Binary package “r-cran-rmpfr” in ubuntu lunar

R MPFR - Multiple Precision Floating-Point Reliable

 Arithmetic (via S4 classes and methods) for
 arbitrary precision floating point numbers, including transcendental
 ("special") functions. To this end, the package interfaces to
 the 'LGPL' licensed 'MPFR' (Multiple Precision Floating-Point Reliable) Library
 which itself is based on the 'GMP' (GNU Multiple Precision) Library.