annotate liboctave/mach-info.h @ 2317:8c09c04f7747

[project @ 1996-07-14 22:30:15 by jwe]
author jwe
date Sun, 14 Jul 1996 22:40:35 +0000
parents 1b57120c997b
children 8b262e771614
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1 /*
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2
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3 Copyright (C) 1996 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_mach_info_h)
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24 #define octave_mach_info_h 1
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25
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26 #include <string>
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27
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28 class
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29 oct_mach_info
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30 {
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31 public:
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32
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33 enum float_format
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34 {
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35 native,
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36 unknown,
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37 ieee_little_endian,
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38 ieee_big_endian,
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39 vax_d,
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40 vax_g,
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41 cray
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42 };
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43
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44 oct_mach_info (void);
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45
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46 static float_format native_float_format (void);
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47
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48 static bool words_big_endian (void);
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49
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50 static bool words_little_endian (void);
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51
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52 static float_format string_to_float_format (const string&);
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53
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54 static string float_format_as_string (float_format);
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55
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56 private:
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57
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58 static oct_mach_info *instance;
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59
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60 void init_float_format (void);
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61
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62 void ten_little_endians (void);
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63
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64 // The floating point format for the current machine.
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65 float_format native_float_fmt;
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66
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67 // TRUE if the byte order on this system is big endian.
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68 bool big_chief;
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69
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70 // No copying!
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71
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72 oct_mach_info (const oct_mach_info&);
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73
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74 oct_mach_info& operator = (const oct_mach_info&);
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75 };
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76
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77 #endif
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78
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79 /*
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80 ;;; Local Variables: ***
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81 ;;; mode: C++ ***
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82 ;;; End: ***
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83 */