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annotate libinterp/octave-value/ov-type-conv.h @ 17526:05bed3576091

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Fix int16 type comments
author LYH <lyh.kernel@gmail.com>
date Fri, 27 Sep 2013 04:18:59 +0800
parents 2fc554ffbc28
children
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1 /*
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2
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3 Copyright (C) 2004-2012 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 3 of the License, or (at your
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10 option) any 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, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if !defined (octave_ov_type_conv_h)
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24 #define octave_ov_type_conv_h 1
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25
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26 static
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27 octave_value
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28 octave_type_conv_body (const octave_value &arg, const std::string& name, int t_result)
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29 {
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30 int t_arg = arg.type_id ();
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31 octave_value retval;
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32
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33 if (t_arg == t_result || arg.class_name () == name)
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34 {
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35 retval = arg;
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36 }
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37 else
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38 {
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39 octave_base_value::type_conv_fcn cf1
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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 (cf1)
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43 {
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44 octave_base_value *tmp (cf1 (*(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 octave_base_value::type_conv_fcn cf2
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56 = arg.numeric_conversion_function ();
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57
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58 if (cf2)
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59 {
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60 octave_base_value *tmp (cf2 (*(arg.internal_rep ())));
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61
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62 if (tmp)
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63 {
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64 octave_value xarg (tmp);
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65
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66 retval = octave_type_conv_body (xarg, name, t_result);
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67 }
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68 }
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69 }
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70 }
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71
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72 return retval;
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73 }
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76 #define OCTAVE_TYPE_CONV_BODY3(NAME, MATRIX_RESULT_T, SCALAR_RESULT_T) \
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77 \
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78 octave_value retval; \
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79 \
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80 int nargin = args.length (); \
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81 \
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82 if (nargin == 1) \
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83 { \
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84 const octave_value arg = args(0); \
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85 \
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86 int t_result = MATRIX_RESULT_T::static_type_id (); \
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87 \
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88 retval = octave_type_conv_body (arg, #NAME, t_result); \
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89 if (retval.is_undefined ()) \
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90 { \
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91 std::string arg_tname = arg.type_name (); \
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92 \
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93 std::string result_tname = arg.numel () == 1 \
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94 ? SCALAR_RESULT_T::static_type_name () \
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95 : MATRIX_RESULT_T::static_type_name (); \
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96 \
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97 gripe_invalid_conversion (arg_tname, result_tname); \
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98 } \
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99 } \
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100 else \
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101 print_usage (); \
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102 \
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103 return retval
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104
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105 #define OCTAVE_TYPE_CONV_BODY(NAME) \
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106 OCTAVE_TYPE_CONV_BODY3 (NAME, octave_ ## NAME ## _matrix, \
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107 octave_ ## NAME ## _scalar)
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108
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109 #endif