check for a positive integer - Maple Help

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type/posint - check for a positive integer

type/negint - check for a negative integer

type/nonnegint - check for a non-negative integer

type/nonposint - check for a non-positive integer

Calling Sequence

type(x, posint)

type(x, negint)

type(x, nonnegint)

type(x, nonposint)

Parameters

x

-

any expression

Description

• 

The functions type(x, posint), type(x, negint), type(x, nonnegint), and type(x, nonposint) return true if x is a positive, negative, non-negative, or non-positive integer, respectively.  Otherwise, false is returned.

Examples

type3,posint

true

(1)

type5,negint

true

(2)

type0,nonnegint

true

(3)

typex,negint

false

(4)

type3.5,posint

false

(5)

type3,nonposint

true

(6)

See Also

integer, type, type/integer, type/negative, type/nonnegative, type/nonpositive, type/positive


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