All notable changes to this project will be documented in this file.
This project adheres to Semantic Versioning.
0.23.0 - 2021-01-19
- Structured interpolation method interpolating to area straddling Greenwich.
- Fixes when compiling with ATLAS_BITS_LOCAL=64
- Possibility to link to alternative open-source version of IFS trans library.
- Caching mechanism for interpolation
0.22.1 - 2020-10-22
- Installation of PGI compilers via tools/install-pgi.sh
- Allow dependency on older Eigen 3.2 which does not use CMake targets
0.22.0 - 2020-10-14
- Feature INIT_SNAN was not working
- Support KNearestNeighbour interpolation for functionspace with smaller halo than the mesh contains
- Support array size up to size_t limit
- Migration to use ecbuild 3.4
- ATLAS_BITS_LOCAL can be configured to 32 or 64
- Fields can be created with given alignment, which adds padding in innermost dimension
- Added conservative interpolation with "grid-box average" and "grid-box maximum"
- Missing value definition for fields
- Add support for missing values in matrix-based interpolation methods
- Floating point trapping and signal handling mechanism
- Fortran: GridDistribution constructors
- Fortran: Domain access
- Fortran: Get lonlat_bounding_box via domain
- Possibility to access Jacobian of projections (with only some projections implemented)
0.21.0 - 2020-06-23
- Fixed Rotation order of applying the rotation angle
- Fix nabla computation of surface vector fields
- Fix registration and destruction issues of halo-exchange caches
- Workaround Clang compiler problem with OpenMP tasking, using introspection
- Fix bug in conversion of negative degrees to microdegrees
- Fix problem in distribution of work amongst OpenMP threads in StructuredColumns::setup
- Fix problem with StructuredColumns creation for grids defined with domains with negative West
- Fix computation of Grid::lonlatBoundingBox for arbitrary projections crossing the dateline.
- Snap LinearSpacing values to start and endpoint to allow exact comparisons
- Improved performance and memory requirement of cropping of large StructuredGrids
- Regional grids by default now have a positive y-numbering (previously negative).
- PolygonLocator based on functionspace partition polygons.
- KDTree class which abstracts eckit concrete implementations, including Fortran interface
- Geometry class with factory mechanism to configure which spheroid to use, including Fortran interface
- StrcutredGrid function for i,j to index and inverse
- Fortran interface to create StructuredColumns with custom distribution
- Fortran interface to grid spec
- Fortran interface to Projection
- Adjoint of HaloExchange
- Plugin mechanism to load plugins at runtime.
- Fortran constructors for atlas_RegionalGrid
- Fortran constructors for projected reduced Gaussian grids
- Add copy constructor and assignment operator for atlas::vector
- Mercator projection support for scaling, and operation on ellipsoid.
- Grid Distribution can now also be created as a function, e.g. for Serial or Bands
0.20.2 - 2020-04-27
- Avoid 100ds of compilation warnings introduced in version 0.20.0
0.20.1 - 2020-04-08
- Make feature BOUNDSCHECKING work again. It was not turned on for DEBUG builds
- Workaround clang OpenMP bug
- Fix Segfault due to unexpected order of destruction of singleton objects
- atlas-grids tool can now be used to compute approximate North-South grid resolution
0.20.0 - 2020-03-06
- Pole edges hould not be created for global regular grids with points at poles
- Update compatibility with more recent GridTools
- HaloExchange with CUDA
- Self registration from external library
- Proj-based projections
- OpenMP functions for sorting, filling, copying
- Parallel structured grid interpolation
- Grid iterators can have random access
- Speed improvements for StructuredColumns constructor
- Speed improvements for LonLatPolygon::contains()
- Port to ecbuild 3 (also minimum required version)
- Tidying up of atlas tools
0.19.2 - 2020-01-28
- Compatibility with eckit 1.7 due to API change in eckit::LocalConfiguration
0.19.1 - 2019-12-19
- Keep Gaussian identity of a Gaussian grid if a given domain does not crop any latitudes
- Fix naming for LegendreCache, to be more specific, and platform independent
0.19.0 - 2019-10-01
- Lambert ( conformal conic ) projection xy coordinates are now corrected
- LambertProjection renamed to LambertConformalConic
- Reordering of nodes strategies (Hilbert curve, ReverseCuthillMckee)
- Preliminary CellColumns functionspace with Gmsh IO; halos are not yet fully supported
0.18.1 - 2019-08-10
- Match vertical structured interpolation to IFS
- Fix in creating vertical dimension in StructuredColumns using interval
- Fix in caching StructuredColumnsHaloExchange
0.18.0 - 2019-07-15
- Make grid hashes crossplatform
- Fortran: Can now use TransLocal
- Fortran: Can now create unstructured grids
- LonLat Bounding box computations for grids using its projection
- Serialisation of Mesh Connectivity tables to/from eckit::Stream
- Structured interpolation bugs
- StructuredColumns bug with iSend
- Memory corruption in Spectral functionspace with GT CUDA backend
0.17.2 - 2019-06-04
- Compilation with PGI 19.4
- Structured Grid creation for periodic domains that do not start at 0 degrees longitude (Greenwich)
0.17.1 - 2019-04-22
- Option to declaration of field type (vector/scalar) when creating field in FunctionSpace
- New projection: Lambert Azimuthal Equal Area
- StructuredInterpolation2D to target FunctionSpace StructuredColumns
- Compilation with IBM XL 19
- Compilation with Intel 19
0.17.0 - 2019-04-02
- OpenMP is now private dependency
- Dependencies are now added in a modern CMake3 way
- Fortran modules are installed in /module/atlas
- Spectral functionspace better used in distributed context
- Nabla now holds shared_ptr to Method
- Fortran access to vertical coordinates from StructuredColumns
- Compilation with PGI/19.1 (regression)
- Add missing halo_exchange for Fortran rank-4 arrays
- Memory leaks with StructuredColumns
0.16.0 - 2019-02-14
- Interpolation makes use of OpenMP
- Cleanup of header includes
- fypp Fortran preprocessor is ported to fckit 0.6
- Parallel structured interpolation methods (2D,3D): linear, cubic, quasicubic
- Interpolation for multi-level and multi-variable fields
- atlas_Trace: Fortran API and use within OpenMP parallel regions
- StructuredColumns halo-exchange for vector fields
- Field::halo_exchange() function
- Fortran compilation with PGI 18.10
- Access to Field view within OpenMP parallel region
- FunctionSpaces use only required halo, even if larger halo is available in mesh
- Fixed faulty name of a Field when created through Fortran API, wrapping existing memory
- Fix NodeColumns functionspace when mesh is created from projected grid.
- Parallel interpolation from regular lonlat grid.
- Spectral spherical harmonics transforms for large cases
0.15.2 - 2018-08-31
- Initialisation of Fields to signalling NaN in debug builds, uninitialised in non-debug builds (used to be initialised to zero as part of std::vector construction)
- Implementation of cropped unstructured grids so that spectral transforms to unstructured grids are allowed
- Spectral transforms to grids including pole and equator
- Build with gridtools CUDA backend
0.15.1 - 2018-07-17
- Compilation for Intel 18 debug
- Memory bug for spherical harmonics
- Compatibility with fckit 0.5.1
0.15.0 - 2018-06-19
- Native Array data storage uses now a raw C pointer instead of std::vector
- Significant performance improvements to Spherical harmonics transforms
- Various bugs related to parallel halos
- Bit reproducibility for parallel interpolation
0.14.0 - 2018-03-22
- Spherical Harmonics transforms can receive a cache memory handle
- Earth interface (C++)
- Requires eckit 0.20.0, fckit 0.5.0
0.13.2 - 2018-03-20
- C++ compilation using PGI 17, 18 and GCC 7
- Support Python 3 to generate Fortran bindings
- Travis CI linked with github repository
- Problem with CUDA allocated memory
0.13.1 - 2018-03-01
- Fortran compilation using Intel 18
- GridTools compatibility