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- // LinConst.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_LinConst_h)
- #define octave_LinConst_h 1
-
- class ostream;
-
- class ColumnVector;
-
- #include <float.h>
-
- #include "dMatrix.h"
- #include "Bounds.h"
-
- extern "C++" {
-
- #ifndef Vector
- #define Vector ColumnVector
- #endif
-
- class LinConst : public Bounds
- {
- public:
-
- LinConst (void);
- LinConst (int nclin, int nx);
-
- LinConst (int nclin_eq, int nclin_ineq, int nx);
-
- LinConst (const Vector& lb, const Matrix& A, const Vector& ub);
-
- LinConst (const Matrix& A_eq, const Vector& b_eq,
- const Matrix& A_ineq, const Vector& b_ineq);
-
- LinConst (const LinConst& a);
-
- LinConst& operator = (const LinConst& a);
-
- LinConst& resize (int nclin, int n);
-
- Matrix constraint_matrix (void) const;
-
- LinConst& set_constraint_matrix (const Matrix& A);
-
- Matrix eq_constraint_matrix (void) const;
- Matrix ineq_constraint_matrix (void) const;
-
- Vector eq_constraint_vector (void) const;
- Vector ineq_constraint_vector (void) const;
-
- friend ostream& operator << (ostream& os, const LinConst& b);
-
- protected:
-
- Matrix A;
-
- private:
-
- void error (const char *msg);
-
- };
-
- inline LinConst::LinConst (void) : Bounds () {}
-
- inline LinConst::LinConst (int nc, int n) : Bounds (nc), A (nb, n) {}
-
- inline LinConst::LinConst (int eq, int ineq, int n)
- : Bounds (eq+ineq), A (nb, n) {}
-
- inline LinConst::LinConst (const Vector& l, const Matrix& amat,
- const Vector& u)
- : Bounds (l, u), A (amat)
- {
- if (nb != amat.rows ())
- error ("inconsistent sizes for constraint matrix and bounds vectors");
- }
-
- inline LinConst::LinConst (const LinConst& a)
- : Bounds (a.lb, a.ub), A (a.constraint_matrix ()) {}
-
- inline LinConst&
- LinConst::operator = (const LinConst& a)
- {
- nb = a.nb;
- lb = a.lb;
- A = a.A;
- ub = a.ub;
-
- return *this;
- }
-
- inline Matrix
- LinConst::constraint_matrix (void) const
- {
- return A;
- }
-
- inline LinConst&
- LinConst::set_constraint_matrix (const Matrix& amat)
- {
- if (lb.capacity () != amat.rows ())
- error ("inconsistent size for new linear constraint matrix");
-
- A = amat;
-
- return *this;
- }
-
- } // extern "C++"
-
- #endif
-
- /*
- ;;; Local Variables: ***
- ;;; mode: C++ ***
- ;;; page-delimiter: "^/\\*" ***
- ;;; End: ***
- */
-