57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
|
/**
|
||
|
|
* Copyright (c) 2015-present, Facebook, Inc.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* This source code is licensed under the BSD+Patents license found in the
|
||
|
|
* LICENSE file in the root directory of this source tree.
|
||
|
|
*/
|
||
|
|
|
||
|
|
// Copyright 2004-present Facebook. All Rights Reserved
|
||
|
|
// -*- c++ -*-
|
||
|
|
// I/O code for indexes
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef FAISS_INDEX_IO_C_H
|
||
|
|
#define FAISS_INDEX_IO_C_H
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include "faiss_c.h"
|
||
|
|
#include "Index_c.h"
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/** Write index to a file.
|
||
|
|
* This is equivalent to `faiss::write_index` when a file descriptor is provided.
|
||
|
|
*/
|
||
|
|
int faiss_write_index(const FaissIndex *idx, FILE *f);
|
||
|
|
|
||
|
|
/** Write index to a file.
|
||
|
|
* This is equivalent to `faiss::write_index` when a file path is provided.
|
||
|
|
*/
|
||
|
|
int faiss_write_index_fname(const FaissIndex *idx, const char *fname);
|
||
|
|
|
||
|
|
#define FAISS_IO_FLAG_MMAP 1
|
||
|
|
#define FAISS_IO_FLAG_READ_ONLY 2
|
||
|
|
|
||
|
|
/** Read index from a file.
|
||
|
|
* This is equivalent to `faiss:read_index` when a file descriptor is given.
|
||
|
|
*/
|
||
|
|
int faiss_read_index(FILE *f, int io_flags, FaissIndex **p_out);
|
||
|
|
|
||
|
|
/** Read index from a file.
|
||
|
|
* This is equivalent to `faiss:read_index` when a file path is given.
|
||
|
|
*/
|
||
|
|
int faiss_read_index_fname(const char *fname, int io_flags, FaissIndex **p_out);
|
||
|
|
|
||
|
|
/* cloning functions */
|
||
|
|
|
||
|
|
/** Clone an index. This is equivalent to `faiss::clone_index` */
|
||
|
|
int faiss_clone_index (const FaissIndex *, FaissIndex ** p_out);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#endif
|