+
−## Copyright (C) 2007-2012 John W. Eaton
+
−##
+
−## This file is part of Octave.
+
−##
+
−## Octave is free software; you can redistribute it and/or modify it
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−## 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.
+
−##
+
−## Octave 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 Octave; see the file COPYING.  If not, see
+
−## <http://www.gnu.org/licenses/>.
+
−
+
−## -*- texinfo -*-
+
−## @deftypefn {Function File} {} cast (@var{val}, @var{type})
+
−## Convert @var{val} to data type @var{type}.
+
−## @seealso{int8, uint8, int16, uint16, int32, uint32, int64, uint64, double}
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−## @end deftypefn
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−
+
−## Author: jwe
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−
+
−function retval = cast (val, typ)
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−
+
−  if (nargin == 2)
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−    if (ischar (typ))
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−      if (any (strcmp (typ, {"int8"; "uint8"; "int16"; "uint16";
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−                             "int32"; "uint32"; "int64"; "uint64";
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−                             "double"; "single"; "logical"; "char"})))
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−        retval = feval (typ, val);
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−      else
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−        error ("cast: type name `%s' is not a built-in type", typ);
+
−      endif
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−    else
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−      error ("cast: expecting TYPE name as second argument");
+
−    endif
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−  else
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−    print_usage ();
+
−  endif
+
−
+
−endfunction