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[project @ 1996-02-16 04:03:01 by jwe] Initial revision
author jwe
date Fri, 16 Feb 1996 04:03:01 +0000
parents
children 1b57120c997b
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1 // data-conv.h -*- C++ -*-
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2 /*
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3
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4 Copyright (C) 1996 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 "float-fmt.h"
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30
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31 // Not all of the following are currently used.
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32
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33 #if CHAR_BIT != 8
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34 #error "CHAR_BIT is not 8!"
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35 #endif
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36
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37 #if SIZEOF_SHORT == 2
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38 #define TWO_BYTE_INT short
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39 #elif SIZEOF_INT == 2
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40 #define TWO_BYTE_INT int
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41 #else
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42 #error "No 2 byte integer type found!"
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43 #endif
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44
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45 #if SIZEOF_INT == 4
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46 #define FOUR_BYTE_INT int
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47 #elif SIZEOF_LONG == 4
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48 #define FOUR_BYTE_INT long
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49 #else
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50 #error "No 4 byte integer type found!"
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51 #endif
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52
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53 enum save_type
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54 {
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55 LS_U_CHAR,
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56 LS_U_SHORT,
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57 LS_U_INT,
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58 LS_CHAR,
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59 LS_SHORT,
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60 LS_INT,
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61 LS_FLOAT,
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62 LS_DOUBLE,
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63 };
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64
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65 extern void
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66 do_double_format_conversion (double *data, int len, floating_point_format fmt);
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67
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68 extern void
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69 do_float_format_conversion (float *data, int len, floating_point_format fmt);
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70
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71 extern void
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72 read_doubles (istream& is, double *data, save_type type, int len,
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73 int swap, floating_point_format fmt);
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74 extern void
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75 write_doubles (ostream& os, const double *data, save_type type, int len);
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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 ;;; page-delimiter: "^/\\*" ***
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83 ;;; End: ***
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84 */