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/*
Copyright (C) 1996 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if !defined (octave_Range_h)
#define octave_Range_h 1
#if defined (__GNUG__)
#pragma interface
#endif
class istream;
class ostream;
class Matrix;
class
Range
{
public:
Range (void)
: rng_base (-1), rng_limit (-1), rng_inc (-1), rng_nelem (-1) { }
Range (const Range& r)
: rng_base (r.rng_base), rng_limit (r.rng_limit), rng_inc (r.rng_inc),
rng_nelem (r.rng_nelem) { }
Range (double b, double l)
: rng_base (b), rng_limit (l), rng_inc (1),
rng_nelem (nelem_internal ()) { }
Range (double b, double l, double i)
: rng_base (b), rng_limit (l), rng_inc (i),
rng_nelem (nelem_internal ()) { }
double base (void) const { return rng_base; }
double limit (void) const { return rng_limit; }
double inc (void) const { return rng_inc; }
int nelem (void) const { return rng_nelem; }
bool all_elements_are_ints (void) const;
Matrix matrix_value (void) const;
double min (void) const;
double max (void) const;
void sort (void);
void set_base (double b) { rng_base = b; }
void set_limit (double l) { rng_limit = l; }
void set_inc (double i) { rng_inc = i; }
friend ostream& operator << (ostream& os, const Range& r);
friend istream& operator >> (istream& is, Range& r);
void print_range (void);
private:
double rng_base;
double rng_limit;
double rng_inc;
int rng_nelem;
int nelem_internal (void) const;
};
extern Range operator - (const Range& r);
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
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