This page is a snapshot from the LWG issues list, see the Library Active Issues List for more information and the meaning of NAD Concepts status.

1017. Floating-point types should not satisfy Regular

Section: 99 [concept.regular] Status: NAD Concepts Submitter: Alisdair Meredith Opened: 2009-03-11 Last modified: 2016-01-28

Priority: Not Prioritized

View all issues with NAD Concepts status.

Discussion:

Addresses US 66

Application of the Regular concept to floating-point types appears to be controversial (see long discussion on std-lib reflector).

Original proposed resolution:

State that the Regular concept does not apply to floating-point types.

[ Summit: ]

Recommend that we handle the same as JP 33 / 1016⁽ⁱ⁾.

[ Post Summit, Alisdair adds: ]

Recommend Open, and review after resolution of 902⁽ⁱ⁾ and revised axiom feature.

Proposed resolution: