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Timestamp:
2015-08-27T16:29:24-07:00 (9 years ago)
Author:
Marek Rychlik
Message:

* empty log message *

File:
1 edited

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  • branches/f4grobner/monom.lisp

    r3331 r3409  
    158158        other
    159159      (unless (= (length exponents1) (length exponents2))
    160         (error "Incompatible dimensions"))
     160        (error "divide-by: Incompatible dimensions."))
     161      (unless (every #'>= exponents1 exponents2)
     162        (error "divide-by: Negative power would result.")
    161163      (map-into exponents1 #'- exponents1 exponents2)))
    162164  self)
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