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#include <cxxtest/TestSuite.h>
#include "math/utils.h"
const float MAX_ERROR_FLT = 1e-7f;
const double MAX_ERROR_DBL = 1e-15;
class MathUtilsTestSuite : public CxxTest::TestSuite
{
public:
void test_rad2deg() {
//float verion
TS_ASSERT_DELTA(Math::rad2deg(0), 0, MAX_ERROR_FLT);
TS_ASSERT_DELTA(Math::rad2deg(M_PI), 180.0, 180.0 * MAX_ERROR_FLT);
TS_ASSERT_DELTA(Math::rad2deg(2.0 * M_PI), 360.0, 360.0 * MAX_ERROR_FLT);
TS_ASSERT_DELTA(Math::rad2deg(M_PI / 2.0), 90.0, 90.0 * MAX_ERROR_FLT);
//double version
TS_ASSERT_DELTA(Math::rad2deg<double>(0), 0, MAX_ERROR_DBL);
TS_ASSERT_DELTA(Math::rad2deg<double>(M_PI), 180.0, 180.0 * MAX_ERROR_DBL);
TS_ASSERT_DELTA(Math::rad2deg<double>(2.0 * M_PI), 360.0, 360.0 * MAX_ERROR_DBL);
TS_ASSERT_DELTA(Math::rad2deg<double>(M_PI / 2.0), 90.0, 90.0 * MAX_ERROR_DBL);
}
void test_deg2rad() {
//float verion
TS_ASSERT_DELTA(Math::deg2rad(0), 0, MAX_ERROR_FLT);
TS_ASSERT_DELTA(Math::deg2rad(180.0), M_PI, M_PI * MAX_ERROR_FLT);
TS_ASSERT_DELTA(Math::deg2rad(360.0), 2.0 * M_PI, 2.0 * M_PI * MAX_ERROR_FLT);
TS_ASSERT_DELTA(Math::deg2rad(90.0), M_PI / 2.0, M_PI / 2.0 * MAX_ERROR_FLT);
//double version
TS_ASSERT_DELTA(Math::deg2rad<double>(0), 0, MAX_ERROR_DBL);
TS_ASSERT_DELTA(Math::deg2rad<double>(180.0), M_PI, M_PI * MAX_ERROR_DBL);
TS_ASSERT_DELTA(Math::deg2rad<double>(360.0), 2.0 * M_PI, 2.0 * M_PI * MAX_ERROR_DBL);
TS_ASSERT_DELTA(Math::deg2rad<double>(90.0), M_PI / 2.0, M_PI / 2.0 * MAX_ERROR_DBL);
}
};
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