CHANGELOG.md

Changelog
=========

v5.6.0
-----
**Library**
- Clean-up Set_Rhs_Magnitude function in NekLinSysIter (!1729)

v5.5.0
------
**Library**
- Fix Nektar++Config.cmake to use MPI_CXX (!1224)
- Redesign of Parareal and PFASST driver (!1613)
- Update default global system solver parameters for paralell-in-time (!1649)
- Add member function in MPI communicator to check if time-parallel is enable (!1647)
- Fixed FilterError for homogeneous expansions (!1640)
- Fix ForcingAbsorption for homogeneous expansions (!1650)
- Update AssemblyMap to reduce verbosity when using parallel-in-time (!1651)
- Tidy-up of Collection library (!1622)
- Tidy-up of I/O in BasicUtils (!1623)
- Fix local implementation of CG with Null preconditioner (!1658)
- Update to use C++17 nested namespaces (!1556, !1670)
- Fix a minor bug in ProcessWallNormalData (!1663)
- Fix Explist::v_GetNormals and GetElmtNormalLength (!1625)
- Replace `boost::random` with `std::random` (!1673)
- Add a new feature of Lagrangian points tracking in parallel (!1666)
- Add Robin BC to xxt full solver (!1679)
- Update Parareal file output and tidy-up Parareal/PFASST interpolation (!1678)
- Move from `boost::filesystem` to `std::filesystem` (!1674)
- Use `[[deprecated]]` attribute (!1682)
- Fix QuadExp::v_ComputeTraceNormals(!1685)
- Replace `boost::thread` with `std::thread` (!1687)
- Replace `boost::math::tgamma` by `std::tgamma`(!1686)
- Remove `#include <boost/math/special_functions/fpclassify.hpp>` header (!1686)
- Replace `boost::regex` with `std::regex` (!1676)
- Update SDC scheme for implicit PFASST (!1659)
- Pre-allocate memory for GMRES (!1668)
- Update hdf5 read to only read in selected elements to reduce memory overhead (!1351)
- Remove arbitrary factor in  `GlobalLinSysIterative.cpp` (!1694)
- Some tidy-up in LinearAlgebra (!1699)
- Some further tidy-up in LinearAlgebra (!1700)
- Updated hdf5 to 1.12.3 (!1696)
- Remove redundant tolerance limiter in GMRES (!1707)
- Remove unused tolerance parameter in NekSys class and subclasses (1708)
- Avoid repeatly operator assignment in NekNonlinSysNewton class (!1709)
- Add an exact solution for GetLocCoords of straight-edge quad elements (!1704)
- Remove MaxIterations parameter from AssemblyMap (!1710)
- Consistently use relative tolerance for GMRES (!1706)
- Fix use of absolute tolerance for iterative solvers (!1711)
- Move solver info loading form NekSys (and its derived classes) to the callers (!1716)
- Tidy physderiv and helmholtz in MatrixFreeOps (!1653)
- Remove time estimation for Parareal and PFASST drivers (!1691)
- Tidy and clarify implementation of Dirichlet boundary condition in GlobalLinSys (!1724)
- Remove unused file NekLinAlgAlgorithms.hpp (!1728)

**ADRSolver**
- Add support for spatially-constant, but variable direction, diffusion to
  ADRSolver. (!1669)
- Inline Vmath library (!1667)
- Refactor UnsteadyReactionDiffusion as a subclass of UnsteadyDiffusion (!1713)
- Tidy-up ADRSolver (!1715)
- Refactor UnsteadyAdvectionDiffusion as a subclass of UnsteadyAdvection (!1720)
- Update UnsteadyReactionDiffusion solver for explicit time-stepping (!1731)
- Refactor UnsteadyViscousBurgers as a subclass of UnsteadyInviscidBurgers solver (!1718)

**CardiacEPSolver**
- Fix cell model history point filter output after base class change (!1342)
- Add const qualifier to SetUniversalUniqueMap (!1644)
- Add safety check for FinTime parameter for parallel-in-time (!1652)

**IncNavierStokesSolver**
- Save BndElmtExpansion and avoid re-building (!1648)
- Add Simo-advection and a switch for Simo-/Dong-advection to VCSImplicit (!1630)
- Add a new feature of elasticaly mounted object using the moving reference frame (!1495)
- Some tidy-up (!1693)
- Fix memory leak in VCSImplicit due to matrix updating (!1688)
- Rename Simo-/Dong-advection to Extrapolated/Updated respectively for VCSImplicit (!1717)
- Update test for SuccessiveRHS parameter (!1727)
- Fix segmentation error in IncNavierStokesSolver when AeroForces filter is used (!1726)
- Added Examples in solvers/IncNavierStokesSolver/Examples, matching with the user-guide (!1723)
- Extend support for IO timer levels to IncNavierStokesSolver (!1732)
- Fixed issue with substepping when using mixed BCs (!1639)

**CompressibleFlowSolver**
- Add three subsonic inflow boundary conditions: EnforceEntropyPresure, EnforceEntropyVelocity, and EnforceEntropyTotalEnthalpy (!1398)
- Update implicit solver for implicit PFASST (!1659)
- Some tidy-up in the compressible flow solver (!1698)
- Fix ESDIRK scheme for compressible flow solver (!1690)
- Some further tidy-up in compressible flow solver (!1700)

**Documentation**
- Update instructions for VS2022 (!1714)
- Update ADRSolver user guide (!1730)

**ShallowWaterSolver**
- Reduce memory footprint of the Peregrine solver(!1680)
- Fix Peregrine solver for Parareal output(!1689)

**FieldConvert**
- Fix typo in user-guide and fix but for parallel-in-time FieldConvert (!1645)
- Fixed FieldConvert -m addfld (!1500)
- Add a new FieldConvert module to zero a plane in wavespace (!1632)
- Fix tecplot output for line and plane points (!1497)

**CI**
- Disable macOS Intel runner (!1655)
- Upgrade Win10 runners (!1656)
- Add `clang-tidy` support to CI for static analysis (!1556)
- Remove some uncompiled files and add quality step to check (!1672)
- Add `clang-15` tester (!1671)
- Update performance tests to use minimum execution time (!1733)
- Fix missing dependencies for clang-tidy and uncompiled-files jobs (!1736)

**NekMesh**
- Replace deprecated boost::filesystem functions (!1654)
- Remove deprecated AddTraceIntegral interface from ExpList.h (!1646)

**Packaging**
- Remove unnecessary Boost dependencies after C++17 migration (!1734)

**Miscellaneous**
- Add a particle tracker utilitiy using equation system infrastructure (!1310)
- Remove deprecated fs::copy_directory function call (!1662)
- Added a sample python script for wallnormaldata module (!1663)
- Replace boost::lexical_cast with std::to_string for integer variable (!1677)
- Use `[[maybe_unused]]` attribute in solvers (!1683)
- Use `[[maybe_unused]]` attribute in library (!1684)
- Fix sse2 SIMD bug (!1559)
- Improved the Incompressible NS section of User-guide (!1719)

v5.4.0
------
**Library**
- Add unit tests for Polylib (!1533)
- Add the absolution tolerance for the iterative linear system solver (!1549)
- Redesign of Parareal driver (!1509) 
- Add PFASST driver (!1501)
- Add local p-refinement functionality (!1508)
- Tidy-up SDC schemes (!1550)
- Add min/max and fmin/fmax function to the interpretor registry (!1552)
- Fix a _m128d to _m128i conversion bug in sse2.hpp (!1551)
- Register TimeIntegrationMethod to SessionReader (!1539)
- Remove unecessary for loop in NekLinSysIterGMRES (!1554)
- Generalize the use of size_t in TimeIntegration (!1555)
- Fix convergence error in Fixed-point Jacobi algorithm (!1561)
- Tidy-up NekLinSys (!1562)
- Tidy-up TimeIntegration (!1505)
- Fix Adams-Bashforth time integration scheme (!1558)
- Remove unused Kernel directory (!1560)
- Remove unused files in BasicUtils (!1564)
- Fix convergence error in Fixed-point Jacobi algorithm (!1561)
- Update parallel-in-time code base in fieldconvert (!1565)
- Tidy-up Basis and Points classes (!1568)
- Remove unused function GetKey in NekFactory (!1567)
- Add new functionality and code improvements for the local p-refinement (!1571)
- Fix v_Exscan compilation bug (!1566)
- Tidy-up of comm class (!1572)
- Tidy-up Nektar tolerances (!1570)
- Tidy-up UnsteadySystem (!1579)
- Fix StaticCond approach + GMRES when restarting (!1583)
- Tidy-up NekManager (!1587)
- Slightly reduce memory allocation in GMRES (!1586)
- Tidy-up Advection class (!1580)
- Tidy-up diffusion class and subclasses (!1581)
- Tidy-up NekNonlinSys and fix some issues (!1563)
- Avoid pre-allocating memory in GMRES (!1591)
- Added a local space version of GMRES and ConjugateGradient (!1575)
- Added a jacobi preconditioner building on diagonal impelemtation (!1575)
- Add a priori convergence and null-input check to GMRES (!1590)
- Some tidy-up in StdRegions (!1595)
- Tidy-up/removed unused Lapack function definition (!1573)
- Some Tidy-up in MatrixFreeOps (!1599)
- Accelerate interpolation for regular and straight-edge elements (!1283)
- Fix an indexing error in MatrixFreeOps (!1602)
- Update Session File for Parallel-in-Time (!1516)
- Partially fix hdf5 partition for Parareal (!1611)
- Update Collection for Parareal-in-Time (!1607)
- New version of CreateCollection using basisKey (!1603)
- Remove unused Domain.cpp and Domain.h file (!1609)
- Remove useless ReadExpressions and SubstituteExpressions function in sessionReader (!1608)
- Corrected workspace size in triangle BwdTrans (!1610)
- Reactivate Reactivate Movement_fixed_3D_stacked_cylinders_curved_hdf5_par test except on ARM MacOS (!1536)
- Rename communicator in LinearAlgebra (!1612)
- Add IProductWRTDerivBase operator for 3DH1D problems (!1483)
- Full support of mixed-order elements in DG (!1606)
- Refactoring collections for allowing variable output size inside the collections' operators, introduced PhysInterp1DScaled in Collections (!1620)

- Use default keyword for destructor in Driver (!1624)
- Add additional test for SDC time-integration(!1621)
- Fix to compiler flags for MSVC (!1604)
- Correct bug in scotch initialisation for substructuring (!1634)
- Add ability to build up Movement objects programmatically (!1600)
- Write out movement data to XML files (!1600)

**CompressibleFlowSolver**
- Fix AUSM3 Riemann solver and add tests to the CI (!1537)
- Set initial condition check points files to zero (0) (!1535) 
- Prevent file overwrite with restart for the Compressible flow solver (!1540)
- Register Projection and GJPStabilisation in SessionReader (!1542)
- Redesign of AUSM Riemann solver class (!1577)