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IDProjectCategoryView StatusDate SubmittedLast Update
00019941003.1(2008)/Issue 7System Interfacespublic2026-07-29 08:402026-07-29 08:40
Reportertydeman Assigned Toajosey  
PrioritynormalSeverityEditorialTypeError
Status Under ReviewResolutionOpen 
NameFred Tydeman
OrganizationTydeman Consulting
User Referencehttps://pubs.opengroup.org/onlinepubs/9799919799/functions/exp.html
Sectionexp
Page NumberOnline version has no page number
Line NumberOnline version has no line number
Interp Status
Final Accepted Text
Summary0001994: exp() assumes default rounding
DescriptionIf the correct value would cause overflow, a range error shall occur
and exp(), expf(), and expl() shall return the value of the macro
HUGE_VAL, HUGE_VALF, and HUGE_VALL, respectively.

Desired ActionIt should be:

If the correct value would cause overflow, a range error shall occur.
If default rounding is in effect, exp(), expf(), and expl() shall
return the value of the macro HUGE_VAL, HUGE_VALF, and HUGE_VALL,
respectively.

This same issue may apply to many other math functions.
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Issue History

Date Modified Username Field Change
2026-07-29 08:40 tydeman New Issue
2026-07-29 08:40 tydeman Status New => Under Review
2026-07-29 08:40 tydeman Assigned To => ajosey