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 
00037 #ifndef _CPP_BITS_SLICE_H
00038 #define _CPP_BITS_SLICE_H 1
00039 
00040 #pragma GCC system_header
00041 
00042 namespace std
00043 {
00044 
00045 class slice
00046 {
00047 public:
00048     slice ();
00049     slice (size_t, size_t, size_t);
00050 
00051     size_t start () const;
00052     size_t size () const;
00053     size_t stride () const;
00054 
00055 private:
00056     size_t _M_off;                      // offset
00057     size_t _M_sz;           // size
00058     size_t _M_st;           // stride unit
00059 };
00060 
00061 inline slice::slice () {}
00062 
00063 inline slice::slice (size_t __o, size_t __d, size_t __s)
00064         : _M_off (__o), _M_sz (__d), _M_st (__s) {}
00065 
00066 inline size_t
00067 slice::start () const
00068   { return _M_off; }
00069 
00070 inline size_t
00071 slice::size () const
00072   { return _M_sz; }
00073 
00074 inline size_t
00075 slice::stride () const
00076   { return _M_st; }
00077 
00078 } // std::
00079 
00080 
00081 #endif /* _CPP_BITS_SLICE_H */
00082 
00083 // Local Variables:
00084 // mode:c++
00085 // End:

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