dlib C++ Library - entropy_encoder_kernel_c.h

    // Copyright (C) 2003  Davis E. King (davis@dlib.net)
    // License: Boost Software License   See LICENSE.txt for the full license.
    #ifndef DLIB_ENTROPY_ENCODER_KERNEl_C_
    #define DLIB_ENTROPY_ENCODER_KERNEl_C_

    #include "entropy_encoder_kernel_abstract.h"
    #include "../algs.h"
    #include "../assert.h"
    #include <iostream>

    namespace dlib
    {

        template <
            typename encoder
            >
        class entropy_encoder_kernel_c : public encoder
        {

            public:
                std::ostream& get_stream (
                ) const;

                void encode (
                    uint32 low_count,
                    uint32 high_count,
                    uint32 total
                );

                void flush (
                );

        };

    // ----------------------------------------------------------------------------------------
    // ----------------------------------------------------------------------------------------
        // member function definitions
    // ----------------------------------------------------------------------------------------
    // ----------------------------------------------------------------------------------------

        template <
            typename encoder
            >
        std::ostream& entropy_encoder_kernel_c<encoder>::
        get_stream (
        ) const
        {
            // make sure requires clause is not broken
            DLIB_CASSERT( this->stream_is_set() == true,
                "\tstd::ostream& entropy_encoder::get_stream()"
                << "\n\tyou must set a stream for this object before you can get it"
                << "\n\tthis: " << this
                );

            // call the real function
            return encoder::get_stream();
        }

    // ----------------------------------------------------------------------------------------

        template <
            typename encoder
            >
        void entropy_encoder_kernel_c<encoder>::
        encode (
            uint32 low_count,
            uint32 high_count,
            uint32 total
        )
        {
            // make sure requires clause is not broken
            DLIB_CASSERT( (0 < total) && (total < 65536) && (low_count < high_count) && (high_count <= total) &&
                    (this->stream_is_set() == true),
                "\tvoid entropy_encoder::encode()"
                << "\n\trefer to the ensures clause for this function for further information"
                << "\n\tthis:            " << this
                << "\n\ttotal:           " << total
                << "\n\tlow_count:       " << low_count
                << "\n\thigh_count:      " << high_count
                << "\n\tis_stream_set(): " << (this->stream_is_set() ? "true" : "false" )
                );

            // call the real function
            encoder::encode(low_count,high_count,total);
        }

    // ----------------------------------------------------------------------------------------

        template <
            typename encoder
            >
        void entropy_encoder_kernel_c<encoder>::
        flush (
        )
        {
            // make sure requires clause is not broken
            DLIB_CASSERT( this->stream_is_set() == true,
                "\tvoid entropy_encoder::flush()"
                << "\n\tyou must set a stream for this object before you can flush to it"
                << "\n\tthis: " << this
                );

            // call the real function
            encoder::flush();
        }

    // ----------------------------------------------------------------------------------------

    }

    #endif // DLIB_ENTROPY_ENCODER_KERNEl_C_