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Rational Arithmetic For Mini-Computers

Research and Teaching Output of the MIT Community

Show simple item record Horn, Berthold K.P. 2008-08-26T15:56:39Z 2008-08-26T15:56:39Z 1977-09
dc.description This report describes research done at the Artificial Intelligence Laboratory of the Massachusetts Institute of Technology. Support for the laboratory's artificial intelligence research is provided in part by the Advanced Research Projects Agency of the Department of Defense under Office of Naval Research contract N00014-75-A-0643. en
dc.description.abstract A representation for numbers using two computer words is discussed, where the value represented is the ratio of the corresponding integers. This allows for better dynamic range and relative accuracy than single-precision fixed point, yet is less costly than floating point arithmetic. The scheme is easy to implement and particularly well suited for mini-computer applications that call for a great deal of numerical computation. The techniques described have been used to implement a mathematical function subroutine package for a mini-computer as well as a number of applications programs in the machine vision and machine manipulation area. en
dc.description.sponsorship MIT Artificial Intelligence Laboratory Department of Defense Advanced Research Projects Agency en
dc.language.iso en_US en
dc.publisher MIT Artificial Intelligence Laboratory en
dc.relation.ispartofseries MIT Artificial Intelligence Laboratory Working Papers, WP-153;
dc.title Rational Arithmetic For Mini-Computers en
dc.type Working Paper en

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