wrap2pi_unittest.cpp

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2017, Individual contributors, see AUTHORS file     |
   | See: http://www.mrpt.org/Authors - All rights reserved.                |
   | Released under BSD License. See details in http://www.mrpt.org/License |
   +------------------------------------------------------------------------+ */
 
#include <mrpt/math/wrap2pi.h>
#include <gtest/gtest.h>
 
using namespace mrpt;
using namespace std;
 
TEST(Wrap2PI_tests, angDistance)
{
        using mrpt::math::angDistance;
 
        EXPECT_NEAR(angDistance(0.0, 1.0), 1.0, 1e-10);
        EXPECT_NEAR(angDistance(1.0, 1.0), 0.0, 1e-10);
        EXPECT_NEAR(angDistance(1.0, 0.0), -1.0, 1e-10);
 
        EXPECT_NEAR(angDistance(-(M_PI - 0.1), (M_PI - 0.1)), -0.2, 1e-6);
        EXPECT_NEAR(angDistance((M_PI - 0.1), -(M_PI - 0.1)), +0.2, 1e-6);
}