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Changeset 2055 for branches


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Timestamp:
2015-06-17T18:51:01-07:00 (9 years ago)
Author:
Marek Rychlik
Message:

* empty log message *

File:
1 edited

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  • branches/f4grobner/monom.lisp

    r2054 r2055  
    132132    (setf (elt exponents index) new-value)))
    133133
    134 (defmethod ring-total-degree ((m monom) &optional (start 0) (end (dimension m)))
     134(defmethod total-degree ((m monom) &optional (start 0) (end (dimension m)))
    135135  "Return the todal degree of a monomoal M. Optinally, a range
    136136of variables may be specified with arguments START and END."
     
    146146  (monom-total-degree m start end))
    147147
    148 (defmethod monom-mul ((m1 monom) (m2 monom))  &aux (result (copy-seq m1)))
     148(defmethod mul ((m1 monom) (m2 monom))  &aux (result (copy-seq m1)))
    149149"Multiply monomial M1 by monomial M2."
    150150  (with-slots ((exponents1 exponents))
     
    157157        (make-instance 'monom :dim dim :exponents exponents)))))
    158158
    159 (defmethod monom-div ((m1 monom) (m2 monom))
     159(defmethod div ((m1 monom) (m2 monom))
    160160  "Divide monomial M1 by monomial M2."
    161161  (with-slots ((exponents1 exponents))
     
    168168        (make-instance 'monom :dim dim :exponents exponents)))))
    169169
    170 (defmethod monom-divides-p ((m1 monom) (m2 monom))
     170(defmethod divides-p ((m1 monom) (m2 monom))
    171171  "Returns T if monomial M1 divides monomial M2, NIL otherwise."
    172172  (with-slots ((exponents1 exponents))
     
    176176      (every #'<= exponents1 exponents2))))
    177177
    178 #|
    179 
    180 (defun monom-divides-monom-lcm-p (m1 m2 m3)
    181   "Returns T if monomial M1 divides MONOM-LCM(M2,M3), NIL otherwise."
    182   (declare (type monom m1 m2 m3))
     178(defmethod divides-lcm-p ((m1 monom) (m2 monom) (m3 monom))
     179  "Returns T if monomial M1 divides LCM(M2,M3), NIL otherwise."
    183180  (every #'(lambda (x y z) (<= x (max y z)))
    184181         m1 m2 m3))
    185 
    186182
    187183
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