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/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
// -*- c++ -*-
#include "IndexIVFFlat_c.h"
#include <faiss/IndexIVFFlat.h>
#include "Clustering_c.h"
#include "Index_c.h"
#include "macros_impl.h"
using faiss::Index;
using faiss::IndexIVFFlat;
using faiss::MetricType;
DEFINE_DESTRUCTOR(IndexIVFFlat)
DEFINE_INDEX_DOWNCAST(IndexIVFFlat)
/// number of possible key values
DEFINE_GETTER(IndexIVFFlat, size_t, nlist)
/// number of probes at query time
DEFINE_GETTER(IndexIVFFlat, size_t, nprobe)
DEFINE_SETTER(IndexIVFFlat, size_t, nprobe)
/// quantizer that maps vectors to inverted lists
DEFINE_GETTER_PERMISSIVE(IndexIVFFlat, FaissIndex*, quantizer)
/**
* = 0: use the quantizer as index in a kmeans training
* = 1: just pass on the training set to the train() of the quantizer
* = 2: kmeans training on a flat index + add the centroids to the quantizer
*/
DEFINE_GETTER(IndexIVFFlat, char, quantizer_trains_alone)
/// whether object owns the quantizer
DEFINE_GETTER(IndexIVFFlat, int, own_fields)
DEFINE_SETTER(IndexIVFFlat, int, own_fields)
int faiss_IndexIVFFlat_new(FaissIndexIVFFlat** p_index) {
try {
*p_index = reinterpret_cast<FaissIndexIVFFlat*>(new IndexIVFFlat());
}
CATCH_AND_HANDLE
}
int faiss_IndexIVFFlat_new_with(
FaissIndexIVFFlat** p_index,
FaissIndex* quantizer,
size_t d,
size_t nlist) {
try {
auto q = reinterpret_cast<Index*>(quantizer);
*p_index = reinterpret_cast<FaissIndexIVFFlat*>(
new IndexIVFFlat(q, d, nlist));
}
CATCH_AND_HANDLE
}
int faiss_IndexIVFFlat_new_with_metric(
FaissIndexIVFFlat** p_index,
FaissIndex* quantizer,
size_t d,
size_t nlist,
FaissMetricType metric) {
try {
auto q = reinterpret_cast<Index*>(quantizer);
auto m = static_cast<MetricType>(metric);
*p_index = reinterpret_cast<FaissIndexIVFFlat*>(
new IndexIVFFlat(q, d, nlist, m));
}
CATCH_AND_HANDLE
}
int faiss_IndexIVFFlat_add_core(
FaissIndexIVFFlat* index,
idx_t n,
const float* x,
const idx_t* xids,
const int64_t* precomputed_idx) {
try {
reinterpret_cast<IndexIVFFlat*>(index)->add_core(
n, x, xids, precomputed_idx);
}
CATCH_AND_HANDLE
}
int faiss_IndexIVFFlat_update_vectors(
FaissIndexIVFFlat* index,
int nv,
idx_t* idx,
const float* v) {
try {
reinterpret_cast<IndexIVFFlat*>(index)->update_vectors(nv, idx, v);
}
CATCH_AND_HANDLE
}
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