check for an object of type numeric - Maple Help

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type/numeric - check for an object of type numeric

type/extended_numeric - check for an object of type extended_numeric

Calling Sequence

type(x, numeric)

type(x, extended_numeric)

Parameters

x

-

any expression

Description

• 

The type(x, numeric) function returns true if x is an integer, fraction, or finite floating-point number.

• 

The type(x, extended_numeric) function returns true if x is a numeric, infinity, -infinity, or undefined.

  

Note:  Float(infinity) and Float(undefined) are of type extended_numeric, but not of type numeric.

Examples

type1,numeric

true

(1)

type12,numeric

true

(2)

type0.5,numeric

true

(3)

typeName,numeric

false

(4)

typeab,numeric

false

(5)

type∞,extended_numeric

true

(6)

typeFloatundefined,numeric

false

(7)

typeFloatundefined,extended_numeric

true

(8)

See Also

infinity, type, type/finite, type/float, type/fraction, type/infinity, type/integer, type/rational, type/realcons, type/undefined, undefined


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