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

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[project @ 2007-11-08 02:29:23 by jwe]
author jwe
date Thu, 08 Nov 2007 02:29:24 +0000
parents a1dbe9d80eee
children
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--- a/scripts/quaternion/qmult.m	Thu Nov 08 01:09:44 2007 +0000
+++ b/scripts/quaternion/qmult.m	Thu Nov 08 02:29:24 2007 +0000
@@ -40,7 +40,11 @@
 ## Adapted-By: jwe
 
 function retval = qmult (a, b)
-  
+
+  if (nargin != 2 )
+    print_usage ();
+  endif
+
   [a1, b1, c1, d1] = quaternion (a);
   [a2, b2, c2, d2] = quaternion (b);