Mercurial > octave-nkf

diff scripts/quaternion/qinv.m @ 7125:f084ba47812b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
[project @ 2007-11-08 02:29:23 by jwe]
author jwe
date Thu, 08 Nov 2007 02:29:24 +0000
parents a1dbe9d80eee
children
line wrap: on
line diff
--- a/scripts/quaternion/qinv.m	Thu Nov 08 01:09:44 2007 +0000
+++ b/scripts/quaternion/qinv.m	Thu Nov 08 02:29:24 2007 +0000
@@ -32,6 +32,10 @@
 
 function retval = qinv (q)
 
+  if (nargin !=  1)
+    print_usage ();
+  endif
+
   if (norm (q) != 0)
     retval = qconj (q) / sum (q .* q);
   else