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92 lines
4.0 KiB
92 lines
4.0 KiB
5 months ago
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// Ceres Solver - A fast non-linear least squares minimizer
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// Copyright 2023 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: keir@google.com (Keir Mierle)
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#ifndef CERES_PUBLIC_INTERNAL_PORT_H_
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#define CERES_PUBLIC_INTERNAL_PORT_H_
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// A macro to mark a function/variable/class as deprecated.
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// We use compiler specific attributes rather than the c++
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// attribute because they do not mix well with each other.
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#if defined(_MSC_VER)
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#define CERES_DEPRECATED_WITH_MSG(message) __declspec(deprecated(message))
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#elif defined(__GNUC__)
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#define CERES_DEPRECATED_WITH_MSG(message) __attribute__((deprecated(message)))
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#else
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// In the worst case fall back to c++ attribute.
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#define CERES_DEPRECATED_WITH_MSG(message) [[deprecated(message)]]
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#endif
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#ifndef CERES_GET_FLAG
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#define CERES_GET_FLAG(X) X
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#endif
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// Indicates whether C++20 is currently active
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#ifndef CERES_HAS_CPP20
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#if __cplusplus >= 202002L || (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L)
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#define CERES_HAS_CPP20
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#endif // __cplusplus >= 202002L || (defined(_MSVC_LANG) && _MSVC_LANG >=
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// 202002L)
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#endif // !defined(CERES_HAS_CPP20)
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// Prevents symbols from being substituted by the corresponding macro definition
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// under the same name. For instance, min and max are defined as macros on
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// Windows (unless NOMINMAX is defined) which causes compilation errors when
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// defining or referencing symbols under the same name.
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//
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// To be robust in all cases particularly when NOMINMAX cannot be used, use this
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// macro to annotate min/max declarations/definitions. Examples:
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//
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// int max CERES_PREVENT_MACRO_SUBSTITUTION();
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// min CERES_PREVENT_MACRO_SUBSTITUTION(a, b);
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// max CERES_PREVENT_MACRO_SUBSTITUTION(a, b);
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//
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// NOTE: In case the symbols for which the substitution must be prevented are
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// used within another macro, the substitution must be inhibited using parens as
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//
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// (std::numerical_limits<double>::max)()
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//
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// since the helper macro will not work here. Do not use this technique in
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// general case, because it will prevent argument-dependent lookup (ADL).
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//
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#define CERES_PREVENT_MACRO_SUBSTITUTION // Yes, it's empty
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// CERES_DISABLE_DEPRECATED_WARNING and CERES_RESTORE_DEPRECATED_WARNING allow
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// to temporarily disable deprecation warnings
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#if defined(_MSC_VER)
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#define CERES_DISABLE_DEPRECATED_WARNING \
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_Pragma("warning(push)") _Pragma("warning(disable : 4996)")
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#define CERES_RESTORE_DEPRECATED_WARNING _Pragma("warning(pop)")
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#else // defined(_MSC_VER)
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#define CERES_DISABLE_DEPRECATED_WARNING
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#define CERES_RESTORE_DEPRECATED_WARNING
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#endif // defined(_MSC_VER)
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#endif // CERES_PUBLIC_INTERNAL_PORT_H_
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