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 35namespace ceres { 36namespace internal { 37 38Minimizer::~Minimizer() {} 39 40bool 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