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1 ## Copyright (C) 2007, 2008 John W. Eaton |
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2 ## |
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3 ## This file is part of Octave. |
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4 ## |
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5 ## Octave is free software; you can redistribute it and/or modify it |
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6 ## under the terms of the GNU General Public License as published by |
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7 ## the Free Software Foundation; either version 3 of the License, or (at |
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8 ## your option) any later version. |
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9 ## |
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10 ## Octave is distributed in the hope that it will be useful, but |
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 ## General Public License for more details. |
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14 ## |
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15 ## You should have received a copy of the GNU General Public License |
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16 ## along with Octave; see the file COPYING. If not, see |
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17 ## <http://www.gnu.org/licenses/>. |
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18 |
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19 ## -*- texinfo -*- |
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20 ## @deftypefn {Function File} {} cast (@var{val}, @var{type}) |
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21 ## Convert @var{val} to data type @var{type}. |
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22 ## @seealso{int8, uint8, int16, uint16, int32, uint32, int64, uint64, double} |
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23 ## @end deftypefn |
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24 |
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25 ## Author: jwe |
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26 |
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27 function retval = cast (val, typ) |
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28 |
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29 if (nargin == 2) |
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30 if (ischar (typ)) |
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31 if (any (strcmp (typ, {"int8"; "uint8"; "int16"; "uint16"; |
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32 "int32"; "uint32"; "int64"; "uint64"; |
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33 "double"; "single"; "logical"; "char"}))) |
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34 retval = feval (typ, val); |
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35 else |
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36 error ("cast: type name `%s' is not a built-in type", typ); |
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37 endif |
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38 else |
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39 error ("cast: expecting type name as second argument"); |
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40 endif |
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41 else |
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42 print_usage (); |
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43 endif |
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44 |
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45 endfunction |
