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Add documentation for the predicates in the previous commit

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This commit is contained in:
Leif Andersen 2017-03-01 13:35:11 -05:00
parent c911e4b52d
commit edf4bcfe78
1 changed files with 17 additions and 1 deletions
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18
pkgs/racket-doc/scribblings/reference/numbers.scrbl
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@ -1280,7 +1280,23 @@ Returns @racket[#t] if @racket[x] is @racket[eqv?] to @racket[+nan.0] or @racket
@defproc[(infinite? [x real?]) boolean?]{
Returns @racket[#t] if @racket[z] is @racket[+inf.0], @racket[-inf.0], @racket[+inf.f], @racket[-inf.f]; otherwise @racket[#f].}
Returns @racket[#t] if @racket[x] is @racket[+inf.0], @racket[-inf.0], @racket[+inf.f], @racket[-inf.f]; otherwise @racket[#f].}
@defproc[(positive-integer? [x any/c]) boolean?]{
Like @racket[exact-positive-integer?], but also returns
@racket[#t] for positive @racket[inexact?] integers.}
@defproc[(negative-integer? [x any/c]) boolean?]{
Like @racket[exact-negative-integer?], but also returns
@racket[#t] for negative @racket[inexact?] integers.}
@defproc[(nonpositive-integer? [x any/c]) boolean?]{
Like @racket[exact-nonpositive-integer?], but also returns
@racket[#t] for non-positive @racket[inexact?] integers.}
@defproc[(nonnegative-integer? [x any/c]) boolean?]{
Like @racket[exact-nonnegative-integer?], but also returns
@racket[#t] for non-negative @racket[inexact?] integers.}
@; ----------------------------------------------------------------------
@close-eval[math-eval]