Merge pull request #361 from CEED/jeremy/typo

Style - minor typo fix

Style - minor typo fix

Codecov Exceptions (#356)

* Tests - Add lcov exceptions to t304-f/t305-f

* Backends - add lcov exceptions for error messages intentionally not tested

* Interface - add lcov exceptions for erro

Codecov Exceptions (#356)

* Tests - Add lcov exceptions to t304-f/t305-f

* Backends - add lcov exceptions for error messages intentionally not tested

* Interface - add lcov exceptions for error messages intentionally not tested

* Tests - additional lcov exceptions

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Add Identity QFunctions (#279)

* QFunction - add initial identity qfunction

* Identity - preformance optimization and add ctx memory free

* QFunction - Improve documentation and clean up destr

Add Identity QFunctions (#279)

* QFunction - add initial identity qfunction

* Identity - preformance optimization and add ctx memory free

* QFunction - Improve documentation and clean up destroy

* Doc - Improve identity QF and Operator documentation

* Gallery - doc and typo fixes

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Merge pull request #348 from CEED/jed/operator-validate-input

CeedOperatorSetField: validate that each input is non-NULL

CeedOperatorSetField: validate that each input is non-NULL

It's easy to accidentally pass uninitialized objects and leads to far
more confusing errors later.

QFunction Create by Name (#311)

This PR adds a QFunction gallery to libCEED with 1D, 2D, and 3D mass and Poisson operators.

Closes issue #37, issue #340

* Add QFunction gallery, rename focca

QFunction Create by Name (#311)

This PR adds a QFunction gallery to libCEED with 1D, 2D, and 3D mass and Poisson operators.

Closes issue #37, issue #340

* Add QFunction gallery, rename focca

* Gallery - add initial QFunctions

* Add a test for using the QF gallery

* Modify ex1 to use gallery

* Add multiple test configs to tap

* Move output to test directory

* Update junit

* Add OCCA galley exception

* Add ex2

* Update ex2 for dim->ncompx

* Gallery - modify to work for CUDA as is

* Update Documentation

* Gallery - typo fix

* Gallery - convention change, postappend qfunction family variant

* Gallery - update template with new name checking convention

* Gallery - condense diff3DBuild QFunction

* Gallery - rename diff -> poisson

* Gallery - clarify poisson3DBuild comment

* Gallery - use Pragma SIMD, store Qdata in Voigt convention

* Examples - Convert BP3-6 to Voigt convention

* Examples - add cl option to switch between header and gallery qfs in CEED examples

* Examples - clean up construction of QF name

* Gallery - Switch to PascalCase for gallery names

* Doc - fix function type page

* Interface - Make sure strncpy result is null terminated

* Gallery - Update Poisson 2/3D Apply to new QF body

* make style

* make style - fix worst style problems

* make style - add gallery to make style

* Doc - update documentation errors and inconsistencies

* Examples - test ex1 ex2 with and without gallary

* Examples - reduce testing of ex1/ex2 without gallery, clean up non-gallery qfunctions

* MFEM - revert another make style mistake

* Manual make style updates

* Doc - update function documentation page

* Style updates, document test numbering conventions

* doc: resolve ambiguous image location warning, allow more Dot nodes

* Tests - style and cast cleanup

* Tests - fix README indentation

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Merge pull request #314 from CEED/jeremy/dof-to-node

Update DoF to Node and Style Changes

Rename NDoF to NNodes and style updates

Documentation Typo Fixes (#321)

* Basis - fix typo in doc

* Ceed - fix typo in doc

* Operator - fix typo in doc

* QFunction - fix typo in doc

* Ceed.h - fix typos in doc

* Ref - fix t

Documentation Typo Fixes (#321)

* Basis - fix typo in doc

* Ceed - fix typo in doc

* Operator - fix typo in doc

* QFunction - fix typo in doc

* Ceed.h - fix typos in doc

* Ref - fix typos in doc

* Blocked - fix typos in doc

* READMEs - typo fixes

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Merge pull request #239 from CEED/decorator

Add delegates for specific objects

Add delegates for specific objects

Operator Composition (#197)

* Composite Operator for cpu/self family of backends

* Remove small leak

* Improve C tests

* Add composite operator to Fortran interface and tests

* Fix Fortr

Operator Composition (#197)

* Composite Operator for cpu/self family of backends

* Remove small leak

* Improve C tests

* Add composite operator to Fortran interface and tests

* Fix Fortran test missing destroys

* Fortran test okl files, currently not used

* fix error in composite ' add' flag logic

* Switch composite op tests to f90

* Check for operator type on utility functions

* Documentation and test cleanup

* Make Style

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Merge pull request #172 from CEED/setters

Setters

Improve operator field frees