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/*
* Copyright 2008-2020 NVIDIA Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <thrust/detail/config.h>
#include <thrust/detail/cpp11_required.h>
#if THRUST_CPP_DIALECT >= 2011
#include <thrust/iterator/iterator_traits.h>
#include <thrust/shuffle.h>
#include <thrust/system/detail/generic/select_system.h>
#include <thrust/system/detail/generic/shuffle.h>
THRUST_NAMESPACE_BEGIN
__thrust_exec_check_disable__
template <typename DerivedPolicy, typename RandomIterator, typename URBG>
__host__ __device__ void shuffle(
const thrust::detail::execution_policy_base<DerivedPolicy>& exec,
RandomIterator first, RandomIterator last, URBG&& g) {
using thrust::system::detail::generic::shuffle;
return shuffle(
thrust::detail::derived_cast(thrust::detail::strip_const(exec)),
first, last, g);
}
template <typename RandomIterator, typename URBG>
__host__ __device__ void shuffle(RandomIterator first, RandomIterator last,
URBG&& g) {
using thrust::system::detail::generic::select_system;
typedef typename thrust::iterator_system<RandomIterator>::type System;
System system;
return thrust::shuffle(select_system(system), first, last, g);
}
__thrust_exec_check_disable__
template <typename DerivedPolicy, typename RandomIterator,
typename OutputIterator, typename URBG>
__host__ __device__ void shuffle_copy(
const thrust::detail::execution_policy_base<DerivedPolicy>& exec,
RandomIterator first, RandomIterator last, OutputIterator result,
URBG&& g) {
using thrust::system::detail::generic::shuffle_copy;
return shuffle_copy(
thrust::detail::derived_cast(thrust::detail::strip_const(exec)),
first, last, result, g);
}
template <typename RandomIterator, typename OutputIterator, typename URBG>
__host__ __device__ void shuffle_copy(RandomIterator first, RandomIterator last,
OutputIterator result, URBG&& g) {
using thrust::system::detail::generic::select_system;
typedef typename thrust::iterator_system<RandomIterator>::type System1;
typedef typename thrust::iterator_system<OutputIterator>::type System2;
System1 system1;
System2 system2;
return thrust::shuffle_copy(select_system(system1, system2), first, last,
result, g);
}
THRUST_NAMESPACE_END
#endif
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