SEI CERT C Coding Standard

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When converting integers to floating-point values, and vice versa, it is important to carry out proper range checks to avoid undefined behavior. (See FLP34-C. Ensure that floating-point conversions are within range of the new type.)

Noncompliant Code Example

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CERT C++ Secure Coding StandardFLP33-CPP. Convert integers to floating point for floating point operations
CERT Oracle Secure Coding Standard for JavaNUM50-JG60. Convert integers to floating-point for floating-point operations
MITRE CWECWE-681, Incorrect conversion between numeric types
CWE-682, Incorrect calculation

Bibliography

[Hatton 1995]Section 2.7.3, "Floating-Point Misbehavior"

 

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