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idx-vector.h
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1996-09-28
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131 lines
// idx-vector.h -*- C++ -*-
/*
Copyright (C) 1992, 1993, 1994, 1995 John W. Eaton
This file is part of Octave.
Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING. If not, write to the Free
Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined (octave_idx_vector_h)
#define octave_idx_vector_h 1
class ostream;
class Matrix;
class Range;
class
idx_vector
{
public:
idx_vector (void);
idx_vector (const idx_vector& a);
idx_vector (const Matrix& m, int do_ftn_idx,
const char *rc = 0, int z_len = 0);
idx_vector (const Range& r);
~idx_vector (void);
idx_vector& operator = (const idx_vector& a);
operator void * () const;
int capacity (void) const;
int length (void) const;
int elem (int n) const;
int checkelem (int n) const;
int operator () (int n) const;
// other stuff
int max (void) const;
int min (void) const;
int one_zero_only (void) const;
int zeros_count (void) const;
int ones_count (void) const;
void sort (void);
void sort_uniq (void);
void shorten (int n); // Unsafe. Avoid at all cost.
// i/o
friend ostream& operator << (ostream& os, const idx_vector& a);
private:
int len;
int one_zero;
int num_zeros;
int num_ones;
int max_val;
int min_val;
int initialized;
int *data;
void init_state (const char *rc = 0, int z_len = 0);
void convert_one_zero_to_idx (void);
};
inline idx_vector::idx_vector (void)
{
len = 0;
data = 0;
num_zeros = 0;
num_ones = 0;
one_zero = 0;
initialized = 0;
}
inline idx_vector::~idx_vector (void)
{
delete [] data;
}
inline idx_vector::operator void * () const
{
return initialized ? (void *) 1 : (void *) 0;
}
inline int idx_vector::capacity (void) const { return len; }
inline int idx_vector::length (void) const { return len; }
inline int idx_vector::elem (int n) const { return data[n]; }
inline int idx_vector::operator () (int n) const { return checkelem (n); }
inline int idx_vector::max (void) const { return max_val; }
inline int idx_vector::min (void) const { return min_val; }
inline int idx_vector::one_zero_only (void) const { return one_zero; }
inline int idx_vector::zeros_count (void) const { return num_zeros; }
inline int idx_vector::ones_count (void) const { return num_ones; }
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; page-delimiter: "^/\\*" ***
;;; End: ***
*/