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      1 // <execution> -*- C++ -*-
      2 
      3 // Copyright (C) 2018-2024 Free Software Foundation, Inc.
      4 //
      5 // This file is part of the GNU ISO C++ Library.  This library is free
      6 // software; you can redistribute it and/or modify it under the
      7 // terms of the GNU General Public License as published by the
      8 // Free Software Foundation; either version 3, or (at your option)
      9 // any later version.
     10 
     11 // This library is distributed in the hope that it will be useful,
     12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14 // GNU General Public License for more details.
     15 
     16 // Under Section 7 of GPL version 3, you are granted additional
     17 // permissions described in the GCC Runtime Library Exception, version
     18 // 3.1, as published by the Free Software Foundation.
     19 
     20 // You should have received a copy of the GNU General Public License and
     21 // a copy of the GCC Runtime Library Exception along with this program;
     22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     23 // <http://www.gnu.org/licenses/>.
     24 
     25 #ifndef _GLIBCXX_EXECUTION
     26 #define _GLIBCXX_EXECUTION 1
     27 
     28 #pragma GCC system_header
     29 
     30 #include <bits/requires_hosted.h> // execution policies are hosted only
     31 
     32 #define __glibcxx_want_parallel_algorithm
     33 #define __glibcxx_want_execution
     34 #include <bits/version.h>
     35 
     36 // C++ >= 17 && HOSTED
     37 #if defined(__cpp_lib_parallel_algorithm) || defined(__cpp_lib_execution)
     38 # include <bits/c++config.h>
     39 # include <pstl/glue_execution_defs.h>
     40 
     41 # define _PSTL_EXECUTION_POLICIES_DEFINED 1
     42 
     43 // Algorithm implementation
     44 # if _PSTL_ALGORITHM_FORWARD_DECLARED
     45 #  include <pstl/glue_algorithm_impl.h>
     46 # endif
     47 
     48 // Numeric implementation
     49 # if _PSTL_NUMERIC_FORWARD_DECLARED
     50 #  include <pstl/glue_numeric_impl.h>
     51 # endif
     52 
     53 // Memory implementation
     54 # if _PSTL_NUMERIC_FORWARD_DECLARED
     55 #  include <pstl/glue_memory_impl.h>
     56 # endif
     57 
     58 #endif // C++17
     59 
     60 #endif /* _GLIBCXX_EXECUTION */
     61