home *** CD-ROM | disk | FTP | other *** search
/ NetNews Offline 2 / NetNews Offline Volume 2.iso / news / comp / lang / c++-part2 / 10086 < prev    next >
Mailbox/MIME Entity  |  1996-08-05  |  1.8 KB

open in: MacOS 8.1     |     Win98     |     DOS

browse contents    |     view JSON data     |     view as text


This file was processed as: Mailbox/MIME Entity (archive/mbox).

ConfidenceProgramDetectionMatch TypeSupport
100% dexvert Newsgroup Content (archive/news) magic Supported
100% dexvert Mailbox/MIME Entity (archive/mbox) magic Supported
100% dexvert Internet Message Format (text/imf) magic Supported
1% dexvert Text File (text/txt) fallback Supported
100% file news, ASCII text default
100% checkBytes Printable ASCII default
100% dexmagic PrintFox/Pagefox WEAK default
100% perlTextCheck Likely Text (Perl) default
100% siegfried fmt/950 MIME Email (1.0) default
100% detectItEasy Format: plain text[LF] default (weak)
100% xdgMime message/news default



hex view
+--------+-------------------------+-------------------------+--------+--------+
|00000000| 50 61 74 68 3a 20 65 6c | 72 6f 79 2e 6a 70 6c 2e |Path: el|roy.jpl.|
|00000010| 6e 61 73 61 2e 67 6f 76 | 21 75 73 63 21 75 73 65 |nasa.gov|!usc!use|
|00000020| 6e 65 74 0a 46 72 6f 6d | 3a 20 4b 72 69 61 6e 67 |net.From|: Kriang|
|00000030| 20 4c 65 72 64 73 75 77 | 61 6e 61 6b 69 6a 20 3c | Lerdsuw|anakij <|
|00000040| 6c 65 72 64 73 75 77 61 | 40 73 63 66 2e 75 73 63 |lerdsuwa|@scf.usc|
|00000050| 2e 65 64 75 3e 0a 4e 65 | 77 73 67 72 6f 75 70 73 |.edu>.Ne|wsgroups|
|00000060| 3a 20 63 6f 6d 70 2e 6c | 61 6e 67 2e 63 2b 2b 0a |: comp.l|ang.c++.|
|00000070| 53 75 62 6a 65 63 74 3a | 20 52 65 3a 20 44 79 6e |Subject:| Re: Dyn|
|00000080| 61 6d 69 63 20 61 6c 6c | 6f 63 61 74 69 6f 6e 20 |amic all|ocation |
|00000090| 6f 66 20 32 44 20 41 72 | 72 61 79 20 51 75 65 73 |of 2D Ar|ray Ques|
|000000a0| 74 69 6f 6e 0a 44 61 74 | 65 3a 20 36 20 4d 61 72 |tion.Dat|e: 6 Mar|
|000000b0| 20 31 39 39 36 20 30 33 | 3a 33 37 3a 31 35 20 47 | 1996 03|:37:15 G|
|000000c0| 4d 54 0a 4f 72 67 61 6e | 69 7a 61 74 69 6f 6e 3a |MT.Organ|ization:|
|000000d0| 20 55 6e 69 76 65 72 73 | 69 74 79 20 6f 66 20 53 | Univers|ity of S|
|000000e0| 6f 75 74 68 65 72 6e 20 | 43 61 6c 69 66 6f 72 6e |outhern |Californ|
|000000f0| 69 61 0a 53 65 6e 64 65 | 72 3a 20 6c 65 72 64 73 |ia.Sende|r: lerds|
|00000100| 75 77 61 40 6c 76 6c 2d | 73 75 6e 36 37 33 2e 75 |uwa@lvl-|sun673.u|
|00000110| 73 63 2e 65 64 75 0a 4d | 65 73 73 61 67 65 2d 49 |sc.edu.M|essage-I|
|00000120| 44 3a 20 3c 34 68 6a 31 | 39 62 24 6e 36 6c 40 75 |D: <4hj1|9b$n6l@u|
|00000130| 73 63 2e 65 64 75 3e 0a | 52 65 66 65 72 65 6e 63 |sc.edu>.|Referenc|
|00000140| 65 73 3a 20 3c 34 68 69 | 37 31 38 24 31 39 68 6b |es: <4hi|718$19hk|
|00000150| 40 66 6c 6f 6f 64 2e 77 | 65 65 67 2e 75 69 6f 77 |@flood.w|eeg.uiow|
|00000160| 61 2e 65 64 75 3e 0a 4e | 4e 54 50 2d 50 6f 73 74 |a.edu>.N|NTP-Post|
|00000170| 69 6e 67 2d 48 6f 73 74 | 3a 20 6c 76 6c 2d 73 75 |ing-Host|: lvl-su|
|00000180| 6e 36 37 33 2e 75 73 63 | 2e 65 64 75 0a 4d 69 6d |n673.usc|.edu.Mim|
|00000190| 65 2d 56 65 72 73 69 6f | 6e 3a 20 31 2e 30 0a 43 |e-Versio|n: 1.0.C|
|000001a0| 6f 6e 74 65 6e 74 2d 54 | 79 70 65 3a 20 74 65 78 |ontent-T|ype: tex|
|000001b0| 74 2f 70 6c 61 69 6e 3b | 20 63 68 61 72 73 65 74 |t/plain;| charset|
|000001c0| 3d 75 73 2d 61 73 63 69 | 69 0a 43 6f 6e 74 65 6e |=us-asci|i.Conten|
|000001d0| 74 2d 54 72 61 6e 73 66 | 65 72 2d 45 6e 63 6f 64 |t-Transf|er-Encod|
|000001e0| 69 6e 67 3a 20 37 62 69 | 74 0a 58 2d 4d 61 69 6c |ing: 7bi|t.X-Mail|
|000001f0| 65 72 3a 20 4d 6f 7a 69 | 6c 6c 61 20 31 2e 31 32 |er: Mozi|lla 1.12|
|00000200| 20 28 58 31 31 3b 20 49 | 3b 20 53 75 6e 4f 53 20 | (X11; I|; SunOS |
|00000210| 35 2e 34 20 73 75 6e 34 | 6d 29 0a 54 6f 3a 20 67 |5.4 sun4|m).To: g|
|00000220| 72 65 67 6f 72 79 2d 68 | 65 72 67 65 72 74 40 75 |regory-h|ergert@u|
|00000230| 69 6f 77 61 2e 65 64 75 | 0a 58 2d 55 52 4c 3a 20 |iowa.edu|.X-URL: |
|00000240| 6e 65 77 73 3a 34 68 69 | 37 31 38 24 31 39 68 6b |news:4hi|718$19hk|
|00000250| 40 66 6c 6f 6f 64 2e 77 | 65 65 67 2e 75 69 6f 77 |@flood.w|eeg.uiow|
|00000260| 61 2e 65 64 75 0a 0a 54 | 68 65 72 65 20 69 73 20 |a.edu..T|here is |
|00000270| 61 6e 20 65 72 72 6f 72 | 20 68 65 72 65 20 77 68 |an error| here wh|
|00000280| 69 63 68 20 70 72 65 76 | 65 6e 74 20 74 68 65 20 |ich prev|ent the |
|00000290| 63 6f 64 65 20 66 72 6f | 6d 20 63 6f 6d 70 69 6c |code fro|m compil|
|000002a0| 61 74 69 6f 6e 2e 0a 49 | 74 27 73 20 69 6e 73 69 |ation..I|t's insi|
|000002b0| 64 65 20 67 72 69 64 3a | 3a 67 72 69 64 28 69 6e |de grid:|:grid(in|
|000002c0| 74 20 73 69 7a 65 29 0a | 0a 3e 09 72 65 70 20 3d |t size).|.>.rep =|
|000002d0| 20 6e 65 77 20 5b 73 69 | 7a 65 5d 20 5b 73 69 7a | new [si|ze] [siz|
|000002e0| 65 5d 3b 20 20 2f 2f 63 | 72 65 61 74 65 20 74 68 |e]; //c|reate th|
|000002f0| 65 20 6d 61 74 72 69 78 | 0a 0a 54 68 65 20 63 6f |e matrix|..The co|
|00000300| 6d 70 69 6c 65 72 20 64 | 6f 6e 27 74 20 6b 6e 6f |mpiler d|on't kno|
|00000310| 77 20 77 68 69 63 68 20 | 74 79 70 65 20 6f 66 20 |w which |type of |
|00000320| 76 61 72 69 61 62 6c 65 | 20 69 73 20 74 6f 20 62 |variable| is to b|
|00000330| 65 20 63 72 65 61 74 65 | 64 2e 20 20 59 6f 75 20 |e create|d. You |
|00000340| 68 61 76 65 20 74 6f 0a | 73 70 65 63 69 66 79 20 |have to.|specify |
|00000350| 74 68 65 20 64 61 74 61 | 20 74 79 70 65 2e 20 20 |the data| type. |
|00000360| 20 54 68 65 20 6d 6f 72 | 65 20 63 6f 72 72 65 63 | The mor|e correc|
|00000370| 74 20 6f 6e 65 20 69 73 | 20 72 65 70 20 3d 20 6e |t one is| rep = n|
|00000380| 65 77 20 73 71 75 61 72 | 65 5b 73 69 7a 65 5d 5b |ew squar|e[size][|
|00000390| 73 69 7a 65 5d 2e 0a 0a | 41 6c 73 6f 20 74 68 65 |size]...|Also the|
|000003a0| 72 65 20 69 73 20 61 20 | 6d 69 73 6d 61 74 63 68 |re is a |mismatch|
|000003b0| 20 62 65 74 77 65 65 6e | 20 74 68 65 20 61 72 72 | between| the arr|
|000003c0| 61 79 20 73 69 7a 65 20 | 6f 66 20 27 72 65 70 27 |ay size |of 'rep'|
|000003d0| 20 28 64 65 66 69 6e 65 | 64 20 61 73 20 20 20 73 | (define|d as s|
|000003e0| 71 75 61 72 65 2a 0a 72 | 65 70 20 5b 53 69 7a 65 |quare*.r|ep [Size|
|000003f0| 6f 66 47 72 69 64 5d 5b | 53 69 7a 65 6f 66 47 72 |ofGrid][|SizeofGr|
|00000400| 69 64 5d 3b 20 29 20 20 | 61 6e 64 20 74 68 65 20 |id]; ) |and the |
|00000410| 61 72 72 61 79 20 72 65 | 74 75 72 6e 65 64 20 62 |array re|turned b|
|00000420| 79 20 27 6e 65 77 27 2e | 20 20 41 73 20 66 61 72 |y 'new'.| As far|
|00000430| 20 61 73 20 49 0a 6b 6e | 6f 77 2c 20 6f 6e 6c 79 | as I.kn|ow, only|
|00000440| 20 74 68 65 20 4c 41 53 | 54 20 61 72 72 61 79 20 | the LAS|T array |
|00000450| 69 6e 64 65 78 20 63 61 | 6e 20 62 65 20 6d 61 64 |index ca|n be mad|
|00000460| 65 20 64 69 66 66 65 72 | 65 6e 74 2c 20 20 69 2e |e differ|ent, i.|
|00000470| 65 2e 2c 20 61 73 73 69 | 67 6e 69 6e 67 20 61 72 |e., assi|gning ar|
|00000480| 72 61 79 0a 74 79 70 65 | 20 5b 53 69 7a 65 6f 66 |ray.type| [Sizeof|
|00000490| 47 72 69 64 5d 5b 73 69 | 7a 65 5d 20 74 6f 20 5b |Grid][si|ze] to [|
|000004a0| 53 69 7a 65 6f 66 47 72 | 69 64 5d 5b 53 69 7a 65 |SizeofGr|id][Size|
|000004b0| 6f 66 47 72 69 64 5d 20 | 69 73 20 4f 4b 20 62 75 |ofGrid] |is OK bu|
|000004c0| 74 20 6e 6f 74 20 74 68 | 65 20 63 61 73 65 0a 66 |t not th|e case.f|
|000004d0| 6f 75 6e 64 20 69 6e 20 | 79 6f 75 72 20 63 6f 64 |ound in |your cod|
|000004e0| 65 2e 0a 0a 49 20 74 68 | 69 6e 6b 20 74 68 65 20 |e...I th|ink the |
|000004f0| 62 65 74 74 65 72 20 77 | 61 79 20 74 6f 20 64 6f |better w|ay to do|
|00000500| 20 74 68 69 73 20 69 73 | 20 74 6f 20 64 65 66 69 | this is| to defi|
|00000510| 6e 65 20 27 72 65 70 27 | 20 61 73 20 61 20 31 2d |ne 'rep'| as a 1-|
|00000520| 44 20 61 72 72 61 79 20 | 69 6e 73 74 65 61 64 20 |D array |instead |
|00000530| 6f 66 0a 32 2d 44 2e 20 | 20 48 65 72 65 27 73 20 |of.2-D. | Here's |
|00000540| 77 68 61 74 20 74 68 65 | 20 6d 6f 64 69 66 69 65 |what the| modifie|
|00000550| 64 20 63 6f 64 65 20 6c | 6f 6f 6b 20 6c 69 6b 65 |d code l|ook like|
|00000560| 3a 0a 0a 49 6e 73 69 64 | 65 20 63 6c 61 73 73 20 |:..Insid|e class |
|00000570| 64 65 66 69 6e 69 74 69 | 6f 6e 20 6f 66 20 63 6c |definiti|on of cl|
|00000580| 61 73 73 20 27 67 72 69 | 64 27 3a 0a 09 72 65 70 |ass 'gri|d':..rep|
|00000590| 6c 61 63 65 20 20 20 20 | 73 71 75 61 72 65 2a 20 |lace |square* |
|000005a0| 72 65 70 20 5b 53 69 7a | 65 6f 66 47 72 69 64 5d |rep [Siz|eofGrid]|
|000005b0| 5b 53 69 7a 65 6f 66 47 | 72 69 64 5d 3b 0a 09 77 |[SizeofG|rid];..w|
|000005c0| 69 74 68 20 20 20 20 20 | 20 20 73 71 75 61 72 65 |ith | square|
|000005d0| 2a 20 72 65 70 20 5b 5d | 3b 0a 28 54 68 65 20 73 |* rep []|;.(The s|
|000005e0| 69 7a 65 20 6f 66 20 61 | 72 72 61 79 20 69 73 20 |ize of a|rray is |
|000005f0| 6e 6f 74 20 73 70 65 63 | 69 66 69 65 64 20 73 69 |not spec|ified si|
|00000600| 6e 63 65 2c 20 61 73 20 | 65 78 70 6c 61 69 6e 65 |nce, as |explaine|
|00000610| 64 20 61 62 6f 76 65 2c | 20 77 65 20 63 61 6e 20 |d above,| we can |
|00000620| 61 6c 77 61 79 73 0a 61 | 73 73 69 67 6e 20 61 72 |always.a|ssign ar|
|00000630| 72 61 79 20 74 79 70 65 | 20 5b 35 5d 20 6f 72 20 |ray type| [5] or |
|00000640| 5b 31 30 30 5d 20 6f 72 | 20 2e 2e 2e 20 20 74 6f |[100] or| ... to|
|00000650| 20 74 68 65 20 27 72 65 | 70 27 20 76 61 72 69 61 | the 're|p' varia|
|00000660| 62 6c 65 2e 29 0a 0a 49 | 6e 73 69 64 65 20 74 68 |ble.)..I|nside th|
|00000670| 65 20 63 6f 6e 73 74 72 | 75 63 74 6f 72 20 27 67 |e constr|uctor 'g|
|00000680| 72 69 64 3a 3a 67 72 69 | 64 20 28 69 6e 74 20 73 |rid::gri|d (int s|
|00000690| 69 7a 65 29 27 3a 0a 09 | 72 65 70 6c 61 63 65 20 |ize)':..|replace |
|000006a0| 20 20 20 72 65 70 20 3d | 20 6e 65 77 20 5b 73 69 | rep =| new [si|
|000006b0| 7a 65 5d 20 5b 73 69 7a | 65 5d 3b 0a 20 20 20 20 |ze] [siz|e];. |
|000006c0| 20 20 20 20 77 69 74 68 | 20 20 20 20 20 20 20 72 | with| r|
|000006d0| 65 70 20 3d 20 6e 65 77 | 20 73 71 75 61 72 65 5b |ep = new| square[|
|000006e0| 73 69 7a 65 2a 73 69 7a | 65 5d 3b 0a 0a 4e 6f 77 |size*siz|e];..Now|
|000006f0| 2c 20 77 65 20 68 61 76 | 65 20 74 6f 20 61 63 63 |, we hav|e to acc|
|00000700| 65 73 73 20 74 68 65 20 | 61 72 72 61 79 20 75 73 |ess the |array us|
|00000710| 69 6e 67 20 20 20 27 72 | 65 70 5b 61 2a 53 69 7a |ing 'r|ep[a*Siz|
|00000720| 65 6f 66 47 72 69 64 2b | 62 5d 27 20 69 6e 73 74 |eofGrid+|b]' inst|
|00000730| 65 61 64 20 6f 66 0a 27 | 72 65 70 5b 61 5d 5b 62 |ead of.'|rep[a][b|
|00000740| 5d 27 2e 0a 0a 4b 72 69 | 61 6e 67 0a 0a |]'...Kri|ang.. |
+--------+-------------------------+-------------------------+--------+--------+