sort.h

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/*
 * nvbio
 * Copyright (c) 2011-2014, NVIDIA CORPORATION. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    * Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *    * Neither the name of the NVIDIA CORPORATION nor the
 *      names of its contributors may be used to endorse or promote products
 *      derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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 */

#pragma once

#include <nvbio/basic/types.h>

namespace nvbio {
namespace cuda {




template <typename Keys, typename Values = null_type>
struct SortBuffers
{
    SortBuffers() : selector(0) {}

    Keys current_keys() const { return keys[ selector ]; }

    Values current_values() const { return values[ selector ]; }

    uint32  selector;
    Keys    keys[2];
    Values  values[2];
};

struct SortEnactor
{
    SortEnactor();

    ~SortEnactor();

    void sort(const uint32 count, SortBuffers<uint8*, uint32*>& buffers, const uint32 begin_bit = 0, const uint32 end_bit = 8);
    void sort(const uint32 count, SortBuffers<uint16*,uint32*>& buffers, const uint32 begin_bit = 0, const uint32 end_bit = 16);
    void sort(const uint32 count, SortBuffers<uint32*,uint32*>& buffers, const uint32 begin_bit = 0, const uint32 end_bit = 32);
    void sort(const uint32 count, SortBuffers<uint32*,uint64*>& buffers, const uint32 begin_bit = 0, const uint32 end_bit = 32);
    void sort(const uint32 count, SortBuffers<uint64*,uint32*>& buffers, const uint32 begin_bit = 0, const uint32 end_bit = 64);
    void sort(const uint32 count, SortBuffers<uint8*>&          buffers, const uint32 begin_bit = 0, const uint32 end_bit = 8);
    void sort(const uint32 count, SortBuffers<uint16*>&         buffers, const uint32 begin_bit = 0, const uint32 end_bit = 16);
    void sort(const uint32 count, SortBuffers<uint32*>&         buffers, const uint32 begin_bit = 0, const uint32 end_bit = 32);
    void sort(const uint32 count, SortBuffers<uint64*>&         buffers, const uint32 begin_bit = 0, const uint32 end_bit = 64);

private:
    void*  m_impl;
};


} // namespace cuda
} // namespace nvbio