protot/3rdparty/fcl/test/test_fcl_auto_diff.cpp

117 lines
3.9 KiB
C++

/*
* Software License Agreement (BSD License)
*
* Copyright (c) 2011-2014, Willow Garage, Inc.
* Copyright (c) 2014-2016, Open Source Robotics Foundation
* Copyright (c) 2016, Toyota Research Institute
* All rights reserved.
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/** @author Jeongseok Lee */
#include <gtest/gtest.h>
#include <Eigen/Core>
#include <unsupported/Eigen/AutoDiff>
#include "fcl/narrowphase/distance.h"
using namespace fcl;
//==============================================================================
template <typename S>
S getDistance(const Vector3<S>& p)
{
detail::GJKSolver_libccd<S> solver;
S dist;
Sphere<S> s1(20);
Sphere<S> s2(10);
Transform3<S> tf1 = Transform3<S>::Identity();
Transform3<S> tf2 = Transform3<S>::Identity();
tf2.translation() = p;
solver.shapeDistance(s1, tf1, s2, tf2, &dist);
return dist;
}
//==============================================================================
template <typename S>
void test_basic()
{
using derivative_t = Eigen::Matrix<S, 3, 1>;
using scalar_t = Eigen::AutoDiffScalar<derivative_t>;
using input_t = Eigen::Matrix<scalar_t, 3, 1>;
input_t pos(40, 0, 0);
pos(0).derivatives() = derivative_t::Unit(3, 0);
pos(1).derivatives() = derivative_t::Unit(3, 1);
pos(2).derivatives() = derivative_t::Unit(3, 2);
auto dist = getDistance(pos);
EXPECT_EQ(dist, (S)10);
EXPECT_EQ(dist.value(), (S)10);
EXPECT_EQ(dist.derivatives(), Vector3<S>(1, 0, 0));
pos << 0, 40, 0;
pos(0).derivatives() = derivative_t::Unit(3, 0);
pos(1).derivatives() = derivative_t::Unit(3, 1);
pos(2).derivatives() = derivative_t::Unit(3, 2);
dist = getDistance(pos);
EXPECT_EQ(dist, (S)10);
EXPECT_EQ(dist.value(), (S)10);
EXPECT_EQ(dist.derivatives(), Vector3<S>(0, 1, 0));
pos << 0, 0, 40;
pos(0).derivatives() = derivative_t::Unit(3, 0);
pos(1).derivatives() = derivative_t::Unit(3, 1);
pos(2).derivatives() = derivative_t::Unit(3, 2);
dist = getDistance(pos);
EXPECT_EQ(dist, (S)10);
EXPECT_EQ(dist.value(), (S)10);
EXPECT_EQ(dist.derivatives(), Vector3<S>(0, 0, 1));
}
//==============================================================================
GTEST_TEST(FCL_AUTO_DIFF, basic)
{
// test_basic<float>();
test_basic<double>();
}
//==============================================================================
int main(int argc, char* argv[])
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}