Algorithm 524: MP, A Fortran Multiple-Precision Arithmetic Package [A1]
Richard P. Brent · ACM Transactions on Mathematical Software · 1978
The design of the package and the theoretical background for the algorithms used are given in [1].Details of calling sequences, etc., are given in the comments included here and in [2]. ALGORITHM[Only that portion of the listing which gives the introductory comments and a small example program is printed here.The complete listing, together with a Users' Guide giving further details, is available from the AC5~I Algorithms Distribution Service (see inside back cover for order form).]