1 // Ceres Solver - A fast non-linear least squares minimizer
2 // Copyright 2010, 2011, 2012 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
23 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 // POSSIBILITY OF SUCH DAMAGE.
28 //
29 // Author: sameeragarwal@google.com (Sameer Agarwal)
30
31 #include "ceres/minimizer.h"
32 #include "ceres/types.h"
33 #include "glog/logging.h"
34
35 namespace ceres {
36 namespace internal {
37
~Minimizer()38 Minimizer::~Minimizer() {}
39
RunCallbacks(const Minimizer::Options & options,const IterationSummary & iteration_summary,Solver::Summary * summary)40 bool Minimizer::RunCallbacks(const Minimizer::Options& options,
41 const IterationSummary& iteration_summary,
42 Solver::Summary* summary) {
43 const bool is_not_silent = !options.is_silent;
44 CallbackReturnType status = SOLVER_CONTINUE;
45 int i = 0;
46 while (status == SOLVER_CONTINUE && i < options.callbacks.size()) {
47 status = (*options.callbacks[i])(iteration_summary);
48 ++i;
49 }
50 switch (status) {
51 case SOLVER_CONTINUE:
52 return true;
53 case SOLVER_TERMINATE_SUCCESSFULLY:
54 summary->termination_type = USER_SUCCESS;
55 summary->message = "User callback returned SOLVER_TERMINATE_SUCCESSFULLY.";
56 VLOG_IF(1, is_not_silent) << "Terminating: " << summary->message;
57 return false;
58 case SOLVER_ABORT:
59 summary->termination_type = USER_FAILURE;
60 summary->message = "User callback returned SOLVER_ABORT.";
61 VLOG_IF(1, is_not_silent) << "Terminating: " << summary->message;
62 return false;
63 default:
64 LOG(FATAL) << "Unknown type of user callback status";
65 }
66 return false;
67 }
68
69 } // namespace internal
70 } // namespace ceres
71