null-matrix? ( object -- ? )
Matrix operations

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Vocabulary
math.matrices

Inputs and outputs

object	an object
?	a boolean

Word description
Tests if the object is an instance of the null-matrix class.

Definition

USING: kernel sequences sequences.deep ;

IN: math.matrices

: null-matrix? ( object -- ? )
    dup matrix? [ flatten empty? ] [ drop f ] if ;