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1 // Range.h -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993, 1994, 1995 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_Range_h) |
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25 #define octave_Range_h 1 |
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26 |
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27 #if defined (__GNUG__) |
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28 #pragma interface |
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29 #endif |
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30 |
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31 class istream; |
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32 class ostream; |
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33 class Matrix; |
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34 |
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35 class Range |
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36 { |
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37 public: |
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38 Range (void) |
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39 { |
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40 rng_base = -1; |
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41 rng_limit = -1; |
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42 rng_inc = -1; |
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43 rng_nelem = -1; |
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44 } |
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45 |
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46 Range (const Range& r) |
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47 { |
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48 rng_base = r.rng_base; |
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49 rng_limit = r.rng_limit; |
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50 rng_inc = r.rng_inc; |
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51 rng_nelem = r.rng_nelem; |
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52 } |
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53 |
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54 Range (double b, double l) |
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55 { |
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56 rng_base = b; |
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57 rng_limit = l; |
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58 rng_inc = 1; |
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59 rng_nelem = nelem_internal (); |
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60 } |
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61 |
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62 Range (double b, double l, double i) |
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63 { |
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64 rng_base = b; |
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65 rng_limit = l; |
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66 rng_inc = i; |
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67 rng_nelem = nelem_internal (); |
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68 } |
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69 |
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70 double base (void) const { return rng_base; } |
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71 double limit (void) const { return rng_limit; } |
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72 double inc (void) const { return rng_inc; } |
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73 int nelem (void) const { return rng_nelem; } |
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74 |
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75 Matrix matrix_value (void) const; |
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76 |
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77 double min (void) const; |
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78 double max (void) const; |
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79 |
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80 void sort (void); |
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81 |
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82 void set_base (double b) { rng_base = b; } |
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83 void set_limit (double l) { rng_limit = l; } |
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84 void set_inc (double i) { rng_inc = i; } |
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85 |
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86 |
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87 friend ostream& operator << (ostream& os, const Range& r); |
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88 friend istream& operator >> (istream& is, Range& r); |
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89 |
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90 void print_range (void); |
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91 |
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92 private: |
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93 double rng_base; |
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94 double rng_limit; |
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95 double rng_inc; |
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96 int rng_nelem; |
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97 |
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98 int nelem_internal (void) const; |
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99 }; |
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100 |
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101 #endif |
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102 |
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103 /* |
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104 ;;; Local Variables: *** |
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105 ;;; mode: C++ *** |
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106 ;;; page-delimiter: "^/\\*" *** |
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107 ;;; End: *** |
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108 */ |
