sort.h

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/*
 *  Copyright 2008-2014 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 <cusp/detail/config.h>

#include <thrust/execution_policy.h>

namespace cusp
{

/* \cond */
template <typename DerivedPolicy, typename ArrayType>
void counting_sort(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
                   ArrayType& keys,
                   typename ArrayType::value_type min, typename ArrayType::value_type max);
/* \endcond */

template <typename ArrayType>
void counting_sort(ArrayType& keys, typename ArrayType::value_type min, typename ArrayType::value_type max);

/* \cond */
template <typename DerivedPolicy, typename ArrayType1, typename ArrayType2>
void counting_sort_by_key(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
                          ArrayType1& keys, ArrayType2& vals,
                          typename ArrayType1::value_type min,
                          typename ArrayType1::value_type max);
/* \endcond */

template <typename ArrayType1, typename ArrayType2>
void counting_sort_by_key(ArrayType1& keys, ArrayType2& vals,
                          typename ArrayType1::value_type min,
                          typename ArrayType1::value_type max);


/* \cond */
template <typename DerivedPolicy, typename ArrayType1, typename ArrayType2, typename ArrayType3>
void sort_by_row(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
                 ArrayType1& row_indices, ArrayType2& column_indices, ArrayType3& values,
                 typename ArrayType1::value_type min_row = 0,
                 typename ArrayType1::value_type max_row = 0);
/* \endcond */

template <typename ArrayType1, typename ArrayType2, typename ArrayType3>
void sort_by_row(ArrayType1& row_indices, ArrayType2& column_indices, ArrayType3& values,
                 typename ArrayType1::value_type min_row = 0,
                 typename ArrayType1::value_type max_row = 0);

/* \cond */
template <typename DerivedPolicy, typename ArrayType1, typename ArrayType2, typename ArrayType3>
void sort_by_row_and_column(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
                            ArrayType1& row_indices, ArrayType2& column_indices, ArrayType3& values,
                            typename ArrayType1::value_type min_row = 0,
                            typename ArrayType1::value_type max_row = 0,
                            typename ArrayType2::value_type min_col = 0,
                            typename ArrayType2::value_type max_col = 0);
/* \endcond */

template <typename ArrayType1, typename ArrayType2, typename ArrayType3>
void sort_by_row_and_column(ArrayType1& row_indices, ArrayType2& column_indices, ArrayType3& values,
                            typename ArrayType1::value_type min_row = 0,
                            typename ArrayType1::value_type max_row = 0,
                            typename ArrayType2::value_type min_col = 0,
                            typename ArrayType2::value_type max_col = 0);
} // end namespace cusp

#include <cusp/detail/sort.inl>