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preCICE v2.5.0 Release Notes

• • ➕ Added 3D support to Linear Cell Interpolation mapping (<mapping:linear-cell-interpolation >/) using tetrahedra. (https://github.com/precice/precice/pull/1337)
  • Added C and Fortran bindings for setMeshTetrahedron (precicec_setMeshTetrahedron and precicef_set_tetrahedron). (https://github.com/precice/precice/pull/1382)
  • ➕ Added a clang-tidy CI and enforced the updated clang-tidy format. (https://github.com/precice/precice/pull/999)
  • 🔖 Added a new interface file precice/Version.h, which provides version macros PRECICE_VERSION_MAJOR, PRECICE_VERSION_MINOR, PRECICE_VERSION_PATCH as well as the stringified version PRECICE_VERSION. Use the convenience macro PRECICE_VERSION_GREATER_EQUAL(2,4,0) to check for compatibility. SolverInterface.hpp and SolverInterfaceC.h now include Version.h to simplify macro usage on older version lacking the header. (https://github.com/precice/precice/pull/1392)
  • ➕ Added checks during the establishment of inter-participant communication in order to safeguard against common issues. (https://github.com/precice/precice/pull/1290)
  • ➕ Added checks of MPI ports functions and descriptive error messages. (https://github.com/precice/precice/pull/1292)
  • ➕ Added default network interface for BSD-flavored operating systems. (https://github.com/precice/precice/pull/1332)
  • ➕ Added pre-commit configuration, which drastically simplifies contributing. Required formatting tools will now be installed by pre-commit. (https://github.com/precice/precice/pull/1359)
  • ➕ Added support for "Linear Cell Interpolation" data mapping in 2D. (https://github.com/precice/precice/pull/1297)
  • ➕ Added success statement to precice-tools check valid-config.xml, which used to output nothing. ((https://github.com/precice/precice/pull/1406)
  • ➕ Added support for polynomial="separate" and polynomial="off" for Eigen based RBF mappings (use-qr-decomposition="true"). (https://github.com/precice/precice/pull/1335)
  • ➕ Added support for tetrahedral meshes with setMeshTetrahedron. (https://github.com/precice/precice/pull/1314)
  • ➕ Added support for triangles in 2D meshes. (https://github.com/precice/precice/pull/1286)
  • ➕ Added support in VTK and VTU exporters for exporting tetrahedral elements. (https://github.com/precice/precice/pull/1314)
  • Added support to export gradient data in VTK exporting. Scalar gradients are written to a vector <ScalarDataname>_gradient (v0_dx,v0_dy,v0_dz,v1_dx ...), vector gradients are written to multiple vectors <VectorDataname>_dx/dy/dz (v0x_dx,v0y_dx,v0z_dz, ...). (https://github.com/precice/precice/pull/1315)
  • ➕ Added support to export gradient data in XML based exporting, VTU, VTP. (https://github.com/precice/precice/pull/1340)
  • ➕ Added tetrahedron communication. (https://github.com/precice/precice/pull/1325)
  • 🏗 Added the PRECICE_BUILD_TOOLS (ON by default) CMake variable in order to enable/disable the generation of the precice-tools executable. (https://github.com/precice/precice/pull/1344)
  • 🔄 Changed behavior of "Watchpoints" to look for cell interpolation instead of boundary interpolation, if possible. (https://github.com/precice/precice/pull/1361)
  • 🗄 Deprecated API functions isReadDataAvailable() and isWriteDataRequired() to simplify implementation of waveform iteration. (https://github.com/precice/precice/pull/1224)
  • 🛠 Fixed a bug leading to large whitespace sections in logs when using MPI ports. (https://github.com/precice/precice/pull/1292)
  • 🛠 Fixed data type of 'uint' to compatible 'unsigned int' type in RBF test. (https://github.com/precice/precice/pull/1298)
  • 🛠 Fixed erroneous behavior of first-participant timestepping in compositional coupling schemes. (https://github.com/precice/precice/pull/1307)
  • 🛠 Fixed inconsistency between writeVectorGradientData and writeBlockScalarGradientData and cleaned-up doxygen documentation of gradient API functions. (https://github.com/precice/precice/pull/1302)
  • 🛠 Fixed the API function isGradientDataRequired to behave as documented. (https://github.com/precice/precice/pull/1295)
  • 🛠 Fixed the git revision detection picking up revisions of super-projects. (https://github.com/precice/precice/pull/1398)
  • 🛠 Fixed the triangle-to-point distance calculation leading to erroneous projections in corner cases of the nearest-projection mapping. (https://github.com/precice/precice/pull/1395)
  • 👌 Improved efficienty of mesh filtering and communication. (https://github.com/precice/precice/pull/1311)
  • 👌 Improved the basis function implementation of RBF mappings for faster evaluations. (https://github.com/precice/precice/pull/1338)
  • 👌 Improved the memory footprint of triangles in meshes. (https://github.com/precice/precice/pull/1311)
  • 👌 Improved the runtime of the Eigen based RBF matrix assembly (use-qr-decomposition="true"). (https://github.com/precice/precice/pull/1320)
  • Passing nullptr to the SolverInterface as communicator is now forbidden. Use the SolverInterface constructor without the communicator argument, if you don't want to provide a custom MPI communicator. (https://github.com/precice/precice/pull/1261)
  • 🔨 Refactored RBF mappings to share a common base class (https://github.com/precice/precice/pull/1279)
  • 🔨 Refactored RBF system assembly and RBF system solving into a dedicated class. (https://github.com/precice/precice/pull/1319)
  • 🔨 Refactored mapping class interface into mapConsistent and mapConservative. (https://github.com/precice/precice/pull/1301)
  • Removed argument 'rowsFirst' in writeVectorGradientData and writeBlockVectorGradientData. The functions have now the signature writeVectorGradientData( int dataID, int valueIndex, const double *gradientValues) with the gradient format (vx_dx, vy_dx, vx_dy, vy_dy). writeBlockVectorGradientData allows to pass data for multiple vertices point-wise in the same format. (https://github.com/precice/precice/pull/1302)
  • ✂ Removed restriction to only use 5 iterations in the RS_LS restart mode of the IQN-IMVJ acceleration method. (https://github.com/precice/precice/pull/1257)
  • ✂ Removed the explicit gradient data flag (<data: ... gradient="on" />) for nearest-neighbor-gradient mapping. The gradient data requirement is now deduced automatically by preCICE. (https://github.com/precice/precice/pull/1371)
  • 📇 Renamed preCICE's master branch to main branch. (https://github.com/precice/precice/pull/1385)
  • ⬆️ Upgraded fmt to 9.0.0, json to 3.11.1 and tcbrindle span. (https://github.com/precice/precice/pull/1396)

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