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;
37 int UtcDaliMathUtilsNextPowerOfTwoP(void)
39 Dali::TestApplication testApp;
41 DALI_TEST_EQUALS(NextPowerOfTwo(0), 1u, TEST_LOCATION);
42 DALI_TEST_EQUALS(NextPowerOfTwo(1), 1u, TEST_LOCATION);
43 DALI_TEST_EQUALS(NextPowerOfTwo(2), 2u, TEST_LOCATION);
44 DALI_TEST_EQUALS(NextPowerOfTwo(3), 4u, TEST_LOCATION);
45 DALI_TEST_EQUALS(NextPowerOfTwo(4), 4u, TEST_LOCATION);
46 DALI_TEST_EQUALS(NextPowerOfTwo(5), 8u, TEST_LOCATION);
47 DALI_TEST_EQUALS(NextPowerOfTwo(6), 8u, TEST_LOCATION);
48 DALI_TEST_EQUALS(NextPowerOfTwo(7), 8u, TEST_LOCATION);
49 DALI_TEST_EQUALS(NextPowerOfTwo(8), 8u, TEST_LOCATION);
50 DALI_TEST_EQUALS(NextPowerOfTwo(255), 256u, TEST_LOCATION);
51 DALI_TEST_EQUALS(NextPowerOfTwo(256), 256u, TEST_LOCATION);
52 DALI_TEST_EQUALS(NextPowerOfTwo(257), 512u, TEST_LOCATION);
53 DALI_TEST_EQUALS(NextPowerOfTwo(511), 512u, TEST_LOCATION);
54 DALI_TEST_EQUALS(NextPowerOfTwo(512), 512u, TEST_LOCATION);
55 DALI_TEST_EQUALS(NextPowerOfTwo(513), 1024u, TEST_LOCATION);
56 DALI_TEST_EQUALS(NextPowerOfTwo(768), 1024u, TEST_LOCATION);
57 DALI_TEST_EQUALS(NextPowerOfTwo(1023), 1024u, TEST_LOCATION);
58 DALI_TEST_EQUALS(NextPowerOfTwo(1024), 1024u, TEST_LOCATION);
59 DALI_TEST_EQUALS(NextPowerOfTwo(1025), 2048u, TEST_LOCATION);
63 int UtcDaliMathUtilsNextPowerOfTwoN(void)
65 Dali::TestApplication testApp;
69 NextPowerOfTwo( (1u << (sizeof(unsigned) * 8 - 1)) + 1);
72 catch( Dali::DaliException& e )
74 DALI_TEST_PRINT_ASSERT( e );
75 DALI_TEST_ASSERT( e, "Return type cannot represent the next power of two greater than the argument.", TEST_LOCATION );
79 tet_printf("Assertion test failed - wrong Exception\n" );
86 int UtcDaliMathUtilsClampP(void)
88 Dali::TestApplication testApp;
91 DALI_TEST_EQUALS(Clamp(-1.0f, 0.0f, 1.0f), 0.0f, TEST_LOCATION);
92 DALI_TEST_EQUALS(Clamp(0.0f, -1.0f, 1.0f), 0.0f, TEST_LOCATION);
93 DALI_TEST_EQUALS(Clamp(1.0f, 0.0f, 1.0f), 1.0f, TEST_LOCATION);
94 DALI_TEST_EQUALS(Clamp(2.0f, 0.0f, 1.0f), 1.0f, TEST_LOCATION);
97 DALI_TEST_EQUALS(Clamp(-10, 0, 10), 0, TEST_LOCATION);
98 DALI_TEST_EQUALS(Clamp(0, -10, 10), 0, TEST_LOCATION);
99 DALI_TEST_EQUALS(Clamp(20, 0, 10), 10, TEST_LOCATION);
101 float value=-10.0f, min=-2.0f, max=4.0f;
102 ClampInPlace(value, min, max);
103 DALI_TEST_EQUALS(value, min, 0.001, TEST_LOCATION);
106 ClampInPlace(value, min, max);
107 DALI_TEST_EQUALS(value, max, 0.001, TEST_LOCATION);
110 ClampInPlace(value, min, max);
111 DALI_TEST_EQUALS(value, 3.0f, 0.001, TEST_LOCATION);
115 int UtcDaliMathUtilsClampInPlaceP(void)
117 Dali::TestApplication testApp;
119 float value=-10.0f, min=-2.0f, max=4.0f;
120 ClampInPlace(value, min, max);
121 DALI_TEST_EQUALS(value, min, 0.001, TEST_LOCATION);
124 ClampInPlace(value, min, max);
125 DALI_TEST_EQUALS(value, max, 0.001, TEST_LOCATION);
128 ClampInPlace(value, min, max);
129 DALI_TEST_EQUALS(value, 3.0f, 0.001, TEST_LOCATION);
133 int UtcDaliMathUtilsLerpP(void)
135 Dali::TestApplication testApp;
137 float offset=0.0f, low=-2.0f, high=4.0f;
138 DALI_TEST_EQUALS(Lerp(offset, low, high), low, 0.001, TEST_LOCATION);
140 DALI_TEST_EQUALS(Lerp(offset, low, high), high, 0.001, TEST_LOCATION);
142 DALI_TEST_EQUALS(Lerp(offset, low, high), 1.0f, 0.001, TEST_LOCATION);
147 int UtcDaliMathUtilsGetRangedEpsilonP(void)
149 Dali::TestApplication testApp;
151 DALI_TEST_EQUALS(GetRangedEpsilon(0.05f, 0.02f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
152 DALI_TEST_EQUALS(GetRangedEpsilon(0.05f, 0.02f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
153 DALI_TEST_EQUALS(GetRangedEpsilon(0.05f, 0.099f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
154 DALI_TEST_EQUALS(GetRangedEpsilon(0.099f, 0.02f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
155 DALI_TEST_EQUALS(GetRangedEpsilon(0.05f, 0.5f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
156 DALI_TEST_EQUALS(GetRangedEpsilon(0.99f, 0.5f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
157 DALI_TEST_EQUALS(GetRangedEpsilon(0.99f, 0.98f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
158 DALI_TEST_EQUALS(GetRangedEpsilon(1.05f, 0.99f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
159 DALI_TEST_EQUALS(GetRangedEpsilon(1.99f, 1.05f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
161 DALI_TEST_EQUALS(GetRangedEpsilon(2.0f, 1.99f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
162 DALI_TEST_EQUALS(GetRangedEpsilon(0.05f, 2.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
163 DALI_TEST_EQUALS(GetRangedEpsilon(1.0f, 3.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
164 DALI_TEST_EQUALS(GetRangedEpsilon(9.99f, 0.5f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
165 DALI_TEST_EQUALS(GetRangedEpsilon(9.99f, 1.5f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
166 DALI_TEST_EQUALS(GetRangedEpsilon(9.99f, 9.99f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
167 DALI_TEST_EQUALS(GetRangedEpsilon(9.99f, 10.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
168 DALI_TEST_EQUALS(GetRangedEpsilon(19.99f, 10.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
170 DALI_TEST_EQUALS(GetRangedEpsilon(20.0f, 10.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
171 DALI_TEST_EQUALS(GetRangedEpsilon(20.0f, 30.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
172 DALI_TEST_EQUALS(GetRangedEpsilon(80.0f, 90.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
173 DALI_TEST_EQUALS(GetRangedEpsilon(180.0f, 190.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
174 DALI_TEST_EQUALS(GetRangedEpsilon(185.0f, 190.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
175 DALI_TEST_EQUALS(GetRangedEpsilon(199.0f, 199.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
177 DALI_TEST_EQUALS(GetRangedEpsilon(200.0f, 190.0f), Dali::Math::MACHINE_EPSILON_1000, TEST_LOCATION);
178 DALI_TEST_EQUALS(GetRangedEpsilon(0.005f, 1999.0f), Dali::Math::MACHINE_EPSILON_1000, TEST_LOCATION);
179 DALI_TEST_EQUALS(GetRangedEpsilon(2000.0f, 190.0f), Dali::Math::MACHINE_EPSILON_10000, TEST_LOCATION);
180 DALI_TEST_EQUALS(GetRangedEpsilon(0.005f, 19999.0f), Dali::Math::MACHINE_EPSILON_10000, TEST_LOCATION);
182 DALI_TEST_EQUALS(GetRangedEpsilon(1e07f, 0.99e09f), Dali::Math::MACHINE_EPSILON_10000, TEST_LOCATION);
185 DALI_TEST_EQUALS(GetRangedEpsilon(-0.05f, -0.02f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
186 DALI_TEST_EQUALS(GetRangedEpsilon(-0.05f, -0.02f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
187 DALI_TEST_EQUALS(GetRangedEpsilon(-0.05f, -0.099f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
188 DALI_TEST_EQUALS(GetRangedEpsilon(-0.099f, - 0.02f), Dali::Math::MACHINE_EPSILON_0, TEST_LOCATION);
189 DALI_TEST_EQUALS(GetRangedEpsilon(-0.05f, -0.5f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
190 DALI_TEST_EQUALS(GetRangedEpsilon(-0.99f, -0.5f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
191 DALI_TEST_EQUALS(GetRangedEpsilon(-0.99f, -0.98f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
192 DALI_TEST_EQUALS(GetRangedEpsilon(-1.05f, -0.99f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
193 DALI_TEST_EQUALS(GetRangedEpsilon(-1.99f, -1.05f), Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
195 DALI_TEST_EQUALS(GetRangedEpsilon(-2.0f, - 1.99f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
196 DALI_TEST_EQUALS(GetRangedEpsilon(-0.05f, -2.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
197 DALI_TEST_EQUALS(GetRangedEpsilon(-1.0f, - 3.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
198 DALI_TEST_EQUALS(GetRangedEpsilon(-9.99f, -0.5f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
199 DALI_TEST_EQUALS(GetRangedEpsilon(-9.99f, -1.5f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
200 DALI_TEST_EQUALS(GetRangedEpsilon(-9.99f, -9.99f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
201 DALI_TEST_EQUALS(GetRangedEpsilon(-9.99f, -10.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
202 DALI_TEST_EQUALS(GetRangedEpsilon(-19.99f, -10.0f), Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
204 DALI_TEST_EQUALS(GetRangedEpsilon(-20.0f, -10.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
205 DALI_TEST_EQUALS(GetRangedEpsilon(-20.0f, -30.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
206 DALI_TEST_EQUALS(GetRangedEpsilon(-80.0f, -90.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
207 DALI_TEST_EQUALS(GetRangedEpsilon(-180.0f, -190.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
208 DALI_TEST_EQUALS(GetRangedEpsilon(-185.0f, -190.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
209 DALI_TEST_EQUALS(GetRangedEpsilon(-199.0f, -199.0f), Dali::Math::MACHINE_EPSILON_100, TEST_LOCATION);
211 DALI_TEST_EQUALS(GetRangedEpsilon(-200.0f, -190.0f), Dali::Math::MACHINE_EPSILON_1000, TEST_LOCATION);
212 DALI_TEST_EQUALS(GetRangedEpsilon(-0.005f, -1999.0f), Dali::Math::MACHINE_EPSILON_1000, TEST_LOCATION);
213 DALI_TEST_EQUALS(GetRangedEpsilon(-2000.0f, -190.0f), Dali::Math::MACHINE_EPSILON_10000, TEST_LOCATION);
214 DALI_TEST_EQUALS(GetRangedEpsilon(-0.005f, -19999.0f), Dali::Math::MACHINE_EPSILON_10000, TEST_LOCATION);
216 DALI_TEST_EQUALS(GetRangedEpsilon(-1e07f, -0.99e09f), Dali::Math::MACHINE_EPSILON_10000, TEST_LOCATION);
222 int UtcDaliMathUtilsWrapInDomainP(void)
224 Dali::TestApplication testApp;
226 DALI_TEST_EQUALS(WrapInDomain(0.0f, 0.0f, 0.0f), 0.0f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
227 DALI_TEST_EQUALS(WrapInDomain(-5.0f, 0.0f, 0.0f), 0.0f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
228 DALI_TEST_EQUALS(WrapInDomain(5.0f, 0.0f, 0.0f), 0.0f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
229 DALI_TEST_EQUALS(WrapInDomain(0.0f, 0.0f, 10.0f), 0.0f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
230 DALI_TEST_EQUALS(WrapInDomain(-5.0f, 0.0f, 10.0f), 5.0f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
231 DALI_TEST_EQUALS(WrapInDomain(5.0f, 0.0f, 10.0f), 5.0f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
232 DALI_TEST_EQUALS(WrapInDomain(-2.5f, 0.0f, 10.0f), 7.5f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
233 DALI_TEST_EQUALS(WrapInDomain(2.5f, 0.0f, 10.0f), 2.5f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
234 DALI_TEST_EQUALS(WrapInDomain(2.5f, 0.0f, 1.0f), 0.5f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
235 DALI_TEST_EQUALS(WrapInDomain(2.5f, -2.0f, -1.0f), -1.5f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
236 DALI_TEST_EQUALS(WrapInDomain(-2.9f, -2.0f, -1.0f), -1.9f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
237 DALI_TEST_EQUALS(WrapInDomain(-1.1f, -2.0f, -1.0f), -1.1f, Dali::Math::MACHINE_EPSILON_1, TEST_LOCATION);
241 int UtcDaliMathUtilsShortestDistanceInDomainP(void)
243 Dali::TestApplication testApp;
245 DALI_TEST_EQUALS(ShortestDistanceInDomain(1.0f, 8.0f, 0.0f, 10.0f), -3.0f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
246 DALI_TEST_EQUALS(ShortestDistanceInDomain(5.0f, 8.0f, 0.0f, 10.0f), 3.0f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
247 DALI_TEST_EQUALS(ShortestDistanceInDomain(5.0f, 8.0f, 4.0f, 9.0f), -2.0f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
248 DALI_TEST_EQUALS(ShortestDistanceInDomain(8.0f, 5.0f, 4.0f, 9.0f), 2.0f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
249 DALI_TEST_EQUALS(ShortestDistanceInDomain(0.65f, 0.1f, -1.0f, 1.0f), -0.55f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
250 DALI_TEST_EQUALS(ShortestDistanceInDomain(0.95f, -0.9f, -1.0f, 1.0f), 0.15f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
251 DALI_TEST_EQUALS(ShortestDistanceInDomain(0.0f, -0.9f, -1.0f, 1.0f), -0.9f, Dali::Math::MACHINE_EPSILON_10, TEST_LOCATION);
255 int UtcDaliMathUtilsEqualsZeroP(void)
259 DALI_TEST_CHECK(EqualsZero(v));
262 v -= (Math::PI_2 * 2.0f);
263 DALI_TEST_CHECK(EqualsZero(v));
268 int UtcDaliMathUtilsEquals01P(void)
272 DALI_TEST_CHECK( Equals(w, x, GetRangedEpsilon( w, x )) );
276 int UtcDaliMathUtilsEquals02P(void)
280 DALI_TEST_CHECK( Equals(w, x) );
284 int UtcDaliMathUtilsRoundP(void)
286 Dali::TestApplication testApp;
288 DALI_TEST_EQUALS(Round(1.00001, 4), 1.0f, TEST_LOCATION);
289 DALI_TEST_EQUALS(Round(0.99999f, 4), 1.0f, TEST_LOCATION);
290 DALI_TEST_EQUALS(Round(-1.00001, 4), -1.0f, TEST_LOCATION);
291 DALI_TEST_EQUALS(Round(-0.99999f, 4), -1.0f, TEST_LOCATION);