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CmplxDET.h
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C/C++ Source or Header
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1997-08-20
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2KB
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88 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_ComplexDET_h)
#define octave_ComplexDET_h 1
#if defined (__GNUG__)
#pragma interface
#endif
class ostream;
#include "oct-cmplx.h"
class
ComplexDET
{
friend class ComplexMatrix;
public:
ComplexDET (void) { }
ComplexDET (const ComplexDET& a)
{
det[0] = a.det[0];
det[1] = a.det[1];
}
ComplexDET& operator = (const ComplexDET& a)
{
if (this != &a)
{
det[0] = a.det[0];
det[1] = a.det[1];
}
return *this;
}
int value_will_overflow (void) const;
int value_will_underflow (void) const;
Complex coefficient (void) const;
int exponent (void) const;
Complex value (void) const;
friend ostream& operator << (ostream& os, const ComplexDET& a);
private:
ComplexDET (const Complex *d)
{
det[0] = d[0];
det[1] = d[1];
}
Complex det [2];
};
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/