mirror of
https://github.com/ceres-solver/ceres-solver.git
synced 2026-08-29 16:40:38 +08:00
Sergiu Deitsch
c14f360e63
Do not define trivial constructors or destructors unless necessary (e.g., for implementing pimpl) following the rule of zero. Define virtual base class destructors out-of-line to avoid emitting vtables in every translation unit. Change-Id: Iea2d8978e62a8ee5a97b86cbb4e858d56e0fb274
69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
// Ceres Solver - A fast non-linear least squares minimizer
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// Copyright 2018 Google Inc. All rights reserved.
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// http://ceres-solver.org/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Author: vitus@google.com (Michael Vitus)
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#ifndef CERES_INTERNAL_CONTEXT_IMPL_H_
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#define CERES_INTERNAL_CONTEXT_IMPL_H_
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// This include must come before any #ifndef check on Ceres compile options.
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// clang-format off
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#include "ceres/internal/port.h"
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// clanf-format on
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#include "ceres/context.h"
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#ifdef CERES_USE_CXX_THREADS
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#include "ceres/thread_pool.h"
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#endif // CERES_USE_CXX_THREADS
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namespace ceres {
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namespace internal {
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class CERES_EXPORT_INTERNAL ContextImpl : public Context {
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public:
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ContextImpl();
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ContextImpl(const ContextImpl&) = delete;
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void operator=(const ContextImpl&) = delete;
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// When compiled with C++ threading support, resize the thread pool to have
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// at min(num_thread, num_hardware_threads) where num_hardware_threads is
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// defined by the hardware. Otherwise this call is a no-op.
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void EnsureMinimumThreads(int num_threads);
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#ifdef CERES_USE_CXX_THREADS
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ThreadPool thread_pool;
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#endif // CERES_USE_CXX_THREADS
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};
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} // namespace internal
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} // namespace ceres
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#endif // CERES_INTERNAL_CONTEXT_IMPL_H_
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