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changeset 6391:3f3e86e9fb57

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[project @ 2007-03-07 18:14:44 by jwe]
author jwe
date Wed, 07 Mar 2007 18:14:44 +0000
parents 334499d75c5c
children e8c42df3d234
files scripts/ChangeLog scripts/specfun/factorial.m scripts/specfun/perms.m
diffstat 3 files changed, 10 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/ChangeLog
+++ b/scripts/ChangeLog
@@ -1,3 +1,7 @@
+2007-03-07  Muthiah Annamalai  <muthuspost@gmail.com>
+
+	* specfun/perms.m, specfun/factorial.m: Check args.
+
 2007-03-07  John W. Eaton  <jwe@octave.org>
 
 	* plot/mesh.m: Call newplot before doing anything.
--- a/scripts/specfun/factorial.m
+++ b/scripts/specfun/factorial.m
@@ -25,7 +25,9 @@
 ## @end deftypefn
 
 function x = factorial (n)
-  if (any (n(:) < 0))
+  if (nargin != 1)
+    print_usage ();
+  elseif (any (n(:) < 0))
     error ("factorial: n be be a scalar or array of positive integers");
   endif
   if (isscalar (n))
--- a/scripts/specfun/perms.m
+++ b/scripts/specfun/perms.m
@@ -27,6 +27,9 @@
 ## @end deftypefn
 
 function A = perms (v)
+  if (nargin != 1)
+    print_usage ();
+  endif
   v = v(:);
   n = length (v);
   if (n == 1)