// Licensed to the .NET Foundation under one or more agreements.

// The .NET Foundation licenses this file to you under the MIT license.

// See the LICENSE file in the project root for more information.

#include "lda_document.h"

namespace lda

{

LDADocument::LDADocument(int32_t* memory_begin, int32_t* memory_end) :

memory_begin_(memory_begin), memory_end_(memory_end), cursor_(*memory_begin) {}

// should be called when sweeped over all the tokens in a document

void LDADocument::ResetCursor()

{

cursor_ = 0;

}

void LDADocument::GetDocTopicCounter(lda::light_hash_map& doc_topic_counter)

{

int32_t* p = memory_begin_ + 2;

int32_t num = 0;

while (p < memory_end_)

{

doc_topic_counter.inc(*p, 1);

++p; ++p;

if (++num == 512)

return;

}

}

}