neg? ( x -- ? )

Vocabulary

math

Inputs

x

an object

Outputs

?

a boolean

Word description

Pushes t if x is negative, else f

Definition

IN: math

GENERIC: neg? ( x -- ? )

Methods

USING: math ;

M: float neg? fp-sign ; inline


USING: math ;

M: ratio neg? numerator neg? ; inline


USING: math ;

M: rational neg? 0 < ; inline