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Diffstat (limited to 'extern/ceres/internal/ceres/context_impl.h')
-rw-r--r-- | extern/ceres/internal/ceres/context_impl.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/extern/ceres/internal/ceres/context_impl.h b/extern/ceres/internal/ceres/context_impl.h new file mode 100644 index 00000000000..5c03ad71bab --- /dev/null +++ b/extern/ceres/internal/ceres/context_impl.h @@ -0,0 +1,67 @@ +// Ceres Solver - A fast non-linear least squares minimizer +// Copyright 2018 Google Inc. All rights reserved. +// http://ceres-solver.org/ +// +// 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: vitus@google.com (Michael Vitus) + +#ifndef CERES_INTERNAL_CONTEXT_IMPL_H_ +#define CERES_INTERNAL_CONTEXT_IMPL_H_ + +// This include must come before any #ifndef check on Ceres compile options. +#include "ceres/internal/port.h" + +#include "ceres/context.h" + +#ifdef CERES_USE_CXX_THREADS +#include "ceres/thread_pool.h" +#endif // CERES_USE_CXX_THREADS + +namespace ceres { +namespace internal { + +class ContextImpl : public Context { + public: + ContextImpl() {} + ContextImpl(const ContextImpl&) = delete; + void operator=(const ContextImpl&) = delete; + + virtual ~ContextImpl() {} + + // When compiled with C++ threading support, resize the thread pool to have + // at min(num_thread, num_hardware_threads) where num_hardware_threads is + // defined by the hardware. Otherwise this call is a no-op. + void EnsureMinimumThreads(int num_threads); + +#ifdef CERES_USE_CXX_THREADS + ThreadPool thread_pool; +#endif // CERES_USE_CXX_THREADS +}; + +} // namespace internal +} // namespace ceres + +#endif // CERES_INTERNAL_CONTEXT_IMPL_H_ |