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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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_data_conv_h) |
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25 #define octave_data_conv_h 1 |
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26 |
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27 #include <climits> |
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28 |
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29 #include "mach-info.h" |
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30 |
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31 class |
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32 OCTAVE_API |
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33 oct_data_conv |
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34 { |
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35 public: |
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36 |
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37 enum data_type |
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38 { |
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39 dt_int8 = 0, |
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40 dt_uint8 = 1, |
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41 dt_int16 = 2, |
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42 dt_uint16 = 3, |
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43 dt_int32 = 4, |
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44 dt_uint32 = 5, |
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45 dt_int64 = 6, |
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46 dt_uint64 = 7, |
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47 dt_single = 8, |
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48 dt_double = 9, |
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49 dt_char = 10, |
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50 dt_schar = 11, |
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51 dt_uchar = 12, |
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52 dt_logical = 13, |
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53 dt_short = 14, |
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54 dt_ushort = 15, |
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55 dt_int = 16, |
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56 dt_uint = 17, |
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57 dt_long = 18, |
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58 dt_ulong = 19, |
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59 dt_longlong = 20, |
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60 dt_ulonglong = 21, |
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61 dt_float = 22, |
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62 dt_unknown = 23 // Must be last, have largest value! |
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63 }; |
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64 |
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65 static data_type string_to_data_type (const std::string& s); |
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66 |
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67 static void string_to_data_type (const std::string& s, int& block_size, |
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68 data_type& input_type, |
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69 data_type& output_type); |
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70 |
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71 static void string_to_data_type (const std::string& s, int& block_size, |
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72 data_type& output_type); |
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73 |
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74 static std::string data_type_as_string (data_type dt); |
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75 }; |
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76 |
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77 // Add new entries to the end of this enum, otherwise Octave will not |
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78 // be able to read binary data files stored in Octave's binary data |
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79 // format that were created with previous versions of Octave. |
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80 |
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81 enum save_type |
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82 { |
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83 LS_U_CHAR = 0, |
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84 LS_U_SHORT = 1, |
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85 LS_U_INT = 2, |
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86 LS_CHAR = 3, |
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87 LS_SHORT = 4, |
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88 LS_INT = 5, |
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89 LS_FLOAT = 6, |
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90 LS_DOUBLE = 7, |
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91 LS_U_LONG = 8, |
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92 LS_LONG = 9 |
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93 }; |
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94 |
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95 extern OCTAVE_API void |
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96 do_double_format_conversion (void *data, int len, |
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97 oct_mach_info::float_format from_fmt, |
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98 oct_mach_info::float_format to_fmt |
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99 = oct_mach_info::native_float_format ()); |
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100 |
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101 extern OCTAVE_API void |
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102 do_float_format_conversion (void *data, int len, |
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103 oct_mach_info::float_format from_fmt, |
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104 oct_mach_info::float_format to_fmt |
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105 = oct_mach_info::native_float_format ()); |
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106 |
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107 extern OCTAVE_API void |
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108 do_float_format_conversion (void *data, size_t sz, int len, |
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109 oct_mach_info::float_format from_fmt, |
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110 oct_mach_info::float_format to_fmt |
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111 = oct_mach_info::native_float_format ()); |
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112 |
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113 extern OCTAVE_API void |
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114 read_doubles (std::istream& is, double *data, save_type type, int len, |
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115 bool swap, oct_mach_info::float_format fmt); |
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116 extern OCTAVE_API void |
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117 write_doubles (std::ostream& os, const double *data, save_type type, int len); |
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118 |
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119 #endif |
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120 |
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121 /* |
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122 ;;; Local Variables: *** |
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123 ;;; mode: C++ *** |
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124 ;;; End: *** |
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125 */ |
