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1 /* |
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2 |
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3 Copyright (C) 2004 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #define OCTAVE_TYPE_CONV_BODY3(NAME, MATRIX_RESULT_T, SCALAR_RESULT_T) \ |
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24 \ |
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25 octave_value retval; \ |
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26 \ |
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27 int nargin = args.length (); \ |
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28 \ |
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29 if (nargin == 1) \ |
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30 { \ |
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31 const octave_value arg = args(0); \ |
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32 \ |
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33 int t_arg = arg.type_id (); \ |
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34 \ |
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35 int t_result = MATRIX_RESULT_T::static_type_id (); \ |
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36 \ |
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37 if (t_arg != t_result) \ |
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38 { \ |
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39 type_conv_fcn cf \ |
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40 = octave_value_typeinfo::lookup_type_conv_op (t_arg, t_result); \ |
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41 \ |
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42 if (cf) \ |
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43 { \ |
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44 octave_value *tmp (cf (*(arg.internal_rep ()))); \ |
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45 \ |
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46 if (tmp) \ |
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47 { \ |
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48 retval = octave_value (tmp); \ |
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49 \ |
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50 retval.maybe_mutate (); \ |
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51 } \ |
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52 } \ |
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53 else \ |
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54 { \ |
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55 std::string arg_tname = arg.type_name (); \ |
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56 \ |
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57 std::string result_tname = arg.numel () == 1 \ |
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58 ? SCALAR_RESULT_T::static_type_name () \ |
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59 : MATRIX_RESULT_T::static_type_name (); \ |
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60 \ |
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61 gripe_invalid_conversion (arg_tname, result_tname); \ |
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62 } \ |
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63 } \ |
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64 else \ |
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65 retval = arg; \ |
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66 } \ |
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67 else \ |
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68 print_usage (#NAME); \ |
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69 \ |
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70 return retval |
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71 |
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72 #define OCTAVE_TYPE_CONV_BODY(NAME) \ |
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73 OCTAVE_TYPE_CONV_BODY3 (NAME, octave_ ## NAME ## _matrix, \ |
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74 octave_ ## NAME ## _scalar) |
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75 |
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76 /* |
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77 ;;; Local Variables: *** |
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78 ;;; mode: C++ *** |
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79 ;;; End: *** |
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80 */ |
