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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)
based on code by Marc Shapiro (shapiro@sor.inria.fr)
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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef __GNUG__
#pragma implementation
#endif
#include "<T>.FPlex.h"
<T>FPlex:: <T>FPlex()
{
lo = fnc = 0;
csize = DEFAULT_INITIAL_CAPACITY;
<T>* data = new <T>[csize];
hd = new <T>IChunk(data, lo, lo, fnc, csize);
}
<T>FPlex:: <T>FPlex(int maxsize)
{
if (maxsize == 0) error("invalid constructor specification");
lo = fnc = 0;
if (maxsize > 0)
{
csize = maxsize;
<T>* data = new <T>[csize];
hd = new <T>IChunk(data, lo, lo, fnc, csize);
}
else
{
csize = -maxsize;
<T>* data = new <T>[csize];
hd = new <T>IChunk(data, maxsize, lo, fnc, fnc);
}
}
<T>FPlex:: <T>FPlex(int l, int maxsize)
{
if (maxsize == 0) error("invalid constructor specification");
lo = fnc = l;
if (maxsize > 0)
{
csize = maxsize;
<T>* data = new <T>[csize];
hd = new <T>IChunk(data, lo, lo, fnc, csize+lo);
}
else
{
csize = -maxsize;
<T>* data = new <T>[csize];
hd = new <T>IChunk(data, maxsize+lo, lo, fnc, fnc);
}
}
<T>FPlex:: <T>FPlex(int l, int hi, const <T&> initval, int maxsize)
{
lo = l;
fnc = hi + 1;
if (maxsize >= 0)
{
csize = maxsize;
if (csize < fnc - lo)
csize = fnc - lo;
<T>* data = new <T>[csize];
hd = new <T>IChunk(data, lo, lo, fnc, csize);
}
else
{
csize = -maxsize;
if (csize < fnc - lo)
csize = fnc - lo;
<T>* data = new <T>[csize];
hd = new <T>IChunk(data, -csize, lo, fnc, fnc);
}
fill(initval);
}
<T>FPlex::<T>FPlex(const <T>FPlex& a)
{
lo = a.lo;
fnc = a.fnc;
csize = fnc - lo;
if (csize < a.csize) csize = a.csize;
<T>* data = new <T> [csize];
hd = new <T>IChunk(data, lo, lo, fnc, lo+csize);
for (int i = a.low(); i < a.fence(); a.next(i)) (*this)[i] = a[i];
}
void <T>FPlex::operator= (const <T>FPlex& a)
{
if (&a != this)
{
del_chunk(hd);
lo = a.lo;
fnc = a.fnc;
csize = fnc - lo;
if (csize < a.csize) csize = a.csize;
<T>* data = new <T> [csize];
hd = new <T>IChunk(data, lo, lo, fnc, lo+csize);
for (int i = a.low(); i < a.fence(); a.next(i)) (*this)[i] = a[i];
}
}
void <T>FPlex::reverse()
{
<T> tmp;
int l = lo;
int h = fnc - 1;
while (l < h)
{
tmp = (*this)[l];
(*this)[l] = (*this)[h];
(*this)[h] = tmp;
next(l);
prev(h);
}
}
void <T>FPlex::fill(const <T&> x)
{
for (int i = lo; i < fnc; ++i) (*this)[i] = x;
}
void <T>FPlex::fill(const <T&> x, int lo, int hi)
{
for (int i = lo; i <= hi; ++i) (*this)[i] = x;
}
void <T>FPlex::clear()
{
if (fnc != lo)
{
hd->clear(lo);
fnc = lo;
}
}
int <T>FPlex::OK () const
{
int v = hd != 0; // hd exists
v &= hd-><T>IChunk::OK(); // and is OK
v &= fnc - lo <= hd->size(); // and has enough space
v &= lo <= fnc; // plex indices consistent
v &= lo == hd->low_index(); // and match those
v &= fnc == hd->fence_index(); // of chunk
v &= one_chunk(); // and only one chunk
if (!v) error("invariant failure");
return v;
}
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