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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examples/solids: Add residual and Jacobian in current configuration

There are some benefits to evaluating residuals and/or Jacobians in
current configuration. This includes simpler representation of

examples/solids: Add residual and Jacobian in current configuration

There are some benefits to evaluating residuals and/or Jacobians in
current configuration. This includes simpler representation of body
forces and contact, as well as lower storage and lower arithmetic in the
Jacobian action. We add these implementations as well documentation to
derive their representations via linearize-then-pushforward and
pushforward-then-linearize.

Co-authored-by: Arash Mehraban <arashm81@gmail.com>
Co-authored-by: Jed Brown <jed@jedbrown.org>
Co-authored-by: Jeremy L. Thompson <jeremy.thompson@colorado.edu>

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Command line option for viz in Fluids and Solids examples

examples/fluids: change the cl option -of to -output_dir for the output folder

examples/solids: add cl option -output_dir for the viz outpu

Command line option for viz in Fluids and Solids examples

examples/fluids: change the cl option -of to -output_dir for the output folder

examples/solids: add cl option -output_dir for the viz output

change: output folder -> output directory

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

examples: change variable name outputfolder -> outputdir

examples: update the README files

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WIP: Solids-GivensBC (#702)

* Givens boundary condition added.

Co-authored with: @jedbrown and @jeremylt

* Comments first letter capitalized

headers - clearify includes to not rely on transitive includes (#701)

* headers - clearify includes to not rely on transitive includes

* style - add header recommendations from 'include-what-you-

headers - clearify includes to not rely on transitive includes (#701)

* headers - clearify includes to not rely on transitive includes

* style - add header recommendations from 'include-what-you-use'

* style - apply 'include-what-you-use' changes to CUDA backends

* style - 'include-what-you-use' for hip backends

* style - drop ceed.h includes in gallery qf source

* docs - add dev notes for header files

* style - header style and alphabetize

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doc: use pre-release KaTeX with amscd (commutative diagrams)

This (newly-merged feature) gets us nicer formatting for the commutative
diagram in examples/solids and will likely come in handy elsewhe

doc: use pre-release KaTeX with amscd (commutative diagrams)

This (newly-merged feature) gets us nicer formatting for the commutative
diagram in examples/solids and will likely come in handy elsewhere.

https://github.com/KaTeX/KaTeX/pull/2396

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doc: fix some references

README.rst is a direct link to GitHub here because those docs have not
been refactored to put running instructions into the Sphinx
output (compare how examples/solids/index.

doc: fix some references

README.rst is a direct link to GitHub here because those docs have not
been refactored to put running instructions into the Sphinx
output (compare how examples/solids/index.rst links to
examples/solids/README.rst).

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examples/petsc: use VecGetArrayAndMemType() to support CUDA/HIP/Kokkos

We resolve default VECCUDA or VECHIP based on /gpu/cuda or /gpu/hip. For
others, one should pass -dm_vec_type kokkos or -dm_vec

examples/petsc: use VecGetArrayAndMemType() to support CUDA/HIP/Kokkos

We resolve default VECCUDA or VECHIP based on /gpu/cuda or /gpu/hip. For
others, one should pass -dm_vec_type kokkos or -dm_vec_type standard.

There is no longer a "libCEED User Requested MemType" field in the
output.

Enable CI testing using PETSc built locally with HIP. This should be
converted to building a specified version once some bugs are fixed and
the branch merges.

Exclude automatic selection of VECHIP for /gpu/hip/occa due to SEGV:
https://github.com/CEED/libCEED/issues/678

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solids - traction BCs

solids - fix missing ()s in clamp BCs

OCCA - update backend resource names to match conventions

QFunction Context Data Object (#596)

* Ctx - create context object for QFunction context data

* Context - rename UserContext -> QFunctionContext

* Ctx - add lcov markers

* Ctx - fix leak in

QFunction Context Data Object (#596)

* Ctx - create context object for QFunction context data

* Context - rename UserContext -> QFunctionContext

* Ctx - add lcov markers

* Ctx - fix leak in identity QFunctions

* Hip/Cuda - rename sync functions for vector/context

* Tests - lcov marker update

* QFunction - drop unused function

* Python - fix copy-paste errors

* Ctx - update notes for Fortran usage

* Fortran - drop unneeded cast

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

* Interface - use void* for SetData interfaces

* Make - use call quiet for NVCC

* Interface - use void* for GetData interfaces

* Make - add quiet call option for examples

* Makefile - create common makefile to reduce duplication/complexity in example makefiles

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

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PETSc examples: Update DMPlexCreateSphereMesh() and DMAddBoundary() calls after changes in PETSc's API (#600)

* PETSc examples: Update DMPlexCreateSphereMesh call after change in API

* PETSc bps:

PETSc examples: Update DMPlexCreateSphereMesh() and DMAddBoundary() calls after changes in PETSc's API (#600)

* PETSc examples: Update DMPlexCreateSphereMesh call after change in API

* PETSc bps: Update DMAddBoundary() call after change in API

* Add compatibility macros

* solids/ and fluids/ : Update DMAddBoundary() call and add compatibility macros

* Travis: Update PETSc ref with latest hash from master

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Op - add interface for multigrid level creation (#579)

* Op - add interface for multigrid level creation

* Op - add implementation for OperatorMultigridLevelCreate

* make style

* make tidy

Op - add interface for multigrid level creation (#579)

* Op - add interface for multigrid level creation

* Op - add implementation for OperatorMultigridLevelCreate

* make style

* make tidy

* Op - add test t550, fix errors

* Tests - add Fortran version of t550

* Tests - add t511 for testing tensor basis multigrid level setup

* make style and tidy

* Tests - fix t55* memory leaks

* Tests - add t552 for non-tensor basis multigrid levels

* CUDA - use CeedIntMax in shared CUDA backend

* Tests - add OCCA test exception for t55*

* Op - add lvector global prolongation multiplicity, simplifies user interface

* Solids - convert example to new interface

* make style

* Tests - convert t550 to multicomponent

* Solids - drop unused ceed_fine

* Python - add new multigrid level interface

* Python - fix operator wrap, use ceed python obj rather than ceed pointer

* Gallery - update comment slightly

* Tests - remove accidental duplicate test

* Multigrid - add size=2 case as well

* Operator - drop unneeded inline

* QFunction - simplify context ownership to match vector

* make style

* Python - update multigrid function signature

* Operator - refactor prolong/restrict qfunctions as scaling qfunctions

* Vector - add testing for reciprocal and add to Fortran/Python interfaces

* CUDA - add VectorReciprocal on device

* Gallery - drop specalized versions for 'Scale', wil fix performance hit later

* Hip - add vector reciprocal

* Operator - add more flexible prologation basis creation interface

* Vec - make sure data is set for VectorReciprocal

* Tests - drop ncomp for t550/1 so kernel is not too large for Magma backend

* Tests - add missing lcov markers

* make style

* Travis - allow ARM job to fail

* Travis - fix intel install

* Travis - try different install dir name for inteloneapi

* Travis - add ifort, ipp packages

* Tests - add missing lcov marker

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Merge pull request #589 from CEED/jeremy/solid-stats

Solids - add summary output for number of KSP its and throughput

Solids - add summary output for number of KSP its and throughput

Solids - small fixes for CUDA compilation

Vec - add CeedVectorTakeArray

Solids - add comment explaining use of Set/Sync array for debugging

Solids - use degree 3 for better testing

Solids - add missing MatShellSetVecType calls

Solids - add missing address-of operator

make style

Solids - enable use of GPU vectors

examples/solids: fix small typo