text: /*
   *  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.
   */
  
  
  /*! \file scan_by_key.h
   *  \brief Generic implementations of key-value scans.
   */
  
  #pragma once
  
  #include <thrust/detail/config.h>
  #include <thrust/system/detail/generic/tag.h>
  
  namespace thrust
  {
  namespace system
  {
  namespace detail
  {
  namespace generic
  {
  
  
  template<typename DerivedPolicy,
           typename InputIterator1,
           typename InputIterator2,
           typename OutputIterator>
    OutputIterator inclusive_scan_by_key(thrust::execution_policy<DerivedPolicy> &exec,
                                         InputIterator1 first1,
                                         InputIterator1 last1,
                                         InputIterator2 first2,
                                         OutputIterator result);
  
  
  template<typename DerivedPolicy,
           typename InputIterator1,
           typename InputIterator2,
           typename OutputIterator,
           typename BinaryPredicate>
    OutputIterator inclusive_scan_by_key(thrust::execution_policy<DerivedPolicy> &exec,
                                         InputIterator1 first1,
                                         InputIterator1 last1,
                                         InputIterator2 first2,
                                         OutputIterator result,
                                         BinaryPredicate binary_pred);
  
  
  template<typename DerivedPolicy,
           typename InputIterator1,
           typename InputIterator2,
           typename OutputIterator,
           typename BinaryPredicate,
           typename AssociativeOperator>
    OutputIterator inclusive_scan_by_key(thrust::execution_policy<DerivedPolicy> &exec,
                                         InputIterator1 first1,
                                         InputIterator1 last1,
                                         InputIterator2 first2,
                                         OutputIterator result,
                                         BinaryPredicate binary_pred,
                                         AssociativeOperator binary_op);
  
  
  template<typename DerivedPolicy,
           typename InputIterator1,
           typename InputIterator2,
           typename OutputIterator>
    OutputIterator exclusive_scan_by_key(thrust::execution_policy<DerivedPolicy> &exec,
                                         InputIterator1 first1,
                                         InputIterator1 last1,
                                         InputIterator2 first2,
                                         OutputIterator result);
  
  
  template<typename DerivedPolicy,
           typename InputIterator1,
           typename InputIterator2,
           typename OutputIterator,
           typename T>
    OutputIterator exclusive_scan_by_key(thrust::execution_policy<DerivedPolicy> &exec,
                                         InputIterator1 first1,
                                         InputIterator1 last1,
                                         InputIterator2 first2,
                                         OutputIterator result,
                                         T init);
  
  
  template<typename DerivedPolicy,
           typename InputIterator1,
           typename InputIterator2,
           typename OutputIterator,
           typename T,
           typename BinaryPredicate>
    OutputIterator exclusive_scan_by_key(thrust::execution_policy<DerivedPolicy> &exec,
                                         InputIterator1 first1,
                                         InputIterator1 last1,
                                         InputIterator2 first2,
                                         OutputIterator result,
                                         T init,
                                         BinaryPredicate binary_pred);
  
  
  template<typename DerivedPolicy,
           typename InputIterator1,
           typename InputIterator2,
           typename OutputIterator,
           typename T,
           typename BinaryPredicate,
           typename AssociativeOperator>
    OutputIterator exclusive_scan_by_key(thrust::execution_policy<DerivedPolicy> &exec,
                                         InputIterator1 first1,
                                         InputIterator1 last1,
                                         InputIterator2 first2,
                                         OutputIterator result,
                                         T init,
                                         BinaryPredicate binary_pred,
                                         AssociativeOperator binary_op);
  
  } // end namespace generic
  } // end namespace detail
  } // end namespace system
  } // end namespace thrust
  
  #include <thrust/system/detail/generic/scan_by_key.inl>
  
  