#$@%#$%!

Ngiler SH3LL 360
: / usr / include / c++ / 8 / parallel /

Information Server
MySQL : OFF Perl : OFF CURL : ON WGET : OFF PKEXEC : OFF

Directive	Local Value
IP Address	162.0.209.101
System	Linux premium169.web-hosting.com 4.18.0-553.50.1.lve.el8.x86_64 #1 SMP Thu Apr 17 19:10:24 UTC 2025 x86_64
User	luxeelil
PHP Version	8.0.30
Software	LiteSpeed
Doc root	Writable

Edit File : equally_split.h \| Size : 3.28 KB
// -- C++ -- // Copyright (C) 2007-2018 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the terms // of the GNU General Public License as published by the Free Software // Foundation; either version 3, 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 // General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // <http://www.gnu.org/licenses/>. /** @file parallel/equally_split.h * This file is a GNU parallel extension to the Standard C++ Library. / // Written by Johannes Singler. #ifndef _GLIBCXX_PARALLEL_EQUALLY_SPLIT_H #define _GLIBCXX_PARALLEL_EQUALLY_SPLIT_H 1 namespace __gnu_parallel { /* @brief function to split a sequence into parts of almost equal size. * * The resulting sequence __s of length __num_threads+1 contains the * splitting positions when splitting the range [0,__n) into parts of * almost equal size (plus minus 1). The first entry is 0, the last * one n. There may result empty parts. * @param __n Number of elements * @param __num_threads Number of parts * @param __s Splitters * @returns End of __splitter sequence, i.e. @c __s+__num_threads+1 / template<typename _DifferenceType, typename _OutputIterator> _OutputIterator __equally_split(_DifferenceType __n, _ThreadIndex __num_threads, _OutputIterator __s) { _DifferenceType __chunk_length = __n / __num_threads; _DifferenceType __num_longer_chunks = __n % __num_threads; _DifferenceType __pos = 0; for (_ThreadIndex __i = 0; __i < __num_threads; ++__i) { __s++ = __pos; __pos += ((__i < __num_longer_chunks) ? (__chunk_length + 1) : __chunk_length); } __s++ = __n; return __s; } /* @brief function to split a sequence into parts of almost equal size. * * Returns the position of the splitting point between * thread number __thread_no (included) and * thread number __thread_no+1 (excluded). * @param __n Number of elements * @param __num_threads Number of parts * @param __thread_no Number of threads * @returns splitting point / template<typename _DifferenceType> _DifferenceType __equally_split_point(_DifferenceType __n, _ThreadIndex __num_threads, _ThreadIndex __thread_no) { _DifferenceType __chunk_length = __n / __num_threads; _DifferenceType __num_longer_chunks = __n % __num_threads; if (__thread_no < __num_longer_chunks) return __thread_no (__chunk_length + 1); else return __num_longer_chunks * (__chunk_length + 1) + (__thread_no - __num_longer_chunks) * __chunk_length; } } #endif /* _GLIBCXX_PARALLEL_EQUALLY_SPLIT_H */ Back

Edit File : equally_split.h | Size : 3.28 KB

// -*- C++ -*-

// Copyright (C) 2007-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License as published by the Free Software
// Foundation; either version 3, 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
// General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/** @file parallel/equally_split.h
 *  This file is a GNU parallel extension to the Standard C++ Library.
 */

// Written by Johannes Singler.

#ifndef _GLIBCXX_PARALLEL_EQUALLY_SPLIT_H
#define _GLIBCXX_PARALLEL_EQUALLY_SPLIT_H 1

namespace __gnu_parallel
{
  /** @brief function to split a sequence into parts of almost equal size.
   *
   *  The resulting sequence __s of length __num_threads+1 contains the
   *  splitting positions when splitting the range [0,__n) into parts of
   *  almost equal size (plus minus 1).  The first entry is 0, the last
   *  one n. There may result empty parts.
   *  @param __n Number of elements
   *  @param __num_threads Number of parts
   *  @param __s Splitters
   *  @returns End of __splitter sequence, i.e. @c __s+__num_threads+1 */
  template<typename _DifferenceType, typename _OutputIterator>
    _OutputIterator
    __equally_split(_DifferenceType __n, _ThreadIndex __num_threads,
		    _OutputIterator __s)
    {
      _DifferenceType __chunk_length = __n / __num_threads;
      _DifferenceType __num_longer_chunks = __n % __num_threads;
      _DifferenceType __pos = 0;
      for (_ThreadIndex __i = 0; __i < __num_threads; ++__i)
	{
	  *__s++ = __pos;
	  __pos += ((__i < __num_longer_chunks)
		    ? (__chunk_length + 1) : __chunk_length);
	}
      *__s++ = __n;
      return __s;
    }

/** @brief function to split a sequence into parts of almost equal size.
   *
   *  Returns the position of the splitting point between
   *  thread number __thread_no (included) and
   *  thread number __thread_no+1 (excluded).
   *  @param __n Number of elements
   *  @param __num_threads Number of parts
   *  @param __thread_no Number of threads
   *  @returns splitting point */
  template<typename _DifferenceType>
    _DifferenceType
    __equally_split_point(_DifferenceType __n,
			  _ThreadIndex __num_threads,
			  _ThreadIndex __thread_no)
    {
      _DifferenceType __chunk_length = __n / __num_threads;
      _DifferenceType __num_longer_chunks = __n % __num_threads;
      if (__thread_no < __num_longer_chunks)
	return __thread_no * (__chunk_length + 1);
      else
	return __num_longer_chunks * (__chunk_length + 1)
          + (__thread_no - __num_longer_chunks) * __chunk_length;
    }
}

#endif /* _GLIBCXX_PARALLEL_EQUALLY_SPLIT_H */

Back