0.22.1 - 2020-10-22

Fixed

• 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

Fixed

• 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

Changed

• Migration to use ecbuild 3.4
• ATLAS_BITS_LOCAL can be configured to 32 or 64

Added

• 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

• 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.

Changed

• 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).

Added

• 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

Fixed

• Avoid 100ds of compilation warnings introduced in version 0.20.0

0.20.1 - 2019-04-08

Fixed

• 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

Added

• atlas-grids tool can now be used to compute approximate North-South grid resolution

0.20.0 - 2019-03-06

Fixed

• 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

Added

• Proj-based projections
• OpenMP functions for sorting, filling, copying
• Parallel structured grid interpolation

Changed

• 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

0.19.1 - 2019-12-19

Fixed

• 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

Fixed

• Lambert ( conformal conic ) projection xy coordinates are now corrected

Changed

• LambertProjection renamed to LambertConformalConic

Added

• 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

Fixed

• 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

Changed

• Make grid hashes crossplatform

Added

• 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

Fixed

• Structured interpolation bugs
• StructuredColumns bug with iSend
• Memory corruption in Spectral functionspace with GT CUDA backend