SEI CERT Oracle Coding Standard for Java

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Title: NUM07-J. Do not attempt comparisons with NaN  
Author: Dhruv Mohindra Aug 02, 2008
Last Changed by: David Svoboda Aug 06, 2025
Tiny Link: (useful for email) https://wiki.sei.cmu.edu/confluence/x/wzdGBQ
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SEI CERT Oracle Coding Standard for Java (2)
    Page: NUM08-J. Check floating-point inputs for exceptional values
    Page: NUM04-J. Do not use floating-point numbers if precise computation is required
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Parent Page
    Page: Rule 03. Numeric Types and Operations (NUM)
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Recent Changes
Time Editor  
Aug 06, 2025 10:21 Jill Britton View Changes
REM cost reform
Jul 24, 2025 08:50 Jill Britton View Changes
Jun 25, 2021 08:12 Svyatoslav Razmyslov View Changes
May 18, 2021 08:39 Michal Rozenau View Changes
Parasoft Jtest 2021.1
Mar 31, 2021 13:36 Jon O'Donnell  
Outgoing Links
External Links (6)
    https://wiki.sei.cmu.edu/confluence/display/java/PVS-Studio
    https://pvs-studio.com/en/docs/warnings/v6038/
    findbugs.sourceforge.net/bugDescriptions.html#FE_TEST_IF_EQ…
    https://www.securecoding.cert.org/confluence/display/java/P…
    https://www.safaribooksonline.com/library/view/secure-codin…
    docs.oracle.com/javase/specs/jls/se8/html/jls-4.html#jls-4.…
SEI CERT Oracle Coding Standard for Java (9)     Page: Klocwork
    Page: PVS-Studio_V
    Page: Klocwork_V
    Page: Parasoft_V
    Page: Rule AA. References
    Page: NUM04-J. Do not use floating-point numbers if precise computation is required
    Page: NUM08-J. Check floating-point inputs for exceptional values
    Home page: SEI CERT Oracle Coding Standard for Java
    Page: Rule 03. Numeric Types and Operations (NUM)