FunctionPackage: exclToCDocOverviewCGDocRelNotesFAQIndexPermutedIndex
Allegro CL version 10.0
Unrevised from 9.0 to 10.0.
9.0 version

exceptional-floating-point-number-p

Arguments: object

Returns true if object is a floating-point infinity or nan. Returns nil otherwise.

The actual value when true should not be depended upon, beyond its not being nil. The actual value may change in a new release or in an update without notice.

See also nanp and infinityp and the section on Floating-point infinities and NaNs, and floating-point underflow and overflow in implementation.htm.


Copyright (c) 1998-2019, Franz Inc. Oakland, CA., USA. All rights reserved.
This page was not revised from the 9.0 page.
Created 2015.5.21.

ToCDocOverviewCGDocRelNotesFAQIndexPermutedIndex
Allegro CL version 10.0
Unrevised from 9.0 to 10.0.
9.0 version