/*
 *  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/transform.h>
#include <thrust/iterator/iterator_traits.h>
#include <thrust/system/detail/generic/select_system.h>
#include <thrust/system/detail/generic/transform.h>
#include <thrust/system/detail/adl/transform.h>

THRUST_NAMESPACE_BEGIN


THRUST_EXEC_CHECK_DISABLE
template<typename DerivedPolicy,
         typename InputIterator,
         typename OutputIterator,
         typename UnaryFunction>
THRUST_HOST_DEVICE
  OutputIterator transform(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
                           InputIterator first, InputIterator last,
                           OutputIterator result,
                           UnaryFunction op)
{
  using thrust::system::detail::generic::transform;
  return transform(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, last, result, op);
} // end transform()


THRUST_EXEC_CHECK_DISABLE
template<typename DerivedPolicy,
         typename InputIterator1,
         typename InputIterator2,
         typename OutputIterator,
         typename BinaryFunction>
THRUST_HOST_DEVICE
  OutputIterator transform(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
                           InputIterator1 first1, InputIterator1 last1,
                           InputIterator2 first2,
                           OutputIterator result,
                           BinaryFunction op)
{
  using thrust::system::detail::generic::transform;
  return transform(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first1, last1, first2, result, op);
} // end transform()


THRUST_EXEC_CHECK_DISABLE
template<typename DerivedPolicy,
         typename InputIterator,
         typename ForwardIterator,
         typename UnaryFunction,
         typename Predicate>
THRUST_HOST_DEVICE
  ForwardIterator transform_if(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
                               InputIterator first, InputIterator last,
                               ForwardIterator result,
                               UnaryFunction op,
                               Predicate pred)
{
  using thrust::system::detail::generic::transform_if;
  return transform_if(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, last, result, op, pred);
} // end transform_if()


THRUST_EXEC_CHECK_DISABLE
template<typename DerivedPolicy,
         typename InputIterator1,
         typename InputIterator2,
         typename ForwardIterator,
         typename UnaryFunction,
         typename Predicate>
THRUST_HOST_DEVICE
  ForwardIterator transform_if(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
                               InputIterator1 first, InputIterator1 last,
                               InputIterator2 stencil,
                               ForwardIterator result,
                               UnaryFunction op,
                               Predicate pred)
{
  using thrust::system::detail::generic::transform_if;
  return transform_if(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, last, stencil, result, op, pred);
} // end transform_if()


THRUST_EXEC_CHECK_DISABLE
template<typename DerivedPolicy,
         typename InputIterator1,
         typename InputIterator2,
         typename InputIterator3,
         typename ForwardIterator,
         typename BinaryFunction,
         typename Predicate>
THRUST_HOST_DEVICE
  ForwardIterator transform_if(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
                               InputIterator1 first1, InputIterator1 last1,
                               InputIterator2 first2,
                               InputIterator3 stencil,
                               ForwardIterator result,
                               BinaryFunction binary_op,
                               Predicate pred)
{
  using thrust::system::detail::generic::transform_if;
  return transform_if(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first1, last1, first2, stencil, result, binary_op, pred);
} // end transform_if()


template<typename InputIterator,
         typename OutputIterator,
         typename UnaryFunction>
  OutputIterator transform(InputIterator first,
                           InputIterator last,
                           OutputIterator result,
                           UnaryFunction op)
{
  using thrust::system::detail::generic::select_system;

  using System1 = typename thrust::iterator_system<InputIterator>::type;
  using System2 = typename thrust::iterator_system<OutputIterator>::type;

  System1 system1;
  System2 system2;

  return thrust::transform(select_system(system1,system2), first, last, result, op);
} // end transform()


template<typename InputIterator1,
         typename InputIterator2,
         typename OutputIterator,
         typename BinaryFunction>
  OutputIterator transform(InputIterator1 first1,
                           InputIterator1 last1,
                           InputIterator2 first2,
                           OutputIterator result,
                           BinaryFunction op)
{
  using thrust::system::detail::generic::select_system;

  using System1 = typename thrust::iterator_system<InputIterator1>::type;
  using System2 = typename thrust::iterator_system<InputIterator2>::type;
  using System3 = typename thrust::iterator_system<OutputIterator>::type;

  System1 system1;
  System2 system2;
  System3 system3;

  return thrust::transform(select_system(system1,system2,system3), first1, last1, first2, result, op);
} // end transform()


template<typename InputIterator,
         typename ForwardIterator,
         typename UnaryFunction,
         typename Predicate>
  ForwardIterator transform_if(InputIterator first,
                               InputIterator last,
                               ForwardIterator result,
                               UnaryFunction unary_op,
                               Predicate pred)
{
  using thrust::system::detail::generic::select_system;

  using System1 = typename thrust::iterator_system<InputIterator>::type;
  using System2 = typename thrust::iterator_system<ForwardIterator>::type;

  System1 system1;
  System2 system2;

  return thrust::transform_if(select_system(system1,system2), first, last, result, unary_op, pred);
} // end transform_if()


template<typename InputIterator1,
         typename InputIterator2,
         typename ForwardIterator,
         typename UnaryFunction,
         typename Predicate>
  ForwardIterator transform_if(InputIterator1 first,
                               InputIterator1 last,
                               InputIterator2 stencil,
                               ForwardIterator result,
                               UnaryFunction unary_op,
                               Predicate pred)
{
  using thrust::system::detail::generic::select_system;

  using System1 = typename thrust::iterator_system<InputIterator1>::type;
  using System2 = typename thrust::iterator_system<InputIterator2>::type;
  using System3 = typename thrust::iterator_system<ForwardIterator>::type;

  System1 system1;
  System2 system2;
  System3 system3;

  return thrust::transform_if(select_system(system1,system2,system3), first, last, stencil, result, unary_op, pred);
} // end transform_if()


template<typename InputIterator1,
         typename InputIterator2,
         typename InputIterator3,
         typename ForwardIterator,
         typename BinaryFunction,
         typename Predicate>
  ForwardIterator transform_if(InputIterator1 first1,
                               InputIterator1 last1,
                               InputIterator2 first2,
                               InputIterator3 stencil,
                               ForwardIterator result,
                               BinaryFunction binary_op,
                               Predicate pred)
{
  using thrust::system::detail::generic::select_system;

  using System1 = typename thrust::iterator_system<InputIterator1>::type;
  using System2 = typename thrust::iterator_system<InputIterator2>::type;
  using System3 = typename thrust::iterator_system<InputIterator3>::type;
  using System4 = typename thrust::iterator_system<ForwardIterator>::type;

  System1 system1;
  System2 system2;
  System3 system3;
  System4 system4;

  return thrust::transform_if(select_system(system1,system2,system3,system4), first1, last1, first2, stencil, result, binary_op, pred);
} // end transform_if()


THRUST_NAMESPACE_END
