The is an update to their latest upstream release with minor bugfixes. https://www.multiprecision.org/mpc/home.html
The following packages are available on Cygwin: mpclib-1.3.1-1 mingw64-i686-libmpc-1.3.1-1 mingw64-x86_64-libmpc-1.3.1-1 MPC Multiprecision Library ========================== The GNUÂ MPC library is a C library for multiple-precision complex floating-point computations with exact rounding (also called correct rounding). It is based on the GMP and MPFR multiple-precision libraries. -- *** CYGWIN-ANNOUNCE UNSUBSCRIBE INFO *** If you want to unsubscribe from the cygwin-announce mailing list, look at the "List-Unsubscribe: " tag in the email header of this message. Send email to the address specified there. It will be in the format: cygwin-announce-unsubscribe-you=yourdomain....@cygwin.com If you need more information on unsubscribing, start reading here: http://sourceware.org/lists.html#unsubscribe-simple Please read *all* of the information on unsubscribing that is available starting at this URL. -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple