/*
 *  Copyright 2008-2012 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.
 */


/*! \file scan.inl
 *  \brief Inline file for scan.h.
 */

#include <thrust/detail/config.h>
#include <thrust/detail/static_assert.h>

#include <thrust/system/cuda/detail/detail/fast_scan.h>

namespace thrust
{
namespace system
{
namespace cuda
{
namespace detail
{

template<typename DerivedPolicy,
         typename InputIterator,
         typename OutputIterator,
         typename AssociativeOperator>
  OutputIterator inclusive_scan(execution_policy<DerivedPolicy> &exec,
                                InputIterator first,
                                InputIterator last,
                                OutputIterator result,
                                AssociativeOperator binary_op)
{
    // we're attempting to launch a kernel, assert we're compiling with nvcc
    // ========================================================================
    // X Note to the user: If you've found this line due to a compiler error, X
    // X you need to compile your code using nvcc, rather than g++ or cl.exe  X
    // ========================================================================
    THRUST_STATIC_ASSERT( (thrust::detail::depend_on_instantiation<InputIterator, THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_NVCC>::value) );
    
    return thrust::system::cuda::detail::detail::fast_scan::inclusive_scan(exec, first, last, result, binary_op);
}

template<typename DerivedPolicy,
         typename InputIterator,
         typename OutputIterator,
         typename T,
         typename AssociativeOperator>
  OutputIterator exclusive_scan(execution_policy<DerivedPolicy> &exec,
                                InputIterator first,
                                InputIterator last,
                                OutputIterator result,
                                T init,
                                AssociativeOperator binary_op)
{
    // we're attempting to launch a kernel, assert we're compiling with nvcc
    // ========================================================================
    // X Note to the user: If you've found this line due to a compiler error, X
    // X you need to compile your code using nvcc, rather than g++ or cl.exe  X
    // ========================================================================
    THRUST_STATIC_ASSERT( (thrust::detail::depend_on_instantiation<InputIterator, THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_NVCC>::value) );

    return thrust::system::cuda::detail::detail::fast_scan::exclusive_scan(exec, first, last, result, init, binary_op);
}

} // end namespace detail
} // end namespace cuda
} // end namespace system
} // end namespace thrust