51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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// Copyright 2004-present Facebook. All Rights Reserved
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// -*- c++ -*-
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// I/O code for indexes
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#ifndef FAISS_INDEX_IO_C_H
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#define FAISS_INDEX_IO_C_H
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#include <stdio.h>
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#include "Index_c.h"
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#include "faiss_c.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Write index to a file.
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* This is equivalent to `faiss::write_index` when a file descriptor is
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* provided.
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*/
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int faiss_write_index(const FaissIndex* idx, FILE* f);
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/** Write index to a file.
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* This is equivalent to `faiss::write_index` when a file path is provided.
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*/
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int faiss_write_index_fname(const FaissIndex* idx, const char* fname);
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#define FAISS_IO_FLAG_MMAP 1
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#define FAISS_IO_FLAG_READ_ONLY 2
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/** Read index from a file.
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* This is equivalent to `faiss:read_index` when a file descriptor is given.
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*/
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int faiss_read_index(FILE* f, int io_flags, FaissIndex** p_out);
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/** Read index from a file.
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* This is equivalent to `faiss:read_index` when a file path is given.
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*/
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int faiss_read_index_fname(const char* fname, int io_flags, FaissIndex** p_out);
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#ifdef __cplusplus
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}
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#endif
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#endif
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