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Release v4.0.0

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@isaacbrodsky isaacbrodsky released this 23 Aug 16:07
· 140 commits to master since this release
90748a4

[4.0.0] - 2022-08-23

Breaking changes

  • Rename functions according to the terminology RFC (#622, #586, #571, #403, #466, #495, #466)
  • Functions that can experience errors now have an H3Error return value. (#617, #586, #581, #551, #550, #509, #505, #507, #508, #503, #478, #468, #436, #359)
  • Cell count parameters use int64_t instead of int.
  • polygonToCells (previously polyfill) accepts a flags argument for future expansion. (#570)
  • cellToLocalIj and localIjToCell accept a mode argument for future expansion. (#586)
  • exactEdgeLength functions renamed to edgeLength (#639)

Fixed

  • Fix polyfill bug when vertex latitude exactly matches cell center. (#603)
  • A number of issues detected via unit tests and fuzzers were fixed. (#568, #562, #558, #559, #560, #430)
  • polygonToCells returns an error if Infinity is passed in. (#636)

Changed

  • The file CMakeTests.cmake is no longer included if ENABLE_TESTING is off. (#609)

Added

  • Vertex mode and associated functions: (#422, #420, #417)
    • cellToVertex(cell, vertexNum)
    • cellToVertexes(cell, out)
    • vertexToLatLng(vertex, out)
    • isValidVertex(vertex)
  • h3 CLI application. (#556, #497)

Other changes

  • Generally use lng instead of lon
  • Closed-form implementation of numHexagons
  • A number of fuzzer harnesses are now included in the H3 core library. (#557, #553, #545, #433)
  • Additional benchmarks are added and benchmarks are regularly run in CI. (#524, #518)