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Changeset 2805 for branches


Ignore:
Timestamp:
2015-06-20T21:57:44-07:00 (10 years ago)
Author:
Marek Rychlik
Message:

* empty log message *

File:
1 edited

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  • branches/f4grobner/term.lisp

    r2730 r2805  
    105105|#
    106106
    107 (defmethod r* :around ((term1 term) (term2 term))
    108   "Returns the product of the terms TERM1 and TERM2,
    109 or NIL when the product is 0. This definition takes care of divisors of 0
    110 in the coefficient ring."
    111   (let ((result (change-class (call-next-method) 'term)))
    112     (setf (r-coeff result) (r* (r-coeff term1) (r-coeff term2)))
    113     result))
    114 
    115 (defmethod multiply-by ((self term) (other monom))
    116   "Returns the product of the terms TERM1 and TERM2,
    117 or NIL when the product is 0. This definition takes care of divisors of 0
    118 in the coefficient ring."
     107(defmethod multiply-by ((self term) (other term))
     108  "Multiply terms SELF and OTHER and store the result into SELF.
     109It returns SELF."
    119110  (setf (r-coeff self) (multiply-by (r-coeff self) (r-coeff other)))
    120   self)
    121 
    122 (defmethod multiply-by ((self term) (other scalar))
    123   "Returns the product of the terms TERM1 and TERM2,
    124 or NIL when the product is 0. This definition takes care of divisors of 0
    125 in the coefficient ring."
    126   (setf (r-coeff self) (multiply-by (r-coeff self) other))
    127111  self)
    128112
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