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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 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 #if !defined (octave_mappers_h) |
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24 #define octave_mappers_h 1 |
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25 |
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26 #include <string> |
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27 |
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28 #include "lo-mappers.h" |
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29 #include "oct-cmplx.h" |
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30 |
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31 typedef int (*ch_Mapper)(int); |
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32 typedef double (*d_d_Mapper)(double); |
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33 typedef double (*d_c_Mapper)(const Complex&); |
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34 typedef Complex (*c_c_Mapper)(const Complex&); |
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35 |
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36 // ch_mapper is a kluge. |
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37 // |
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38 // If can_return_complex_for_real_arg is 1, lower_limit and |
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39 // upper_limit specify the range of values for which a real arg |
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40 // returns a real value. Outside that range, we have to convert args |
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41 // to complex, and call the complex valued function. |
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42 // |
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43 // If can_return_complex_for_real_arg is 0, lower_limit and |
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44 // upper_limit are ignored. |
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45 |
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46 struct builtin_mapper_function |
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47 { |
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48 builtin_mapper_function (ch_Mapper ch = 0, d_d_Mapper dd = 0, |
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49 d_c_Mapper dc = 0, c_c_Mapper cc = 0, |
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50 double l = 0.0, double u = 0.0, int f = 0, |
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51 const string n = string (), |
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52 const string& h = string ()) |
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53 : ch_mapper (ch), d_d_mapper (dd), d_c_mapper (dc), c_c_mapper (cc), |
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54 lower_limit (l), upper_limit (u), flag (f), |
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55 name (n), help_string (h) { } |
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56 |
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57 builtin_mapper_function (const builtin_mapper_function& mf) |
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58 : ch_mapper (mf.ch_mapper), d_d_mapper (mf.d_d_mapper), |
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59 d_c_mapper (mf.d_c_mapper), c_c_mapper (mf.c_c_mapper), |
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60 lower_limit (mf.lower_limit), upper_limit (mf.upper_limit), |
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61 flag (mf.flag), name (mf.name), help_string (mf.help_string) { } |
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62 |
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63 builtin_mapper_function& operator = (const builtin_mapper_function& mf) |
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64 { |
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65 if (&mf != this) |
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66 { |
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67 ch_mapper = mf.ch_mapper; |
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68 d_d_mapper = mf.d_d_mapper; |
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69 d_c_mapper = mf.d_c_mapper; |
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70 c_c_mapper = mf.c_c_mapper; |
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71 lower_limit = mf.lower_limit; |
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72 upper_limit = mf.upper_limit; |
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73 flag = mf.flag; |
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74 name = mf.name; |
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75 help_string = mf.help_string; |
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76 } |
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77 return *this; |
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78 } |
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79 |
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80 ~builtin_mapper_function (void) { } |
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81 |
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82 ch_Mapper ch_mapper; |
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83 d_d_Mapper d_d_mapper; |
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84 d_c_Mapper d_c_mapper; |
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85 c_c_Mapper c_c_mapper; |
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86 double lower_limit; |
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87 double upper_limit; |
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88 |
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89 // For ch_mapper: |
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90 // |
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91 // 0 => this function returns a matrix of ones and zeros |
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92 // 1 => this function returns a numeric matrix (any values) |
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93 // 2 => this function returns a string array |
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94 // |
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95 // For other mappers, nonzero means that this function can return a |
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96 // complex value for some real arguments. |
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97 int flag; |
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98 |
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99 string name; |
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100 string help_string; |
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101 }; |
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102 |
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103 extern void install_mapper_functions (void); |
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104 |
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105 #endif |
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106 |
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107 /* |
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108 ;;; Local Variables: *** |
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109 ;;; mode: C++ *** |
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110 ;;; End: *** |
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111 */ |
