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Diffstat (limited to 'extern/libmv/third_party/ceres/internal/ceres/preprocessor.cc')
-rw-r--r--extern/libmv/third_party/ceres/internal/ceres/preprocessor.cc113
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diff --git a/extern/libmv/third_party/ceres/internal/ceres/preprocessor.cc b/extern/libmv/third_party/ceres/internal/ceres/preprocessor.cc
deleted file mode 100644
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--- a/extern/libmv/third_party/ceres/internal/ceres/preprocessor.cc
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-// Ceres Solver - A fast non-linear least squares minimizer
-// Copyright 2014 Google Inc. All rights reserved.
-// http://code.google.com/p/ceres-solver/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// * Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-// * Neither the name of Google Inc. nor the names of its contributors may be
-// used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-// POSSIBILITY OF SUCH DAMAGE.
-//
-// Author: sameragarwal@google.com (Sameer Agarwal)
-
-#include "ceres/callbacks.h"
-#include "ceres/gradient_checking_cost_function.h"
-#include "ceres/line_search_preprocessor.h"
-#include "ceres/preprocessor.h"
-#include "ceres/problem_impl.h"
-#include "ceres/solver.h"
-#include "ceres/trust_region_preprocessor.h"
-
-namespace ceres {
-namespace internal {
-
-Preprocessor* Preprocessor::Create(MinimizerType minimizer_type) {
- if (minimizer_type == TRUST_REGION) {
- return new TrustRegionPreprocessor;
- }
-
- if (minimizer_type == LINE_SEARCH) {
- return new LineSearchPreprocessor;
- }
-
- LOG(FATAL) << "Unknown minimizer_type: " << minimizer_type;
- return NULL;
-}
-
-Preprocessor::~Preprocessor() {
-}
-
-void ChangeNumThreadsIfNeeded(Solver::Options* options) {
-#ifndef CERES_USE_OPENMP
- if (options->num_threads > 1) {
- LOG(WARNING)
- << "OpenMP support is not compiled into this binary; "
- << "only options.num_threads = 1 is supported. Switching "
- << "to single threaded mode.";
- options->num_threads = 1;
- }
-
- // Only the Trust Region solver currently uses a linear solver.
- if (options->minimizer_type == TRUST_REGION &&
- options->num_linear_solver_threads > 1) {
- LOG(WARNING)
- << "OpenMP support is not compiled into this binary; "
- << "only options.num_linear_solver_threads=1 is supported. Switching "
- << "to single threaded mode.";
- options->num_linear_solver_threads = 1;
- }
-#endif // CERES_USE_OPENMP
-}
-
-void SetupCommonMinimizerOptions(PreprocessedProblem* pp) {
- const Solver::Options& options = pp->options;
- Program* program = pp->reduced_program.get();
-
- // Assuming that the parameter blocks in the program have been
- // reordered as needed, extract them into a contiguous vector.
- pp->reduced_parameters.resize(program->NumParameters());
- double* reduced_parameters = pp->reduced_parameters.data();
- program->ParameterBlocksToStateVector(reduced_parameters);
-
- Minimizer::Options& minimizer_options = pp->minimizer_options;
- minimizer_options = Minimizer::Options(options);
- minimizer_options.evaluator = pp->evaluator;
-
- if (options.logging_type != SILENT) {
- pp->logging_callback.reset(
- new LoggingCallback(options.minimizer_type,
- options.minimizer_progress_to_stdout));
- minimizer_options.callbacks.insert(minimizer_options.callbacks.begin(),
- pp->logging_callback.get());
- }
-
- if (options.update_state_every_iteration) {
- pp->state_updating_callback.reset(
- new StateUpdatingCallback(program, reduced_parameters));
- // This must get pushed to the front of the callbacks so that it
- // is run before any of the user callbacks.
- minimizer_options.callbacks.insert(minimizer_options.callbacks.begin(),
- pp->state_updating_callback.get());
- }
-}
-
-} // namespace internal
-} // namespace ceres