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Appendix A
In the process of the characterization, a list of scientific constants that might commonly be used in
floating point calculations were examined as potential divisors. These constants are shown in Table A-1
below. Two of these constants, indicated by the shaded rows, were identified as potentially problematic
based on the analysis in Section 4.2. To verify if these two constants were really at risk each was used as a
divisor with 100 billion random dividends with no errors found.
Table A-1 Engineering and Scientific Constants
Analyzed.
Table A-2 below contains the list of combinations of the aforementioned constants that were examined
additionally for possible occurrences of an error due to the flaw. No problem was found.
Table A-2 Constants Used in Combination
Table A-3 below indicates the commonly used multiples of the important constants and their multiples
that were checked. None of these multiples were found to be at risk.
Table A-3 Multiples of Common Constants
This applies to:
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