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
29 namespace learning_multiclass_pa {
30
CreateMulticlassPA(const string & version,int32 num_classes,int32 num_dimensions,float aggressiveness)31 MulticlassPA* 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