Changeset 3077 for branches

Timestamp:

2015-06-21T18:30:48-07:00 (10 years ago)

Author:

Marek Rychlik

Message:

* empty log message *

File:

• branches/f4grobner/polynomial.lisp (modified) (3 diffs)

branches/f4grobner/polynomial.lisp

@@ -306 +306 @@
         (t (monom-dimension (leading-term poly)))))
 
-(defun saturation-extension (F plist 
+(defun saturation-extension (plist 
                              &aux 
                                (plist (poly-standard-extension plist))
                                (dim (poly-dimension (car plist))))
-  "Calculate [F, U1*P1-1,U2*P2-1,...,UK*PK-1], where PLIST=[P1,P2,...,PK]."
+  "Calculate [U1*P1-1,U2*P2-1,...,UK*PK-1], where PLIST=[P1,P2,...,PK]."
   (flet ((subtract-1 (p) 
            (append-item p (make-instance 'term :coeff -1 :dimension dim))))
@@ -316 +316 @@
     (setf plist (mapc #'subtract-1 plist))
     (print plist))
-  (nconc F plist))
+  plist)
 
 
@@ -326 +326 @@
                                    (f (poly-list-add-variables f k))
                                    ;; Set PLIST to [U1*P1,U2*P2,...,UK*PK]
-                                   (plist (apply #'poly-append (poly-standard-extension plist))))
+                                   (plist (apply #'nconc (poly-standard-extension plist))))
   "Calculate [F, U1*P1+U2*P2+...+UK*PK-1], where PLIST=[P1,P2,...,PK]. It destructively modifies F."
   ;; Add -1 as the last term