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Changeset 3392 for branches


Ignore:
Timestamp:
2015-08-27T08:55:05-07:00 (9 years ago)
Author:
Marek Rychlik
Message:

* empty log message *

File:
1 edited

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  • branches/f4grobner/symbolic-polynomial.lisp

    r3382 r3392  
    8686           (- (case (length expr)
    8787                (1 (make-poly-zero))
    88                 (2 (poly-uminus ring (p-eval (cadr expr))))
    89                 (3 (poly-sub ring-and-order (p-eval (cadr expr)) (p-eval (caddr expr))))
    90                 (otherwise (poly-sub ring-and-order (p-eval (cadr expr))
    91                                      (reduce #'p-add (p-eval-list (cddr expr)))))))
     88                (2 (r- (p-eval (cadr expr))))
     89                (3 (r- (p-eval (cadr expr)) (p-eval (caddr expr))))
     90                (otherwise (r- (p-eval (cadr expr))
     91                               (reduce #'r+ (p-eval-list (cddr expr)))))))
    9292           (*
    9393            (if (endp (cddr expr))      ;unary
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