Version 3.7.1-1 of
geos (source only)
libgeos_3_7_1 (C++ lib, SONAME Bump)
libgeos_c1 (C API)
have been uploaded for cygwin.
GEOS (Geometry Engine - Open Source) is a C++ port of the
Topology Suite (JTS).
As such, it aims to contain the complete functionality of
JTS in C++. This includes all the OpenGIS Simple Features
for SQL spatial predicate functions and spatial operators,
as well as specific JTS enhanced topology functions.