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The Computer Journal 1989 32(5):432-436; doi:10.1093/comjnl/32.5.432
© 1989 by British Computer Society
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Towards a Formal Specification of Floating Point

B. A. Wichmann *

Department of Trade and Industry, National Physical Laboratory, Teddington, Middlesex, TW11 0LW, UK

Although the concept of floating point is well understood, a formal mathematical treatment appears to be new. This paper presents a formal definition of floating point using the Vienna Development Method (VDM). The relationship between this definition and the information definition in the Ada Standard2 and the work of W.S. Brown1 is discussed.

Received December 1987. revised January 1988.

* Department of Trade and Industry, National Physical Laboratory, Teddington, Middlesex, TW11 0LW


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