broadcastable? ( sa0 sa1 -- ? )

Vocabulary

arrays.shaped

Inputs

sa0	a shaped-array
sa1	a shaped-array

Outputs

?

a boolean

Word description

Tests whether two shapes can broadcast under the trailing-axis rules used by output-shape. This checks shapes without copying either array's elements. Elementwise addition, subtraction and multiplication use these rules.

Definition

USING: arrays.shaped.private sequences ;

IN: arrays.shaped

: broadcastable? ( sa0 sa1 -- ? )
    aligned-shapes [ compatible-dimensions? ] 2all? ;