2 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
21 #include <dali/public-api/dali-core.h>
22 #include <dali-test-suite-utils.h>
26 void utc_dali_math_utils_startup(void)
28 test_return_value = TET_UNDEF;
31 void utc_dali_math_utils_cleanup(void)
33 test_return_value = TET_PASS;
36 int UtcDaliMathUtilsIsPowerOfTwo(void)
38 Dali::TestApplication testApp;
39 DALI_TEST_EQUALS(IsPowerOfTwo(0), false, TEST_LOCATION);
41 DALI_TEST_EQUALS(IsPowerOfTwo(1), true, TEST_LOCATION);
42 DALI_TEST_EQUALS(IsPowerOfTwo(2), true, TEST_LOCATION);
43 DALI_TEST_EQUALS(IsPowerOfTwo(3), false, TEST_LOCATION);
44 DALI_TEST_EQUALS(IsPowerOfTwo(4), true, TEST_LOCATION);
45 DALI_TEST_EQUALS(IsPowerOfTwo(5), false, TEST_LOCATION);
46 DALI_TEST_EQUALS(IsPowerOfTwo(6), false, TEST_LOCATION);
47 DALI_TEST_EQUALS(IsPowerOfTwo(7), false, TEST_LOCATION);
48 DALI_TEST_EQUALS(IsPowerOfTwo(8), true, TEST_LOCATION);
49 DALI_TEST_EQUALS(IsPowerOfTwo(255), false, TEST_LOCATION);
50 DALI_TEST_EQUALS(IsPowerOfTwo(256), true, TEST_LOCATION);
51 DALI_TEST_EQUALS(IsPowerOfTwo(257), false, TEST_LOCATION);
52 DALI_TEST_EQUALS(IsPowerOfTwo(511), false, TEST_LOCATION);
53 DALI_TEST_EQUALS(IsPowerOfTwo(512), true, TEST_LOCATION);
54 DALI_TEST_EQUALS(IsPowerOfTwo(513), false, TEST_LOCATION);
55 DALI_TEST_EQUALS(IsPowerOfTwo(768), false, TEST_LOCATION);
56 DALI_TEST_EQUALS(IsPowerOfTwo(1023), false, TEST_LOCATION);
57 DALI_TEST_EQUALS(IsPowerOfTwo(1024), true, TEST_LOCATION);
58 DALI_TEST_EQUALS(IsPowerOfTwo(1025), false, TEST_LOCATION);
63 int UtcDaliMathUtilsNextPowerOfTwoP(void)
65 Dali::TestApplication testApp;
67 DALI_TEST_EQUALS(NextPowerOfTwo(0), 1u, TEST_LOCATION);
68 DALI_TEST_EQUALS(NextPowerOfTwo(1), 1u, TEST_LOCATION);
69 DALI_TEST_EQUALS(NextPowerOfTwo(2), 2u, TEST_LOCATION);
70 DALI_TEST_EQUALS(NextPowerOfTwo(3), 4u, TEST_LOCATION);
71 DALI_TEST_EQUALS(NextPowerOfTwo(4), 4u, TEST_LOCATION);
72 DALI_TEST_EQUALS(NextPowerOfTwo(5), 8u, TEST_LOCATION);
73 DALI_TEST_EQUALS(NextPowerOfTwo(6), 8u, TEST_LOCATION);
74 DALI_TEST_EQUALS(NextPowerOfTwo(7), 8u, TEST_LOCATION);
75 DALI_TEST_EQUALS(NextPowerOfTwo(8), 8u, TEST_LOCATION);
76 DALI_TEST_EQUALS(NextPowerOfTwo(255), 256u, TEST_LOCATION);
77 DALI_TEST_EQUALS(NextPowerOfTwo(256), 256u, TEST_LOCATION);
78 DALI_TEST_EQUALS(NextPowerOfTwo(257), 512u, TEST_LOCATION);
79 DALI_TEST_EQUALS(NextPowerOfTwo(511), 512u, TEST_LOCATION);
80 DALI_TEST_EQUALS(NextPowerOfTwo(512), 512u, TEST_LOCATION);
81 DALI_TEST_EQUALS(NextPowerOfTwo(513), 1024u, TEST_LOCATION);
82 DALI_TEST_EQUALS(NextPowerOfTwo(768), 1024u, TEST_LOCATION);
83 DALI_TEST_EQUALS(NextPowerOfTwo(1023), 1024u, TEST_LOCATION);
84 DALI_TEST_EQUALS(NextPowerOfTwo(1024), 1024u, TEST_LOCATION);
85 DALI_TEST_EQUALS(NextPowerOfTwo(1025), 2048u, TEST_LOCATION);
89 int UtcDaliMathUtilsNextPowerOfTwoN(void)
91 Dali::TestApplication testApp;
95 NextPowerOfTwo( (1u << (sizeof(unsigned) * 8 - 1)) + 1);
98 catch( Dali::DaliException& e )
100 DALI_TEST_PRINT_ASSERT( e );
101 DALI_TEST_ASSERT( e, "Return type cannot represent the next power of two greater than the argument.", TEST_LOCATION );
105 tet_printf("Assertion test failed - wrong Exception\n" );
106 tet_result(TET_FAIL);
112 int UtcDaliMathUtilsClampP(void)
114 Dali::TestApplication testApp;
117 DALI_TEST_EQUALS(Clamp(-1.0f, 0.0f, 1.0f), 0.0f, TEST_LOCATION);
118 DALI_TEST_EQUALS(Clamp(0.0f, -1.0f, 1.0f), 0.0f, TEST_LOCATION);
119 DALI_TEST_EQUALS(Clamp(1.0f, 0.0f, 1.0f), 1.0f, TEST_LOCATION);
120 DALI_TEST_EQUALS(Clamp(2.0f, 0.0f, 1.0f), 1.0f, TEST_LOCATION);
123 DALI_TEST_EQUALS(Clamp(-10, 0, 10), 0, TEST_LOCATION);
124 DALI_TEST_EQUALS(Clamp(0, -10, 10), 0, TEST_LOCATION);
125 DALI_TEST_EQUALS(Clamp(20, 0, 10), 10, TEST_LOCATION);
127 float value=-10.0f, min=-2.0f, max=4.0f;
128 ClampInPlace(value, min, max);
129 DALI_TEST_EQUALS(value, min, 0.001, TEST_LOCATION);
132 ClampInPlace(value, min, max);
133 DALI_TEST_EQUALS(value, max, 0.001, TEST_LOCATION);
136 ClampInPlace(value, min, max);
137 DALI_TEST_EQUALS(value, 3.0f, 0.001, TEST_LOCATION);
141 int UtcDaliMathUtilsClampInPlaceP(void)
143 Dali::TestApplication testApp;
145 float value=-10.0f, min=-2.0f, max=4.0f;
146 ClampInPlace(value, min, max);
147 DALI_TEST_EQUALS(value, min, 0.001, TEST_LOCATION);
150 ClampInPlace(value, min, max);
151 DALI_TEST_EQUALS(value, max, 0.001, TEST_LOCATION);
154 ClampInPlace(value, min, max);
155 DALI_TEST_EQUALS(value, 3.0f, 0.001, TEST_LOCATION);
159 int UtcDaliMathUtilsLerpP(void)
161 Dali::TestApplication testApp;
163 float offset=0.0f, low=-2.0f, high=4.0f;
164 DALI_TEST_EQUALS(Lerp(offset, low, high), low, 0.001, TEST_LOCATION);
166 DALI_TEST_EQUALS(Lerp(offset, low, high), high, 0.001, TEST_LOCATION);
168 DALI_TEST_EQUALS(Lerp(offset, low, high), 1.0f, 0.001, TEST_LOCATION);
173 int UtcDaliMathUtilsGetRangedEpsilonP(void)
175 Dali::TestApplication testApp;
177 DALI_TEST_EQUALS(GetRangedEpsilon(0.05f, 0.02f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
178 DALI_TEST_EQUALS(GetRangedEpsilon(0.05f, 0.02f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
179 DALI_TEST_EQUALS(GetRangedEpsilon(0.05f, 0.099f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
180 DALI_TEST_EQUALS(GetRangedEpsilon(0.099f, 0.02f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
181 DALI_TEST_EQUALS(GetRangedEpsilon(0.05f, 0.5f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
182 DALI_TEST_EQUALS(GetRangedEpsilon(0.99f, 0.5f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
183 DALI_TEST_EQUALS(GetRangedEpsilon(0.99f, 0.98f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
184 DALI_TEST_EQUALS(GetRangedEpsilon(1.05f, 0.99f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
185 DALI_TEST_EQUALS(GetRangedEpsilon(1.99f, 1.05f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
187 DALI_TEST_EQUALS(GetRangedEpsilon(2.0f, 1.99f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
188 DALI_TEST_EQUALS(GetRangedEpsilon(0.05f, 2.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
189 DALI_TEST_EQUALS(GetRangedEpsilon(1.0f, 3.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
190 DALI_TEST_EQUALS(GetRangedEpsilon(9.99f, 0.5f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
191 DALI_TEST_EQUALS(GetRangedEpsilon(9.99f, 1.5f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
192 DALI_TEST_EQUALS(GetRangedEpsilon(9.99f, 9.99f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
193 DALI_TEST_EQUALS(GetRangedEpsilon(9.99f, 10.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
194 DALI_TEST_EQUALS(GetRangedEpsilon(19.99f, 10.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
196 DALI_TEST_EQUALS(GetRangedEpsilon(20.0f, 10.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
197 DALI_TEST_EQUALS(GetRangedEpsilon(20.0f, 30.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
198 DALI_TEST_EQUALS(GetRangedEpsilon(80.0f, 90.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
199 DALI_TEST_EQUALS(GetRangedEpsilon(180.0f, 190.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
200 DALI_TEST_EQUALS(GetRangedEpsilon(185.0f, 190.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
201 DALI_TEST_EQUALS(GetRangedEpsilon(199.0f, 199.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
203 DALI_TEST_EQUALS(GetRangedEpsilon(200.0f, 190.0f), Dali::Math::MACHINE_EPSILON_1000, TEST_LOCATION);
204 DALI_TEST_EQUALS(GetRangedEpsilon(0.005f, 1999.0f), Dali::Math::MACHINE_EPSILON_1000, TEST_LOCATION);
205 DALI_TEST_EQUALS(GetRangedEpsilon(2000.0f, 190.0f), Dali::Math::MACHINE_EPSILON_10000, TEST_LOCATION);
206 DALI_TEST_EQUALS(GetRangedEpsilon(0.005f, 19999.0f), Dali::Math::MACHINE_EPSILON_10000, TEST_LOCATION);
208 DALI_TEST_EQUALS(GetRangedEpsilon(1e07f, 0.99e09f), Dali::Math::MACHINE_EPSILON_10000, TEST_LOCATION);
211 DALI_TEST_EQUALS(GetRangedEpsilon(-0.05f, -0.02f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
212 DALI_TEST_EQUALS(GetRangedEpsilon(-0.05f, -0.02f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
213 DALI_TEST_EQUALS(GetRangedEpsilon(-0.05f, -0.099f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
214 DALI_TEST_EQUALS(GetRangedEpsilon(-0.099f, - 0.02f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
215 DALI_TEST_EQUALS(GetRangedEpsilon(-0.05f, -0.5f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
216 DALI_TEST_EQUALS(GetRangedEpsilon(-0.99f, -0.5f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
217 DALI_TEST_EQUALS(GetRangedEpsilon(-0.99f, -0.98f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
218 DALI_TEST_EQUALS(GetRangedEpsilon(-1.05f, -0.99f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
219 DALI_TEST_EQUALS(GetRangedEpsilon(-1.99f, -1.05f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
221 DALI_TEST_EQUALS(GetRangedEpsilon(-2.0f, - 1.99f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
222 DALI_TEST_EQUALS(GetRangedEpsilon(-0.05f, -2.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
223 DALI_TEST_EQUALS(GetRangedEpsilon(-1.0f, - 3.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
224 DALI_TEST_EQUALS(GetRangedEpsilon(-9.99f, -0.5f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
225 DALI_TEST_EQUALS(GetRangedEpsilon(-9.99f, -1.5f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
226 DALI_TEST_EQUALS(GetRangedEpsilon(-9.99f, -9.99f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
227 DALI_TEST_EQUALS(GetRangedEpsilon(-9.99f, -10.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
228 DALI_TEST_EQUALS(GetRangedEpsilon(-19.99f, -10.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
230 DALI_TEST_EQUALS(GetRangedEpsilon(-20.0f, -10.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
231 DALI_TEST_EQUALS(GetRangedEpsilon(-20.0f, -30.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
232 DALI_TEST_EQUALS(GetRangedEpsilon(-80.0f, -90.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
233 DALI_TEST_EQUALS(GetRangedEpsilon(-180.0f, -190.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
234 DALI_TEST_EQUALS(GetRangedEpsilon(-185.0f, -190.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
235 DALI_TEST_EQUALS(GetRangedEpsilon(-199.0f, -199.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
237 DALI_TEST_EQUALS(GetRangedEpsilon(-200.0f, -190.0f), Dali::Math::MACHINE_EPSILON_1000, TEST_LOCATION);
238 DALI_TEST_EQUALS(GetRangedEpsilon(-0.005f, -1999.0f), Dali::Math::MACHINE_EPSILON_1000, TEST_LOCATION);
239 DALI_TEST_EQUALS(GetRangedEpsilon(-2000.0f, -190.0f), Dali::Math::MACHINE_EPSILON_10000, TEST_LOCATION);
240 DALI_TEST_EQUALS(GetRangedEpsilon(-0.005f, -19999.0f), Dali::Math::MACHINE_EPSILON_10000, TEST_LOCATION);
242 DALI_TEST_EQUALS(GetRangedEpsilon(-1e07f, -0.99e09f), Dali::Math::MACHINE_EPSILON_10000, TEST_LOCATION);
248 int UtcDaliMathUtilsWrapInDomainP(void)
250 Dali::TestApplication testApp;
252 DALI_TEST_EQUALS(WrapInDomain(0.0f, 0.0f, 0.0f), 0.0f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
253 DALI_TEST_EQUALS(WrapInDomain(-5.0f, 0.0f, 0.0f), 0.0f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
254 DALI_TEST_EQUALS(WrapInDomain(5.0f, 0.0f, 0.0f), 0.0f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
255 DALI_TEST_EQUALS(WrapInDomain(0.0f, 0.0f, 10.0f), 0.0f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
256 DALI_TEST_EQUALS(WrapInDomain(-5.0f, 0.0f, 10.0f), 5.0f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
257 DALI_TEST_EQUALS(WrapInDomain(5.0f, 0.0f, 10.0f), 5.0f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
258 DALI_TEST_EQUALS(WrapInDomain(-2.5f, 0.0f, 10.0f), 7.5f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
259 DALI_TEST_EQUALS(WrapInDomain(2.5f, 0.0f, 10.0f), 2.5f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
260 DALI_TEST_EQUALS(WrapInDomain(2.5f, 0.0f, 1.0f), 0.5f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
261 DALI_TEST_EQUALS(WrapInDomain(2.5f, -2.0f, -1.0f), -1.5f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
262 DALI_TEST_EQUALS(WrapInDomain(-2.9f, -2.0f, -1.0f), -1.9f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
263 DALI_TEST_EQUALS(WrapInDomain(-1.1f, -2.0f, -1.0f), -1.1f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
267 int UtcDaliMathUtilsShortestDistanceInDomainP(void)
269 Dali::TestApplication testApp;
271 DALI_TEST_EQUALS(ShortestDistanceInDomain(1.0f, 8.0f, 0.0f, 10.0f), -3.0f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
272 DALI_TEST_EQUALS(ShortestDistanceInDomain(5.0f, 8.0f, 0.0f, 10.0f), 3.0f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
273 DALI_TEST_EQUALS(ShortestDistanceInDomain(5.0f, 8.0f, 4.0f, 9.0f), -2.0f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
274 DALI_TEST_EQUALS(ShortestDistanceInDomain(8.0f, 5.0f, 4.0f, 9.0f), 2.0f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
275 DALI_TEST_EQUALS(ShortestDistanceInDomain(0.65f, 0.1f, -1.0f, 1.0f), -0.55f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
276 DALI_TEST_EQUALS(ShortestDistanceInDomain(0.95f, -0.9f, -1.0f, 1.0f), 0.15f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
277 DALI_TEST_EQUALS(ShortestDistanceInDomain(0.0f, -0.9f, -1.0f, 1.0f), -0.9f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
281 int UtcDaliMathUtilsEqualsZeroP(void)
285 DALI_TEST_CHECK(EqualsZero(v));
288 v -= (Math::PI_2 * 2.0f);
289 DALI_TEST_CHECK(EqualsZero(v));
294 int UtcDaliMathUtilsEquals01P(void)
298 DALI_TEST_CHECK( Equals(w, x, GetRangedEpsilon( w, x )) );
302 int UtcDaliMathUtilsEquals02P(void)
306 DALI_TEST_CHECK( Equals(w, x) );
310 int UtcDaliMathUtilsRoundP(void)
312 Dali::TestApplication testApp;
314 DALI_TEST_EQUALS(Round(1.00001, 4), 1.0f, TEST_LOCATION);
315 DALI_TEST_EQUALS(Round(0.99999f, 4), 1.0f, TEST_LOCATION);
316 DALI_TEST_EQUALS(Round(-1.00001, 4), -1.0f, TEST_LOCATION);
317 DALI_TEST_EQUALS(Round(-0.99999f, 4), -1.0f, TEST_LOCATION);