Inherent imprecision of floating point variables

Steve Emmerson steve at groucho.ucar.edu
Mon Jul 9 12:24:41 AEST 1990


In <11035 at alice.UUCP> ark at alice.UUCP (Andrew Koenig) writes:

>Granted by the IEEE floating-point standard, for one thing.
>If I am using a system whose vendor claims that it supports
>IEEE floating point, then I can expect that

>	input conversion on a floating point number with an
>	exact representation will be exact;

An earlier discussion of the IEEE standard indicated that it allows an
exactly-representable value to be off by by one bit.

Is this, then, incorrect?

Steve Emmerson        steve at unidata.ucar.edu        ...!ncar!unidata!steve



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