112 lines
3.4 KiB
C++
112 lines
3.4 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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// -*- c++ -*-
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#include "IndexScalarQuantizer_c.h"
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#include <faiss/IndexScalarQuantizer.h>
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#include <faiss/impl/ScalarQuantizer.h>
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#include "macros_impl.h"
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using faiss::Index;
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using faiss::IndexIVFScalarQuantizer;
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using faiss::IndexScalarQuantizer;
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DEFINE_DESTRUCTOR(IndexScalarQuantizer)
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DEFINE_INDEX_DOWNCAST(IndexScalarQuantizer)
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int faiss_IndexScalarQuantizer_new(FaissIndexScalarQuantizer** p_index) {
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try {
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*p_index = reinterpret_cast<FaissIndexScalarQuantizer*>(
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new IndexScalarQuantizer());
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}
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CATCH_AND_HANDLE
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}
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int faiss_IndexScalarQuantizer_new_with(
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FaissIndexScalarQuantizer** p_index,
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idx_t d,
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FaissQuantizerType qt,
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FaissMetricType metric) {
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try {
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IndexScalarQuantizer* index = new IndexScalarQuantizer(
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d,
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static_cast<faiss::ScalarQuantizer::QuantizerType>(qt),
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static_cast<faiss::MetricType>(metric));
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*p_index = reinterpret_cast<FaissIndexScalarQuantizer*>(index);
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return 0;
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}
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CATCH_AND_HANDLE
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}
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DEFINE_DESTRUCTOR(IndexIVFScalarQuantizer)
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DEFINE_INDEX_DOWNCAST(IndexIVFScalarQuantizer)
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/// quantizer that maps vectors to inverted lists
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DEFINE_GETTER_PERMISSIVE(IndexIVFScalarQuantizer, FaissIndex*, quantizer)
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/// number of possible key values
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DEFINE_GETTER(IndexIVFScalarQuantizer, size_t, nlist)
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/// number of probes at query time
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DEFINE_GETTER(IndexIVFScalarQuantizer, size_t, nprobe)
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DEFINE_SETTER(IndexIVFScalarQuantizer, size_t, nprobe)
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/// whether object owns the quantizer
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DEFINE_GETTER(IndexIVFScalarQuantizer, int, own_fields)
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DEFINE_SETTER(IndexIVFScalarQuantizer, int, own_fields)
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int faiss_IndexIVFScalarQuantizer_new_with(
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FaissIndexIVFScalarQuantizer** p_index,
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FaissIndex* quantizer,
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size_t d,
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size_t nlist,
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FaissQuantizerType qt) {
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try {
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auto q = reinterpret_cast<Index*>(quantizer);
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auto qt_ = static_cast<faiss::ScalarQuantizer::QuantizerType>(qt);
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IndexIVFScalarQuantizer* index =
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new IndexIVFScalarQuantizer(q, d, nlist, qt_);
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*p_index = reinterpret_cast<FaissIndexIVFScalarQuantizer*>(index);
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return 0;
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}
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CATCH_AND_HANDLE
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}
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int faiss_IndexIVFScalarQuantizer_new_with_metric(
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FaissIndexIVFScalarQuantizer** p_index,
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FaissIndex* quantizer,
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size_t d,
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size_t nlist,
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FaissQuantizerType qt,
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FaissMetricType metric,
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int encode_residual) {
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try {
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auto q = reinterpret_cast<Index*>(quantizer);
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auto mt = static_cast<faiss::MetricType>(metric);
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auto er = static_cast<bool>(encode_residual);
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auto qt_ = static_cast<faiss::ScalarQuantizer::QuantizerType>(qt);
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IndexIVFScalarQuantizer* index =
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new IndexIVFScalarQuantizer(q, d, nlist, qt_, mt, er);
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*p_index = reinterpret_cast<FaissIndexIVFScalarQuantizer*>(index);
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return 0;
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}
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CATCH_AND_HANDLE
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}
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int faiss_IndexIVFScalarQuantizer_add_core(
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FaissIndexIVFScalarQuantizer* index,
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idx_t n,
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const float* x,
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const idx_t* xids,
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const idx_t* precomputed_idx) {
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try {
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reinterpret_cast<IndexIVFScalarQuantizer*>(index)->add_core(
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n, x, xids, precomputed_idx);
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}
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CATCH_AND_HANDLE
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}
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