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### 690. abs(long long) should return long long

Section: 28.7 [c.math] Status: NAD Editorial Submitter: Niels Dekker Opened: 2007-06-10 Last modified: 2016-01-28

Priority: Not Prioritized

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Discussion:

Quoting the latest draft (n2135), 28.7 [c.math]:

> The added signatures are:

> >     long abs(long); // labs()
> >     long abs(long long); // llabs()

Shouldn't `abs(long long)` have `long long` as return type?

Proposed resolution:

Change 28.7 [c.math]:

>     long long abs(long long); // llabs()

Rationale:

Had already been fixed in the WP by the time the LWG reviewed this.