--- a/main/optim/inst/dfxpdp.m	Fri Mar 30 15:02:12 2012 +0000
+++ b/main/optim/inst/dfxpdp.m	Fri Mar 30 15:14:48 2012 +0000
@@ -1,47 +1,46 @@
 %% Copyright (C) 2010, 2011 Olaf Till <olaf.till@uni-jena.de>
 %%
-%% This program is free software; you can redistribute it and/or modify
-%% it under the terms of the GNU General Public License as published by
-%% the Free Software Foundation; either version 2 of the License, or
-%% (at your option) any later version.
+%% This program is free software; you can redistribute it and/or modify it under
+%% the terms of the GNU General Public License as published by the Free Software
+%% Foundation; either version 3 of the License, or (at your option) any later
+%% version.
+%%
+%% This program is distributed in the hope that it will be useful, but WITHOUT
+%% ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+%% FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+%% details.
+%%
+%% You should have received a copy of the GNU General Public License along with
+%% this program; if not, see <http://www.gnu.org/licenses/>.
+
+%% function jac = dfxpdp (x, p, func[, hook])
+%%
+%% Returns Jacobian of func (p, x) with respect to p with finite
+%% differencing. The optional argument hook is a structure which can
+%% contain the following fields at the moment:
 %%
-%% This program is distributed in the hope that it will be useful,
-%% but WITHOUT ANY WARRANTY; without even the implied warranty of
-%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-%% GNU General Public License for more details.
+%% hook.f: value of func(p, x) for p and x as given in the arguments
+%%
+%% hook.diffp: positive vector of fractional steps from given p in
+%% finite differencing (actual steps may be smaller if bounds are
+%% given). The default is .001 * ones (size (p));
 %%
-%% You should have received a copy of the GNU General Public License
-%% along with this program; If not, see <http://www.gnu.org/licenses/>.
+%% hook.diff_onesided: logical vector, indexing elements of p for
+%% which only one-sided differences should be computed (faster); even
+%% if not one-sided, differences might not be exactly central if
+%% bounds are given. The default is false (size (p)).
+%%
+%% hook.fixed: logical vector, indexing elements of p for which zero
+%% should be returned instead of the guessed partial derivatives
+%% (useful in optimization if some parameters are not optimized, but
+%% are 'fixed').
+%%
+%% hook.lbound, hook.ubound: vectors of lower and upper parameter
+%% bounds (or -Inf or +Inf, respectively) to be respected in finite
+%% differencing. The consistency of bounds is not checked.
 
 function ret = dfxpdp (varargin)
 
-  %% function jac = dfxpdp (x, p, func[, hook])
-  %%
-  %% Returns Jacobian of func (p, x) with respect to p with finite
-  %% differencing. The optional argument hook is a structure which can
-  %% contain the following fields at the moment:
-  %%
-  %% hook.f: value of func(p, x) for p and x as given in the arguments
-  %%
-  %% hook.diffp: positive vector of fractional steps from given p in
-  %% finite differencing (actual steps may be smaller if bounds are
-  %% given). The default is .001 * ones (size (p));
-  %%
-  %% hook.diff_onesided: logical vector, indexing elements of p for
-  %% which only one-sided differences should be computed (faster); even
-  %% if not one-sided, differences might not be exactly central if
-  %% bounds are given. The default is false (size (p)).
-  %%
-  %% hook.fixed: logical vector, indexing elements of p for which zero
-  %% should be returned instead of the guessed partial derivatives
-  %% (useful in optimization if some parameters are not optimized, but
-  %% are 'fixed').
-  %%
-  %% hook.lbound, hook.ubound: vectors of lower and upper parameter
-  %% bounds (or -Inf or +Inf, respectively) to be respected in finite
-  %% differencing. The consistency of bounds is not checked.
-
-
   %% This is an interface to __dfdp__.m.
 
   if (ischar (varargin{3}))
@@ -52,3 +51,5 @@
   end
 
   ret = __dfdp__ (varargin{2:end});
+
+end