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CollocWt.h
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C/C++ Source or Header
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1996-10-12
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// CollocWt.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_CollocWt_h)
#define octave_CollocWt_h 1
class ostream;
#include "dMatrix.h"
#include "dColVector.h"
extern "C++" {
#ifndef Vector
#define Vector ColumnVector
#endif
class CollocWt
{
public:
CollocWt (void);
CollocWt (int ncol, int include_left, int include_right);
CollocWt (int ncol, int include_left, int include_right, double left,
double right);
CollocWt (int ncol, double alpha, double beta, int include_left,
int include_right);
CollocWt (int ncol, double alpha, double beta, int include_left,
int include_right, double left, double right);
CollocWt (const CollocWt&);
CollocWt& operator = (const CollocWt&);
CollocWt& resize (int ncol);
CollocWt& add_left (void);
CollocWt& delete_left (void);
CollocWt& set_left (double val);
CollocWt& add_right (void);
CollocWt& delete_right (void);
CollocWt& set_right (double val);
CollocWt& set_alpha (double val);
CollocWt& set_beta (double val);
int ncol (void) const;
int left_included (void) const;
int right_included (void) const;
double left (void) const;
double right (void) const;
double width (void) const;
double alpha (void) const;
double beta (void) const;
Vector roots (void);
Vector quad (void);
Vector quad_weights (void);
Matrix first (void);
Matrix second (void);
friend ostream& operator << (ostream&, const CollocWt&);
protected:
int n;
int nt;
int inc_left;
int inc_right;
double lb;
double rb;
double Alpha;
double Beta;
Vector r;
Vector q;
Matrix A;
Matrix B;
int initialized;
void init (void);
void error (const char *msg);
};
inline int
CollocWt::ncol (void) const
{
return n;
}
inline int CollocWt::left_included (void) const { return inc_left; }
inline int CollocWt::right_included (void) const { return inc_right; }
inline double CollocWt::left (void) const { return lb; }
inline double CollocWt::right (void) const { return rb; }
inline double CollocWt::width (void) const { return rb - lb; }
inline double CollocWt::alpha (void) const { return Alpha; }
inline double CollocWt::beta (void) const { return Beta; }
inline Vector CollocWt::roots (void)
{ if (!initialized) init (); return r; }
inline Vector CollocWt::quad (void)
{ if (!initialized) init (); return q; }
inline Vector CollocWt::quad_weights (void)
{ return quad (); }
inline Matrix CollocWt::first (void)
{ if (!initialized) init (); return A; }
inline Matrix CollocWt::second (void)
{ if (!initialized) init (); return B; }
} // extern "C++"
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; page-delimiter: "^/\\*" ***
;;; End: ***
*/