Merge pull request #1586 from CEED/jeremy/gpu-points-rstr-fix

rstr - transpose AtPoints restriction fixes

ci - use Ubuntu 2404

Merge pull request #1489 from CEED/jeremy/actions-version

ci - update action versions

ci - update action versions

Merge pull request #1166 from CEED/jeremy/ci-fork

Run Actions or push to main or PR

ci - run Actions or push to main or PR

Merge pull request #1079 from CEED/jeremy/rust-actions

Update action versions

ci - update rust doc action

CI MacOS 12 Update (#1077)

* ci - update to newer gcc

* ci - update gfortran in style job

* CI - use Ubuntu 22.04

* CI - ubuntu 22.04

* CI - newer Ubuntu for ICC CI

* CI - newer Ubunt

CI MacOS 12 Update (#1077)

* ci - update to newer gcc

* ci - update gfortran in style job

* CI - use Ubuntu 22.04

* CI - ubuntu 22.04

* CI - newer Ubuntu for ICC CI

* CI - newer Ubuntu for hardware emulation CI

* CI - keep older emulation images

* ci - ubuntu 22.04 for Julia CI

* ci - ubuntu 22.04 for Julia CI

* ci - ubuntu 22.04 for Python ci

* ci - ubuntu 22.04 for release notes ci check

* ci - ubuntu 22.04 for rust ci

* ci - ubuntu 22.04 for rust ci

* ci - newer run-on-arch action

* ci - pin macos-12

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Merge pull request #772 from CEED/jeremy/rust-doc

doc - use docs.rs over self hosted documentation

doc - use docs.rs over self hosted documentation

Merge pull request #766 from CEED/jed/rust-crates

rust: split crates into libceed-sys and libceed

rust - fix Rust doc deployment action for new crate structure

Actions - Rust workspace moved target dir for Rust docs (#694)

* Actions - Rust workspace moved target dir for Rust docs

* Examples - drop unused dep in common Rust example code crate

* Exampl

Actions - Rust workspace moved target dir for Rust docs (#694)

* Actions - Rust workspace moved target dir for Rust docs

* Examples - drop unused dep in common Rust example code crate

* Examples - restore accidentally missed lines

* Examples - ignore structopt testing in Rust examples

* Examples - also exclude main driver from tests in Rust ex

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Merge pull request #671 from CEED/origin/jed/ci-github-ubuntu-20.04

CI: move GitHub Actions to ubuntu 20.04

github: move workflows to 20.04 from ubuntu-latest

Rust interface (#602)

* WIP - first rust files for bindgen

* WIP - more boilerplate, closer to building

* WIP - bindgen builds

* WIP - add Rust job to Travis

* WIP - fix malformed Travis

Rust interface (#602)

* WIP - first rust files for bindgen

* WIP - more boilerplate, closer to building

* WIP - bindgen builds

* WIP - add Rust job to Travis

* WIP - fix malformed Travis yml

* WIP - set Travis to most recent Rust

* WIP - fix include path

* WIP - update travis to specify install/after_success stages

* WIP - add cargo test to Travis job

* WIP - fix linking, for now

* WIP - rust is hard

* Ctx - update notes for Fortran usage

* WIP - small updates

* Fortran - drop unneeded cast

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

* WIP - more tweaks

* basic skeleton.

* some cleaning.

* Drop the ceed module.

* Move the modules.

* fix mods in vector

* Rewrite vector constructor.

* Scope more precisely unsafe.

* Rename rust_ceed to bind_ceed

* Simplify Vector

* Simplifications

* Add code for ElemRestriction

* Add basis create

* Add create for operator.

* minor

* Interface - use void* for SetData interfaces

* Make - use call quiet for NVCC

* Interface - use void* for GetData interfaces

* WIP - first rust files for bindgen

* WIP - more boilerplate, closer to building

* WIP - bindgen builds

* WIP - add Rust job to Travis

* WIP - fix malformed Travis yml

* WIP - set Travis to most recent Rust

* WIP - fix include path

* WIP - update travis to specify install/after_success stages

* WIP - add cargo test to Travis job

* WIP - fix linking, for now

* WIP - rust is hard

* WIP - small updates

* WIP - more tweaks

* basic skeleton.

* some cleaning.

* Drop the ceed module.

* Move the modules.

* fix mods in vector

* Rewrite vector constructor.

* Scope more precisely unsafe.

* Rename rust_ceed to bind_ceed

* Simplify Vector

* Simplifications

* Add code for ElemRestriction

* Add basis create

* Add create for operator.

* minor

* WIP - add doctest for vector constructor

* rust: cargo fmt

* Add some functions to vector

* Fix rust enum C enum correspondance.

* Add create_tensor_H1_Lagrange

* Add create_H1 in Basis.

* Add basis functions to Ceed.

* rust: use std::ptr::null_mut instead of malloc to get a mutable pointer

* Add apply to Basis.

* WIP - documentation for basis_tensor_H1_Lagrange

* Add accessors and destructor to Basis.

* WIP - more documentation

* WIP - cargo fmt

* WIP - more tests

* Move TransposeMode in lib.rs

* Add constructors and apply to elem_restriction.rs

* WIP - remove extra whitespace

* Add accessors and destructor to ElemRestriction.

* WIP - add some more destructors and such

* WIP - add context constructor to ceed

* WIP - document sync

* make Basis ptr pub.

* make ElemRestriction ptr pub.

* add functions to Operator.

* Add other functions to Operator.

* WIP - add set_array

* WIP - put enums in lib.rs

* rust: use usize for lengths instead of i32

This offers better interop with other Rust libraries. Rust is safer
for avoiding overflow/unsigned bugs.

* rust: create vectors from slices

* WIP - add len

* WIP - hide ceed init in doctest

* WIP - add default init for testing

* WIP - switch set_array to ndarray

* WIP - add get_array/restore_array

* WIP - add get/restore_array_read

* WIP - add basis test code

* WIP - add some elemrestriction testing

* WIP - add basis apply test

* WIP - add display for ceed, vec, rstr, basis

* WIP - use core object for shared functionality for qf/op variants

* WIP - style consistency

* WIP - drop blocked restrictions for now

* WIP - minor style

* WIP - add copyright stuff

* WIP - more documentation stubs

* rust: Vector: use views (coercing to slices) as alternative to unsafe get/restore array

* rust: silence some warnings

* cargo fmt

* close code block

* add constants

* collapse qfunctions back to one class, but still need to find a way to keep users from adding fields/context to by_name qfs

* add viewing of operator tests, shows issue with operator create (but not composite)

* fix printing test, needed to add filds

* basic operator apply and apply_add tests work

* add t501 as main test of entire rust interface

* switch to usize for restr, basis args

* drop get_array, get_array_read

* add mutable view

* clean up tests a little

* minor uniformity

* more uniformity

* clean up dependencies

* drop ndarray and set_array

* drop CopyMode from public interface

* simplify setting LD_LIBRARY_PATH for Travis

* small cleaning

* Remove allow dead_code

* Add Eq to the enum types.

* Refactor unsafe block

* Remove heap allocation of string

* Reorganize use

* Refactor unsafe block

* Refactor Vector

* Rewrite Display for Basis

* Rewrite Display for Ceed

* Rewrite vector_active and vector_none.

* Remove lifetime and use Option type.

* Refactor Display functions

* Remove unused interface.

* Move fmt and CString in the prelude.

* Add minimal doc

* move allow dead_code for ffi only.

* Rename variables.

* Move exceptions in the prelude and change max_buffer_size to uppercase.

* Add a reference counted Ceed struct.

* Revert "Add a reference counted Ceed struct."

This reverts commit 019eb95b99cf0ade62ea19f39e1adb118d209121.

* Remove dead code.

* make OperatorCore pub(crate)/

* Add some documentation.

* cargo fmt

* allow dead code only for OwnPointer, as will never be used

* add tests for diagonal assembly

* drop lazy static as dep

* add cargo fmt to travis

* modify rustfmt in Travis per example

* Rust - list as v0.7

* Rust - add ElemRstrGetVectors

* Rust - drop context

* Rust - return operator tuple from multigrid level creation

* Rust - add test for multigrid creation

* Rust - full set of multigrid tests

* Rust - fmt docstrings

* Rust - style fixes

* minor

* minor doc styling

* Rust - subclass QFunctions

* rust - basic docs info

* restrict some data

* rust - incomplete impl of using closures

* rust - possible qfunction closure solution

* rust - add qf tests, there is a bug (as expected because nothing runs correctly the first time)

* rust - qfunctions seem to work

* rust - assemble pbd tests

* rust - drop qf source, for now GPU not supported, so single source not valuable

* rust - add comment about context usage

* rust - add some composite operator tests/examples

* Travis - add doc deployment

* travis - minor changes to prevent warnings

* travis - deploy on jeremy/rust for testing

* Travis - update url on travis deployment of rust docs

* Rust - doc style fixes

* Rust - use libceed as package name for consistency, add all enums to prelude

* cargo fmt

* travis - minor url fix

* Docs - add Rust docs link

* docs - fix title to include Rust

* Some suggestions.

- avoid anything that can panic inside unsafe blocks (e.g. casting)
- use slice in favor of Vec
- add Basis, ElemRestriction, Operator, QFunction, Vector to the prelude
- Reorganize some of the unsafe blocks

Co-authored-by: Adrien Champion <ptitbatt@hotmail.com>

* rustfmt

* Forgot one

* Switch vec to slice in operator.

* Rust - small test updates

* Rust - drop to_string() for QFunctionByName

* Rust - add doc deployment action

* Rust - gcc not needed for Rust doc deployment

* Rust - temp doc deployment on dev branch

* Rust - rename doc job to build

* Rust - add doc index redirect

* Rust - use &str over String in QFunctionByName

* Rust - use &str for field names as well

* Rust - use MAX_QFUNCTION_FIELDS over 16

* Rust - use high order function in some qf examples

* Rust - more qf editing

* Rust - spelling

* Rust - add debug assertions for all Opts

* Rust - use more idiomatic return in user QFunction examples

* Rust - fmt

* Rust - drop extra lines

* Rust - add a few comments for future ref

* Rust - minor wording

* Rust - minor

* Rust - update QF user function signature

* Rust - minor wording

* Rust - use rust formatting for high order function line breaks

* rust: slightly streamline suggested qfunction notation

* Rust - propegate QF signature improvement

* Rust - drop q from user QF signature

* Rust - fmt

* Rust - minor comments to help readers

* rust: cleaner type signatures on QFunction closures

* rust: infer return type in qfunction closure

* Rust - propegate improved signature

* Rust - more propegation

* Docs - updates with Rust build instructions

* formatting

* more documentation

---

Rust interface initial version

Co-authored-by: Jed Brown <jed@jedbrown.org>
Co-authored-by: Yohann Dudouit <dudouit1@llnl.gov>
Co-authored-by: Adrien Champion <ptitbatt@hotmail.com>

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