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ceres-solver/examples/slam/pose_graph_2d/angle_manifold.h
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Sameer Agarwal caf614a6c1 Modernize code using c++17 constructs
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
2022-04-22 06:11:18 -07:00

69 lines
2.7 KiB
C++

// Ceres Solver - A fast non-linear least squares minimizer
// Copyright 2022 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)
// sameeragarwal@google.com (Sameer Agarwal)
#ifndef CERES_EXAMPLES_POSE_GRAPH_2D_ANGLE_MANIFOLD_H_
#define CERES_EXAMPLES_POSE_GRAPH_2D_ANGLE_MANIFOLD_H_
#include "ceres/autodiff_manifold.h"
#include "normalize_angle.h"
namespace ceres::examples {
// Defines a manifold for updating the angle to be constrained in [-pi to pi).
class AngleManifold {
public:
template <typename T>
bool Plus(const T* x_radians,
const T* delta_radians,
T* x_plus_delta_radians) const {
*x_plus_delta_radians = NormalizeAngle(*x_radians + *delta_radians);
return true;
}
template <typename T>
bool Minus(const T* y_radians,
const T* x_radians,
T* y_minus_x_radians) const {
*y_minus_x_radians =
NormalizeAngle(*y_radians) - NormalizeAngle(*x_radians);
return true;
}
static ceres::Manifold* Create() {
return new ceres::AutoDiffManifold<AngleManifold, 1, 1>;
}
};
} // namespace ceres::examples
#endif // CERES_EXAMPLES_POSE_GRAPH_2D_ANGLE_MANIFOLD_H_