mpfr: mpfr: The MPFR library is a C library for multiple-precision floating-point mpfr: computations with exact rounding (also called correct rounding). mpfr: It is based on the GMP multiple-precision library. mpfr: The main goal of MPFR is to provide a library for multiple-precision mpfr: floating-point computation which is both efficient and has mpfr: well-defined semantics. It copies the good ideas from the mpfr: ANSI/IEEE-754 standard for double-precision floating-point arithmetic mpfr: (53-bit mantissa). mpfr: