cln: CLN - Class Library for Numbers. cln: cln: CLN is a library for efficient computations with all kinds of numbers cln: in arbitrary precision. CLN was written by Bruno Haible cln: and is currently maintained by Richy Kreckel cln: . cln: CLN is a C++ library providing the following features: cln: Rich set of number classes - Elementary, logical, transcendental cln: functions - C++ as implementation language brings - Memory cln: efficiency - Speed efficiency - Interoperability. cln: