1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17// This file contains a few utilities for MulticlassPA
18
19#include "learning/multiclass_pa/util.h"
20
21#include <string>
22
23#include "learning/multiclass_pa/multiclass_pa.h"
24#include "learning/multiclass_pa/multiclass_pa_max.h"
25#include "learning/multiclass_pa/multiclass_pa_opt.h"
26#include "learning/multiclass_pa/multiclass_warp.h"
27#include "strings/strutil.h"
28
29namespace learning_multiclass_pa {
30
31MulticlassPA* CreateMulticlassPA(const string& version,
32                                 int32 num_classes,
33                                 int32 num_dimensions,
34                                 float aggressiveness) {
35  MulticlassPA* machine = NULL;
36  if (StringCaseEqual(version, "max")) {
37    machine = reinterpret_cast<MulticlassPA*>(
38      new MulticlassPAMax(num_classes, num_dimensions, aggressiveness));
39  } else if (StringCaseEqual(version, "opt")) {
40    machine = reinterpret_cast<MulticlassPA*>(
41      new MulticlassPAOpt(num_classes, num_dimensions, aggressiveness));
42  } else if (StringCaseEqual(version, "random")) {
43    machine = new MulticlassPA(num_classes, num_dimensions, aggressiveness);
44  } else if (StringCaseEqual(version, "warp")) {
45    machine = reinterpret_cast<MulticlassPA*>(
46      new MulticlassWarp(num_classes, num_dimensions, aggressiveness));
47  } else {
48    LOG(ERROR) << "Machine type (" << version << ") unknown";
49  }
50  return machine;
51}
52}  // namespace learning_multiclass_pa
53