arprec

ARPREC is a software package for performing arbitrary precision arithmetic. It consists of a revision and extension of Bailey's earlier MPFUN package, enhanced with special IEEE numerical techniques. Features include: * Written in C++ for broad portability and fast execution. * Includes C++ and Fortran 90/95 interfaces based on custom data-types and operator/function overloading, which permit the library to be used with only minor modifications for many conventional C++ and Fortran-90 programs. * Includes all of the usual arithmetic operations, as well as many transcendental functions, including cos, sin, tan, arccos, arcsin, arctan, exp, log, log10, erf, gamma and Bessel functions. * Supports three arbitrary precision data-types: mp_real, mp_int and mp_complex. * Supports many mixed-mode operations between arbitrary precision variables or constants and conventional variables or constants. * Includes special library routines, incorporating advanced algorithms for extra-high precision (above 1000 digits) computation. * Includes a number of sample application programs, including programs for quadrature (numerical definite integrals), PLSQ (integer relation finding) and polynomial root finding. * Includes the "Experimental Mathematician's Toolkit". This is a self-contained interactive program that performs many operations typical of modern experimental mathematics, including arithmetic expressions, common transcendental functions, infinite series evaluation, definite integrals, polynomial roots, user-defined functions, all evaluated to a user-defined level of numeric precision, up to 1000 decimal digits.

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