SEI CERT C Coding Standard

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Old Version 111

changes.mady.by.user Jill Britton

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changes.mady.by.user David Svoboda

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Comment: REM Cost Reform

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Recommendation

Severity

Likelihood

Detectable

RepairableRemediation Cost

Priority

Level

FLP02-C

Low

Probable

No

NoHigh

P2

L3

Automated Detection

Checks for floating

Floating 0790

Tool

Version

Checker

Description

Astrée
Include Page
Astrée_V
Astrée_V
float-comparisonPartially checked
Axivion Bauhaus Suite

Include Page
Axivion Bauhaus Suite_V
Axivion Bauhaus Suite_V

CertC-FLP02
CodeSonar

Include Page
CodeSonar_V
CodeSonar_V

LANG.ARITH.FPEQUAL

Floating point equality

Compass/ROSE



Can detect violations of this recommendation. In particular, it checks to see if the arguments to an equality operator are of a floating-point type

Helix QAC

Include Page
Helix QAC_V
Helix QAC_V

C0790
LDRA tool suite
Include Page
LDRA_V
LDRA_V
56 SPartially implemented
Parasoft C/C++test
Include Page
Parasoft_V
Parasoft_V

CERT_C-FLP02-a

Floating-point expressions shall not be tested for equality or inequality
PC-lint Plus

Include Page
PC-lint Plus_V
PC-lint Plus_V

777, 9252

Partially supported

Polyspace Bug Finder

Include Page
Polyspace Bug Finder_V
Polyspace Bug Finder_V

CERT C: Rec. FLP02-C

Checks for floating point comparison with equality operators

Imprecise comparison of floating-point variables

PRQA QA-C
Include Page
PRQA QA-C_vPRQA QA-C_v

(rec. partially covered)

PVS-Studio

Include Page
PVS-Studio_V
PVS-Studio_V

V550
RuleChecker
Include Page
RuleChecker_V
RuleChecker_V
float-comparisonPartially checked

Related Vulnerabilities

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

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