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/deps/glm-0.9.4.0/test/gtc/gtc_half_float.cpp

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C++ | 554 lines | 406 code | 114 blank | 34 comment | 65 complexity | 9adf73779721c62eaf2ac42a79f11a54 MD5 | raw file
  1. ///////////////////////////////////////////////////////////////////////////////////
  2. /// OpenGL Mathematics (glm.g-truc.net)
  3. ///
  4. /// Copyright (c) 2005 - 2012 G-Truc Creation (www.g-truc.net)
  5. /// Permission is hereby granted, free of charge, to any person obtaining a copy
  6. /// of this software and associated documentation files (the "Software"), to deal
  7. /// in the Software without restriction, including without limitation the rights
  8. /// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  9. /// copies of the Software, and to permit persons to whom the Software is
  10. /// furnished to do so, subject to the following conditions:
  11. ///
  12. /// The above copyright notice and this permission notice shall be included in
  13. /// all copies or substantial portions of the Software.
  14. ///
  15. /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16. /// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17. /// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18. /// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19. /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20. /// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21. /// THE SOFTWARE.
  22. ///
  23. /// @ref test
  24. /// @file test/gtc/half_float.cpp
  25. /// @date 2011-05-32 / 2012-04-07
  26. /// @author Christophe Riccio
  27. ///////////////////////////////////////////////////////////////////////////////////
  28. #include <glm/glm.hpp>
  29. #include <glm/gtc/half_float.hpp>
  30. int test_half_precision_scalar()
  31. {
  32. int Error = 0;
  33. Error += sizeof(glm::half) == 2 ? 0 : 1;
  34. return Error;
  35. }
  36. int test_half_precision_vec()
  37. {
  38. int Error = 0;
  39. Error += sizeof(glm::hvec2) == 4 ? 0 : 1;
  40. Error += sizeof(glm::hvec3) == 6 ? 0 : 1;
  41. Error += sizeof(glm::hvec4) == 8 ? 0 : 1;
  42. return Error;
  43. }
  44. int test_half_precision_mat()
  45. {
  46. int Error = 0;
  47. Error += sizeof(glm::hmat2) == 8 ? 0 : 1;
  48. Error += sizeof(glm::hmat3) == 18 ? 0 : 1;
  49. Error += sizeof(glm::hmat4) == 32 ? 0 : 1;
  50. Error += sizeof(glm::hmat2x2) == 8 ? 0 : 1;
  51. Error += sizeof(glm::hmat2x3) == 12 ? 0 : 1;
  52. Error += sizeof(glm::hmat2x4) == 16 ? 0 : 1;
  53. Error += sizeof(glm::hmat3x2) == 12 ? 0 : 1;
  54. Error += sizeof(glm::hmat3x3) == 18 ? 0 : 1;
  55. Error += sizeof(glm::hmat3x4) == 24 ? 0 : 1;
  56. Error += sizeof(glm::hmat4x2) == 16 ? 0 : 1;
  57. Error += sizeof(glm::hmat4x3) == 24 ? 0 : 1;
  58. Error += sizeof(glm::hmat4x4) == 32 ? 0 : 1;
  59. return Error;
  60. }
  61. int test_half_ctor_mat2x2()
  62. {
  63. int Error = 0;
  64. {
  65. glm::hvec2 A(1, 2);
  66. glm::hvec2 B(3, 4);
  67. glm::hmat2 C(A, B);//, 2.0f, 3.0f, 4.0f);
  68. glm::hmat2 D(1, 2, 3, 4);
  69. Error += C[0] == D[0] ? 0 : 1;
  70. Error += C[1] == D[1] ? 0 : 1;
  71. }
  72. {
  73. glm::hvec2 A(1, 2.0);
  74. glm::hvec2 B(3, 4.0);
  75. glm::hmat2 C(A, B);//, 2.0f, 3.0f, 4.0f);
  76. glm::hmat2 D(1, 2.0, 3u, 4.0f);
  77. Error += C[0] == D[0] ? 0 : 1;
  78. Error += C[1] == D[1] ? 0 : 1;
  79. }
  80. {
  81. glm::hmat2 A(1);
  82. glm::mat2 B(1);
  83. glm::hmat2 C(A);
  84. Error += A == C ? 0 : 1;
  85. }
  86. return Error;
  87. }
  88. int test_half_ctor_mat2x3()
  89. {
  90. int Error = 0;
  91. {
  92. glm::hvec3 A(1, 2, 3);
  93. glm::hvec3 B(4, 5, 6);
  94. glm::hmat2x3 C(A, B);
  95. glm::hmat2x3 D(1, 2, 3, 4, 5, 6);
  96. Error += C[0] == D[0] ? 0 : 1;
  97. Error += C[1] == D[1] ? 0 : 1;
  98. }
  99. {
  100. glm::hvec3 A(1.0, 2.0f, 3u);
  101. glm::hvec3 B(4, 5u, 6u);
  102. glm::hmat2x3 C(A, B);
  103. glm::hmat2x3 D(1, 2.0, 3u, 4.0f, 5.0, 6);
  104. Error += C[0] == D[0] ? 0 : 1;
  105. Error += C[1] == D[1] ? 0 : 1;
  106. }
  107. {
  108. glm::hmat2x3 A(1);
  109. glm::mat2x3 B(1);
  110. glm::hmat2x3 C(A);
  111. Error += A == C ? 0 : 1;
  112. }
  113. return Error;
  114. }
  115. int test_half_ctor_mat2x4()
  116. {
  117. int Error = 0;
  118. {
  119. glm::hvec4 A(1, 2, 3, 4);
  120. glm::hvec4 B(5, 6, 7, 8);
  121. glm::hmat2x4 C(A, B);
  122. glm::hmat2x4 D(1, 2, 3, 4, 5, 6, 7, 8);
  123. Error += C[0] == D[0] ? 0 : 1;
  124. Error += C[1] == D[1] ? 0 : 1;
  125. }
  126. {
  127. glm::hvec4 A(1.0, 2.0f, 3u, 4u);
  128. glm::hvec4 B(5u, 6u, 7.0, 8.0);
  129. glm::hmat2x4 C(A, B);
  130. glm::hmat2x4 D(1, 2.0, 3u, 4.0f, 5.0, 6, 7.0f, 8.0f);
  131. Error += C[0] == D[0] ? 0 : 1;
  132. Error += C[1] == D[1] ? 0 : 1;
  133. }
  134. {
  135. glm::hmat2x4 A(1);
  136. glm::mat2x4 B(1);
  137. glm::hmat2x4 C(A);
  138. Error += A == C ? 0 : 1;
  139. }
  140. return Error;
  141. }
  142. int test_half_ctor_mat3x2()
  143. {
  144. int Error = 0;
  145. {
  146. glm::hvec2 A(1, 2);
  147. glm::hvec2 B(3, 4);
  148. glm::hvec2 C(5, 6);
  149. glm::hmat3x2 M(A, B, C);
  150. glm::hmat3x2 N(1, 2, 3, 4, 5, 6);
  151. Error += M == N ? 0 : 1;
  152. }
  153. {
  154. glm::hvec2 A(1, 2.0);
  155. glm::hvec2 B(3, 4.0f);
  156. glm::hvec2 C(5u, 6.0f);
  157. glm::hmat3x2 M(A, B, C);
  158. glm::hmat3x2 N(1, 2.0, 3u, 4.0f, 5, 6);
  159. Error += M == N ? 0 : 1;
  160. }
  161. {
  162. glm::hmat3x2 A(1);
  163. glm::mat3x2 B(1);
  164. glm::hmat3x2 C(A);
  165. Error += A == C ? 0 : 1;
  166. }
  167. return Error;
  168. }
  169. int test_half_ctor_mat3x3()
  170. {
  171. int Error = 0;
  172. {
  173. glm::hvec3 A(1, 2, 3);
  174. glm::hvec3 B(4, 5, 6);
  175. glm::hvec3 C(7, 8, 9);
  176. glm::hmat3x3 M(A, B, C);
  177. glm::hmat3x3 N(1, 2, 3, 4, 5, 6, 7, 8, 9);
  178. Error += M == N ? 0 : 1;
  179. }
  180. {
  181. glm::hvec3 A(1, 2.0, 3.0f);
  182. glm::hvec3 B(4, 5.0f, 6.0);
  183. glm::hvec3 C(7u, 8.0f, 9);
  184. glm::hmat3x3 M(A, B, C);
  185. glm::hmat3x3 N(1, 2.0, 3u, 4.0f, 5, 6, 7.0f, 8.0, 9u);
  186. Error += M == N ? 0 : 1;
  187. }
  188. {
  189. glm::hmat3x3 A(1);
  190. glm::mat3x3 B(1);
  191. glm::hmat3x3 C(A);
  192. Error += A == C ? 0 : 1;
  193. }
  194. return Error;
  195. }
  196. int test_half_ctor_mat3x4()
  197. {
  198. int Error = 0;
  199. {
  200. glm::hvec4 A(1, 2, 3, 4);
  201. glm::hvec4 B(5, 6, 7, 8);
  202. glm::hvec4 C(9, 10, 11, 12);
  203. glm::hmat3x4 M(A, B, C);
  204. glm::hmat3x4 N(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12);
  205. Error += M == N ? 0 : 1;
  206. }
  207. {
  208. glm::hvec4 A(1, 2.0, 3.0f, 4u);
  209. glm::hvec4 B(5, 6.0f, 7.0, 8);
  210. glm::hvec4 C(9u, 10.0f, 11, 12.f);
  211. glm::hmat3x4 M(A, B, C);
  212. glm::hmat3x4 N(1, 2.0, 3u, 4.0f, 5, 6, 7.0f, 8.0, 9u, 10, 11.f, 12.0);
  213. Error += M == N ? 0 : 1;
  214. }
  215. {
  216. glm::hmat3x4 A(1);
  217. glm::mat3x4 B(1);
  218. glm::hmat3x4 C(A);
  219. Error += A == C ? 0 : 1;
  220. }
  221. return Error;
  222. }
  223. int test_half_ctor_mat4x2()
  224. {
  225. int Error = 0;
  226. {
  227. glm::hvec2 A(1, 2);
  228. glm::hvec2 B(3, 4);
  229. glm::hvec2 C(5, 6);
  230. glm::hvec2 D(7, 8);
  231. glm::hmat4x2 M(A, B, C, D);
  232. glm::hmat4x2 N(1, 2, 3, 4, 5, 6, 7, 8);
  233. Error += M == N ? 0 : 1;
  234. }
  235. {
  236. glm::hvec2 A(1, 2.0);
  237. glm::hvec2 B(3.0f, 4);
  238. glm::hvec2 C(5.0, 6u);
  239. glm::hvec2 D(7, 8u);
  240. glm::hmat4x2 M(A, B, C, D);
  241. glm::hmat4x2 N(1, 2.0, 3u, 4.0f, 5u, 6.0, 7, 8.0f);
  242. Error += M == N ? 0 : 1;
  243. }
  244. {
  245. glm::hmat4x2 A(1);
  246. glm::mat4x2 B(1);
  247. glm::hmat4x2 C(A);
  248. Error += A == C ? 0 : 1;
  249. }
  250. return Error;
  251. }
  252. int test_half_ctor_mat4x3()
  253. {
  254. int Error = 0;
  255. {
  256. glm::hvec3 A(1, 2, 3);
  257. glm::hvec3 B(4, 5, 6);
  258. glm::hvec3 C(7, 8, 9);
  259. glm::hvec3 D(10, 11, 12);
  260. glm::hmat4x3 M(A, B, C, D);
  261. glm::hmat4x3 N(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12);
  262. Error += M == N ? 0 : 1;
  263. }
  264. {
  265. glm::hvec3 A(1, 2.0, 3u);
  266. glm::hvec3 B(4.0f, 5, 6u);
  267. glm::hvec3 C(7.0, 8u, 9.f);
  268. glm::hvec3 D(10, 11u, 12.0);
  269. glm::hmat4x3 M(A, B, C, D);
  270. glm::hmat4x3 N(1, 2.0, 3u, 4.0f, 5u, 6.0, 7, 8.0f, 9, 10u, 11.f, 12.0);
  271. Error += M == N ? 0 : 1;
  272. }
  273. {
  274. glm::hmat4x3 A(1);
  275. glm::mat4x3 B(1);
  276. glm::hmat4x3 C(A);
  277. Error += A == C ? 0 : 1;
  278. }
  279. return Error;
  280. }
  281. int test_half_ctor_mat4x4()
  282. {
  283. int Error = 0;
  284. {
  285. glm::hvec4 A(1, 2, 3, 4);
  286. glm::hvec4 B(5, 6, 7, 8);
  287. glm::hvec4 C(9, 10, 11, 12);
  288. glm::hvec4 D(13, 14, 15, 16);
  289. glm::hmat4x4 M(A, B, C, D);
  290. glm::hmat4x4 N(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16);
  291. Error += M == N ? 0 : 1;
  292. }
  293. {
  294. glm::hvec4 A(1, 2.0, 3u, 4);
  295. glm::hvec4 B(5.0f, 6, 7u, 8.0);
  296. glm::hvec4 C(9.0, 10u, 11.f, 12);
  297. glm::hvec4 D(13, 14u, 15.0, 16u);
  298. glm::hmat4x4 M(A, B, C, D);
  299. glm::hmat4x4 N(1, 2.0, 3u, 4.0f, 5u, 6.0, 7, 8.0f, 9, 10u, 11.f, 12.0, 13, 14u, 15.0f, 16.0);
  300. Error += M == N ? 0 : 1;
  301. }
  302. {
  303. glm::hmat4x4 A(1);
  304. glm::mat4x4 B(1);
  305. glm::hmat4x4 C(A);
  306. Error += A == C ? 0 : 1;
  307. }
  308. return Error;
  309. }
  310. int test_half_ctor_vec2()
  311. {
  312. int Error = 0;
  313. {
  314. glm::hvec2 A;
  315. A.x = glm::half(1);
  316. A.y = glm::half(2);
  317. //glm::hvec2 A(1, 2);
  318. glm::hvec2 B(A);
  319. glm::vec2 C(1, 2);
  320. glm::hvec2 D(C);
  321. glm::dvec2 E(1, 2);
  322. glm::hvec2 F(E);
  323. glm::hvec2 G(1, 2.0);
  324. glm::hvec2 H;
  325. H = A;
  326. Error += A == B ? 0 : 1;
  327. //Error += C == D ? 0 : 1; //Error
  328. //Error += E == F ? 0 : 1; //Error
  329. Error += A == G ? 0 : 1;
  330. Error += A == H ? 0 : 1;
  331. }
  332. {
  333. glm::hvec2 A(1);
  334. glm::vec2 B(1);
  335. glm::hvec2 C(A);
  336. Error += A == C ? 0 : 1;
  337. }
  338. return Error;
  339. }
  340. int test_half_ctor_vec3()
  341. {
  342. int Error = 0;
  343. {
  344. glm::hvec3 A(1, 2, 3);
  345. glm::hvec3 B(A);
  346. glm::vec3 C(1, 2, 3);
  347. glm::hvec3 D(C);
  348. glm::dvec3 E(1, 2, 3);
  349. glm::hvec3 F(E);
  350. glm::hvec3 G(1, 2.0, 3);
  351. glm::hvec3 H;
  352. H = A;
  353. Error += A == B ? 0 : 1;
  354. //Error += C == D ? 0 : 1;
  355. //Error += E == F ? 0 : 1;
  356. Error += A == G ? 0 : 1;
  357. Error += A == H ? 0 : 1;
  358. }
  359. {
  360. glm::hvec3 A(1);
  361. glm::vec3 B(1);
  362. glm::hvec3 C(B);
  363. Error += A == C ? 0 : 1;
  364. }
  365. return Error;
  366. }
  367. int test_half_ctor_vec4()
  368. {
  369. int Error = 0;
  370. {
  371. glm::hvec4 A(1, 2, 3, 4);
  372. glm::hvec4 B(A);
  373. glm::vec4 C(1, 2, 3, 4);
  374. glm::hvec4 D(C);
  375. glm::dvec4 E(1, 2, 3, 4);
  376. glm::hvec4 F(E);
  377. glm::hvec4 G(1, 2.0, 3, 4);
  378. glm::hvec4 H;
  379. H = A;
  380. Error += A == B ? 0 : 1;
  381. //Error += C == D ? 0 : 1;
  382. //Error += E == F ? 0 : 1;
  383. Error += A == G ? 0 : 1;
  384. Error += A == H ? 0 : 1;
  385. }
  386. {
  387. glm::hvec4 A(1);
  388. glm::vec4 B(1);
  389. glm::hvec4 C(B);
  390. Error += A == C ? 0 : 1;
  391. }
  392. return Error;
  393. }
  394. int test_hvec2_size()
  395. {
  396. int Error = 0;
  397. Error += sizeof(glm::hvec2) <= sizeof(glm::lowp_vec2) ? 0 : 1;
  398. Error += 4 == sizeof(glm::hvec2) ? 0 : 1;
  399. Error += glm::hvec2().length() == 2 ? 0 : 1;
  400. return Error;
  401. }
  402. int test_hvec3_size()
  403. {
  404. int Error = 0;
  405. Error += sizeof(glm::hvec3) <= sizeof(glm::lowp_vec3) ? 0 : 1;
  406. Error += 6 <= sizeof(glm::hvec3) ? 0 : 1;
  407. Error += glm::hvec3().length() == 3 ? 0 : 1;
  408. return Error;
  409. }
  410. int test_hvec4_size()
  411. {
  412. int Error = 0;
  413. Error += sizeof(glm::hvec4) <= sizeof(glm::lowp_vec4) ? 0 : 1;
  414. Error += 8 <= sizeof(glm::hvec4) ? 0 : 1;
  415. Error += glm::hvec4().length() == 4 ? 0 : 1;
  416. return Error;
  417. }
  418. int main()
  419. {
  420. int Error = 0;
  421. Error += test_hvec2_size();
  422. Error += test_hvec3_size();
  423. Error += test_hvec4_size();
  424. Error += test_half_ctor_vec2();
  425. Error += test_half_ctor_vec3();
  426. Error += test_half_ctor_vec4();
  427. Error += test_half_ctor_mat2x2();
  428. Error += test_half_ctor_mat2x3();
  429. Error += test_half_ctor_mat2x4();
  430. Error += test_half_ctor_mat3x2();
  431. Error += test_half_ctor_mat3x3();
  432. Error += test_half_ctor_mat3x4();
  433. Error += test_half_ctor_mat4x2();
  434. Error += test_half_ctor_mat4x3();
  435. Error += test_half_ctor_mat4x4();
  436. Error += test_half_precision_scalar();
  437. Error += test_half_precision_vec();
  438. Error += test_half_precision_mat();
  439. return Error;
  440. }