- Timestamp:
- 2016-06-06T19:54:40-07:00 (9 years ago)
- File:
-
- 1 edited
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branches/f4grobner/ring.lisp
r4377 r4378 110 110 111 111 (defgeneric subtract (minuend &rest subtrahends) 112 "Successively subtracts SUBTRAHENDS from MINUEND. MINUEND. must not be destructively modified. 113 Instead, a copy of factor should be made and returned as the value of this function." 112 "Successively subtracts SUBTRAHENDS from MINUEND, using SUBTRACT-FROM. MINUEND. must not be destructively modified. 113 Instead, a copy of factor should be made and returned as the value of 114 this function." 114 115 (:method ((minuend t) &rest subtrahends) 115 116 (cond ((endp subtrahends) (unary-minus (copy-instance minuend)))
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