ptx-operand? ( object -- ? )

Vocabulary

cuda.ptx

Inputs and outputs

object	an object
?	a boolean

Word description

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

Definition

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

IN: cuda.ptx

: ptx-operand? ( object -- ? )
    dup tag 1 swap fixnum-shift-fast 41 fixnum-bitand 0 eq? not
    [ drop t ] [
        dup dup tuple? [
            layout-of
            7
            slot
            dup
            \ ptx-indirect
            eq?
            [ drop t ]
            [
                dup \ ptx-vector eq?
                [ drop t ] [ \ ptx-negation eq? ] if
            ]
            if
        ] [ drop f ] if [ drop t ] [ ptx-var? ] if
    ] if ;