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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) 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_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 |
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36 Range |
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37 { |
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38 public: |
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39 |
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40 Range (void) |
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41 : rng_base (-1), rng_limit (-1), rng_inc (-1), rng_nelem (-1) { } |
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42 |
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43 Range (const Range& r) |
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44 : rng_base (r.rng_base), rng_limit (r.rng_limit), rng_inc (r.rng_inc), |
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45 rng_nelem (r.rng_nelem) { } |
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46 |
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47 Range (double b, double l) |
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48 : rng_base (b), rng_limit (l), rng_inc (1), |
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49 rng_nelem (nelem_internal ()) { } |
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50 |
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51 Range (double b, double l, double i) |
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52 : rng_base (b), rng_limit (l), rng_inc (i), |
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53 rng_nelem (nelem_internal ()) { } |
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54 |
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55 double base (void) const { return rng_base; } |
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56 double limit (void) const { return rng_limit; } |
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57 double inc (void) const { return rng_inc; } |
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58 int nelem (void) const { return rng_nelem; } |
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59 |
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60 Matrix matrix_value (void) const; |
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61 |
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62 double min (void) const; |
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63 double max (void) const; |
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64 |
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65 void sort (void); |
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66 |
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67 void set_base (double b) { rng_base = b; } |
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68 void set_limit (double l) { rng_limit = l; } |
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69 void set_inc (double i) { rng_inc = i; } |
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70 |
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71 |
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72 friend ostream& operator << (ostream& os, const Range& r); |
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73 friend istream& operator >> (istream& is, Range& r); |
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74 |
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75 void print_range (void); |
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76 |
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77 private: |
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78 |
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79 double rng_base; |
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80 double rng_limit; |
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81 double rng_inc; |
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82 |
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83 int rng_nelem; |
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84 |
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85 int nelem_internal (void) const; |
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86 }; |
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87 |
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88 #endif |
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89 |
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90 /* |
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91 ;;; Local Variables: *** |
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92 ;;; mode: C++ *** |
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93 ;;; page-delimiter: "^/\\*" *** |
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94 ;;; End: *** |
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95 */ |
