1. ANSI/IEEE 754–1985: IEEE standard for binary floating-point arithmetic. New York, 1985.
2. ANSI/IEEE 754–2008: IEEE standard for floating-point arithmetic. New York, 2008.
3. The GNU Multiple Precision Arithmetic Library: http://gmplib.org/.
4. The MPFR Library: http://www.mpfr.org/.
5. exflib—extend precision floating-point arithmetic library: http://www-an.acs.i.kyoto-u.ac.jp/~fujiwara/exflib/exflib-index.html.