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test_idamin.c 19 kB

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  1. /*****************************************************************************
  2. Copyright (c) 2023, The OpenBLAS Project
  3. All rights reserved.
  4. Redistribution and use in source and binary forms, with or without
  5. modification, are permitted provided that the following conditions are
  6. met:
  7. 1. Redistributions of source code must retain the above copyright
  8. notice, this list of conditions and the following disclaimer.
  9. 2. Redistributions in binary form must reproduce the above copyright
  10. notice, this list of conditions and the following disclaimer in
  11. the documentation and/or other materials provided with the
  12. distribution.
  13. 3. Neither the name of the OpenBLAS project nor the names of
  14. its contributors may be used to endorse or promote products
  15. derived from this software without specific prior written
  16. permission.
  17. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  18. AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19. IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20. ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  21. LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22. DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23. SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  24. CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  25. OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  26. USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27. **********************************************************************************/
  28. #include "utest/openblas_utest.h"
  29. #include <cblas.h>
  30. #define ELEMENTS 50
  31. #define INCREMENT 2
  32. #ifdef BUILD_DOUBLE
  33. /**
  34. * Fortran API specific test
  35. * Test idamin by comparing it against pre-calculated values
  36. */
  37. CTEST(idamin, bad_args_N_0){
  38. blasint i;
  39. blasint N = 0, inc = 1;
  40. double x[ELEMENTS];
  41. for (i = 0; i < ELEMENTS * inc; i ++) {
  42. x[i] = 1000 - i;
  43. }
  44. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  45. ASSERT_EQUAL(0, index);
  46. }
  47. /**
  48. * Fortran API specific test
  49. * Test idamin by comparing it against pre-calculated values
  50. */
  51. CTEST(idamin, step_zero){
  52. blasint i;
  53. blasint N = ELEMENTS, inc = 0;
  54. double x[ELEMENTS];
  55. for (i = 0; i < N; i ++) {
  56. x[i] = i + 1000;
  57. }
  58. x[8] = 0.0;
  59. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  60. ASSERT_EQUAL(0, index);
  61. }
  62. /**
  63. * Fortran API specific test
  64. * Test idamin by comparing it against pre-calculated values
  65. */
  66. CTEST(idamin, positive_step_1_N_1){
  67. blasint N = 1, inc = 1;
  68. double x[] = {1.1};
  69. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  70. ASSERT_EQUAL(1, index);
  71. }
  72. /**
  73. * Fortran API specific test
  74. * Test idamin by comparing it against pre-calculated values
  75. */
  76. CTEST(idamin, negative_step_1_N_1){
  77. blasint N = 1, inc = 1;
  78. double x[] = {-1.1};
  79. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  80. ASSERT_EQUAL(1, index);
  81. }
  82. /**
  83. * Fortran API specific test
  84. * Test idamin by comparing it against pre-calculated values
  85. */
  86. CTEST(idamin, positive_step_2_N_1){
  87. blasint N = 1, inc = 2;
  88. double x[] = {1.1, 0.0};
  89. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  90. ASSERT_EQUAL(1, index);
  91. }
  92. /**
  93. * Fortran API specific test
  94. * Test idamin by comparing it against pre-calculated values
  95. */
  96. CTEST(idamin, negative_step_2_N_1){
  97. blasint N = 1, inc = 2;
  98. double x[] = {-1.1, 0.0};
  99. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  100. ASSERT_EQUAL(1, index);
  101. }
  102. /**
  103. * Fortran API specific test
  104. * Test idamin by comparing it against pre-calculated values
  105. */
  106. CTEST(idamin, positive_step_1_N_2){
  107. blasint N = 2, inc = 1;
  108. double x[] = {1.1, 1.0};
  109. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  110. ASSERT_EQUAL(2, index);
  111. }
  112. /**
  113. * Fortran API specific test
  114. * Test idamin by comparing it against pre-calculated values
  115. */
  116. CTEST(idamin, negative_step_1_N_2){
  117. blasint N = 2, inc = 1;
  118. double x[] = {-1.1, 1.0};
  119. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  120. ASSERT_EQUAL(2, index);
  121. }
  122. /**
  123. * Fortran API specific test
  124. * Test idamin by comparing it against pre-calculated values
  125. */
  126. CTEST(idamin, positive_step_2_N_2){
  127. blasint N = 2, inc = 2;
  128. double x[] = {1.1, 0.0, 1.0, 0.0};
  129. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  130. ASSERT_EQUAL(2, index);
  131. }
  132. /**
  133. * Fortran API specific test
  134. * Test idamin by comparing it against pre-calculated values
  135. */
  136. CTEST(idamin, negative_step_2_N_2){
  137. blasint N = 2, inc = 2;
  138. double x[] = {-1.1, 0.0, 1.0, 0.0};
  139. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  140. ASSERT_EQUAL(2, index);
  141. }
  142. /**
  143. * Fortran API specific test
  144. * Test idamin by comparing it against pre-calculated values
  145. */
  146. CTEST(idamin, positive_step_1_N_3){
  147. blasint N = 3, inc = 1;
  148. double x[] = {1.1, 1.0, 2.2};
  149. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  150. ASSERT_EQUAL(2, index);
  151. }
  152. /**
  153. * Fortran API specific test
  154. * Test idamin by comparing it against pre-calculated values
  155. */
  156. CTEST(idamin, negative_step_1_N_3){
  157. blasint N = 3, inc = 1;
  158. double x[] = {-1.1, 1.0, -2.2};
  159. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  160. ASSERT_EQUAL(2, index);
  161. }
  162. /**
  163. * Fortran API specific test
  164. * Test idamin by comparing it against pre-calculated values
  165. */
  166. CTEST(idamin, positive_step_2_N_3){
  167. blasint N = 3, inc = 2;
  168. double x[] = {1.1, 0.0, 1.0, 0.0, 2.2, 0.0};
  169. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  170. ASSERT_EQUAL(2, index);
  171. }
  172. /**
  173. * Fortran API specific test
  174. * Test idamin by comparing it against pre-calculated values
  175. */
  176. CTEST(idamin, negative_step_2_N_3){
  177. blasint N = 3, inc = 2;
  178. double x[] = {-1.1, 0.0, 1.0, 0.0, -2.2, 0.0};
  179. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  180. ASSERT_EQUAL(2, index);
  181. }
  182. /**
  183. * Fortran API specific test
  184. * Test idamin by comparing it against pre-calculated values
  185. */
  186. CTEST(idamin, positive_step_1_N_4){
  187. blasint N = 4, inc = 1;
  188. double x[] = {1.1, 1.0, 2.2, 3.3};
  189. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  190. ASSERT_EQUAL(2, index);
  191. }
  192. /**
  193. * Fortran API specific test
  194. * Test idamin by comparing it against pre-calculated values
  195. */
  196. CTEST(idamin, negative_step_1_N_4){
  197. blasint N = 4, inc = 1;
  198. double x[] = {-1.1, 1.0, -2.2, -3.3};
  199. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  200. ASSERT_EQUAL(2, index);
  201. }
  202. /**
  203. * Fortran API specific test
  204. * Test idamin by comparing it against pre-calculated values
  205. */
  206. CTEST(idamin, positive_step_2_N_4){
  207. blasint N = 4, inc = 2;
  208. double x[] = {1.1, 0.0, 1.0, 0.0, 2.2, 0.0, 3.3, 0.0};
  209. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  210. ASSERT_EQUAL(2, index);
  211. }
  212. /**
  213. * Fortran API specific test
  214. * Test idamin by comparing it against pre-calculated values
  215. */
  216. CTEST(idamin, negative_step_2_N_4){
  217. blasint N = 4, inc = 2;
  218. double x[] = {-1.1, 0.0, 1.0, 0.0, -2.2, 0.0, -3.3, 0.0};
  219. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  220. ASSERT_EQUAL(2, index);
  221. }
  222. /**
  223. * Fortran API specific test
  224. * Test idamin by comparing it against pre-calculated values
  225. */
  226. CTEST(idamin, positive_step_1_N_5){
  227. blasint N = 5, inc = 1;
  228. double x[] = {1.1, 1.0, 2.2, 3.3, 0.0};
  229. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  230. ASSERT_EQUAL(5, index);
  231. }
  232. /**
  233. * Fortran API specific test
  234. * Test idamin by comparing it against pre-calculated values
  235. */
  236. CTEST(idamin, negative_step_1_N_5){
  237. blasint N = 5, inc = 1;
  238. double x[] = {-1.1, 1.0, -2.2, -3.3, 0.0};
  239. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  240. ASSERT_EQUAL(5, index);
  241. }
  242. /**
  243. * Fortran API specific test
  244. * Test idamin by comparing it against pre-calculated values
  245. */
  246. CTEST(idamin, positive_step_2_N_5){
  247. blasint N = 5, inc = 2;
  248. double x[] = {1.1, 0.0, 1.0, 0.0, 2.2, 0.0, 3.3, 0.0, 0.0, 0.0};
  249. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  250. ASSERT_EQUAL(5, index);
  251. }
  252. /**
  253. * Fortran API specific test
  254. * Test idamin by comparing it against pre-calculated values
  255. */
  256. CTEST(idamin, negative_step_2_N_5){
  257. blasint N = 5, inc = 2;
  258. double x[] = {-1.1, 0.0, 1.0, 0.0, -2.2, 0.0, -3.3, 0.0, 0.0, 0.0};
  259. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  260. ASSERT_EQUAL(5, index);
  261. }
  262. /**
  263. * Fortran API specific test
  264. * Test idamin by comparing it against pre-calculated values
  265. */
  266. CTEST(idamin, positive_step_1_N_50){
  267. blasint i;
  268. blasint N = ELEMENTS, inc = 1;
  269. double x[ELEMENTS];
  270. for (i = 0; i < N * inc; i ++) {
  271. x[i] = i + 1000;
  272. }
  273. x[8 * inc] = 0.0;
  274. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  275. ASSERT_EQUAL(9, index);
  276. }
  277. /**
  278. * Fortran API specific test
  279. * Test idamin by comparing it against pre-calculated values
  280. */
  281. CTEST(idamin, negative_step_1_N_50){
  282. blasint i;
  283. blasint N = ELEMENTS, inc = 1;
  284. double x[ELEMENTS];
  285. for (i = 0; i < N * inc; i ++) {
  286. x[i] = - i - 1000;
  287. }
  288. x[8 * inc] = -1.0;
  289. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  290. ASSERT_EQUAL(9, index);
  291. }
  292. /**
  293. * Fortran API specific test
  294. * Test idamin by comparing it against pre-calculated values
  295. */
  296. CTEST(idamin, positive_step_2_N_50){
  297. blasint i;
  298. blasint N = ELEMENTS, inc = INCREMENT;
  299. double x[ELEMENTS * INCREMENT];
  300. for (i = 0; i < N * inc; i ++) {
  301. x[i] = i + 1000;
  302. }
  303. x[8 * inc] = 0.0;
  304. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  305. ASSERT_EQUAL(9, index);
  306. }
  307. /**
  308. * Fortran API specific test
  309. * Test idamin by comparing it against pre-calculated values
  310. */
  311. CTEST(idamin, negative_step_2_N_50){
  312. blasint i;
  313. blasint N = ELEMENTS, inc = INCREMENT;
  314. double x[ELEMENTS * INCREMENT];
  315. for (i = 0; i < N * inc; i ++) {
  316. x[i] = - i - 1000;
  317. }
  318. x[8 * inc] = -1.0;
  319. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  320. ASSERT_EQUAL(9, index);
  321. }
  322. /**
  323. * Fortran API specific test
  324. * Test idamin by comparing it against pre-calculated values
  325. */
  326. CTEST(idamin, min_idx_in_vec_tail){
  327. blasint i;
  328. blasint N = ELEMENTS, inc = INCREMENT;
  329. double x[ELEMENTS * INCREMENT];
  330. for (i = 0; i < N * inc; i ++) {
  331. x[i] = i + 1000;
  332. }
  333. x[(N - 1) * inc] = 0.0;
  334. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  335. ASSERT_EQUAL(N, index);
  336. }
  337. /**
  338. * Fortran API specific test
  339. * Test idamin by comparing it against pre-calculated values
  340. */
  341. CTEST(idamin, min_idx_in_vec_tail_inc_1){
  342. blasint i;
  343. blasint N = ELEMENTS, inc = 1;
  344. double *x = (double*)malloc(ELEMENTS * inc * sizeof(double));
  345. for (i = 0; i < N * inc; i ++) {
  346. x[i] = i + 1000;
  347. }
  348. x[(N - 1) * inc] = 0.0f;
  349. blasint index = BLASFUNC(idamin)(&N, x, &inc);
  350. free(x);
  351. ASSERT_EQUAL(N, index);
  352. }
  353. #ifndef NO_CBLAS
  354. /**
  355. * C API specific test
  356. * Test idamin by comparing it against pre-calculated values
  357. */
  358. CTEST(idamin, c_api_bad_args_N_0){
  359. blasint i;
  360. blasint N = 0, inc = 1;
  361. double x[ELEMENTS];
  362. for (i = 0; i < ELEMENTS * inc; i ++) {
  363. x[i] = 1000 - i;
  364. }
  365. blasint index = cblas_idamin(N, x, inc);
  366. ASSERT_EQUAL(0, index);
  367. }
  368. /**
  369. * C API specific test
  370. * Test idamin by comparing it against pre-calculated values
  371. */
  372. CTEST(idamin, c_api_step_zero){
  373. blasint i;
  374. blasint N = ELEMENTS, inc = 0;
  375. double x[ELEMENTS];
  376. for (i = 0; i < N; i ++) {
  377. x[i] = i + 1000;
  378. }
  379. x[8] = 0.0;
  380. blasint index = cblas_idamin(N, x, inc);
  381. ASSERT_EQUAL(0, index);
  382. }
  383. /**
  384. * C API specific test
  385. * Test idamin by comparing it against pre-calculated values
  386. */
  387. CTEST(idamin, c_api_positive_step_1_N_1){
  388. blasint N = 1, inc = 1;
  389. double x[] = {1.1};
  390. blasint index = cblas_idamin(N, x, inc);
  391. ASSERT_EQUAL(0, index);
  392. }
  393. /**
  394. * C API specific test
  395. * Test idamin by comparing it against pre-calculated values
  396. */
  397. CTEST(idamin, c_api_negative_step_1_N_1){
  398. blasint N = 1, inc = 1;
  399. double x[] = {-1.1};
  400. blasint index = cblas_idamin(N, x, inc);
  401. ASSERT_EQUAL(0, index);
  402. }
  403. /**
  404. * C API specific test
  405. * Test idamin by comparing it against pre-calculated values
  406. */
  407. CTEST(idamin, c_api_positive_step_2_N_1){
  408. blasint N = 1, inc = 2;
  409. double x[] = {1.1, 0.0};
  410. blasint index = cblas_idamin(N, x, inc);
  411. ASSERT_EQUAL(0, index);
  412. }
  413. /**
  414. * C API specific test
  415. * Test idamin by comparing it against pre-calculated values
  416. */
  417. CTEST(idamin, c_api_negative_step_2_N_1){
  418. blasint N = 1, inc = 2;
  419. double x[] = {-1.1, 0.0};
  420. blasint index = cblas_idamin(N, x, inc);
  421. ASSERT_EQUAL(0, index);
  422. }
  423. /**
  424. * C API specific test
  425. * Test idamin by comparing it against pre-calculated values
  426. */
  427. CTEST(idamin, c_api_positive_step_1_N_2){
  428. blasint N = 2, inc = 1;
  429. double x[] = {1.1, 1.0};
  430. blasint index = cblas_idamin(N, x, inc);
  431. ASSERT_EQUAL(1, index);
  432. }
  433. /**
  434. * C API specific test
  435. * Test idamin by comparing it against pre-calculated values
  436. */
  437. CTEST(idamin, c_api_negative_step_1_N_2){
  438. blasint N = 2, inc = 1;
  439. double x[] = {-1.1, 1.0};
  440. blasint index = cblas_idamin(N, x, inc);
  441. ASSERT_EQUAL(1, index);
  442. }
  443. /**
  444. * C API specific test
  445. * Test idamin by comparing it against pre-calculated values
  446. */
  447. CTEST(idamin, c_api_positive_step_2_N_2){
  448. blasint N = 2, inc = 2;
  449. double x[] = {1.1, 0.0, 1.0, 0.0};
  450. blasint index = cblas_idamin(N, x, inc);
  451. ASSERT_EQUAL(1, index);
  452. }
  453. /**
  454. * C API specific test
  455. * Test idamin by comparing it against pre-calculated values
  456. */
  457. CTEST(idamin, c_api_negative_step_2_N_2){
  458. blasint N = 2, inc = 2;
  459. double x[] = {-1.1, 0.0, 1.0, 0.0};
  460. blasint index = cblas_idamin(N, x, inc);
  461. ASSERT_EQUAL(1, index);
  462. }
  463. /**
  464. * C API specific test
  465. * Test idamin by comparing it against pre-calculated values
  466. */
  467. CTEST(idamin, c_api_positive_step_1_N_3){
  468. blasint N = 3, inc = 1;
  469. double x[] = {1.1, 1.0, 2.2};
  470. blasint index = cblas_idamin(N, x, inc);
  471. ASSERT_EQUAL(1, index);
  472. }
  473. /**
  474. * C API specific test
  475. * Test idamin by comparing it against pre-calculated values
  476. */
  477. CTEST(idamin, c_api_negative_step_1_N_3){
  478. blasint N = 3, inc = 1;
  479. double x[] = {-1.1, 1.0, -2.2};
  480. blasint index = cblas_idamin(N, x, inc);
  481. ASSERT_EQUAL(1, index);
  482. }
  483. /**
  484. * C API specific test
  485. * Test idamin by comparing it against pre-calculated values
  486. */
  487. CTEST(idamin, c_api_positive_step_2_N_3){
  488. blasint N = 3, inc = 2;
  489. double x[] = {1.1, 0.0, 1.0, 0.0, 2.2, 0.0};
  490. blasint index = cblas_idamin(N, x, inc);
  491. ASSERT_EQUAL(1, index);
  492. }
  493. /**
  494. * C API specific test
  495. * Test idamin by comparing it against pre-calculated values
  496. */
  497. CTEST(idamin, c_api_negative_step_2_N_3){
  498. blasint N = 3, inc = 2;
  499. double x[] = {-1.1, 0.0, 1.0, 0.0, -2.2, 0.0};
  500. blasint index = cblas_idamin(N, x, inc);
  501. ASSERT_EQUAL(1, index);
  502. }
  503. /**
  504. * C API specific test
  505. * Test idamin by comparing it against pre-calculated values
  506. */
  507. CTEST(idamin, c_api_positive_step_1_N_4){
  508. blasint N = 4, inc = 1;
  509. double x[] = {1.1, 1.0, 2.2, 3.3};
  510. blasint index = cblas_idamin(N, x, inc);
  511. ASSERT_EQUAL(1, index);
  512. }
  513. /**
  514. * C API specific test
  515. * Test idamin by comparing it against pre-calculated values
  516. */
  517. CTEST(idamin, c_api_negative_step_1_N_4){
  518. blasint N = 4, inc = 1;
  519. double x[] = {-1.1, 1.0, -2.2, -3.3};
  520. blasint index = cblas_idamin(N, x, inc);
  521. ASSERT_EQUAL(1, index);
  522. }
  523. /**
  524. * C API specific test
  525. * Test idamin by comparing it against pre-calculated values
  526. */
  527. CTEST(idamin, c_api_positive_step_2_N_4){
  528. blasint N = 4, inc = 2;
  529. double x[] = {1.1, 0.0, 1.0, 0.0, 2.2, 0.0, 3.3, 0.0};
  530. blasint index = cblas_idamin(N, x, inc);
  531. ASSERT_EQUAL(1, index);
  532. }
  533. /**
  534. * C API specific test
  535. * Test idamin by comparing it against pre-calculated values
  536. */
  537. CTEST(idamin, c_api_negative_step_2_N_4){
  538. blasint N = 4, inc = 2;
  539. double x[] = {-1.1, 0.0, 1.0, 0.0, -2.2, 0.0, -3.3, 0.0};
  540. blasint index = cblas_idamin(N, x, inc);
  541. ASSERT_EQUAL(1, index);
  542. }
  543. /**
  544. * C API specific test
  545. * Test idamin by comparing it against pre-calculated values
  546. */
  547. CTEST(idamin, c_api_positive_step_1_N_5){
  548. blasint N = 5, inc = 1;
  549. double x[] = {1.1, 1.0, 2.2, 3.3, 0.0};
  550. blasint index = cblas_idamin(N, x, inc);
  551. ASSERT_EQUAL(4, index);
  552. }
  553. /**
  554. * C API specific test
  555. * Test idamin by comparing it against pre-calculated values
  556. */
  557. CTEST(idamin, c_api_negative_step_1_N_5){
  558. blasint N = 5, inc = 1;
  559. double x[] = {-1.1, 1.0, -2.2, -3.3, 0.0};
  560. blasint index = cblas_idamin(N, x, inc);
  561. ASSERT_EQUAL(4, index);
  562. }
  563. /**
  564. * C API specific test
  565. * Test idamin by comparing it against pre-calculated values
  566. */
  567. CTEST(idamin, c_api_positive_step_2_N_5){
  568. blasint N = 5, inc = 2;
  569. double x[] = {1.1, 0.0, 1.0, 0.0, 2.2, 0.0, 3.3, 0.0, 0.0, 0.0};
  570. blasint index = cblas_idamin(N, x, inc);
  571. ASSERT_EQUAL(4, index);
  572. }
  573. /**
  574. * C API specific test
  575. * Test idamin by comparing it against pre-calculated values
  576. */
  577. CTEST(idamin, c_api_negative_step_2_N_5){
  578. blasint N = 5, inc = 2;
  579. double x[] = {-1.1, 0.0, 1.0, 0.0, -2.2, 0.0, -3.3, 0.0, 0.0, 0.0};
  580. blasint index = cblas_idamin(N, x, inc);
  581. ASSERT_EQUAL(4, index);
  582. }
  583. /**
  584. * C API specific test
  585. * Test idamin by comparing it against pre-calculated values
  586. */
  587. CTEST(idamin, c_api_positive_step_1_N_50){
  588. blasint i;
  589. blasint N = ELEMENTS, inc = 1;
  590. double x[ELEMENTS];
  591. for (i = 0; i < N * inc; i ++) {
  592. x[i] = i + 1000;
  593. }
  594. x[8 * inc] = 0.0;
  595. blasint index = cblas_idamin(N, x, inc);
  596. ASSERT_EQUAL(8, index);
  597. }
  598. /**
  599. * C API specific test
  600. * Test idamin by comparing it against pre-calculated values
  601. */
  602. CTEST(idamin, c_api_negative_step_1_N_50){
  603. blasint i;
  604. blasint N = ELEMENTS, inc = 1;
  605. double x[ELEMENTS];
  606. for (i = 0; i < N * inc; i ++) {
  607. x[i] = - i - 1000;
  608. }
  609. x[8 * inc] = -1.0;
  610. blasint index = cblas_idamin(N, x, inc);
  611. ASSERT_EQUAL(8, index);
  612. }
  613. /**
  614. * C API specific test
  615. * Test idamin by comparing it against pre-calculated values
  616. */
  617. CTEST(idamin, c_api_positive_step_2_N_50){
  618. blasint i;
  619. blasint N = ELEMENTS, inc = INCREMENT;
  620. double x[ELEMENTS * INCREMENT];
  621. for (i = 0; i < N * inc; i ++) {
  622. x[i] = i + 1000;
  623. }
  624. x[8 * inc] = 0.0;
  625. blasint index = cblas_idamin(N, x, inc);
  626. ASSERT_EQUAL(8, index);
  627. }
  628. /**
  629. * C API specific test
  630. * Test idamin by comparing it against pre-calculated values
  631. */
  632. CTEST(idamin, c_api_negative_step_2_N_50){
  633. blasint i;
  634. blasint N = ELEMENTS, inc = INCREMENT;
  635. double x[ELEMENTS * INCREMENT];
  636. for (i = 0; i < N * inc; i ++) {
  637. x[i] = - i - 1000;
  638. }
  639. x[8 * inc] = -1.0;
  640. blasint index = cblas_idamin(N, x, inc);
  641. ASSERT_EQUAL(8, index);
  642. }
  643. /**
  644. * C API specific test
  645. * Test idamin by comparing it against pre-calculated values
  646. */
  647. CTEST(idamin, c_api_min_idx_in_vec_tail){
  648. blasint i;
  649. blasint N = ELEMENTS, inc = INCREMENT;
  650. double x[ELEMENTS * INCREMENT];
  651. for (i = 0; i < N * inc; i ++) {
  652. x[i] = i + 1000;
  653. }
  654. x[(N - 1) * inc] = 0.0;
  655. blasint index = cblas_idamin(N, x, inc);
  656. ASSERT_EQUAL(N - 1, index);
  657. }
  658. /**
  659. * C API specific test
  660. * Test idamin by comparing it against pre-calculated values
  661. */
  662. CTEST(idamin, c_api_min_idx_in_vec_tail_inc_1){
  663. blasint i;
  664. blasint N = ELEMENTS, inc = 1;
  665. double *x = (double*) malloc(ELEMENTS * inc * sizeof(double));
  666. for (i = 0; i < N * inc; i ++) {
  667. x[i] = i + 1000;
  668. }
  669. x[(N - 1) * inc] = 0.0;
  670. blasint index = cblas_idamin(N, x, inc);
  671. free(x);
  672. ASSERT_EQUAL(N - 1, index);
  673. }
  674. #endif
  675. #endif