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/*
* Copyright 2008-2013 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/tuple.h>
#include <thrust/type_traits/integer_sequence.h>
THRUST_NAMESPACE_BEGIN
namespace detail
{
// introduce an intermediate type tuple_meta_transform_WAR_NVCC
// rather than directly specializing tuple_meta_transform with
// default argument IndexSequence = thrust::make_index_sequence<thrust::tuple_size<Tuple>::value>
// to workaround nvcc 11.0 compiler bug
template<typename Tuple,
template<typename> class UnaryMetaFunction,
typename IndexSequence>
struct tuple_meta_transform_WAR_NVCC;
template<typename Tuple,
template<typename> class UnaryMetaFunction,
size_t... Is>
struct tuple_meta_transform_WAR_NVCC<Tuple, UnaryMetaFunction, thrust::index_sequence<Is...>>
{
typedef thrust::tuple<
typename UnaryMetaFunction<typename thrust::tuple_element<Is,Tuple>::type>::type...
> type;
};
template<typename Tuple,
template<typename> class UnaryMetaFunction>
struct tuple_meta_transform
{
typedef typename tuple_meta_transform_WAR_NVCC<Tuple, UnaryMetaFunction, thrust::make_index_sequence<thrust::tuple_size<Tuple>::value>>::type type;
};
} // end detail
THRUST_NAMESPACE_END
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