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1 // idx-vector.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_idx_vector_h) |
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25 #define octave_idx_vector_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 ostream; |
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32 class Matrix; |
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33 class Range; |
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34 |
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35 class |
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36 idx_vector |
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37 { |
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38 public: |
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39 idx_vector (void); |
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40 idx_vector (const idx_vector& a); |
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41 |
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42 idx_vector (const Matrix& m, int do_ftn_idx, |
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43 const char *rc = 0, int z_len = 0); |
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44 |
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45 idx_vector (const Range& r); |
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46 |
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47 ~idx_vector (void); |
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48 |
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49 idx_vector& operator = (const idx_vector& a); |
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50 |
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51 operator void * () const; |
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52 |
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53 int capacity (void) const; |
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54 int length (void) const; |
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55 |
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56 int elem (int n) const; |
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57 int checkelem (int n) const; |
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58 int operator () (int n) const; |
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59 |
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60 // other stuff |
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61 |
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62 int max (void) const; |
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63 int min (void) const; |
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64 |
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65 int one_zero_only (void) const; |
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66 int zeros_count (void) const; |
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67 int ones_count (void) const; |
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68 |
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69 void sort (void); |
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70 void sort_uniq (void); |
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71 |
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72 void shorten (int n); // Unsafe. Avoid at all cost. |
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73 |
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74 // i/o |
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75 |
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76 friend ostream& operator << (ostream& os, const idx_vector& a); |
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77 |
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78 private: |
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79 |
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80 int len; |
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81 int one_zero; |
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82 int num_zeros; |
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83 int num_ones; |
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84 int max_val; |
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85 int min_val; |
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86 int initialized; |
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87 int *data; |
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88 |
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89 void init_state (const char *rc = 0, int z_len = 0); |
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90 void convert_one_zero_to_idx (void); |
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91 }; |
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92 |
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93 inline idx_vector::idx_vector (void) |
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94 { |
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95 len = 0; |
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96 data = 0; |
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97 num_zeros = 0; |
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98 num_ones = 0; |
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99 one_zero = 0; |
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100 initialized = 0; |
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101 } |
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102 |
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103 inline idx_vector::~idx_vector (void) |
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104 { |
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105 delete [] data; |
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106 } |
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107 |
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108 inline idx_vector::operator void * () const |
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109 { |
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110 return initialized ? (void *) 1 : (void *) 0; |
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111 } |
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112 |
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113 inline int idx_vector::capacity (void) const { return len; } |
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114 inline int idx_vector::length (void) const { return len; } |
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115 |
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116 inline int idx_vector::elem (int n) const { return data[n]; } |
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117 |
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118 inline int idx_vector::operator () (int n) const { return checkelem (n); } |
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119 |
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120 inline int idx_vector::max (void) const { return max_val; } |
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121 inline int idx_vector::min (void) const { return min_val; } |
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122 |
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123 inline int idx_vector::one_zero_only (void) const { return one_zero; } |
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124 inline int idx_vector::zeros_count (void) const { return num_zeros; } |
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125 inline int idx_vector::ones_count (void) const { return num_ones; } |
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126 |
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127 #endif |
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128 |
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129 /* |
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130 ;;; Local Variables: *** |
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131 ;;; mode: C++ *** |
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132 ;;; page-delimiter: "^/\\*" *** |
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133 ;;; End: *** |
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134 */ |
