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Bounds.h
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C/C++ Source or Header
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1997-08-20
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148 lines
/*
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_Bounds_h)
#define octave_Bounds_h 1
#if defined (__GNUG__)
#pragma interface
#endif
class ostream;
#include "dColVector.h"
class
Bounds
{
public:
Bounds (void)
: lb (), ub () { }
Bounds (int n)
: lb (n, 0.0), ub (n, 0.0) { }
Bounds (const ColumnVector l, const ColumnVector u)
: lb (l), ub (u)
{
if (lb.capacity () != ub.capacity ())
{
error ("inconsistent sizes for lower and upper bounds");
return;
}
}
Bounds (const Bounds& a)
: lb (a.lb), ub (a.ub) { }
Bounds& operator = (const Bounds& a)
{
if (this != &a)
{
lb = a.lower_bounds ();
ub = a.upper_bounds ();
}
return *this;
}
~Bounds (void) { }
Bounds& resize (int n)
{
lb.resize (n);
ub.resize (n);
return *this;
}
double lower_bound (int index) const { return lb.elem (index); }
double upper_bound (int index) const { return ub.elem (index); }
ColumnVector lower_bounds (void) const { return lb; }
ColumnVector upper_bounds (void) const { return ub; }
int size (void) const { return lb.capacity (); }
Bounds& set_bound (int index, double low, double high)
{
lb.elem (index) = low;
ub.elem (index) = high;
return *this;
}
Bounds& set_bounds (double low, double high)
{
lb.fill (low);
ub.fill (high);
return *this;
}
Bounds& set_bounds (const ColumnVector lb, const ColumnVector ub);
Bounds& set_lower_bound (int index, double low)
{
lb.elem (index) = low;
return *this;
}
Bounds& set_upper_bound (int index, double high)
{
ub.elem (index) = high;
return *this;
}
Bounds& set_lower_bounds (double low)
{
lb.fill (low);
return *this;
}
Bounds& set_upper_bounds (double high)
{
ub.fill (high);
return *this;
}
Bounds& set_lower_bounds (const ColumnVector lb);
Bounds& set_upper_bounds (const ColumnVector ub);
friend ostream& operator << (ostream& os, const Bounds& b);
protected:
ColumnVector lb;
ColumnVector ub;
private:
void error (const char *msg);
};
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/