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* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the NVIDIA CORPORATION nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************/
#pragma once
#include <thrust/detail/config.h>
#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
# pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
# pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
# pragma system_header
#endif // no system header
#if THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_NVCC
#include <thrust/system/cuda/detail/copy_if.h>
THRUST_NAMESPACE_BEGIN
namespace cuda_cub {
// in-place
template <class Derived,
class InputIt,
class StencilIt,
class Predicate>
InputIt __host__ __device__
remove_if(execution_policy<Derived> &policy,
InputIt first,
InputIt last,
StencilIt stencil,
Predicate predicate)
{
return cuda_cub::copy_if(policy, first, last, stencil, first,
thrust::detail::not1(predicate));
}
template <class Derived,
class InputIt,
class Predicate>
InputIt __host__ __device__
remove_if(execution_policy<Derived> &policy,
InputIt first,
InputIt last,
Predicate predicate)
{
return cuda_cub::copy_if(policy, first, last, first,
thrust::detail::not1(predicate));
}
template <class Derived,
class InputIt,
class T>
InputIt __host__ __device__
remove(execution_policy<Derived> &policy,
InputIt first,
InputIt last,
const T & value)
{
using thrust::placeholders::_1;
return cuda_cub::remove_if(policy, first, last, _1 == value);
}
// copy
template <class Derived,
class InputIt,
class StencilIt,
class OutputIt,
class Predicate>
OutputIt __host__ __device__
remove_copy_if(execution_policy<Derived> &policy,
InputIt first,
InputIt last,
StencilIt stencil,
OutputIt result,
Predicate predicate)
{
return cuda_cub::copy_if(policy, first, last, stencil, result,
thrust::detail::not1(predicate));
}
template <class Derived,
class InputIt,
class OutputIt,
class Predicate>
OutputIt __host__ __device__
remove_copy_if(execution_policy<Derived> &policy,
InputIt first,
InputIt last,
OutputIt result,
Predicate predicate)
{
return cuda_cub::copy_if(policy, first, last, result,
thrust::detail::not1(predicate));
}
template <class Derived,
class InputIt,
class OutputIt,
class T>
OutputIt __host__ __device__
remove_copy(execution_policy<Derived> &policy,
InputIt first,
InputIt last,
OutputIt result,
const T & value)
{
thrust::detail::equal_to_value<T> pred(value);
return cuda_cub::remove_copy_if(policy, first, last, result, pred);
}
} // namespace cuda_cub
THRUST_NAMESPACE_END
#endif
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