10ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// Ceres Solver - A fast non-linear least squares minimizer 20ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// Copyright 2010, 2011, 2012 Google Inc. All rights reserved. 30ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// http://code.google.com/p/ceres-solver/ 40ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// 50ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// Redistribution and use in source and binary forms, with or without 60ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// modification, are permitted provided that the following conditions are met: 70ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// 80ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// * Redistributions of source code must retain the above copyright notice, 90ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// this list of conditions and the following disclaimer. 100ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// * Redistributions in binary form must reproduce the above copyright notice, 110ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// this list of conditions and the following disclaimer in the documentation 120ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// and/or other materials provided with the distribution. 130ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// * Neither the name of Google Inc. nor the names of its contributors may be 140ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// used to endorse or promote products derived from this software without 150ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// specific prior written permission. 160ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// 170ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 180ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 190ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 200ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 210ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 220ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 230ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 240ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 250ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 260ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 270ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// POSSIBILITY OF SUCH DAMAGE. 280ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong// 291d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling// Author: sameeragarwal@google.com (Sameer Agarwal) 301d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling 311d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling#include "ceres/minimizer.h" 321d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling#include "ceres/types.h" 331d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling#include "glog/logging.h" 341d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling 351d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberlingnamespace ceres { 361d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberlingnamespace internal { 370ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong 381d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha HaeberlingMinimizer::~Minimizer() {} 390ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong 4079397c21138f54fcff6ec067b44b847f1f7e0e98Carlos Hernandezbool Minimizer::RunCallbacks(const Minimizer::Options& options, 411d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling const IterationSummary& iteration_summary, 421d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling Solver::Summary* summary) { 4379397c21138f54fcff6ec067b44b847f1f7e0e98Carlos Hernandez const bool is_not_silent = !options.is_silent; 441d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling CallbackReturnType status = SOLVER_CONTINUE; 451d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling int i = 0; 4679397c21138f54fcff6ec067b44b847f1f7e0e98Carlos Hernandez while (status == SOLVER_CONTINUE && i < options.callbacks.size()) { 4779397c21138f54fcff6ec067b44b847f1f7e0e98Carlos Hernandez status = (*options.callbacks[i])(iteration_summary); 481d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling ++i; 491d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling } 501d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling switch (status) { 511d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling case SOLVER_CONTINUE: 521d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling return true; 531d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling case SOLVER_TERMINATE_SUCCESSFULLY: 541d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling summary->termination_type = USER_SUCCESS; 5579397c21138f54fcff6ec067b44b847f1f7e0e98Carlos Hernandez summary->message = "User callback returned SOLVER_TERMINATE_SUCCESSFULLY."; 5679397c21138f54fcff6ec067b44b847f1f7e0e98Carlos Hernandez VLOG_IF(1, is_not_silent) << "Terminating: " << summary->message; 571d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling return false; 581d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling case SOLVER_ABORT: 5979397c21138f54fcff6ec067b44b847f1f7e0e98Carlos Hernandez summary->termination_type = USER_FAILURE; 6079397c21138f54fcff6ec067b44b847f1f7e0e98Carlos Hernandez summary->message = "User callback returned SOLVER_ABORT."; 6179397c21138f54fcff6ec067b44b847f1f7e0e98Carlos Hernandez VLOG_IF(1, is_not_silent) << "Terminating: " << summary->message; 621d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling return false; 631d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling default: 641d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling LOG(FATAL) << "Unknown type of user callback status"; 651d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling } 661d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling return false; 671d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling} 680ae28bd5885b5daa526898fcf7c323dc2c3e1963Angus Kong 691d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling} // namespace internal 701d2624a10e2c559f8ba9ef89eaa30832c0a83a96Sascha Haeberling} // namespace ceres 71