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annotate liboctave/data-conv.h @ 1993:1b57120c997b

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[project @ 1996-03-03 01:16:15 by jwe]
author jwe
date Sun, 03 Mar 1996 01:16:15 +0000
parents 285a7f683a4c
children 8c09c04f7747
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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
285a7f683a4c [project @ 1996-02-16 04:03:01 by jwe]
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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 "float-fmt.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 enum save_type
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53 {
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54 LS_U_CHAR,
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55 LS_U_SHORT,
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56 LS_U_INT,
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57 LS_CHAR,
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58 LS_SHORT,
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59 LS_INT,
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60 LS_FLOAT,
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61 LS_DOUBLE,
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62 };
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63
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64 extern void
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65 do_double_format_conversion (double *data, int len, floating_point_format fmt);
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66
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67 extern void
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68 do_float_format_conversion (float *data, int len, floating_point_format fmt);
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69
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70 extern void
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71 read_doubles (istream& is, double *data, save_type type, int len,
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72 int swap, floating_point_format fmt);
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73 extern void
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74 write_doubles (ostream& os, const double *data, save_type type, int len);
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75
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76 #endif
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77
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78 /*
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79 ;;; Local Variables: ***
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80 ;;; mode: C++ ***
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81 ;;; End: ***
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82 */