SEI CERT C Coding Standard

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For information regarding floating-point number conversions, see FLP34-C. Ensure that floating-point conversions are within range of the new type.

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Operating System

How to Handle Floating-Point Errors

Linux
Solaris 10
AIX 5.3
HP-UX 11.31
Mac OS X 10.5

Use the C floating-point exception functions.

Windows

Use either the C floating-point exception functions or structured exception handling through _fpieee_flt [MSDN].

Noncompliant Code Example

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CERT C++ Secure Coding StandardFLP03-CPP. Detect and handle floating point errors
MITRE CWECWE-369, Divide by zero

Bibliography

[IEEE 754] 
[Intel 2001] 
[Keil 2008] 
[MSDN]"fpieee_flt (CRT)"
[Open Group 2004]"fenv.h - Floating-point environment"
[SecurityFocus 2007]