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slice.h

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00001 // The template and inlines for the -*- C++ -*- slice class.
00002 
00003 // Copyright (C) 1997-1999, 2001 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the
00007 // terms of the GNU General Public License as published by the
00008 // Free Software Foundation; either version 2, or (at your option)
00009 // any later version.
00010 
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License for more details.
00015 
00016 // You should have received a copy of the GNU General Public License along
00017 // with this library; see the file COPYING.  If not, write to the Free
00018 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
00019 // USA.
00020 
00021 // As a special exception, you may use this file as part of a free software
00022 // library without restriction.  Specifically, if other files instantiate
00023 // templates or use macros or inline functions from this file, or you compile
00024 // this file and link it with other files to produce an executable, this
00025 // file does not by itself cause the resulting executable to be covered by
00026 // the GNU General Public License.  This exception does not however
00027 // invalidate any other reasons why the executable file might be covered by
00028 // the GNU General Public License.
00029 
00030 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr>
00031 
00032 #ifndef _CPP_BITS_SLICE_H
00033 #define _CPP_BITS_SLICE_H 1
00034 
00035 #pragma GCC system_header
00036 
00037 namespace std
00038 {
00039 
00040 class slice
00041 {
00042 public:
00043     slice ();
00044     slice (size_t, size_t, size_t);
00045 
00046     size_t start () const;
00047     size_t size () const;
00048     size_t stride () const;
00049 
00050 private:
00051     size_t _M_off;                      // offset
00052     size_t _M_sz;           // size
00053     size_t _M_st;           // stride unit
00054 };
00055 
00056 inline slice::slice () {}
00057 
00058 inline slice::slice (size_t __o, size_t __d, size_t __s)
00059         : _M_off (__o), _M_sz (__d), _M_st (__s) {}
00060 
00061 inline size_t
00062 slice::start () const
00063   { return _M_off; }
00064 
00065 inline size_t
00066 slice::size () const
00067   { return _M_sz; }
00068 
00069 inline size_t
00070 slice::stride () const
00071   { return _M_st; }
00072 
00073 } // std::
00074 
00075 
00076 #endif /* _CPP_BITS_SLICE_H */
00077 
00078 // Local Variables:
00079 // mode:c++
00080 // End:

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