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Changeset 3433 for branches/f4grobner


Ignore:
Timestamp:
2015-08-27T18:11:25-07:00 (9 years ago)
Author:
Marek Rychlik
Message:

* empty log message *

File:
1 edited

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  • branches/f4grobner/polynomial.lisp

    r3432 r3433  
    314314(defmethod r- ((minuend poly) &rest subtrahends)
    315315  "Non-destructively subtract MINUEND and SUBTRAHENDS."
    316   (subtract-from (copy-instance minuend) (reduce #'r+ subtrahends)))
     316  (subtract-from (copy-instance minuend)
     317                 (change-class (reduce #'r+ subtrahends) 'poly)))
    317318
    318319(defmethod r+ ((poly1 term) poly2)
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