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- // This may look like C code, but it is really -*- C++ -*-
- /*
- Copyright (C) 1988 Free Software Foundation
- written by Doug Lea (dl@rocky.oswego.edu)
-
- This file is part of the GNU C++ Library. This library is free
- software; you can redistribute it and/or modify it under the terms of
- the GNU Library General Public License as published by the Free
- Software Foundation; either version 2 of the License, or (at your
- option) any later version. This library 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 Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #ifdef __GNUG__
- #pragma implementation
- #endif
- #include <builtin.h>
- #include "<T>.PQ.h"
-
-
-
- <T> <T>PQ::deq()
- {
- <T> x = front();
- del_front();
- return x;
- }
-
- Pix <T>PQ::seek(<T&> item)
- {
- for (Pix i = first(); i != 0 && !(<T>EQ((*this)(i), item)); next(i));
- return i;
- }
-
- int <T>PQ::owns(Pix idx)
- {
- if (idx == 0) return 0;
- for (Pix i = first(); i; next(i)) if (i == idx) return 1;
- return 0;
- }
-
- void <T>PQ::clear()
- {
- while (count != 0) del_front();
- }
-
- int <T>PQ::contains (<T&> item)
- {
- return seek(item) != 0;
- }
-
-
- void <T>PQ::error(const char* msg)
- {
- (*lib_error_handler)("PQ", msg);
- }
-
-