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- // Template array classes
- /*
-
- 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 (__GNUG__)
- #pragma implementation
- #endif
-
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
-
- #include <cassert>
-
- #include <iostream.h>
-
- #include "Array.h"
-
- #if defined (HEAVYWEIGHT_INDEXING)
- #include "idx-vector.h"
- #include "Array-idx.h"
- #endif
-
- #include "lo-error.h"
-
- // One dimensional array class. Handles the reference counting for
- // all the derived classes.
-
- template <class T>
- Array<T>::Array (int n, const T& val)
- {
- rep = new ArrayRep (n);
-
- for (int i = 0; i < n; i++)
- rep->data[i] = val;
-
- #ifdef HEAVYWEIGHT_INDEXING
- max_indices = 1;
- idx_count = 0;
- idx = 0;
- #endif
- }
-
- template <class T>
- Array<T>::~Array (void)
- {
- if (--rep->count <= 0)
- delete rep;
-
- #ifdef HEAVYWEIGHT_INDEXING
- delete [] idx;
- #endif
- }
-
- template <class T>
- Array<T>&
- Array<T>::operator = (const Array<T>& a)
- {
- if (this != &a && rep != a.rep)
- {
- if (--rep->count <= 0)
- delete rep;
-
- rep = a.rep;
- rep->count++;
- }
-
- #ifdef HEAVYWEIGHT_INDEXING
- max_indices = 1;
- idx_count = 0;
- idx = 0;
- #endif
-
- return *this;
- }
-
- template <class T>
- void
- Array<T>::resize (int n)
- {
- if (n < 0)
- {
- (*current_liboctave_error_handler) ("can't resize to negative dimension");
- return;
- }
-
- if (n == length ())
- return;
-
- ArrayRep *old_rep = rep;
- const T *old_data = data ();
- int old_len = length ();
-
- rep = new ArrayRep (n);
-
- if (old_data && old_len > 0)
- {
- int min_len = old_len < n ? old_len : n;
-
- for (int i = 0; i < min_len; i++)
- xelem (i) = old_data[i];
- }
-
- if (--old_rep->count <= 0)
- delete old_rep;
- }
-
- template <class T>
- void
- Array<T>::resize (int n, const T& val)
- {
- if (n < 0)
- {
- (*current_liboctave_error_handler) ("can't resize to negative dimension");
- return;
- }
-
- if (n == length ())
- return;
-
- ArrayRep *old_rep = rep;
- const T *old_data = data ();
- int old_len = length ();
-
- rep = new ArrayRep (n);
-
- int min_len = old_len < n ? old_len : n;
-
- if (old_data && old_len > 0)
- {
- for (int i = 0; i < min_len; i++)
- xelem (i) = old_data[i];
- }
-
- for (int i = old_len; i < n; i++)
- xelem (i) = val;
-
- if (--old_rep->count <= 0)
- delete old_rep;
- }
-
- template <class T>
- T *
- Array<T>::fortran_vec (void)
- {
- if (rep->count > 1)
- {
- --rep->count;
- rep = new ArrayRep (*rep);
- }
- return rep->data;
- }
- template <class T>
- T
- Array<T>::range_error (const char *fcn, int n) const
- {
- (*current_liboctave_error_handler) ("%s (%d): range error", fcn, n);
- return T ();
- }
-
- template <class T>
- T&
- Array<T>::range_error (const char *fcn, int n)
- {
- (*current_liboctave_error_handler) ("%s (%d): range error", fcn, n);
- static T foo;
- return foo;
- }
-
- /*
- ;;; Local Variables: ***
- ;;; mode: C++ ***
- ;;; End: ***
- */
-