> * Package name : mpfi > Version : 1.3.3 > Upstream Authors: Nathalie Revol, Fabrice Rouillier (email ommited) > * URL : > http://perso.ens-lyon.fr/nathalie.revol/software.html > * License : LGPL 2.1 or later > Description : multiple precision floating-point interval > computation > > The basic principle of interval arithmetic consists in enclosing > every number by an interval containing it and being representable > by machine numbers: for instance it can be stored as its lower > and upper endpoints and these bounds are machine numbers, or as a > centre and a radius which are machine numbers. > . > The arithmetic operations are extended for interval operands in > such a way that the exact result of the operation belongs to the > computed interval. > . > The purpose of an arbitrary precision interval arithmetic is on > the one hand to get guaranteed results, thanks to interval > computation, and on the other hand to obtain accurate results, > thanks to multiple precision arithmetic. The MPFI library is > built upon MPFR in order to benefit from the correct roundings > provided by MPFR. Further advantages of using MPFR are its > portability and compliance with the IEEE 754 standard for > floating-point arithmetic. > Yeah, but what does it *DO*? If it is a library, it oughta be called libmpfi ... and it should be stated. If it is an utility program, the "what is arbitrary precision foo" is secondary WRT what the program actually does.
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