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MacOS 8.1
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Win98
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DOS
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This file was processed as: Mailbox/MIME Entity
(archive/mbox).
| Confidence | Program | Detection | Match Type | Support
|
|---|
| 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 6e 65 | 77 73 2e 69 73 63 6d 2e |Path: ne|ws.iscm.|
|00000010| 75 6c 73 74 2e 61 63 2e | 75 6b 21 6e 65 77 73 0a |ulst.ac.|uk!news.|
|00000020| 46 72 6f 6d 3a 20 22 4a | 47 2e 43 61 6d 70 62 65 |From: "J|G.Campbe|
|00000030| 6c 6c 22 20 3c 6a 67 2e | 63 61 6d 70 62 65 6c 6c |ll" <jg.|campbell|
|00000040| 40 75 6c 73 74 2e 61 63 | 2e 75 6b 3e 0a 4e 65 77 |@ulst.ac|.uk>.New|
|00000050| 73 67 72 6f 75 70 73 3a | 20 63 6f 6d 70 2e 6c 61 |sgroups:| comp.la|
|00000060| 6e 67 2e 63 0a 53 75 62 | 6a 65 63 74 3a 20 52 65 |ng.c.Sub|ject: Re|
|00000070| 3a 20 49 45 45 45 20 46 | 6f 72 6d 61 74 0a 44 61 |: IEEE F|ormat.Da|
|00000080| 74 65 3a 20 32 33 20 4a | 61 6e 20 31 39 39 36 20 |te: 23 J|an 1996 |
|00000090| 32 30 3a 33 35 3a 30 35 | 20 47 4d 54 0a 4f 72 67 |20:35:05| GMT.Org|
|000000a0| 61 6e 69 7a 61 74 69 6f | 6e 3a 20 55 6e 69 76 65 |anizatio|n: Unive|
|000000b0| 72 73 69 74 79 20 6f 66 | 20 55 6c 73 74 65 72 0a |rsity of| Ulster.|
|000000c0| 4d 65 73 73 61 67 65 2d | 49 44 3a 20 3c 34 65 33 |Message-|ID: <4e3|
|000000d0| 67 70 70 24 63 76 6b 40 | 6e 69 61 6f 6d 69 2e 69 |gpp$cvk@|niaomi.i|
|000000e0| 73 63 6d 2e 75 6c 73 74 | 2e 61 63 2e 75 6b 3e 0a |scm.ulst|.ac.uk>.|
|000000f0| 52 65 66 65 72 65 6e 63 | 65 73 3a 20 3c 34 65 32 |Referenc|es: <4e2|
|00000100| 62 6b 37 24 71 6f 6c 40 | 6f 7a 6e 65 74 30 37 2e |bk7$qol@|oznet07.|
|00000110| 6f 7a 65 6d 61 69 6c 2e | 63 6f 6d 2e 61 75 3e 0a |ozemail.|com.au>.|
|00000120| 4e 4e 54 50 2d 50 6f 73 | 74 69 6e 67 2d 48 6f 73 |NNTP-Pos|ting-Hos|
|00000130| 74 3a 20 6a 67 63 2e 69 | 73 63 6d 2e 75 6c 73 74 |t: jgc.i|scm.ulst|
|00000140| 2e 61 63 2e 75 6b 0a 4d | 69 6d 65 2d 56 65 72 73 |.ac.uk.M|ime-Vers|
|00000150| 69 6f 6e 3a 20 31 2e 30 | 0a 43 6f 6e 74 65 6e 74 |ion: 1.0|.Content|
|00000160| 2d 54 79 70 65 3a 20 74 | 65 78 74 2f 70 6c 61 69 |-Type: t|ext/plai|
|00000170| 6e 3b 20 63 68 61 72 73 | 65 74 3d 75 73 2d 61 73 |n; chars|et=us-as|
|00000180| 63 69 69 0a 43 6f 6e 74 | 65 6e 74 2d 54 72 61 6e |cii.Cont|ent-Tran|
|00000190| 73 66 65 72 2d 45 6e 63 | 6f 64 69 6e 67 3a 20 37 |sfer-Enc|oding: 7|
|000001a0| 62 69 74 0a 58 2d 4d 61 | 69 6c 65 72 3a 20 4d 6f |bit.X-Ma|iler: Mo|
|000001b0| 7a 69 6c 6c 61 20 31 2e | 31 4e 20 28 58 31 31 3b |zilla 1.|1N (X11;|
|000001c0| 20 49 3b 20 4c 69 6e 75 | 78 20 31 2e 33 2e 32 30 | I; Linu|x 1.3.20|
|000001d0| 20 69 34 38 36 29 0a 54 | 6f 3a 20 6d 72 69 63 68 | i486).T|o: mrich|
|000001e0| 74 65 72 40 6f 7a 65 6d | 61 69 6c 2e 63 6f 6d 2e |ter@ozem|ail.com.|
|000001f0| 61 75 0a 58 2d 55 52 4c | 3a 20 6e 65 77 73 3a 34 |au.X-URL|: news:4|
|00000200| 65 32 62 6b 37 24 71 6f | 6c 40 6f 7a 6e 65 74 30 |e2bk7$qo|l@oznet0|
|00000210| 37 2e 6f 7a 65 6d 61 69 | 6c 2e 63 6f 6d 2e 61 75 |7.ozemai|l.com.au|
|00000220| 0a 0a 54 68 65 20 49 45 | 45 45 20 73 74 61 6e 64 |..The IE|EE stand|
|00000230| 61 72 64 20 37 34 35 2d | 31 39 38 35 20 73 69 6e |ard 745-|1985 sin|
|00000240| 67 6c 65 20 70 72 65 63 | 69 73 69 6f 6e 20 66 6c |gle prec|ision fl|
|00000250| 6f 61 74 69 6e 67 0a 70 | 6f 69 6e 74 20 66 6f 72 |oating.p|oint for|
|00000260| 6d 61 74 20 75 73 65 73 | 20 33 32 20 62 69 74 73 |mat uses| 32 bits|
|00000270| 20 61 73 20 66 6f 6c 6c | 6f 77 73 3a 0a 0a 20 20 | as foll|ows:.. |
|00000280| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 62 33 31 | | b31|
|00000290| 3d 20 73 69 67 6e 20 6f | 66 20 66 72 61 63 74 69 |= sign o|f fracti|
|000002a0| 6f 6e 20 28 4e 42 2e 20 | 73 69 67 6e 20 6d 61 67 |on (NB. |sign mag|
|000002b0| 6e 69 74 75 64 65 0a 20 | 20 20 20 20 20 20 20 20 |nitude. | |
|000002c0| 20 20 20 20 20 20 20 20 | 20 20 20 75 73 65 64 29 | | used)|
|000002d0| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |. | |
|000002e0| 62 33 30 2d 62 32 33 20 | 3d 20 38 20 62 69 74 20 |b30-b23 |= 8 bit |
|000002f0| 65 78 70 6f 6e 65 6e 74 | 20 28 65 78 63 65 73 73 |exponent| (excess|
|00000300| 20 31 32 37 29 2c 20 69 | 65 2e 0a 20 20 20 20 20 | 127), i|e.. |
|00000310| 20 20 20 20 20 20 20 20 | 20 20 20 20 73 74 6f 72 | | stor|
|00000320| 65 64 20 65 78 70 6f 6e | 65 6e 74 20 3d 20 61 63 |ed expon|ent = ac|
|00000330| 74 75 61 6c 20 65 78 70 | 6f 6e 65 6e 74 20 2b 20 |tual exp|onent + |
|00000340| 31 32 37 2e 0a 20 20 20 | 20 20 20 20 20 20 20 20 |127.. | |
|00000350| 20 20 20 20 62 32 32 2d | 62 30 20 20 3d 20 66 72 | b22-|b0 = fr|
|00000360| 61 63 74 69 6f 6e 20 28 | 4e 42 2e 20 75 73 65 20 |action (|NB. use |
|00000370| 6f 66 20 27 68 69 64 64 | 65 6e 20 62 69 74 27 2c |of 'hidd|en bit',|
|00000380| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |. | |
|00000390| 73 6f 20 74 68 61 74 20 | 61 63 74 75 61 6c 20 66 |so that |actual f|
|000003a0| 72 61 63 74 69 6f 6e 20 | 3d 20 73 74 6f 72 65 64 |raction |= stored|
|000003b0| 20 66 72 61 63 74 69 6f | 6e 20 2b 0a 20 20 20 20 | fractio|n +. |
|000003c0| 20 20 20 20 20 20 20 20 | 20 20 20 31 2e 30 29 0a | | 1.0).|
|000003d0| 69 65 2e 0a 20 20 20 62 | 33 31 20 33 30 20 20 20 |ie.. b|31 30 |
|000003e0| 32 33 20 32 32 20 20 20 | 20 20 20 20 20 20 20 20 |23 22 | |
|000003f0| 20 20 20 20 20 20 20 20 | 30 0a 20 20 20 20 20 2b | |0. +|
|00000400| 2b 2d 2d 2d 2d 2d 2d 2d | 2b 2d 2d 2d 2d 2d 2d 2d |+-------|+-------|
|00000410| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2b |--------|-------+|
|00000420| 0a 20 20 20 20 20 7c 7c | 20 20 20 20 20 20 20 7c |. ||| ||
|00000430| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00000440| 20 20 20 20 20 20 7c 0a | 20 20 20 20 20 2b 2b 2d | |.| ++-|
|00000450| 2d 2d 2d 2d 2d 2d 2b 2d | 2d 2d 2d 2d 2d 2d 2d 2d |------+-|--------|
|00000460| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2b 0a 20 |--------|-----+. |
|00000470| 20 20 20 20 73 20 65 78 | 70 6f 6e 65 6e 74 20 20 | s ex|ponent |
|00000480| 20 20 20 66 72 61 63 74 | 69 6f 6e 0a 0a 41 20 62 | fract|ion..A b|
|00000490| 6f 6f 6b 20 6c 69 6b 65 | 20 41 53 2e 20 54 61 6e |ook like| AS. Tan|
|000004a0| 65 6e 62 61 75 6d 2c 20 | 43 6f 6d 70 2e 20 41 72 |enbaum, |Comp. Ar|
|000004b0| 63 68 69 74 65 63 74 75 | 72 65 20 26 20 4f 72 67 |chitectu|re & Org|
|000004c0| 2e 20 50 72 65 6e 74 69 | 63 65 2d 48 61 6c 6c 20 |. Prenti|ce-Hall |
|000004d0| 31 39 39 30 20 28 33 72 | 64 0a 65 64 29 20 77 6f |1990 (3r|d.ed) wo|
|000004e0| 75 6c 64 20 65 6c 61 62 | 6f 72 61 74 65 20 66 75 |uld elab|orate fu|
|000004f0| 72 74 68 65 72 2e 20 4f | 72 2c 20 65 2d 6d 61 69 |rther. O|r, e-mai|
|00000500| 6c 20 6d 65 20 66 6f 72 | 20 73 6f 6d 65 20 61 63 |l me for| some ac|
|00000510| 74 75 61 6c 20 65 78 61 | 6d 70 6c 65 73 2e 0a 0a |tual exa|mples...|
|00000520| 4f 66 20 63 6f 75 72 73 | 65 2c 20 49 27 6d 20 61 |Of cours|e, I'm a|
|00000530| 73 73 75 6d 69 6e 67 20 | 74 68 61 74 20 79 6f 75 |ssuming |that you|
|00000540| 20 61 72 65 20 61 77 61 | 72 65 20 74 68 61 74 20 | are awa|re that |
|00000550| 61 6e 20 27 6f 72 64 69 | 6e 61 72 79 27 20 70 72 |an 'ordi|nary' pr|
|00000560| 6f 67 72 61 6d 6d 65 72 | 2c 20 77 68 6f 0a 77 61 |ogrammer|, who.wa|
|00000570| 6e 74 73 20 74 6f 20 63 | 6f 6d 70 75 74 65 20 77 |nts to c|ompute w|
|00000580| 69 74 68 20 66 6c 6f 61 | 74 69 6e 67 2d 70 6f 69 |ith floa|ting-poi|
|00000590| 6e 74 20 6e 75 6d 62 65 | 72 73 2c 20 73 68 6f 75 |nt numbe|rs, shou|
|000005a0| 6c 64 20 6e 6f 74 20 62 | 65 20 61 74 20 61 6c 6c |ld not b|e at all|
|000005b0| 20 63 6f 6e 63 65 72 6e | 65 64 0a 77 69 74 68 20 | concern|ed.with |
|000005c0| 74 68 69 73 20 6d 61 74 | 74 65 72 20 2d 2d 20 68 |this mat|ter -- h|
|000005d0| 69 73 20 63 6f 64 65 20 | 73 68 6f 75 6c 64 20 6d |is code |should m|
|000005e0| 61 6b 65 20 2a 6e 6f 2a | 20 61 73 73 75 6d 70 74 |ake *no*| assumpt|
|000005f0| 69 6f 6e 73 20 61 62 6f | 75 74 20 74 68 65 20 75 |ions abo|ut the u|
|00000600| 6e 64 65 72 6c 79 69 6e | 67 0a 72 65 70 72 65 73 |nderlyin|g.repres|
|00000610| 65 6e 74 61 74 69 6f 6e | 20 6f 66 20 74 68 65 20 |entation| of the |
|00000620| 6e 75 6d 62 65 72 73 2e | 0a 0a 52 65 67 61 72 64 |numbers.|..Regard|
|00000630| 73 2c 0a 0a 4a 6f 6e 20 | 43 61 6d 70 62 65 6c 6c |s,..Jon |Campbell|
|00000640| 0a 0a | |.. | |
+--------+-------------------------+-------------------------+--------+--------+
