fp-sign ( x -- ? )

Vocabulary

math

Inputs

x

a float

Outputs

?

a boolean

Word description

Outputs the sign bit of x. For ordered non-zero values, this is equivalent to calling 0 <. For zero values, this outputs the zero's sign bit.

Definition

IN: math

GENERIC: fp-sign ( x -- ? )

Methods

USING: math ;

M: float fp-sign double>bits 63 bit? ; inline