update to 4.5

3 files changed, 152 insertions, 11 deletions

diff --git a/.SRCINFO b/.SRCINFO
index b1360f0720c9..801a6bb0c771 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = mfem
 	pkgdesc = Lightweight, general, scalable C++ library for finite element methods
-	pkgver = 4.4
+	pkgver = 4.5
 	pkgrel = 1
 	url = https://github.com/mfem/mfem
 	changelog = CHANGELOG
@@ -8,8 +8,8 @@ pkgbase = mfem
 	license = BSD
 	makedepends = cmake
 	depends = gcc-libs
-	provides = libmfem.so=4.4.0-64
-	source = mfem-4.4.tar.gz::https://github.com/mfem/mfem/archive/v4.4.tar.gz
-	sha256sums = 0325a57854d9268dfe3f8d9b03836eb01b00a966d93162e6249857e9fab9c61f
+	provides = libmfem.so=4.5.0-64
+	source = mfem-4.5.tar.gz::https://github.com/mfem/mfem/archive/v4.5.tar.gz
+	sha256sums = ee0e640286ea370aaf5c973e8f08eb648fa650e3e30f296e68bfc10c3dcfa9b8
 
 pkgname = mfem
diff --git a/CHANGELOG b/CHANGELOG
index 12baca1d1fc7..29a018fa78e7 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -8,6 +8,147 @@
                                https://mfem.org
 
 
+Version 4.5, released on October 22, 2022
+=========================================
+
+Meshing improvements
+--------------------
+- Added new SubMesh and ParSubMesh classes that can be used to extract a subset
+  of a given Mesh. These classes have the same functionality as Mesh and ParMesh
+  and work with all existing MFEM interfaces like finite element spaces etc.
+
+- Added a method, ParMesh::GetSerialMesh(), that reconstructs a partitioned
+  parallel mesh on a given single rank. Also, added ParMesh::PrintAsSerial(),
+  which saves the reconstructed serial mesh to a C++ stream on rank 0.
+
+- Added more 3D TMOP metrics, as well as specialized metrics for mesh
+  untangling and worst-case quality improvement.
+
+- Added a new method, Mesh::NodesUpdated, which should be called after the mesh
+  node coordinates have changed, e.g. after the mesh has moved. This is
+  necessary, for example, with device assembly of linear and bilinear forms.
+
+- Added support for mixed meshes and pyramids in GSLIB-FindPoints.
+
+Discretization improvements
+---------------------------
+- Added full assembly and device support for several LinearForm integrators:
+  * DomainLF: (f, v)
+  * VectorDomainLF: ((f1,...,fn), (v1,...,vn))
+  * DomainLFGrad: (f, grad(v))
+  * VectorDomainLFGrad: ((f1x,f1y,f1z,...,fnx,fny,fnz), grad(v1,...,vn))
+  The device assembly of linear forms has to be explicitly enabled by calling
+  LinearForm::UseFastAssembly(true), otherwise the legacy linear form assembly
+  is used by default.
+
+- Added support for assembling low-order-refined matrices using a GPU-enabled
+  "batched" algorithm. The lor_solvers and plor_solvers now fully support GPU
+  acceleration with arbitrary user-supplied coefficients.
+
+- Added a new class FaceQuadratureSpace that allows for the construction of
+  QuadratureFunctions on the interior or boundary faces of a mesh.
+
+- Added a class CoefficientVector for efficient access of variable coefficient
+  values at quadrature points (in particular for GPU/device kernels).
+
+- Added WhiteGaussianNoiseDomainLFIntegrator: a LinearFormIntegrator class for
+  spatial Gaussian white noise.
+
+- Added a new Zienkiewicz-Zhu patch recovery-based a posteriori error estimator.
+  See fem/estimators.hpp.
+
+- Various fixes and improvements in LinearFormExtension.
+
+Linear and nonlinear solvers
+----------------------------
+- Added a new class DGMassInverse that performs a local element-wise CG
+  iteration to solve systems involving the discontinuous Galerkin mass matrix,
+  including support for device/GPU acceleration.
+
+- Added more flexibility to the constrained solver classes:
+  * PenaltyConstrainedSolver now allows for a vector of penalty parameters
+    (necessary for penalty contact)
+  * PenaltyConstrainedSolver and EliminationSolver can use GMRES or PCG
+  * All constraint solver classes can take a user-defined preconditioner
+
+ - Added functions to toggle additional options for the SuperLU_Dist and Hypre
+   preconditioners (ParaSails, Euclid, ILU).
+
+- Added boundary elimination with device support for `SparseMatrix` and
+  `HypreParMatrix`.
+
+New and updated examples and miniapps
+-------------------------------------
+- Added a new elasticity miniapp, Hooke, that showcases a low-level approach of
+  using MFEM to solve a nonlinear elasticity problem based on the fundamental
+  finite element operator decomposition. The miniapp also integrates with
+  automatic differentiation tools like a native dual number implementation or a
+  third party library such as Enzyme. See miniapps/elasticity for more details.
+
+- Added example for body-fitted volumetric and shape integration using the
+  Algoim library in miniapps/shifted.
+
+- Add a new example code, Example 33/33p, to demonstrate the solution of
+  spectral fractional PDEs with MFEM.
+
+Integrations, testing and documentation
+---------------------------------------
+- Added a Dockerfile for a simple MFEM container, see config/docker/README.md.
+  More sophisticated developer containers are available in the new repo
+  https://github.com/mfem/containers.
+
+- Added support for the LLVM-based automatic differentiation tool Enzyme, see
+  https://github.com/EnzymeAD/Enzyme. Build system flags and a convenience
+  header are provided. The functionality and interaction are demonstrated in a
+  new miniapp in miniapps/elasticity.
+
+- Added support for partial assembly and fully matrix-free operators on mixed
+  meshes (different element types and p-adaptivity) through libCEED, including
+  device acceleration, e.g. with NVIDIA and AMD GPUs. The p-adaptivity is
+  currently limited to 2D serial meshes. All mixed element topologies are
+  supported in both serial and parallel.
+
+- Added support for ParMoonolith, https://bitbucket.org/zulianp/par_moonolith,
+  which provides parallel non-conforming, non-matching, variational, volumetric
+  mesh information transfer. With ParMortarAssember, fields can be exchanged
+  between arbitrarily distributed and unrelated finite element meshes in a
+  variationally consistent way.
+
+- Fully encapsulated SUNDIALS `N_Vector` object within the `SundialsNVector`
+  class by removing deprecated (e.g. `HypreParVector::ToNVector`) and
+  non-deprecated (e.g. `Vector::ToNVector`) functions in other classes.
+
+- New benchmark for the different assembly levels inspired by the CEED
+  Bake-Off Problems, see tests/benchmarks/bench_assembly_levels.cpp.
+
+- Added Windows 2022 CI testing with GitHub actions.
+
+Miscellaneous
+-------------
+- The method SparseMatrix::EnsureMultTranspose() is now automatically called
+  by the methods AddMultTranspose(), MultTranspose(), and AbsMultTranspose().
+  Added a method with the same name to class HypreParMatrix which is also called
+  automatically by the HypreParMatrix::MultTranspose() methods.
+
+- Updated various MemoryUsage methods to return 'std::size_t' instead of 'long'
+  since the latter is 32-bit in Win64 builds.
+
+- When using `AssemblyLevel::FULL`, `FABilinearFormExtension::FormSystemMatrix`
+  outputs an `OperatorHandle` containing a `SparseMatrix` in serial, and an
+  `HypreParMatrix` in parallel (instead of a `ConstrainedOperator`).
+
+- In various places in the library, replace the use of 'long' with 'long long'
+  to better support Win64 builds where 'long' is 32-bit and 'long long' is
+  64-bit. On Linux and MacOS, both types are typically 64-bit.
+
+- The behavior of GridFunction::GetTrueVector() has been changed to not return
+  an empty true vector.
+
+- Added support for ordering search points byVDIM in FindPointsGSLIB.
+
+- Various other simplifications, extensions, and bugfixes in the code.
+
+
 Version 4.4, released on March 21, 2022
 =======================================
 
diff --git a/PKGBUILD b/PKGBUILD
index 6044282d5128..41da42266342 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Luis Martinez <luis dot martinez at disroot dot org>
 
 pkgname=mfem
-pkgver=4.4
+pkgver=4.5
 pkgrel=1
 pkgdesc="Lightweight, general, scalable C++ library for finite element methods"
 arch=('x86_64')
@@ -9,10 +9,10 @@ url='https://github.com/mfem/mfem'
 license=('BSD')
 depends=('gcc-libs')
 makedepends=('cmake')
-provides=('libmfem.so=4.4.0-64')
+provides=('libmfem.so=4.5.0-64')
 changelog=CHANGELOG
 source=("$pkgname-$pkgver.tar.gz::$url/archive/v$pkgver.tar.gz")
-sha256sums=('0325a57854d9268dfe3f8d9b03836eb01b00a966d93162e6249857e9fab9c61f')
+sha256sums=('ee0e640286ea370aaf5c973e8f08eb648fa650e3e30f296e68bfc10c3dcfa9b8')
 
 build() {
 	cmake \
@@ -22,12 +22,12 @@ build() {
 		-Wno-dev \
 		-B build \
 		-S "$pkgname-$pkgver"
-	make -C build
+	cmake --build build
 }
 
 package() {
-	make -C build install DESTDIR="$pkgdir/"
+	DESTDIR="$pkgdir" cmake --install build
 	cd "$pkgname-$pkgver"
-	install -Dm644 LICENSE -t "$pkgdir/usr/share/licenses/$pkgname/"
-	install -Dm644 README NOTICE -t "$pkgdir/usr/share/doc/$pkgname/"
+	install -Dvm644 LICENSE -t "$pkgdir/usr/share/licenses/$pkgname/"
+	install -Dvm644 README.md NOTICE -t "$pkgdir/usr/share/doc/$pkgname/"
 }