define-dual ( word -- )

Vocabulary

math.dual

Inputs

word

a word

Outputs

None

Word description

Defines a word d[word] in the math.dual vocabulary that operates on dual numbers.

Notes

Uses the derivative word-prop, which holds a list of quotations giving the partial derivatives of the word with respect to each of its arguments. This can be set using DERIVATIVE:.

See also

dual-op, DERIVATIVE:

Definition

USING: accessors effects kernel math.dual.private sequences
words ;

IN: math.dual

: define-dual ( word -- )
    [ name>> "d" prepend "math.dual" create-word ] keep
    [ stack-effect set-stack-effect ] [ set-dual-help ]
    [ [ dual-op ] curry define ] 2tri ;