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Changeset 3443 for branches


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Timestamp:
2015-09-05T09:12:44-07:00 (9 years ago)
Author:
Marek Rychlik
Message:

* empty log message *

File:
1 edited

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  • branches/f4grobner/monom.lisp

    r3442 r3443  
    125125     (error "Initarg DIMENSION or EXPONENTS must be supplied."))))
    126126
    127 (defmethod monom-dimension (m)
    128   (length (monom-exponents ,m)))
    129 
    130 (defmethod monom-equalp (m1 m2)
    131   "Returns T iff monomials M1 and M2 have identical
    132 EXPONENTS."
    133   `(equalp (monom-exponents ,m1) (monom-exponents ,m2)))
    134 
    135 (defmethod monom-elt (m index)
    136   "Return the power in the monomial M of variable number INDEX."
    137   (with-slots (exponents)
    138       m
    139     (elt exponents index)))
    140 
    141 (defmethod (setf monom-elt) (new-value m index)
    142   "Return the power in the monomial M of variable number INDEX."
    143   (with-slots (exponents)
    144       m
    145     (setf (elt exponents index) new-value)))
     127(defgeneric monom-dimension (m)
     128  (:method ((m monom))
     129    (length (monom-exponents m))))
     130
     131(defgeneric monom-equalp (m1 m2)
     132  (:documentation "Returns T iff monomials M1 and M2 have identical EXPONENTS.")
     133  (:method ((m1 monom) (m2 monom))
     134  `(equalp (monom-exponents ,m1) (monom-exponents ,m2))))
     135
     136(defgeneric monom-elt (m index)
     137  (:documentation
     138   "Return the power in the monomial M of variable number INDEX.")
     139  (:method ((m monom) index)
     140    (with-slots (exponents)
     141        m
     142      (elt exponents index))))
     143
     144(defgeneric (setf monom-elt) (new-value m index)
     145  (:documentation "Return the power in the monomial M of variable number INDEX.")
     146  (:method (new-value (m monom) index)
     147    (with-slots (exponents)
     148        m
     149      (setf (elt exponents index) new-value)))
    146150
    147151(defmethod monom-total-degree (m &optional (start 0) (end (monom-dimension m)))
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