Accession Number : AD0650620

Title :   VARYING LENGTH FLOATING POINT ARITHMETIC: A NECESSARY TOOL FOR THE NUMERICAL ANALYST.

Descriptive Note : Technical rept.,

Corporate Author : STANFORD UNIV CALIF DEPT OF COMPUTER SCIENCE

Personal Author(s) : Tienari,Martti

Report Date : 17 APR 1967

Pagination or Media Count : 42

Abstract : The traditional floating point arithmetic of scientific computers is biased towards fast and easy production of numerical results without enough provision to enable the programmer to control and solve problems connected with numerical accuracy and cumulative round-off errors. The report suggests the varying length floating point arithmetic as a general purpose solution for most of these problems. Some general philosophies are outlined for applications of this feature in numerical analysis. The idea is analyzed further discussing hardware and software implementations.

Descriptors :   (*NUMERICAL ANALYSIS, ACCURACY), (*PROGRAMMERS, PROBLEM SOLVING), ERRORS, CONTROL SYSTEMS, COMPUTER PERSONNEL, PROGRAMMING LANGUAGES, COMPUTER OPERATORS, SPECIFICATIONS, DIGITAL COMPUTERS, ALGORITHMS

Subject Categories : Theoretical Mathematics
      Computer Programming and Software
      Computer Hardware

Distribution Statement : APPROVED FOR PUBLIC RELEASE