1// Ceres Solver - A fast non-linear least squares minimizer
2// Copyright 2012, 2013 Google Inc. All rights reserved.
3// http://code.google.com/p/ceres-solver/
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are met:
7//
8// * Redistributions of source code must retain the above copyright notice,
9//   this list of conditions and the following disclaimer.
10// * Redistributions in binary form must reproduce the above copyright notice,
11//   this list of conditions and the following disclaimer in the documentation
12//   and/or other materials provided with the distribution.
13// * Neither the name of Google Inc. nor the names of its contributors may be
14//   used to endorse or promote products derived from this software without
15//   specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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24// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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26// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27// POSSIBILITY OF SUCH DAMAGE.
28//
29//
30// Author: sameeragarwal@google.com (Sameer Agarwal)
31//         keir@google.com (Keir Mierle)
32
33#include "ceres/trust_region_strategy.h"
34#include "ceres/dogleg_strategy.h"
35#include "ceres/levenberg_marquardt_strategy.h"
36
37namespace ceres {
38namespace internal {
39
40TrustRegionStrategy::~TrustRegionStrategy() {}
41
42TrustRegionStrategy* TrustRegionStrategy::Create(const Options& options) {
43  switch (options.trust_region_strategy_type) {
44    case LEVENBERG_MARQUARDT:
45      return new LevenbergMarquardtStrategy(options);
46    case DOGLEG:
47      return new DoglegStrategy(options);
48    default:
49      LOG(FATAL) << "Unknown trust region strategy: "
50                 << options.trust_region_strategy_type;
51  }
52
53  LOG(FATAL) << "Unknown trust region strategy: "
54             << options.trust_region_strategy_type;
55  return NULL;
56}
57
58}  // namespace internal
59}  // namespace ceres
60