mirror of
https://github.com/ceres-solver/ceres-solver.git
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Sameer Agarwal
caf614a6c1
Mostly done using
find . \( -name '*.cc' -o -name '*.h' \) -a -type f -exec clang-tidy -p \
cmake-build -checks='-*,google-*,modernize-*,-modernize-use-nodiscard,-modernize-use-trailing-return-type' {} -fix \;
Change-Id: Ifccbcabe7a1d9a32a09d28ac4f3f8466696c1a50
107 lines
4.9 KiB
C++
107 lines
4.9 KiB
C++
// Ceres Solver - A fast non-linear least squares minimizer
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// Copyright 2022 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: sergiu.deitsch@gmail.com (Sergiu Deitsch)
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#include "ceres/internal/jet_traits.h"
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#include <Eigen/Core>
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#include <type_traits>
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#include <utility>
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namespace ceres::internal {
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using J = Jet<double, 2>;
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// Don't care about the dual part for scalar part categorization and comparison
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// tests
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template <typename T>
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using J0 = Jet<T, 0>;
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using J0d = J0<double>;
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// Extract the ranks of given types
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using Ranks001 = Ranks_t<Jet<double, 0>, double, Jet<double, 1>>;
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using Ranks1 = Ranks_t<Jet<double, 1>>;
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using Ranks110 = Ranks_t<Jet<double, 1>, Jet<double, 1>, double>;
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using Ranks023 = Ranks_t<double, Jet<double, 2>, Jet<double, 3>>;
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using EmptyRanks = Ranks_t<>;
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// Ensure extracted ranks match the expected integer sequence
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static_assert(
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std::is_same<Ranks001, std::integer_sequence<int, 0, 0, 1>>::value,
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"ranks do not match");
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static_assert(std::is_same<Ranks1, std::integer_sequence<int, 1>>::value,
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"ranks do not match");
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static_assert(
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std::is_same<Ranks110, std::integer_sequence<int, 1, 1, 0>>::value,
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"ranks do not match");
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static_assert(
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std::is_same<Ranks023, std::integer_sequence<int, 0, 2, 3>>::value,
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"ranks do not match");
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static_assert(std::is_same<EmptyRanks, std::integer_sequence<int>>::value,
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"ranks sequence is not empty");
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// Extract the underlying floating-point type
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static_assert(std::is_same<UnderlyingScalar_t<double>, double>::value,
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"underlying type is not a double");
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static_assert(std::is_same<UnderlyingScalar_t<J0d>, double>::value,
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"underlying type is not a double");
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static_assert(std::is_same<UnderlyingScalar_t<J0<J0d>>, double>::value,
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"underlying type is not a double");
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static_assert(std::is_same<UnderlyingScalar_t<J0<J0<J0d>>>, double>::value,
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"underlying type is not a double");
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static_assert(CompatibleJetOperands_v<Jet<double, 1>, Jet<double, 1>>,
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"Jets must be compatible");
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static_assert(CompatibleJetOperands_v<Jet<double, 1>, double>,
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"Jet and scalar must be compatible");
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static_assert(CompatibleJetOperands_v<Jet<double, 2>>,
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"single Jet must be compatible");
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static_assert(!CompatibleJetOperands_v<Jet<double, 1>, double, Jet<double, 2>>,
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"Jets and scalar must not be compatible");
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static_assert(!CompatibleJetOperands_v<double, double>,
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"scalars must not be compatible");
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static_assert(!CompatibleJetOperands_v<double>,
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"single scalar must not be compatible");
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static_assert(!CompatibleJetOperands_v<>,
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"empty arguments must not be compatible");
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static_assert(!PromotableJetOperands_v<double>,
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"single scalar must not be Jet promotable");
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static_assert(!PromotableJetOperands_v<double, float, int>,
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"multiple scalars must not be Jet promotable");
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static_assert(PromotableJetOperands_v<J0d, float, int>,
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"Jet and several scalars must be promotable");
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static_assert(PromotableJetOperands_v<J0<J0d>, float, int>,
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"nested Jet and several scalars must be promotable");
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static_assert(!PromotableJetOperands_v<Eigen::Array<double, 2, 3>, float, int>,
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"Eigen::Array must not be Jet promotable");
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static_assert(!PromotableJetOperands_v<Eigen::Matrix<double, 3, 2>, float, int>,
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"Eigen::Matrix must not be Jet promotable");
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} // namespace ceres::internal
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