ptx-float-ftz? ( object -- ? )

Vocabulary

cuda.ptx

Inputs and outputs

object	an object
?	a boolean

Word description

Tests if the object is an instance of the ptx-float-ftz class.

Definition

USING: classes.tuple.private kernel math.private slots.private ;

IN: cuda.ptx

: ptx-float-ftz? ( object -- ? )
    dup dup tuple? [
        layout-of
        dup
        1
        slot
        13
        fixnum>=
        [
            13
            slot
            dup
            \ neg
            eq?
            [ drop t ]
            [
                dup \ min eq?
                [ drop t ]
                [ dup \ max eq? [ drop t ] [ \ abs eq? ] if ] if
            ]
            if
        ]
        [ drop f ]
        if
    ] [ drop f ] if [ drop t ] [ ptx-float-env? ] if ;