A Fortran multiple-precision arithmetic package
42. R. P. Brent,
A Fortran multiple-precision arithmetic package,
ACM Transactions on Mathematical Software 4 (1978), 57-70.
A collection of ANSI Standard Fortran subroutines for performing
multiple-precision floating-point arithmetic and evaluating elementary
and special functions is described. The subroutines are machine independent
and the precision is arbitrary, subject to storage limitations.
The design of the package is discussed, some of the algorithms are
described, and test results are given.
This paper describes the algorithms used in the
A later paper on "unrestricted" algorithms for high-precision computations is
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