rust/libceed-sys: add README.md and include it as crate docs

rust: drop lib.name field, which is automatic

The explicit lib section without explicit path was breaking
cargo-readme.

rust/libceed-sys: avoid rebuilding due to missing config.mk

This preserves the development mode in which you can put flags in
c-src/config.mk and have them used in your build.

rust: fix repository path

rust: pin versions as required by crates.io

rust: fix license identifiers (https://spdx.org/licenses/)

rust: update docs and add working version check tests

rust - add symlink to common.mk to fix makefile

rust - fix Rust doc deployment action for new crate structure

rust - initial documentation of libceed-sys

rust: fix libceed-sys packaging

rust - add include folders for libceed-sys

rust - add more information to Cargo.tomls

rust - cargo fmt

rust - clean up workspace split

rust: split crates into libceed-sys and libceed

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

rust - add vector convenience methods

libCEED 0.8

Install install backend headers under include/ceed/

This makes it possible to distribute source plugins that provide
additional backends. It's also used in MFEM, perhaps temporarily.

Deprecate ceed

Install install backend headers under include/ceed/

This makes it possible to distribute source plugins that provide
additional backends. It's also used in MFEM, perhaps temporarily.

Deprecate ceed-backend.h, which was not previously installed, but some
users accessed it from an in-place build.

Also install CUDA and HIP headers that allow users to provide CUfunction
and hipFunction_t.

Co-authored-by: Jeremy L. Thompson <jeremy.thompson@colorado.edu>
Requested-by: Andrew T. Barker <barker29@llnl.gov>

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Error Handling Improvement [fix #696] (#691)

* Operator - add operator/qfunction field compatibility checks

* QFunction - do not allow adding fields to QFunction in use with an operator

* Exam

Error Handling Improvement [fix #696] (#691)

* Operator - add operator/qfunction field compatibility checks

* QFunction - do not allow adding fields to QFunction in use with an operator

* Examples - add some extra exclusion markers in ceed example

* error - add error enum

* error - update error enum names and numbering

* error - use CEED_ERROR_BACKEND in all backend errors

* error - begin classifying interface errors

* error - update backends to use CEED_ERROR_SUCCESS and CeedChkBackend

* error - use new errors in gallery

* error - add some unsaved modifications

* error - improve documentation

* error - define CEED_ERROR_SUCCESS in GPU JiT; we really should have a common header to pipe defines to the JiT code

* error - more error code editing

* error - fix error string

* operator - fix setting field qpts

* basis - add input/output dimension error checking

* python - move basis utility methods to ceed object, no basis required or used

* python - force exit with negative error code

* make style-py

* rust - initial work to add error handling logic

* rust - add ceed.resource method

* rust - add results for methods that may fail

* rust - also format doctests

* minor - drop unused CeedChk()

* error - rename terminal/nonterminal to major/minor

* rust - set ErrorStore as default errorhandler

* python - revert error handing change for python

* python - use success error code from C bindings

* error - only upgrade error code in backend if positive

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Rust - add examples (#683)

* Rust - initial version of ex1

Example - move closure

Co-authored-by: Jed Brown <jed@jedbrown.org>

typo fix

Co-authored-by: Jed Brown <jed@jedbrown.org>

mi

Rust - add examples (#683)

* Rust - initial version of ex1

Example - move closure

Co-authored-by: Jed Brown <jed@jedbrown.org>

typo fix

Co-authored-by: Jed Brown <jed@jedbrown.org>

minor tidying

order -> degree

drop operator applicaiton messages

* rust: make top-level workspace and use libceed from path

This allows a single "cargo test" from the top level.

* rust: add version-sync (to help us remember when we publish a crate)

* examples - consistency update

* Rust - add Cargo.lock to top level gitignore

* rust - refactor example to add tests

* Rust - test and style from workspace

* Rust - update year in header

* Rust - add error values to Error, switch to String

* Rust - add input validation in check

* Rust - format volume output in example

* Rust - update example help output

* Rust - example tests rename to simplify

* Rust - split example 1 into 3 parts

* rust: std::sync::Once for CeedRegisterAll()

* Promote CeedRegisterAll() and CeedQFunctionRegisterAll() to User
* Guard calls to CeedInit() to avoid races in parallel testing

* Examples - update rust example to new builder syntax

* Examples - add rust ex2

* Rust - add CEED_STRIDES_BACKEND

* Examples - drop unused restriction in ceed ex2

* Rust - minor documentation update

* Rust - adopt convention of 'dimension-like' values all using usize; reduces casting

* Actions - add Rust code coverage

* Rust - fix usize conversion

* Rust - update casting between i32(C interface) and usize(Rust interface)

* Actions - include Rust doctests

* Actions - Rust doctest coverange only avaliable in nightly

* Rust - drop explict typing of values passed to C get* functions

* Rust - modify version numbers tests, cargo-tarpaulin and cargo have different calling paths in tests

* cargo fmt

* Examples - add separate Rust example quiet mode

* Actions - rustfmt not always avaliable on nightly

* Rust - simplify version tests

* Actions - add a few notes

* CodeCov - try adding gallery to 'fixes'

* CodeCov - drop some codecov noise in examples

* Examples - test all combinations in ex1/ex2

* Rust - test 3d examples without quiet flag

* Actions - use gcc-10 for compatibility in gcov reports

* Examples - test gallery in 1/2/3d in Rust ex

* Gitlab - also report gcov version

* JUnit - adjust indentation

* Gitlab - make it easier to find complier info in logs

* Tests - fix minor styling strangeness in t002

* Actions - only upload rust coverage

* Actions - exclude non-rust files from rust coverage

* Cov - exclude weak symbols code, not useful cov info

* Examples - clean up options creation for tests in Rust examples

* Examples - simplify tolerance for testing Rust examples

* cargo fmt

* Examples - another match

* Examples - common Rust example code in shared local crate

Co-authored-by: Jed Brown <jed@jedbrown.org>

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Rust - drop get_/set_/add_ syntax (#686)

* Rust - drop get_ syntax

* Rust - drop set_ and add_ syntax

* Rust - add builder pattern for operators

* Rust - add builder for composite operator

Rust - drop get_/set_/add_ syntax (#686)

* Rust - drop get_ syntax

* Rust - drop set_ and add_ syntax

* Rust - add builder pattern for operators

* Rust - add builder for composite operator

* Rust - demonstrate operator build and apply chaining

* Rust - simplify build function for operators

* Rust - builder for QFunctions

* Rust - drop lifelines in builder

* Rust - switch to consuming builder; bug in boxed closure reference is back now

* Rust - fix input/output bug for QFunctions

* rust: use Pin for QFunction context/trampoline data

This data is passed back from C and needs to be stable even where the
QFunction object can be moved.

* rust: manual drop unnecessary because field is an owned member

* rust: clean up sum in doctests

* Rust - more style updates

Co-authored-by: Jed Brown <jed@jedbrown.org>

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Rust - use enum values from bindgen

rust: clean up doctests for capitalization lints

rust: build/install libceed to OUT_DIR and update docs

* add feature `static`
* add feature `system`
* use pkg-config crate to identify how to link (static or dynamic)
* document how to use from an

rust: build/install libceed to OUT_DIR and update docs

* add feature `static`
* add feature `system`
* use pkg-config crate to identify how to link (static or dynamic)
* document how to use from an external project
* LD_LIBRARY_PATH no longer needed for CI

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