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 vector<IterationCallback * > callbacks,const IterationSummary & iteration_summary,Solver::Summary * summary)40 bool Minimizer::RunCallbacks(const vector<IterationCallback*> callbacks,
41 const IterationSummary& iteration_summary,
42 Solver::Summary* summary) {
43 CallbackReturnType status = SOLVER_CONTINUE;
44 int i = 0;
45 while (status == SOLVER_CONTINUE && i < callbacks.size()) {
46 status = (*callbacks[i])(iteration_summary);
47 ++i;
48 }
49 switch (status) {
50 case SOLVER_CONTINUE:
51 return true;
52 case SOLVER_TERMINATE_SUCCESSFULLY:
53 summary->termination_type = USER_SUCCESS;
54 VLOG(1) << "Terminating: User callback returned USER_SUCCESS.";
55 return false;
56 case SOLVER_ABORT:
57 summary->termination_type = USER_ABORT;
58 VLOG(1) << "Terminating: User callback returned USER_ABORT.";
59 return false;
60 default:
61 LOG(FATAL) << "Unknown type of user callback status";
62 }
63 return false;
64 }
65
66 } // namespace internal
67 } // namespace ceres
68