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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_data_conv_h) |
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24 #define octave_data_conv_h 1 |
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25 |
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26 #include <climits> |
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27 |
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28 #include "mach-info.h" |
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29 |
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30 // Not all of the following are currently used. |
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31 |
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32 #if CHAR_BIT != 8 |
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33 #error "CHAR_BIT is not 8!" |
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34 #endif |
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35 |
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36 #if SIZEOF_SHORT == 2 |
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37 #define TWO_BYTE_INT short |
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38 #elif SIZEOF_INT == 2 |
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39 #define TWO_BYTE_INT int |
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40 #else |
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41 #error "No 2 byte integer type found!" |
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42 #endif |
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43 |
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44 #if SIZEOF_INT == 4 |
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45 #define FOUR_BYTE_INT int |
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46 #elif SIZEOF_LONG == 4 |
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47 #define FOUR_BYTE_INT long |
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48 #else |
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49 #error "No 4 byte integer type found!" |
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50 #endif |
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51 |
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52 class |
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53 oct_data_conv |
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54 { |
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55 public: |
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56 |
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57 enum data_type |
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58 { |
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59 dt_unknown, |
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60 dt_char, |
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61 dt_schar, |
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62 dt_uchar, |
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63 dt_short, |
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64 dt_ushort, |
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65 dt_int, |
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66 dt_uint, |
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67 dt_long, |
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68 dt_ulong, |
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69 dt_float, |
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70 dt_double, |
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71 dt_float_complex, |
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72 dt_double_complex |
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73 }; |
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74 |
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75 static data_type string_to_data_type (const string& s); |
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76 }; |
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77 |
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78 enum save_type |
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79 { |
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80 LS_U_CHAR, |
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81 LS_U_SHORT, |
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82 LS_U_INT, |
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83 LS_CHAR, |
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84 LS_SHORT, |
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85 LS_INT, |
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86 LS_FLOAT, |
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87 LS_DOUBLE |
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88 }; |
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89 |
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90 extern void |
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91 do_double_format_conversion (double *data, int len, |
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92 oct_mach_info::float_format fmt); |
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93 |
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94 extern void |
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95 do_float_format_conversion (float *data, int len, |
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96 oct_mach_info::float_format fmt); |
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97 |
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98 extern void |
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99 read_doubles (istream& is, double *data, save_type type, int len, |
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100 int swap, oct_mach_info::float_format fmt); |
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101 extern void |
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102 write_doubles (ostream& os, const double *data, save_type type, int len); |
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103 |
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104 #endif |
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105 |
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106 /* |
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107 ;;; Local Variables: *** |
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108 ;;; mode: C++ *** |
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109 ;;; End: *** |
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110 */ |
