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563520f5c8
If we want to properly test the computation is in double precision, we should be using a much smaller error than the one used for the single precision tests.
47 lines
1.8 KiB
C++
47 lines
1.8 KiB
C++
#include <cxxtest/TestSuite.h>
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#include "common/math.h"
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const float MAX_ERROR_FLT = 1e-7f;
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const double MAX_ERROR_DBL = 1e-15;
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class MathTestSuite : public CxxTest::TestSuite
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{
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public:
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void test_intLog2() {
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// Test special case for 0
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TS_ASSERT_EQUALS(Common::intLog2(0), -1);
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// intLog2 should round the result towards 0
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TS_ASSERT_EQUALS(Common::intLog2(7), 2);
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// Some simple test for 2^10
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TS_ASSERT_EQUALS(Common::intLog2(1024), 10);
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}
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void test_rad2deg() {
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//float verion
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TS_ASSERT_DELTA(Common::rad2deg(0), 0, MAX_ERROR_FLT);
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TS_ASSERT_DELTA(Common::rad2deg(M_PI), 180.0, 180.0 * MAX_ERROR_FLT);
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TS_ASSERT_DELTA(Common::rad2deg(2.0 * M_PI), 360.0, 360.0 * MAX_ERROR_FLT);
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TS_ASSERT_DELTA(Common::rad2deg(M_PI / 2.0), 90.0, 90.0 * MAX_ERROR_FLT);
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//double version
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TS_ASSERT_DELTA(Common::rad2deg<double>(0), 0, MAX_ERROR_DBL);
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TS_ASSERT_DELTA(Common::rad2deg<double>(M_PI), 180.0, 180.0 * MAX_ERROR_DBL);
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TS_ASSERT_DELTA(Common::rad2deg<double>(2.0 * M_PI), 360.0, 360.0 * MAX_ERROR_DBL);
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TS_ASSERT_DELTA(Common::rad2deg<double>(M_PI / 2.0), 90.0, 90.0 * MAX_ERROR_DBL);
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}
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void test_deg2rad() {
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//float verion
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TS_ASSERT_DELTA(Common::deg2rad(0), 0, MAX_ERROR_FLT);
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TS_ASSERT_DELTA(Common::deg2rad(180.0), M_PI, M_PI * MAX_ERROR_FLT);
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TS_ASSERT_DELTA(Common::deg2rad(360.0), 2.0 * M_PI, 2.0 * M_PI * MAX_ERROR_FLT);
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TS_ASSERT_DELTA(Common::deg2rad(90.0), M_PI / 2.0, M_PI / 2.0 * MAX_ERROR_FLT);
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//double version
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TS_ASSERT_DELTA(Common::deg2rad<double>(0), 0, MAX_ERROR_DBL);
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TS_ASSERT_DELTA(Common::deg2rad<double>(180.0), M_PI, M_PI * MAX_ERROR_DBL);
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TS_ASSERT_DELTA(Common::deg2rad<double>(360.0), 2.0 * M_PI, 2.0 * M_PI * MAX_ERROR_DBL);
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TS_ASSERT_DELTA(Common::deg2rad<double>(90.0), M_PI / 2.0, M_PI / 2.0 * MAX_ERROR_DBL);
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}
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};
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