Initial commit

packages/leann-backend-hnsw/third_party/faiss/c_api/AutoTune_c.cpp

@@ -0,0 +1,113 @@
+/*
+ * 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 "AutoTune_c.h"
+#include <faiss/AutoTune.h>
+#include <cstring>
+#include "macros_impl.h"
+
+using faiss::Index;
+using faiss::ParameterRange;
+using faiss::ParameterSpace;
+
+const char* faiss_ParameterRange_name(const FaissParameterRange* range) {
+    return reinterpret_cast<const ParameterRange*>(range)->name.c_str();
+}
+
+void faiss_ParameterRange_values(
+        FaissParameterRange* range,
+        double** p_values,
+        size_t* p_size) {
+    auto& values = reinterpret_cast<ParameterRange*>(range)->values;
+    *p_values = values.data();
+    *p_size = values.size();
+}
+
+int faiss_ParameterSpace_new(FaissParameterSpace** space) {
+    try {
+        auto new_space = new ParameterSpace();
+        *space = reinterpret_cast<FaissParameterSpace*>(new_space);
+    }
+    CATCH_AND_HANDLE
+}
+
+DEFINE_DESTRUCTOR(ParameterSpace)
+
+size_t faiss_ParameterSpace_n_combinations(const FaissParameterSpace* space) {
+    return reinterpret_cast<const ParameterSpace*>(space)->n_combinations();
+}
+
+int faiss_ParameterSpace_combination_name(
+        const FaissParameterSpace* space,
+        size_t cno,
+        char* char_buffer,
+        size_t size) {
+    try {
+        auto rep = reinterpret_cast<const ParameterSpace*>(space)
+                           ->combination_name(cno);
+        strncpy(char_buffer, rep.c_str(), size);
+    }
+    CATCH_AND_HANDLE
+}
+
+int faiss_ParameterSpace_set_index_parameters(
+        const FaissParameterSpace* space,
+        FaissIndex* cindex,
+        const char* param_string) {
+    try {
+        auto index = reinterpret_cast<Index*>(cindex);
+        reinterpret_cast<const ParameterSpace*>(space)->set_index_parameters(
+                index, param_string);
+    }
+    CATCH_AND_HANDLE
+}
+
+/// set a combination of parameters on an index
+int faiss_ParameterSpace_set_index_parameters_cno(
+        const FaissParameterSpace* space,
+        FaissIndex* cindex,
+        size_t cno) {
+    try {
+        auto index = reinterpret_cast<Index*>(cindex);
+        reinterpret_cast<const ParameterSpace*>(space)->set_index_parameters(
+                index, cno);
+    }
+    CATCH_AND_HANDLE
+}
+
+int faiss_ParameterSpace_set_index_parameter(
+        const FaissParameterSpace* space,
+        FaissIndex* cindex,
+        const char* name,
+        double value) {
+    try {
+        auto index = reinterpret_cast<Index*>(cindex);
+        reinterpret_cast<const ParameterSpace*>(space)->set_index_parameter(
+                index, name, value);
+    }
+    CATCH_AND_HANDLE
+}
+
+void faiss_ParameterSpace_display(const FaissParameterSpace* space) {
+    reinterpret_cast<const ParameterSpace*>(space)->display();
+}
+
+int faiss_ParameterSpace_add_range(
+        FaissParameterSpace* space,
+        const char* name,
+        FaissParameterRange** p_range) {
+    try {
+        ParameterRange& range =
+                reinterpret_cast<ParameterSpace*>(space)->add_range(name);
+        if (p_range) {
+            *p_range = reinterpret_cast<FaissParameterRange*>(&range);
+        }
+    }
+    CATCH_AND_HANDLE
+}