[movitz-cvs] CVS update: movitz/losp/muerte/sequences.lisp

[Frode Vatvedt Fjeld]

Update of /project/movitz/cvsroot/movitz/losp/muerte
In directory common-lisp.net:/tmp/cvs-serv7737

Modified Files:
	sequences.lisp 
Log Message:
Somewhat improved concatenate, for (eq result-type 'vector).

Date: Thu Jun 10 06:51:24 2004
Author: ffjeld

Index: movitz/losp/muerte/sequences.lisp
diff -u movitz/losp/muerte/sequences.lisp:1.9 movitz/losp/muerte/sequences.lisp:1.10
--- movitz/losp/muerte/sequences.lisp:1.9	Thu Jun 10 05:21:11 2004
+++ movitz/losp/muerte/sequences.lisp	Thu Jun 10 06:51:24 2004
@@ -10,7 +10,7 @@
 ;;;; Author:        Frode Vatvedt Fjeld <frodef at acm.org>
 ;;;; Created at:    Tue Sep 11 14:19:23 2001
 ;;;;                
-;;;; $Id: sequences.lisp,v 1.9 2004/06/10 12:21:11 ffjeld Exp $
+;;;; $Id: sequences.lisp,v 1.10 2004/06/10 13:51:24 ffjeld Exp $
 ;;;;                
 ;;;;------------------------------------------------------------------
 
@@ -1600,6 +1600,15 @@
     (copy-seq (first sequences)))
    ((= 0 (length (first sequences)))
     (apply #'concatenate result-type (cdr sequences)))
+   ((eq result-type 'vector)
+    (let* ((r (make-array (let ((length 0))
+			    (dolist (s sequences length)
+			      (incf length (length s))))))
+	   (i 0))
+      (dolist (s sequences)
+	(replace r s :start1 i)
+	(incf i (length s)))
+      r))
    (t (error "Can't concatenate ~S yet: ~:S" result-type sequences))))