text: /*
   *  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 count.inl
   *  \brief Inline file for count.h.
   */
  
  #include <thrust/detail/config.h>
  #include <thrust/count.h>
  #include <thrust/iterator/iterator_traits.h>
  #include <thrust/system/detail/generic/select_system.h>
  #include <thrust/system/detail/generic/count.h>
  #include <thrust/system/detail/adl/count.h>
  
  namespace thrust
  {
  
  
  template<typename DerivedPolicy, typename InputIterator, typename EqualityComparable>
    typename thrust::iterator_traits<InputIterator>::difference_type
      count(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, InputIterator first, InputIterator last, const EqualityComparable& value)
  {
    using thrust::system::detail::generic::count;
    return count(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, last, value);
  } // end count()
  
  
  template<typename DerivedPolicy, typename InputIterator, typename Predicate>
    typename thrust::iterator_traits<InputIterator>::difference_type
      count_if(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, InputIterator first, InputIterator last, Predicate pred)
  {
    using thrust::system::detail::generic::count_if;
    return count_if(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, last, pred);
  } // end count_if()
  
  
  template <typename InputIterator, typename EqualityComparable>
  typename thrust::iterator_traits<InputIterator>::difference_type
  count(InputIterator first, InputIterator last, const EqualityComparable& value)
  {
    using thrust::system::detail::generic::select_system;
  
    typedef typename thrust::iterator_system<InputIterator>::type System;
  
    System system;
  
    return thrust::count(select_system(system), first, last, value);
  } // end count()
  
  
  template <typename InputIterator, typename Predicate>
  typename thrust::iterator_traits<InputIterator>::difference_type
  count_if(InputIterator first, InputIterator last, Predicate pred)
  {
    using thrust::system::detail::generic::select_system;
  
    typedef typename thrust::iterator_system<InputIterator>::type System;
  
    System system;
  
    return thrust::count_if(select_system(system), first, last, pred);
  } // end count_if()
  
  
  } // end namespace thrust
  
  