/*
 *  Copyright 2008-2010 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 extrema.h
 *  \brief Host implementations of extrema functions.
 */

#pragma once

#include <thrust/pair.h>

namespace thrust
{

namespace detail
{

namespace host
{

template <typename ForwardIterator, typename BinaryPredicate>
thrust::pair<ForwardIterator,ForwardIterator> minmax_element(ForwardIterator first, 
                                                             ForwardIterator last,
                                                             BinaryPredicate comp)
{
    ForwardIterator imin = first;
    ForwardIterator imax = first;

    for (; first != last; first++)
    {
        if (comp(*first, *imin)) imin = first;
        if (comp(*imax, *first)) imax = first;
    }

    return thrust::make_pair(imin, imax);
}

} // end namespace host

} // end namespace detail

} // end namespace thrust