The is an update to the latest upstream release.
https://www.multiprecision.org/mpc/home.html
The following packages are available on Cygwin:
mpclib-1.4.0-1
mingw64-i686-libmpc-1.4.0-1
mingw64-x86_64-libmpc-1.4.0-1
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.
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