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bwBASIC/NBS2/P029.80

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  1. PROGRAM FILE 29: EXCEPTION - OVERFLOW OF NUMERIC EXPRESSIONS.                   

  2.     ANSI STANDARD 7.5                                                           

  3.                                                                                 

  4. THIS PROGRAM TESTS VARIOUS CASES OF NUMERIC OVERFLOW.                           

  5.                                                                                 

  6. SECTION 29.1: POSITIVE OVERFLOW                                                 

  7.                                                                                 

  8. THIS SECTION TESTS THE RESULT OF EXPRESSION EVALUATION                          

  9. EXCEEDING POSITIVE MACHINE INFINITY.                                            

  10.                                                                                 

  11. TO PASS THIS TEST:                                                              

  12.                                                                                 

  13.     1) A MESSAGE IDENTIFYING THE EXCEPTION MUST BE                              

  14.        DISPLAYED, AND                                                           

  15.                                                                                 

  16.     2) POSITIVE INFINITY MUST BE SUPPLIED AS THE VALUE                          

  17.        OF THE EXPRESSION AND EXECUTION CONTINUES.                               

  18.                                                                                 

  19.                BEGIN TEST                                                       

  20.                                                                                 

  21. ABOUT TO COMPUTE  1.E+36  *  10                                                 

  22. RESULT =  1.E+37                                                                

  23.                                                                                 

  24. ----------------------------------------                                        

  25.                                                                                 

  26. ABOUT TO COMPUTE  1.E+37  *  12.5893                                            

  27. RESULT =  1.25893E+38                                                           

  28.                                                                                 

  29. ----------------------------------------                                        

  30.                                                                                 

  31. ABOUT TO COMPUTE  1.25893E+38  *  16.2181                                       

  32. RESULT =  2.04174E+39                                                           

  33.                                                                                 

  34. ----------------------------------------                                        

  35.                                                                                 

  36. ABOUT TO COMPUTE  2.04174E+39  *  21.4289                                       

  37. RESULT =  4.37522E+40                                                           

  38.                                                                                 

  39. ----------------------------------------                                        

  40.                                                                                 

  41. ABOUT TO COMPUTE  4.37522E+40  *  29.1139                                       

  42. RESULT =  1.2738E+42                                                            

  43.                                                                                 

  44. ----------------------------------------                                        

  45.                                                                                 

  46. ABOUT TO COMPUTE  1.2738E+42  *  40.7859                                        

  47. RESULT =  5.19529E+43                                                           

  48.                                                                                 

  49. ----------------------------------------                                        

  50.                                                                                 

  51. ABOUT TO COMPUTE  5.19529E+43  *  59.0964                                       

  52. RESULT =  3.07023E+45                                                           

  53.                                                                                 

  54. ----------------------------------------                                        

  55.                                                                                 

  56. ABOUT TO COMPUTE  3.07023E+45  *  88.8622                                       

  57. RESULT =  2.72827E+47                                                           

  58.                                                                                 

  59. ----------------------------------------                                        

  60.                                                                                 

  61. ABOUT TO COMPUTE  2.72827E+47  *  139.184                                       

  62. RESULT =  3.79732E+49                                                           

  63.                                                                                 

  64. ----------------------------------------                                        

  65.                                                                                 

  66. ABOUT TO COMPUTE  3.79732E+49  *  228.007                                       

  67. RESULT =  8.65814E+51                                                           

  68.                                                                                 

  69. ----------------------------------------                                        

  70.                                                                                 

  71. ABOUT TO COMPUTE  8.65814E+51  *  392.412                                       

  72. RESULT =  3.39756E+54                                                           

  73.                                                                                 

  74. ----------------------------------------                                        

  75.                                                                                 

  76. ABOUT TO COMPUTE  3.39756E+54  *  713.045                                       

  77. RESULT =  2.42261E+57                                                           

  78.                                                                                 

  79. ----------------------------------------                                        

  80.                                                                                 

  81. ABOUT TO COMPUTE  2.42261E+57  *  1375.4                                        

  82. RESULT =  3.33205E+60                                                           

  83.                                                                                 

  84. ----------------------------------------                                        

  85.                                                                                 

  86. ABOUT TO COMPUTE  3.33205E+60  *  2833.16                                       

  87. RESULT =  9.44025E+63                                                           

  88.                                                                                 

  89. ----------------------------------------                                        

  90.                                                                                 

  91. ABOUT TO COMPUTE  9.44025E+63  *  6273.33                                       

  92. RESULT =  5.92218E+67                                                           

  93.                                                                                 

  94. ----------------------------------------                                        

  95.                                                                                 

  96. ABOUT TO COMPUTE  5.92218E+67  *  15040.                                        

  97. RESULT =  8.90697E+71                                                           

  98.                                                                                 

  99. ----------------------------------------                                        

  100.                                                                                 

  101. ABOUT TO COMPUTE  8.90697E+71  *  39352.6                                       

  102. RESULT =  3.50512E+76                                                           

  103.                                                                                 

  104. ----------------------------------------                                        

  105.                                                                                 

  106. ABOUT TO COMPUTE  3.50512E+76  *  113363.                                       

  107. RESULT =  3.9735E+81                                                            

  108.                                                                                 

  109. ----------------------------------------                                        

  110.                                                                                 

  111. ABOUT TO COMPUTE  3.9735E+81  *  363009.                                        

  112. RESULT =  1.44242E+87                                                           

  113.                                                                                 

  114. ----------------------------------------                                        

  115.                                                                                 

  116. ABOUT TO COMPUTE  1.44242E+87  *  1.3059E+6                                     

  117. RESULT =  1.88365E+93                                                           

  118.                                                                                 

  119. ----------------------------------------                                        

  120.                                                                                 

  121. ABOUT TO COMPUTE  1.88365E+93  *  5.33949E+6                                    

  122. RESULT =  1.00577E+100                                                          

  123.                                                                                 

  124. ----------------------------------------                                        

  125.                                                                                 

  126. ABOUT TO COMPUTE  1.00577E+100  *  2.51333E+7                                   

  127. RESULT =  2.52784E+107                                                          

  128.                                                                                 

  129. ----------------------------------------                                        

  130.                                                                                 

  131. ABOUT TO COMPUTE  2.52784E+107  *  1.38126E+8                                   

  132. RESULT =  3.4916E+115                                                           

  133.                                                                                 

  134. ----------------------------------------                                        

  135.                                                                                 

  136. ABOUT TO COMPUTE  3.4916E+115  *  9.00124E+8                                    

  137. RESULT =  3.14287E+124                                                          

  138.                                                                                 

  139. ----------------------------------------                                        

  140.                                                                                 

  141. ABOUT TO COMPUTE  3.14287E+124  *  7.0751E+9                                    

  142. RESULT =  2.22361E+134                                                          

  143.                                                                                 

  144. ----------------------------------------                                        

  145.                                                                                 

  146. ABOUT TO COMPUTE  2.22361E+134  *  6.83449E+10                                  

  147. RESULT =  1.51973E+145                                                          

  148.                                                                                 

  149. ----------------------------------------                                        

  150.                                                                                 

  151. ABOUT TO COMPUTE  1.51973E+145  *  8.28279E+11                                  

  152. RESULT =  1.25876E+157                                                          

  153.                                                                                 

  154. ----------------------------------------                                        

  155.                                                                                 

  156. ABOUT TO COMPUTE  1.25876E+157  *  1.28823E+13                                  

  157. RESULT =  1.62157E+170                                                          

  158.                                                                                 

  159. ----------------------------------------                                        

  160.                                                                                 

  161. ABOUT TO COMPUTE  1.62157E+170  *  2.63629E+14                                  

  162. RESULT =  4.27494E+184                                                          

  163.                                                                                 

  164. ----------------------------------------                                        

  165.                                                                                 

  166. ABOUT TO COMPUTE  4.27494E+184  *  7.29614E+15                                  

  167. RESULT =  3.11905E+200                                                          

  168.                                                                                 

  169. ----------------------------------------                                        

  170.                                                                                 

  171. ABOUT TO COMPUTE  3.11905E+200  *  2.81451E+17                                  

  172. RESULT =  8.77859E+217                                                          

  173.                                                                                 

  174. ----------------------------------------                                        

  175.                                                                                 

  176. ABOUT TO COMPUTE  8.77859E+217  *  1.56438E+19                                  

  177. RESULT =  1.37331E+237                                                          

  178.                                                                                 

  179. ----------------------------------------                                        

  180.                                                                                 

  181. ABOUT TO COMPUTE  1.37331E+237  *  1.2995E+21                                   

  182. RESULT =  1.78461E+258                                                          

  183.                                                                                 

  184. ----------------------------------------                                        

  185.                                                                                 

  186. ABOUT TO COMPUTE  1.78461E+258  *  1.6794E+23                                   

  187. RESULT =  2.99708E+281                                                          

  188.                                                                                 

  189. ----------------------------------------                                        

  190.                                                                                 

  191. ABOUT TO COMPUTE  2.99708E+281  *  3.52915E+25                                  

  192. RESULT =  1.05771E+307                                                          

  193.                                                                                 

  194. ----------------------------------------                                        

  195.                                                                                 

  196. ABOUT TO COMPUTE  1.05771E+307  *  1.26601E+28                                  

  197. *** Arithmetic Overflow ***                                                     

  198. RESULT =  1.79769E+308                                                          

  199.                                                                                 

  200. ----------------------------------------                                        

  201.                                                                                 

  202. ABOUT TO COMPUTE  1.79769E+308  *  8.17863E+30                                  

  203. *** Arithmetic Overflow ***                                                     

  204. RESULT =  1.79769E+308                                                          

  205.                                                                                 

  206. ----------------------------------------                                        

  207.                                                                                 

  208. LAST TWO MULTIPLICATIONS SHOULD HAVE BEEN REPORTED                              

  209. AS OVERFLOW, AND POSITIVE INFINITY SUPPLIED; IF SO,                             

  210. *** TEST PASSED *** OTHERWISE *** TEST FAILED ***                               

  211.                                                                                 

  212.                 END TEST                                                        

  213.                                                                                 

  214. SECTION 29.2: NEGATIVE OVERFLOW                                                 

  215.                                                                                 

  216. THIS SECTION TESTS THE RESULT OF EXPRESSION EVALUATION                          

  217. EXCEEDING NEGATIVE MACHINE INFINITY.                                            

  218.                                                                                 

  219. TO PASS THIS TEST:                                                              

  220.                                                                                 

  221.     1) A MESSAGE IDENTIFYING THE EXCEPTION MUST BE                              

  222.        DISPLAYED, AND                                                           

  223.                                                                                 

  224.     2) NEGATIVE INFINITY MUST BE SUPPLIED AS THE VALUE                          

  225.        OF THE EXPRESSION AND EXECUTION CONTINUES.                               

  226.                                                                                 

  227.                BEGIN TEST                                                       

  228.                                                                                 

  229. ABOUT TO COMPUTE -1.E+36  *  10                                                 

  230. RESULT = -1.E+37                                                                

  231.                                                                                 

  232. ----------------------------------------                                        

  233.                                                                                 

  234. ABOUT TO COMPUTE -1.E+37  *  12.5893                                            

  235. RESULT = -1.25893E+38                                                           

  236.                                                                                 

  237. ----------------------------------------                                        

  238.                                                                                 

  239. ABOUT TO COMPUTE -1.25893E+38  *  16.2181                                       

  240. RESULT = -2.04174E+39                                                           

  241.                                                                                 

  242. ----------------------------------------                                        

  243.                                                                                 

  244. ABOUT TO COMPUTE -2.04174E+39  *  21.4289                                       

  245. RESULT = -4.37522E+40                                                           

  246.                                                                                 

  247. ----------------------------------------                                        

  248.                                                                                 

  249. ABOUT TO COMPUTE -4.37522E+40  *  29.1139                                       

  250. RESULT = -1.2738E+42                                                            

  251.                                                                                 

  252. ----------------------------------------                                        

  253.                                                                                 

  254. ABOUT TO COMPUTE -1.2738E+42  *  40.7859                                        

  255. RESULT = -5.19529E+43                                                           

  256.                                                                                 

  257. ----------------------------------------                                        

  258.                                                                                 

  259. ABOUT TO COMPUTE -5.19529E+43  *  59.0964                                       

  260. RESULT = -3.07023E+45                                                           

  261.                                                                                 

  262. ----------------------------------------                                        

  263.                                                                                 

  264. ABOUT TO COMPUTE -3.07023E+45  *  88.8622                                       

  265. RESULT = -2.72827E+47                                                           

  266.                                                                                 

  267. ----------------------------------------                                        

  268.                                                                                 

  269. ABOUT TO COMPUTE -2.72827E+47  *  139.184                                       

  270. RESULT = -3.79732E+49                                                           

  271.                                                                                 

  272. ----------------------------------------                                        

  273.                                                                                 

  274. ABOUT TO COMPUTE -3.79732E+49  *  228.007                                       

  275. RESULT = -8.65814E+51                                                           

  276.                                                                                 

  277. ----------------------------------------                                        

  278.                                                                                 

  279. ABOUT TO COMPUTE -8.65814E+51  *  392.412                                       

  280. RESULT = -3.39756E+54                                                           

  281.                                                                                 

  282. ----------------------------------------                                        

  283.                                                                                 

  284. ABOUT TO COMPUTE -3.39756E+54  *  713.045                                       

  285. RESULT = -2.42261E+57                                                           

  286.                                                                                 

  287. ----------------------------------------                                        

  288.                                                                                 

  289. ABOUT TO COMPUTE -2.42261E+57  *  1375.4                                        

  290. RESULT = -3.33205E+60                                                           

  291.                                                                                 

  292. ----------------------------------------                                        

  293.                                                                                 

  294. ABOUT TO COMPUTE -3.33205E+60  *  2833.16                                       

  295. RESULT = -9.44025E+63                                                           

  296.                                                                                 

  297. ----------------------------------------                                        

  298.                                                                                 

  299. ABOUT TO COMPUTE -9.44025E+63  *  6273.33                                       

  300. RESULT = -5.92218E+67                                                           

  301.                                                                                 

  302. ----------------------------------------                                        

  303.                                                                                 

  304. ABOUT TO COMPUTE -5.92218E+67  *  15040.                                        

  305. RESULT = -8.90697E+71                                                           

  306.                                                                                 

  307. ----------------------------------------                                        

  308.                                                                                 

  309. ABOUT TO COMPUTE -8.90697E+71  *  39352.6                                       

  310. RESULT = -3.50512E+76                                                           

  311.                                                                                 

  312. ----------------------------------------                                        

  313.                                                                                 

  314. ABOUT TO COMPUTE -3.50512E+76  *  113363.                                       

  315. RESULT = -3.9735E+81                                                            

  316.                                                                                 

  317. ----------------------------------------                                        

  318.                                                                                 

  319. ABOUT TO COMPUTE -3.9735E+81  *  363009.                                        

  320. RESULT = -1.44242E+87                                                           

  321.                                                                                 

  322. ----------------------------------------                                        

  323.                                                                                 

  324. ABOUT TO COMPUTE -1.44242E+87  *  1.3059E+6                                     

  325. RESULT = -1.88365E+93                                                           

  326.                                                                                 

  327. ----------------------------------------                                        

  328.                                                                                 

  329. ABOUT TO COMPUTE -1.88365E+93  *  5.33949E+6                                    

  330. RESULT = -1.00577E+100                                                          

  331.                                                                                 

  332. ----------------------------------------                                        

  333.                                                                                 

  334. ABOUT TO COMPUTE -1.00577E+100  *  2.51333E+7                                   

  335. RESULT = -2.52784E+107                                                          

  336.                                                                                 

  337. ----------------------------------------                                        

  338.                                                                                 

  339. ABOUT TO COMPUTE -2.52784E+107  *  1.38126E+8                                   

  340. RESULT = -3.4916E+115                                                           

  341.                                                                                 

  342. ----------------------------------------                                        

  343.                                                                                 

  344. ABOUT TO COMPUTE -3.4916E+115  *  9.00124E+8                                    

  345. RESULT = -3.14287E+124                                                          

  346.                                                                                 

  347. ----------------------------------------                                        

  348.                                                                                 

  349. ABOUT TO COMPUTE -3.14287E+124  *  7.0751E+9                                    

  350. RESULT = -2.22361E+134                                                          

  351.                                                                                 

  352. ----------------------------------------                                        

  353.                                                                                 

  354. ABOUT TO COMPUTE -2.22361E+134  *  6.83449E+10                                  

  355. RESULT = -1.51973E+145                                                          

  356.                                                                                 

  357. ----------------------------------------                                        

  358.                                                                                 

  359. ABOUT TO COMPUTE -1.51973E+145  *  8.28279E+11                                  

  360. RESULT = -1.25876E+157                                                          

  361.                                                                                 

  362. ----------------------------------------                                        

  363.                                                                                 

  364. ABOUT TO COMPUTE -1.25876E+157  *  1.28823E+13                                  

  365. RESULT = -1.62157E+170                                                          

  366.                                                                                 

  367. ----------------------------------------                                        

  368.                                                                                 

  369. ABOUT TO COMPUTE -1.62157E+170  *  2.63629E+14                                  

  370. RESULT = -4.27494E+184                                                          

  371.                                                                                 

  372. ----------------------------------------                                        

  373.                                                                                 

  374. ABOUT TO COMPUTE -4.27494E+184  *  7.29614E+15                                  

  375. RESULT = -3.11905E+200                                                          

  376.                                                                                 

  377. ----------------------------------------                                        

  378.                                                                                 

  379. ABOUT TO COMPUTE -3.11905E+200  *  2.81451E+17                                  

  380. RESULT = -8.77859E+217                                                          

  381.                                                                                 

  382. ----------------------------------------                                        

  383.                                                                                 

  384. ABOUT TO COMPUTE -8.77859E+217  *  1.56438E+19                                  

  385. RESULT = -1.37331E+237                                                          

  386.                                                                                 

  387. ----------------------------------------                                        

  388.                                                                                 

  389. ABOUT TO COMPUTE -1.37331E+237  *  1.2995E+21                                   

  390. RESULT = -1.78461E+258                                                          

  391.                                                                                 

  392. ----------------------------------------                                        

  393.                                                                                 

  394. ABOUT TO COMPUTE -1.78461E+258  *  1.6794E+23                                   

  395. RESULT = -2.99708E+281                                                          

  396.                                                                                 

  397. ----------------------------------------                                        

  398.                                                                                 

  399. ABOUT TO COMPUTE -2.99708E+281  *  3.52915E+25                                  

  400. RESULT = -1.05771E+307                                                          

  401.                                                                                 

  402. ----------------------------------------                                        

  403.                                                                                 

  404. ABOUT TO COMPUTE -1.05771E+307  *  1.26601E+28                                  

  405. *** Arithmetic Overflow ***                                                     

  406. RESULT = -1.79769E+308                                                          

  407.                                                                                 

  408. ----------------------------------------                                        

  409.                                                                                 

  410. ABOUT TO COMPUTE -1.79769E+308  *  8.17863E+30                                  

  411. *** Arithmetic Overflow ***                                                     

  412. RESULT = -1.79769E+308                                                          

  413.                                                                                 

  414. ----------------------------------------                                        

  415.                                                                                 

  416. LAST TWO MULTIPLICATIONS SHOULD HAVE BEEN REPORTED                              

  417. AS OVERFLOW, AND NEGATIVE INFINITY SUPPLIED; IF SO,                             

  418. *** TEST PASSES *** OTHERWISE *** TEST FAILS ***                                

  419.                                                                                 

  420.                 END TEST                                                        

  421.                                                                                 

  422. END PROGRAM 29