SEI CERT C Coding Standard

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Comment: REM Cost Reform

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Failure to understand the limitations in precision of floating-point-represented numbers and their implications on the arrangement of expressions can cause unexpected arithmetic results.

Recommendation

Severity

Likelihood

Remediation Cost

Detectable

Repairable

Priority

Level

FLP01-C

Low

Probable

High

No

No

P2

L3

Related Vulnerabilities

Search for vulnerabilities resulting from the violation of this recommendation on the CERT website.

Related Guidelines

SEI CERT C++ Coding StandardFLP01-CPP. Take care in rearranging floating-point expressions
ISO/IEC TR 24772:2013Floating-point Arithmetic [PLF]

Bibliography

[ISO/IEC 9899:2011]Subclause 5.1.2.3, "Program Execution"

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