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type/extended_numeric

check for an object of type extended_numeric

 

Calling Sequence

Parameters

Description

Subtypes

Supertypes

Examples

Calling Sequence

type(x, extended_numeric)

Parameters

x

-

any expression

Description

• 

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.

Subtypes

• 

type/extended_rational, type/float, type/numeric, type/real_infinity, type/undefined

Supertypes

• 

type/algebraic, type/atomic

Examples

type1,extended_numeric

true

(1)

type12,extended_numeric

true

(2)

type1.5,extended_numeric

true

(3)

typeName,extended_numeric

false

(4)

typeab,extended_numeric

false

(5)

type∞,extended_numeric

true

(6)

typeFloatundefined,numeric

false

(7)

typeFloatundefined,extended_numeric

true

(8)

See Also

infinity

type

type/extended_rational

type/finite

type/float

type/fraction

type/infinity

type/integer

type/rational

type/realcons

type/undefined

undefined