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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/system/detail/generic/equal.h>
#include <thrust/iterator/iterator_traits.h>
#include <thrust/detail/internal_functional.h>
#include <thrust/mismatch.h>
THRUST_NAMESPACE_BEGIN
namespace system
{
namespace detail
{
namespace generic
{
template<typename DerivedPolicy, typename InputIterator1, typename InputIterator2>
__host__ __device__
bool equal(thrust::execution_policy<DerivedPolicy> &exec, InputIterator1 first1, InputIterator1 last1, InputIterator2 first2)
{
typedef typename thrust::iterator_traits<InputIterator1>::value_type InputType1;
return thrust::equal(exec, first1, last1, first2, thrust::detail::equal_to<InputType1>());
}
// the == below could be a __host__ function in the case of std::vector::iterator::operator==
// we make this exception for equal and use __thrust_exec_check_disable__ because it is used in vector's implementation
__thrust_exec_check_disable__
template<typename DerivedPolicy, typename InputIterator1, typename InputIterator2, typename BinaryPredicate>
__host__ __device__
bool equal(thrust::execution_policy<DerivedPolicy> &exec, InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, BinaryPredicate binary_pred)
{
return thrust::mismatch(exec, first1, last1, first2, binary_pred).first == last1;
}
} // end generic
} // end detail
} // end system
THRUST_NAMESPACE_END
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