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Changeset 1113


Ignore:
Timestamp:
2015-06-10T12:38:02-07:00 (10 years ago)
Author:
Marek Rychlik
Message:

* empty log message *

File:
1 edited

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Unmodified
Added
Removed

  • branches/f4grobner/polynomial.lisp

    r1112 r1113  
    282282                 ;; A special case (/ x)
    283283                 (apply (ring-div ring) (cdr expr)))
     284                ((endp (cdddr expr))
     285                 (let ((num (p-eval (cadr expr)))
     286                       (denom-inverse (p-eval-scalar (cons '/ (last expr)))))
     287                   (scalar-times-poly ring denom-inverse denom)))
    284288                (t
    285289                 (let ((num (p-eval (cons '* (cdr (butlast expr)))))
    286                        (denom (p-eval-scalar (cons '/ (last expr)))))))))
     290                       (denom (p-eval-scalar (cons '/ (last expr)))))
     291                   (cons num denom)))))
    287292         (expt
    288293          (cond
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