tw11392.pp 15 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686
  1. uses
  2. Math;
  3. const
  4. p00 = 0.0;
  5. p04 = 0.4;
  6. p05 = 0.5;
  7. p06 = 0.6;
  8. p10 = 1.0;
  9. p14 = 1.4;
  10. p15 = 1.5;
  11. p16 = 1.6;
  12. p20 = 2.0;
  13. p24 = 2.4;
  14. p25 = 2.5;
  15. p26 = 2.6;
  16. p80 = 9999999999998.0;
  17. p84 = 9999999999998.4;
  18. p85 = 9999999999998.5;
  19. p86 = 9999999999998.6;
  20. p90 = 9999999999999.0;
  21. p94 = 9999999999999.4;
  22. p95 = 9999999999999.5;
  23. p96 = 9999999999999.6;
  24. n00 = -0.0;
  25. n04 = -0.4;
  26. n05 = -0.5;
  27. n06 = -0.6;
  28. n10 = -1.0;
  29. n14 = -1.4;
  30. n15 = -1.5;
  31. n16 = -1.6;
  32. n20 = -2.0;
  33. n24 = -2.4;
  34. n25 = -2.5;
  35. n26 = -2.6;
  36. n80 = -9999999999998.0;
  37. n84 = -9999999999998.4;
  38. n85 = -9999999999998.5;
  39. n86 = -9999999999998.6;
  40. n90 = -9999999999999.0;
  41. n94 = -9999999999999.4;
  42. n95 = -9999999999999.5;
  43. n96 = -9999999999999.6;
  44. rp00 = round(0.0);
  45. rp04 = round(0.4);
  46. rp05 = round(0.5);
  47. rp06 = round(0.6);
  48. rp10 = round(1.0);
  49. rp14 = round(1.4);
  50. rp15 = round(1.5);
  51. rp16 = round(1.6);
  52. rp20 = round(2.0);
  53. rp24 = round(2.4);
  54. rp25 = round(2.5);
  55. rp26 = round(2.6);
  56. rp80 = round(9999999999998.0);
  57. rp84 = round(9999999999998.4);
  58. rp85 = round(9999999999998.5);
  59. rp86 = round(9999999999998.6);
  60. rp90 = round(9999999999999.0);
  61. rp94 = round(9999999999999.4);
  62. rp95 = round(9999999999999.5);
  63. rp96 = round(9999999999999.6);
  64. rn00 = round(-0.0);
  65. rn04 = round(-0.4);
  66. rn05 = round(-0.5);
  67. rn06 = round(-0.6);
  68. rn10 = round(-1.0);
  69. rn14 = round(-1.4);
  70. rn15 = round(-1.5);
  71. rn16 = round(-1.6);
  72. rn20 = round(-2.0);
  73. rn24 = round(-2.4);
  74. rn25 = round(-2.5);
  75. rn26 = round(-2.6);
  76. rn80 = round(-9999999999998.0);
  77. rn84 = round(-9999999999998.4);
  78. rn85 = round(-9999999999998.5);
  79. rn86 = round(-9999999999998.6);
  80. rn90 = round(-9999999999999.0);
  81. rn94 = round(-9999999999999.4);
  82. rn95 = round(-9999999999999.5);
  83. rn96 = round(-9999999999999.6);
  84. procedure check(e: extended; res,want: int64);
  85. begin
  86. if (res<>want) then
  87. begin
  88. writeln(' *** Error for round(',e:0,'): got ',res,' expected ',want);
  89. halt(1);
  90. end;
  91. end;
  92. procedure testconstrndnearest;
  93. begin
  94. check(p00,rp00,0);
  95. check(p04,rp04,0);
  96. check(p05,rp05,0);
  97. check(p06,rp06,1);
  98. check(p10,rp10,1);
  99. check(p14,rp14,1);
  100. check(p15,rp15,2);
  101. check(p16,rp16,2);
  102. check(p20,rp20,2);
  103. check(p24,rp24,2);
  104. check(p25,rp25,2);
  105. check(p26,rp26,3);
  106. check(p80,rp80,9999999999998);
  107. check(p84,rp84,9999999999998);
  108. check(p85,rp85,9999999999998);
  109. check(p86,rp86,9999999999999);
  110. check(p90,rp90,9999999999999);
  111. check(p94,rp94,9999999999999);
  112. check(p95,rp95,10000000000000);
  113. check(p96,rp96,10000000000000);
  114. check(n00,rn00,0);
  115. check(n04,rn04,0);
  116. check(n05,rn05,0);
  117. check(n06,rn06,-1);
  118. check(n10,rn10,-1);
  119. check(n14,rn14,-1);
  120. check(n15,rn15,-2);
  121. check(n16,rn16,-2);
  122. check(n20,rn20,-2);
  123. check(n24,rn24,-2);
  124. check(n25,rn25,-2);
  125. check(n26,rn26,-3);
  126. check(n80,rn80,-9999999999998);
  127. check(n84,rn84,-9999999999998);
  128. check(n85,rn85,-9999999999998);
  129. check(n86,rn86,-9999999999999);
  130. check(n90,rn90,-9999999999999);
  131. check(n94,rn94,-9999999999999);
  132. check(n95,rn95,-10000000000000);
  133. check(n96,rn96,-10000000000000);
  134. check(p00,round(p00),0);
  135. check(p04,round(p04),0);
  136. check(p05,round(p05),0);
  137. check(p06,round(p06),1);
  138. check(p10,round(p10),1);
  139. check(p14,round(p14),1);
  140. check(p15,round(p15),2);
  141. check(p16,round(p16),2);
  142. check(p20,round(p20),2);
  143. check(p24,round(p24),2);
  144. check(p25,round(p25),2);
  145. check(p26,round(p26),3);
  146. check(p80,round(p80),9999999999998);
  147. check(p84,round(p84),9999999999998);
  148. check(p85,round(p85),9999999999998);
  149. check(p86,round(p86),9999999999999);
  150. check(p90,round(p90),9999999999999);
  151. check(p94,round(p94),9999999999999);
  152. check(p95,round(p95),10000000000000);
  153. check(p96,round(p96),10000000000000);
  154. check(n00,round(n00),0);
  155. check(n04,round(n04),0);
  156. check(n05,round(n05),0);
  157. check(n06,round(n06),-1);
  158. check(n10,round(n10),-1);
  159. check(n14,round(n14),-1);
  160. check(n15,round(n15),-2);
  161. check(n16,round(n16),-2);
  162. check(n20,round(n20),-2);
  163. check(n24,round(n24),-2);
  164. check(n25,round(n25),-2);
  165. check(n26,round(n26),-3);
  166. check(n80,round(n80),-9999999999998);
  167. check(n84,round(n84),-9999999999998);
  168. check(n85,round(n85),-9999999999998);
  169. check(n86,round(n86),-9999999999999);
  170. check(n90,round(n90),-9999999999999);
  171. check(n94,round(n94),-9999999999999);
  172. check(n95,round(n95),-10000000000000);
  173. check(n96,round(n96),-10000000000000);
  174. end;
  175. procedure testvarrndnearest;
  176. var
  177. e: extended;
  178. begin
  179. e:=p00;
  180. check(e,round(e),0);
  181. e:=p04;
  182. check(e,round(e),0);
  183. e:=p05;
  184. check(e,round(e),0);
  185. e:=p06;
  186. check(e,round(e),1);
  187. e:=p10;
  188. check(e,round(e),1);
  189. e:=p14;
  190. check(e,round(e),1);
  191. e:=p15;
  192. check(e,round(e),2);
  193. e:=p16;
  194. check(e,round(e),2);
  195. e:=p20;
  196. check(e,round(e),2);
  197. e:=p24;
  198. check(e,round(e),2);
  199. e:=p25;
  200. check(e,round(e),2);
  201. e:=p26;
  202. check(e,round(e),3);
  203. e:=p80;
  204. check(e,round(e),9999999999998);
  205. e:=p84;
  206. check(e,round(e),9999999999998);
  207. e:=p85;
  208. check(e,round(e),9999999999998);
  209. e:=p86;
  210. check(e,round(e),9999999999999);
  211. e:=p90;
  212. check(e,round(e),9999999999999);
  213. e:=p94;
  214. check(e,round(e),9999999999999);
  215. e:=p95;
  216. check(e,round(e),10000000000000);
  217. e:=p96;
  218. check(e,round(e),10000000000000);
  219. e:=n00;
  220. check(e,round(e),0);
  221. e:=n04;
  222. check(e,round(e),0);
  223. e:=n05;
  224. check(e,round(e),0);
  225. e:=n06;
  226. check(e,round(e),-1);
  227. e:=n10;
  228. check(e,round(e),-1);
  229. e:=n14;
  230. check(e,round(e),-1);
  231. e:=n15;
  232. check(e,round(e),-2);
  233. e:=n16;
  234. check(e,round(e),-2);
  235. e:=n20;
  236. check(e,round(e),-2);
  237. e:=n24;
  238. check(e,round(e),-2);
  239. e:=n25;
  240. check(e,round(e),-2);
  241. e:=n26;
  242. check(e,round(e),-3);
  243. e:=n80;
  244. check(e,round(e),-9999999999998);
  245. e:=n84;
  246. check(e,round(e),-9999999999998);
  247. e:=n85;
  248. check(e,round(e),-9999999999998);
  249. e:=n86;
  250. check(e,round(e),-9999999999999);
  251. e:=n90;
  252. check(e,round(e),-9999999999999);
  253. e:=n94;
  254. check(e,round(e),-9999999999999);
  255. e:=n95;
  256. check(e,round(e),-10000000000000);
  257. e:=n96;
  258. check(e,round(e),-10000000000000);
  259. end;
  260. procedure testconstrnddown;
  261. begin
  262. check(p00,round(p00),0);
  263. check(p04,round(p04),0);
  264. check(p05,round(p05),0);
  265. check(p06,round(p06),0);
  266. check(p10,round(p10),1);
  267. check(p14,round(p14),1);
  268. check(p15,round(p15),1);
  269. check(p16,round(p16),1);
  270. check(p20,round(p20),2);
  271. check(p24,round(p24),2);
  272. check(p25,round(p25),2);
  273. check(p26,round(p26),2);
  274. check(p80,round(p80),9999999999998);
  275. check(p84,round(p84),9999999999998);
  276. check(p85,round(p85),9999999999998);
  277. check(p86,round(p86),9999999999998);
  278. check(p90,round(p90),9999999999999);
  279. check(p94,round(p94),9999999999999);
  280. check(p95,round(p95),9999999999999);
  281. check(p96,round(p96),9999999999999);
  282. check(n00,round(n00),0);
  283. check(n04,round(n04),-1);
  284. check(n05,round(n05),-1);
  285. check(n06,round(n06),-1);
  286. check(n10,round(n10),-1);
  287. check(n14,round(n14),-2);
  288. check(n15,round(n15),-2);
  289. check(n16,round(n16),-2);
  290. check(n20,round(n20),-2);
  291. check(n24,round(n24),-3);
  292. check(n25,round(n25),-3);
  293. check(n26,round(n26),-3);
  294. check(n80,round(n80),-9999999999998);
  295. check(n84,round(n84),-9999999999999);
  296. check(n85,round(n85),-9999999999999);
  297. check(n86,round(n86),-9999999999999);
  298. check(n90,round(n90),-9999999999999);
  299. check(n94,round(n94),-10000000000000);
  300. check(n95,round(n95),-10000000000000);
  301. check(n96,round(n96),-10000000000000);
  302. end;
  303. procedure testvarrnddown;
  304. var
  305. e: extended;
  306. begin
  307. e:=p00;
  308. check(e,round(e),0);
  309. e:=p04;
  310. check(e,round(e),0);
  311. e:=p05;
  312. check(e,round(e),0);
  313. e:=p06;
  314. check(e,round(e),0);
  315. e:=p10;
  316. check(e,round(e),1);
  317. e:=p14;
  318. check(e,round(e),1);
  319. e:=p15;
  320. check(e,round(e),1);
  321. e:=p16;
  322. check(e,round(e),1);
  323. e:=p20;
  324. check(e,round(e),2);
  325. e:=p24;
  326. check(e,round(e),2);
  327. e:=p25;
  328. check(e,round(e),2);
  329. e:=p26;
  330. check(e,round(e),2);
  331. e:=p80;
  332. check(e,round(e),9999999999998);
  333. e:=p84;
  334. check(e,round(e),9999999999998);
  335. e:=p85;
  336. check(e,round(e),9999999999998);
  337. e:=p86;
  338. check(e,round(e),9999999999998);
  339. e:=p90;
  340. check(e,round(e),9999999999999);
  341. e:=p94;
  342. check(e,round(e),9999999999999);
  343. e:=p95;
  344. check(e,round(e),9999999999999);
  345. e:=p96;
  346. check(e,round(e),9999999999999);
  347. e:=n00;
  348. check(e,round(e),0);
  349. e:=n04;
  350. check(e,round(e),-1);
  351. e:=n05;
  352. check(e,round(e),-1);
  353. e:=n06;
  354. check(e,round(e),-1);
  355. e:=n10;
  356. check(e,round(e),-1);
  357. e:=n14;
  358. check(e,round(e),-2);
  359. e:=n15;
  360. check(e,round(e),-2);
  361. e:=n16;
  362. check(e,round(e),-2);
  363. e:=n20;
  364. check(e,round(e),-2);
  365. e:=n24;
  366. check(e,round(e),-3);
  367. e:=n25;
  368. check(e,round(e),-3);
  369. e:=n26;
  370. check(e,round(e),-3);
  371. e:=n80;
  372. check(e,round(e),-9999999999998);
  373. e:=n84;
  374. check(e,round(e),-9999999999999);
  375. e:=n85;
  376. check(e,round(e),-9999999999999);
  377. e:=n86;
  378. check(e,round(e),-9999999999999);
  379. e:=n90;
  380. check(e,round(e),-9999999999999);
  381. e:=n94;
  382. check(e,round(e),-10000000000000);
  383. e:=n95;
  384. check(e,round(e),-10000000000000);
  385. e:=n96;
  386. check(e,round(e),-10000000000000);
  387. end;
  388. procedure testconstrndup;
  389. begin
  390. check(p00,round(p00),0);
  391. check(p04,round(p04),1);
  392. check(p05,round(p05),1);
  393. check(p06,round(p06),1);
  394. check(p10,round(p10),1);
  395. check(p14,round(p14),2);
  396. check(p15,round(p15),2);
  397. check(p16,round(p16),2);
  398. check(p20,round(p20),2);
  399. check(p24,round(p24),3);
  400. check(p25,round(p25),3);
  401. check(p26,round(p26),3);
  402. check(p80,round(p80),9999999999998);
  403. check(p84,round(p84),9999999999999);
  404. check(p85,round(p85),9999999999999);
  405. check(p86,round(p86),9999999999999);
  406. check(p90,round(p90),9999999999999);
  407. check(p94,round(p94),10000000000000);
  408. check(p95,round(p95),10000000000000);
  409. check(p96,round(p96),10000000000000);
  410. check(n00,round(n00),0);
  411. check(n04,round(n04),0);
  412. check(n05,round(n05),0);
  413. check(n06,round(n06),0);
  414. check(n10,round(n10),-1);
  415. check(n14,round(n14),-1);
  416. check(n15,round(n15),-1);
  417. check(n16,round(n16),-1);
  418. check(n20,round(n20),-2);
  419. check(n24,round(n24),-2);
  420. check(n25,round(n25),-2);
  421. check(n26,round(n26),-2);
  422. check(n80,round(n80),-9999999999998);
  423. check(n84,round(n84),-9999999999998);
  424. check(n85,round(n85),-9999999999998);
  425. check(n86,round(n86),-9999999999998);
  426. check(n90,round(n90),-9999999999999);
  427. check(n94,round(n94),-9999999999999);
  428. check(n95,round(n95),-9999999999999);
  429. check(n96,round(n96),-9999999999999);
  430. end;
  431. procedure testvarrndup;
  432. var
  433. e: extended;
  434. begin
  435. e:=p00;
  436. check(e,round(e),0);
  437. e:=p04;
  438. check(e,round(e),1);
  439. e:=p05;
  440. check(e,round(e),1);
  441. e:=p06;
  442. check(e,round(e),1);
  443. e:=p10;
  444. check(e,round(e),1);
  445. e:=p14;
  446. check(e,round(e),2);
  447. e:=p15;
  448. check(e,round(e),2);
  449. e:=p16;
  450. check(e,round(e),2);
  451. e:=p20;
  452. check(e,round(e),2);
  453. e:=p24;
  454. check(e,round(e),3);
  455. e:=p25;
  456. check(e,round(e),3);
  457. e:=p26;
  458. check(e,round(e),3);
  459. e:=p80;
  460. check(e,round(e),9999999999998);
  461. e:=p84;
  462. check(e,round(e),9999999999999);
  463. e:=p85;
  464. check(e,round(e),9999999999999);
  465. e:=p86;
  466. check(e,round(e),9999999999999);
  467. e:=p90;
  468. check(e,round(e),9999999999999);
  469. e:=p94;
  470. check(e,round(e),10000000000000);
  471. e:=p95;
  472. check(e,round(e),10000000000000);
  473. e:=p96;
  474. check(e,round(e),10000000000000);
  475. e:=n00;
  476. check(e,round(e),0);
  477. e:=n04;
  478. check(e,round(e),0);
  479. e:=n05;
  480. check(e,round(e),0);
  481. e:=n06;
  482. check(e,round(e),0);
  483. e:=n10;
  484. check(e,round(e),-1);
  485. e:=n14;
  486. check(e,round(e),-1);
  487. e:=n15;
  488. check(e,round(e),-1);
  489. e:=n16;
  490. check(e,round(e),-1);
  491. e:=n20;
  492. check(e,round(e),-2);
  493. e:=n24;
  494. check(e,round(e),-2);
  495. e:=n25;
  496. check(e,round(e),-2);
  497. e:=n26;
  498. check(e,round(e),-2);
  499. e:=n80;
  500. check(e,round(e),-9999999999998);
  501. e:=n84;
  502. check(e,round(e),-9999999999998);
  503. e:=n85;
  504. check(e,round(e),-9999999999998);
  505. e:=n86;
  506. check(e,round(e),-9999999999998);
  507. e:=n90;
  508. check(e,round(e),-9999999999999);
  509. e:=n94;
  510. check(e,round(e),-9999999999999);
  511. e:=n95;
  512. check(e,round(e),-9999999999999);
  513. e:=n96;
  514. check(e,round(e),-9999999999999);
  515. end;
  516. procedure testconstrndtrunc;
  517. begin
  518. check(p00,round(p00),0);
  519. check(p04,round(p04),0);
  520. check(p05,round(p05),0);
  521. check(p06,round(p06),0);
  522. check(p10,round(p10),1);
  523. check(p14,round(p14),1);
  524. check(p15,round(p15),1);
  525. check(p16,round(p16),1);
  526. check(p20,round(p20),2);
  527. check(p24,round(p24),2);
  528. check(p25,round(p25),2);
  529. check(p26,round(p26),2);
  530. check(p80,round(p80),9999999999998);
  531. check(p84,round(p84),9999999999998);
  532. check(p85,round(p85),9999999999998);
  533. check(p86,round(p86),9999999999998);
  534. check(p90,round(p90),9999999999999);
  535. check(p94,round(p94),9999999999999);
  536. check(p95,round(p95),9999999999999);
  537. check(p96,round(p96),9999999999999);
  538. check(n00,round(n00),0);
  539. check(n04,round(n04),0);
  540. check(n05,round(n05),0);
  541. check(n06,round(n06),0);
  542. check(n10,round(n10),-1);
  543. check(n14,round(n14),-1);
  544. check(n15,round(n15),-1);
  545. check(n16,round(n16),-1);
  546. check(n20,round(n20),-2);
  547. check(n24,round(n24),-2);
  548. check(n25,round(n25),-2);
  549. check(n26,round(n26),-2);
  550. check(n80,round(n80),-9999999999998);
  551. check(n84,round(n84),-9999999999998);
  552. check(n85,round(n85),-9999999999998);
  553. check(n86,round(n86),-9999999999998);
  554. check(n90,round(n90),-9999999999999);
  555. check(n94,round(n94),-9999999999999);
  556. check(n95,round(n95),-9999999999999);
  557. check(n96,round(n96),-9999999999999);
  558. end;
  559. procedure testvarrndtrunc;
  560. var
  561. e: extended;
  562. begin
  563. e:=p00;
  564. check(e,round(e),0);
  565. e:=p04;
  566. check(e,round(e),0);
  567. e:=p05;
  568. check(e,round(e),0);
  569. e:=p06;
  570. check(e,round(e),0);
  571. e:=p10;
  572. check(e,round(e),1);
  573. e:=p14;
  574. check(e,round(e),1);
  575. e:=p15;
  576. check(e,round(e),1);
  577. e:=p16;
  578. check(e,round(e),1);
  579. e:=p20;
  580. check(e,round(e),2);
  581. e:=p24;
  582. check(e,round(e),2);
  583. e:=p25;
  584. check(e,round(e),2);
  585. e:=p26;
  586. check(e,round(e),2);
  587. e:=p80;
  588. check(e,round(e),9999999999998);
  589. e:=p84;
  590. check(e,round(e),9999999999998);
  591. e:=p85;
  592. check(e,round(e),9999999999998);
  593. e:=p86;
  594. check(e,round(e),9999999999998);
  595. e:=p90;
  596. check(e,round(e),9999999999999);
  597. e:=p94;
  598. check(e,round(e),9999999999999);
  599. e:=p95;
  600. check(e,round(e),9999999999999);
  601. e:=p96;
  602. check(e,round(e),9999999999999);
  603. e:=n00;
  604. check(e,round(e),0);
  605. e:=n04;
  606. check(e,round(e),0);
  607. e:=n05;
  608. check(e,round(e),0);
  609. e:=n06;
  610. check(e,round(e),0);
  611. e:=n10;
  612. check(e,round(e),-1);
  613. e:=n14;
  614. check(e,round(e),-1);
  615. e:=n15;
  616. check(e,round(e),-1);
  617. e:=n16;
  618. check(e,round(e),-1);
  619. e:=n20;
  620. check(e,round(e),-2);
  621. e:=n24;
  622. check(e,round(e),-2);
  623. e:=n25;
  624. check(e,round(e),-2);
  625. e:=n26;
  626. check(e,round(e),-2);
  627. e:=n80;
  628. check(e,round(e),-9999999999998);
  629. e:=n84;
  630. check(e,round(e),-9999999999998);
  631. e:=n85;
  632. check(e,round(e),-9999999999998);
  633. e:=n86;
  634. check(e,round(e),-9999999999998);
  635. e:=n90;
  636. check(e,round(e),-9999999999999);
  637. e:=n94;
  638. check(e,round(e),-9999999999999);
  639. e:=n95;
  640. check(e,round(e),-9999999999999);
  641. e:=n96;
  642. check(e,round(e),-9999999999999);
  643. end;
  644. begin
  645. writeln('Testing default rounding mode');
  646. testconstrndnearest;
  647. testvarrndnearest;
  648. SetRoundMode(rmNearest);
  649. writeln('Testing round to nearest/even (should be same as default)');
  650. testconstrndnearest;
  651. testvarrndnearest;
  652. SetRoundMode(rmUp);
  653. writeln('Testing round up');
  654. testconstrndnearest;
  655. testvarrndup;
  656. SetRoundMode(rmDown);
  657. writeln('Testing round down');
  658. testconstrndnearest;
  659. testvarrnddown;
  660. SetRoundMode(rmTruncate);
  661. writeln('Testing round to zero (truncate)');
  662. testconstrndnearest;
  663. testvarrndtrunc;
  664. end.