254 lines
6.2 KiB
C++
254 lines
6.2 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
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/*
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Copyright (C) 1988 Free Software Foundation
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written by Doug Lea (dl@rocky.oswego.edu)
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based on code by Marc Shapiro (shapiro@sor.inria.fr)
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This file is part of the GNU C++ Library. This library is free
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software; you can redistribute it and/or modify it under the terms of
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the GNU Library General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your
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option) any later version. This library is distributed in the hope
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that it will be useful, but WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the GNU Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _<T>FPlex_h
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#ifdef __GNUG__
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#pragma interface
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#endif
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#define _<T>FPlex_h 1
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#include "<T>.Plex.h"
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class <T>FPlex : public <T>Plex
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{
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public:
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<T>FPlex(); // set low = 0;
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// fence = 0;
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// csize = default
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<T>FPlex(int maxsize); // low = 0;
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// fence = 0;
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// csize = maxsize
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<T>FPlex(int lo, // low = lo;
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int maxsize); // fence=lo
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// csize = maxsize
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<T>FPlex(int lo, // low = lo
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int hi, // fence = hi+1
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const <T&> initval,// fill with initval,
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int maxsize = 0); // csize = maxsize
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// or fence - lo if 0
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<T>FPlex(const <T>FPlex&); // X(X&)
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inline ~<T>FPlex();
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void operator= (const <T>FPlex&);
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// virtuals
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inline <T>& high_element ();
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inline <T>& low_element ();
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inline const <T>& high_element () const;
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inline const <T>& low_element () const;
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inline Pix first() const;
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inline Pix last() const;
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inline void prev(Pix& ptr) const;
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inline void next(Pix& ptr) const;
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inline int owns(Pix p) const;
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inline <T>& operator () (Pix p);
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inline const <T>& operator () (Pix p) const;
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inline int low() const;
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inline int high() const;
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inline int valid(int idx) const;
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inline void prev(int& idx) const;
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inline void next(int& x) const;
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inline <T>& operator [] (int index);
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inline const <T>& operator [] (int index) const;
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inline int Pix_to_index(Pix p) const;
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inline Pix index_to_Pix(int idx) const;
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inline int can_add_high() const;
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inline int can_add_low() const;
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inline int full() const;
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inline int add_high(const <T&> elem);
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inline int del_high ();
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inline int add_low (const <T&> elem);
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inline int del_low ();
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void fill(const <T&> x);
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void fill(const <T&> x, int from, int to);
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void clear();
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void reverse();
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int OK () const;
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};
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inline int <T>FPlex::valid (int idx) const
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{
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return idx >= lo && idx < fnc;
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}
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inline int <T>FPlex::low() const
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{
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return lo;
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}
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inline int <T>FPlex::high() const
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{
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return fnc - 1;
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}
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inline Pix <T>FPlex::first() const
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{
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return (Pix)(hd-><T>IChunk::first_pointer());
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}
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inline void <T>FPlex::prev(Pix& p) const
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{
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p = Pix(hd-><T>IChunk::pred((<T>*) p));
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}
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inline void <T>FPlex::next(Pix& p) const
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{
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p = Pix(hd-><T>IChunk::succ((<T>*) p));
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}
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inline Pix <T>FPlex::last() const
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{
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return Pix(hd-><T>IChunk::last_pointer());
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}
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inline int <T>FPlex::full () const
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{
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return fnc - lo == csize;
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}
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inline void <T>FPlex::prev(int& idx) const
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{
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--idx;
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}
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inline void <T>FPlex::next(int& idx) const
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{
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++idx;
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}
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inline <T>& <T>FPlex:: operator [] (int idx)
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{
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if (idx < lo || idx >= fnc) index_error();
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return *(hd->pointer_to(idx));
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}
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inline <T>& <T>FPlex:: operator () (Pix p)
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{
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return *((<T>*)p);
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}
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inline <T>& <T>FPlex::low_element ()
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{
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if (empty()) index_error();
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return *(hd->pointer_to(lo));
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}
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inline <T>& <T>FPlex::high_element ()
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{
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if (empty()) index_error();
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return *(hd->pointer_to(fnc - 1));
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}
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inline const <T>& <T>FPlex:: operator [] (int idx) const
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{
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if (idx < lo || idx >= fnc) index_error();
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return *(hd->pointer_to(idx));
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}
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inline const <T>& <T>FPlex:: operator () (Pix p) const
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{
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return *((const <T>*)p);
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}
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inline const <T>& <T>FPlex::low_element () const
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{
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if (empty()) index_error();
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return *(hd->pointer_to(lo));
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}
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inline const <T>& <T>FPlex::high_element () const
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{
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if (empty()) index_error();
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return *(hd->pointer_to(fnc - 1));
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}
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inline int <T>FPlex::can_add_high() const
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{
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return hd->can_grow_high();
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}
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inline int <T>FPlex::can_add_low() const
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{
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return hd->can_grow_low();
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}
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inline int <T>FPlex::add_high(const <T&> elem)
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{
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if (!can_add_high()) full_error();
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*((hd-><T>IChunk::grow_high())) = elem;
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return fnc++;
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}
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inline int <T>FPlex::del_high ()
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{
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if (empty()) empty_error();
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hd-><T>IChunk::shrink_high();
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return --fnc - 1;
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}
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inline int <T>FPlex::add_low (const <T&> elem)
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{
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if (!can_add_low()) full_error();
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*((hd-><T>IChunk::grow_low())) = elem;
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return --lo;
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}
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inline int <T>FPlex::del_low ()
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{
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if (empty()) empty_error();
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hd-><T>IChunk::shrink_low();
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return ++lo;
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}
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inline int <T>FPlex::owns (Pix p) const
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{
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return hd->actual_pointer((<T>*)p);
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}
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inline int <T>FPlex::Pix_to_index(Pix p) const
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{
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if (!hd->actual_pointer((const <T>*)p)) index_error();
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return hd->index_of((const <T>*)p);
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}
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inline Pix <T>FPlex::index_to_Pix(int idx) const
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{
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if (idx < lo || idx >= fnc) index_error();
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return Pix(hd->pointer_to(idx));
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}
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inline <T>FPlex::~<T>FPlex() {}
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#endif
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