[Geographiclib-announce] GeographicLib 2.5.1 (released 2025-08-20)

[Charles K. <cha...@gm...>]

Changes between 2.5.1 (released 2025-08-20) and 2.5 versions:

    * Fix bug in geodesic inverse problem with very prolate
      ellipsoids. For f < −2, a meridional path was incorrectly
      returned in some cases for two points on the same meridian. This
      affected both the series and exact solutions. (Or course, the
      series solution is inaccurate for ellipsoids this eccentric.)

    * Minor tweak to Math::atan2d to improve accuracy.

    * Allow GEOGRAPHICLIB_PRECISION > 5 to allow use of mpreal with a
      fixed precision.

    * Document that cmake option -D BINDIR=OFF removes tools from the
      default all target for make.

    * WARNING: C++17 compliant compiler will be required for the next
      release. Support for builds with Visual Studio 14 (2015) will
      then stop.

-- 
Charles Karney <ka...@al...>