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1 // Builtin function support. -*- C++ -*- |
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2 /* |
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3 |
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296
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4 Copyright (C) 1992, 1993, 1994 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 */ |
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23 |
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383
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24 #if !defined (octave_builtins_h) |
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25 #define octave_builtins_h 1 |
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26 |
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27 class ostrstream; |
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28 class Complex; |
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29 struct help_list; |
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30 |
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31 #ifndef MAPPER_FCN_TYPEDEFS |
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32 #define MAPPER_FCN_TYPEDEFS 1 |
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33 |
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34 typedef double (*d_d_Mapper)(double); |
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35 typedef double (*d_c_Mapper)(const Complex&); |
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36 typedef Complex (*c_c_Mapper)(const Complex&); |
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37 |
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38 #endif |
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39 |
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40 // If can_return_complex_for_real_arg is 1, lower_limit and |
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41 // upper_limit specify the range of values for which a real arg |
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42 // returns a real value. Outside that range, we have to convert args |
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43 // to complex, and call the complex valued function. |
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44 // |
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45 // If can_return_complex_for_real_arg is 0, lower_limit and |
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46 // upper_limit are ignored. |
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47 |
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48 struct Mapper_fcn |
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49 { |
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330
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50 int can_return_complex_for_real_arg; |
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51 double lower_limit; |
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52 double upper_limit; |
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53 d_d_Mapper d_d_mapper; |
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54 d_c_Mapper d_c_mapper; |
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55 c_c_Mapper c_c_mapper; |
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56 }; |
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57 |
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58 struct builtin_mapper_functions |
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59 { |
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60 char *name; |
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61 int can_return_complex_for_real_arg; |
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62 double lower_limit; |
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63 double upper_limit; |
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64 d_d_Mapper d_d_mapper; |
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65 d_c_Mapper d_c_mapper; |
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66 c_c_Mapper c_c_mapper; |
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67 char *help_string; |
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68 }; |
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69 |
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70 #ifndef SV_FUNCTION_TYPEDEFS |
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71 #define SV_FUNCTION_TYPEDEFS 1 |
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72 |
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73 typedef int (*sv_Function)(void); |
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74 |
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75 #endif |
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76 |
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77 struct builtin_string_variables |
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78 { |
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79 char *name; |
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80 char *value; |
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81 sv_Function sv_function; |
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82 char *help_string; |
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83 }; |
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84 |
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85 extern void install_builtins (void); |
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86 extern int is_text_function_name (const char *s); |
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87 |
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88 extern help_list *builtin_mapper_functions_help (void); |
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89 extern help_list *builtin_general_functions_help (void); |
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90 extern help_list *builtin_text_functions_help (void); |
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91 extern help_list *builtin_variables_help (void); |
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92 |
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181
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93 extern int help_from_list (ostrstream& output_buf, |
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94 const help_list *list, const char *string, |
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95 int usage); |
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96 |
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97 extern void additional_help_message (ostrstream& output_buf); |
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98 |
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287
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99 extern void print_usage (const char *s, int just_usage = 0); |
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100 |
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101 #endif |
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102 |
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103 /* |
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104 ;;; Local Variables: *** |
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105 ;;; mode: C++ *** |
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106 ;;; page-delimiter: "^/\\*" *** |
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107 ;;; End: *** |
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108 */ |
