MPFR
 |
|
| Developer(s) | INRIA and others |
|---|---|
| Stable release |
3.1.5 / September 27, 2016
|
| Repository | scm |
| Type | Mathematical software |
| License | LGPL |
| Website | www |
GNU MPFR (GNU Multiple Precision Floating-Point Reliably) is a GNU portable C library for arbitrary-precision binary floating-point computation with correct rounding, based on GNU Multi-Precision Library. The computation is both efficient and has a well-defined semantics: the functions are completely specified on all the possible operands and the results do not depend on the platform. This is done by copying the ideas from the ANSI/IEEE-754 standard for fixed-precision floating-point arithmetic (correct rounding and exceptions, in particular). More precisely, its main features are:
MPFR is not able to track the accuracy of numbers in a whole program or expression; this is not its goal. Interval arithmetic packages like MPFI, or Real RAM implementations like iRRAM, which may be based on MPFR, can do that for the user.
MPFR is needed to build the GNU Compiler Collection (GCC).
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