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Using a representation other than floating point may allow for more accurate results.
Recommendation | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
FLP02-C | Low | Probable | High | P2 | L3 |
Automated Detection
Checks for floating
Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Astrée |
| float-comparison | Partially checked | ||||||
| Axivion Bauhaus Suite |
| CertC-FLP02 | |||||||
| 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 |
| C0790 | |||||||
| LDRA tool suite |
| 56 S | Partially implemented | ||||||
| Parasoft C/C++test |
|
|
|
CERT_C-FLP02-a | Floating-point expressions shall not be tested for equality or inequality | ||||||||
| PC-lint Plus |
| 777, 9252 | Partially supported | ||||||
| Polyspace Bug Finder |
| CERT C: Rec. FLP02-C | Checks for floating point comparison with equality operators (rec. partially covered) | ||||||
| PVS-Studio |
| V550 | |||||||
| RuleChecker |
| float-comparison | Partially checked |
Related Vulnerabilities
Search for vulnerabilities resulting from the violation of this recommendation on the CERT website.
Related Guidelines
Bibliography
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