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Win98
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This file was processed as: SHell self-extracting ARchive
(archive/shar).
| Confidence | Program | Detection | Match Type | Support
|
|---|
| 100%
| dexvert
| Newsgroup Content (archive/news)
| magic
| Supported |
| 100%
| dexvert
| SHell self-extracting ARchive (archive/shar)
| magic
| Supported |
| 100%
| dexvert
| Internet Message Format (text/imf)
| magic
| Supported |
| 1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
| 100%
| file
| news or mail text
| default
| |
| 99%
| file
| C source text
| default
| |
| 98%
| file
| C source, ASCII text
| default
| |
| 100%
| TrID
| E-Mail message (Var. 2)
| default
| |
| 100%
| checkBytes
| Printable ASCII
| default
| |
| 100%
| perlTextCheck
| Likely Text (Perl)
| default
| |
| 100%
| siegfried
| fmt/329 Shell Archive Format
| default
| |
| 100%
| detectItEasy
| Format: plain text[LF]
| default (weak)
| |
| 100%
| xdgMime
| message/rfc822
| default
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 46 72 6f 6d 3a 20 61 64 | 72 69 61 6e 40 6d 69 6c |From: ad|rian@mil|
|00000010| 74 6f 6e 2e 75 2e 77 61 | 73 68 69 6e 67 74 6f 6e |ton.u.wa|shington|
|00000020| 2e 65 64 75 20 28 41 64 | 72 69 61 6e 20 4d 61 72 |.edu (Ad|rian Mar|
|00000030| 69 61 6e 6f 29 0a 4e 65 | 77 73 67 72 6f 75 70 73 |iano).Ne|wsgroups|
|00000040| 3a 20 63 6f 6d 70 2e 73 | 6f 75 72 63 65 73 2e 6d |: comp.s|ources.m|
|00000050| 69 73 63 0a 53 75 62 6a | 65 63 74 3a 20 76 31 39 |isc.Subj|ect: v19|
|00000060| 69 30 31 32 3a 20 20 70 | 6c 6f 74 33 64 20 2d 20 |i012: p|lot3d - |
|00000070| 70 6c 6f 74 20 33 64 20 | 73 75 72 66 61 63 65 73 |plot 3d |surfaces|
|00000080| 20 61 73 20 77 69 72 65 | 20 6d 65 73 68 65 73 2c | as wire| meshes,|
|00000090| 20 50 61 72 74 30 31 2f | 30 31 0a 4d 65 73 73 61 | Part01/|01.Messa|
|000000a0| 67 65 2d 49 44 3a 20 3c | 31 39 39 31 4d 61 79 32 |ge-ID: <|1991May2|
|000000b0| 2e 31 35 34 39 34 35 2e | 37 38 37 31 40 73 70 61 |.154945.|7871@spa|
|000000c0| 72 6b 79 2e 49 4d 44 2e | 53 74 65 72 6c 69 6e 67 |rky.IMD.|Sterling|
|000000d0| 2e 43 4f 4d 3e 0a 44 61 | 74 65 3a 20 32 20 4d 61 |.COM>.Da|te: 2 Ma|
|000000e0| 79 20 39 31 20 31 35 3a | 34 39 3a 34 35 20 47 4d |y 91 15:|49:45 GM|
|000000f0| 54 0a 41 70 70 72 6f 76 | 65 64 3a 20 6b 65 6e 74 |T.Approv|ed: kent|
|00000100| 40 73 70 61 72 6b 79 2e | 69 6d 64 2e 73 74 65 72 |@sparky.|imd.ster|
|00000110| 6c 69 6e 67 2e 63 6f 6d | 0a 58 2d 43 68 65 63 6b |ling.com|.X-Check|
|00000120| 73 75 6d 2d 53 6e 65 66 | 72 75 3a 20 31 31 39 35 |sum-Snef|ru: 1195|
|00000130| 32 31 63 33 20 39 30 62 | 32 32 62 63 34 20 35 63 |21c3 90b|22bc4 5c|
|00000140| 61 30 30 34 37 39 20 63 | 63 64 61 66 63 32 37 0a |a00479 c|cdafc27.|
|00000150| 0a 53 75 62 6d 69 74 74 | 65 64 2d 62 79 3a 20 41 |.Submitt|ed-by: A|
|00000160| 64 72 69 61 6e 20 4d 61 | 72 69 61 6e 6f 20 3c 61 |drian Ma|riano <a|
|00000170| 64 72 69 61 6e 40 6d 69 | 6c 74 6f 6e 2e 75 2e 77 |drian@mi|lton.u.w|
|00000180| 61 73 68 69 6e 67 74 6f | 6e 2e 65 64 75 3e 0a 50 |ashingto|n.edu>.P|
|00000190| 6f 73 74 69 6e 67 2d 6e | 75 6d 62 65 72 3a 20 56 |osting-n|umber: V|
|000001a0| 6f 6c 75 6d 65 20 31 39 | 2c 20 49 73 73 75 65 20 |olume 19|, Issue |
|000001b0| 31 32 0a 41 72 63 68 69 | 76 65 2d 6e 61 6d 65 3a |12.Archi|ve-name:|
|000001c0| 20 70 6c 6f 74 33 64 2f | 70 61 72 74 30 31 0a 0a | plot3d/|part01..|
|000001d0| 54 68 69 73 20 70 72 6f | 67 72 61 6d 20 70 6c 6f |This pro|gram plo|
|000001e0| 74 73 20 33 64 20 73 75 | 72 66 61 63 65 73 20 61 |ts 3d su|rfaces a|
|000001f0| 73 20 77 69 72 65 20 6d | 65 73 68 65 73 2e 20 20 |s wire m|eshes. |
|00000200| 49 74 20 73 75 70 70 6f | 72 74 73 20 63 61 72 74 |It suppo|rts cart|
|00000210| 65 73 69 61 6e 2c 0a 63 | 79 6c 69 6e 64 72 69 63 |esian,.c|ylindric|
|00000220| 61 6c 20 61 6e 64 20 73 | 70 68 65 72 69 63 61 6c |al and s|pherical|
|00000230| 20 63 6f 6f 72 64 69 6e | 61 74 65 73 2e 20 20 54 | coordin|ates. T|
|00000240| 68 69 73 20 76 65 72 73 | 69 6f 6e 20 63 6f 6d 70 |his vers|ion comp|
|00000250| 69 6c 65 73 20 75 6e 64 | 65 72 0a 4d 53 44 4f 53 |iles und|er.MSDOS|
|00000260| 20 77 69 74 68 20 54 75 | 72 62 6f 20 43 2e 20 20 | with Tu|rbo C. |
|00000270| 49 74 20 73 68 6f 75 6c | 64 6e 27 74 20 62 65 20 |It shoul|dn't be |
|00000280| 76 65 72 79 20 64 69 66 | 66 69 63 75 6c 74 20 74 |very dif|ficult t|
|00000290| 6f 20 70 6f 72 74 20 74 | 6f 20 6f 74 68 65 72 0a |o port t|o other.|
|000002a0| 65 6e 76 69 72 6f 6e 6d | 65 6e 74 73 2c 20 68 6f |environm|ents, ho|
|000002b0| 77 65 76 65 72 2e 0a 0a | 41 64 72 69 61 6e 20 4d |wever...|Adrian M|
|000002c0| 61 72 69 61 6e 6f 0a 2d | 2d 2d 2d 2d 2d 2d 2d 2d |ariano.-|--------|
|000002d0| 2d 0a 23 21 20 2f 62 69 | 6e 2f 73 68 0a 23 20 54 |-.#! /bi|n/sh.# T|
|000002e0| 68 69 73 20 69 73 20 61 | 20 73 68 65 6c 6c 20 61 |his is a| shell a|
|000002f0| 72 63 68 69 76 65 2c 20 | 6d 65 61 6e 69 6e 67 3a |rchive, |meaning:|
|00000300| 0a 23 20 31 2e 20 52 65 | 6d 6f 76 65 20 65 76 65 |.# 1. Re|move eve|
|00000310| 72 79 74 68 69 6e 67 20 | 61 62 6f 76 65 20 74 68 |rything |above th|
|00000320| 65 20 23 21 20 2f 62 69 | 6e 2f 73 68 20 6c 69 6e |e #! /bi|n/sh lin|
|00000330| 65 2e 0a 23 20 32 2e 20 | 53 61 76 65 20 74 68 65 |e..# 2. |Save the|
|00000340| 20 72 65 73 75 6c 74 69 | 6e 67 20 74 65 78 74 20 | resulti|ng text |
|00000350| 69 6e 20 61 20 66 69 6c | 65 2e 0a 23 20 33 2e 20 |in a fil|e..# 3. |
|00000360| 45 78 65 63 75 74 65 20 | 74 68 65 20 66 69 6c 65 |Execute |the file|
|00000370| 20 77 69 74 68 20 2f 62 | 69 6e 2f 73 68 20 28 6e | with /b|in/sh (n|
|00000380| 6f 74 20 63 73 68 29 20 | 74 6f 20 63 72 65 61 74 |ot csh) |to creat|
|00000390| 65 3a 0a 23 09 63 61 6c | 63 2e 63 0a 23 09 67 72 |e:.#.cal|c.c.#.gr|
|000003a0| 61 70 68 2e 63 0a 23 09 | 6d 61 6b 65 66 69 6c 65 |aph.c.#.|makefile|
|000003b0| 0a 23 09 70 6c 6f 74 2e | 63 0a 23 09 70 6c 6f 74 |.#.plot.|c.#.plot|
|000003c0| 33 64 2e 63 0a 23 09 70 | 6c 6f 74 33 64 2e 68 0a |3d.c.#.p|lot3d.h.|
|000003d0| 23 09 72 65 61 64 6d 65 | 0a 23 20 54 68 69 73 20 |#.readme|.# This |
|000003e0| 61 72 63 68 69 76 65 20 | 63 72 65 61 74 65 64 3a |archive |created:|
|000003f0| 20 54 75 65 20 41 70 72 | 20 33 30 20 31 34 3a 32 | Tue Apr| 30 14:2|
|00000400| 31 3a 32 37 20 31 39 39 | 31 0a 65 78 70 6f 72 74 |1:27 199|1.export|
|00000410| 20 50 41 54 48 3b 20 50 | 41 54 48 3d 2f 62 69 6e | PATH; P|ATH=/bin|
|00000420| 3a 2f 75 73 72 2f 62 69 | 6e 3a 24 50 41 54 48 0a |:/usr/bi|n:$PATH.|
|00000430| 69 66 20 74 65 73 74 20 | 2d 66 20 27 63 61 6c 63 |if test |-f 'calc|
|00000440| 2e 63 27 0a 74 68 65 6e | 0a 09 65 63 68 6f 20 73 |.c'.then|..echo s|
|00000450| 68 61 72 3a 20 22 77 69 | 6c 6c 20 6e 6f 74 20 6f |har: "wi|ll not o|
|00000460| 76 65 72 2d 77 72 69 74 | 65 20 65 78 69 73 74 69 |ver-writ|e existi|
|00000470| 6e 67 20 66 69 6c 65 20 | 27 63 61 6c 63 2e 63 27 |ng file |'calc.c'|
|00000480| 22 0a 65 6c 73 65 0a 63 | 61 74 20 3c 3c 20 5c 53 |".else.c|at << \S|
|00000490| 48 41 52 5f 45 4f 46 20 | 3e 20 27 63 61 6c 63 2e |HAR_EOF |> 'calc.|
|000004a0| 63 27 0a 2f 2a 0a 0a 50 | 6c 6f 74 33 64 20 2d 2d |c'./*..P|lot3d --|
|000004b0| 20 63 61 6c 63 2e 63 2c | 20 74 68 65 20 66 75 6e | calc.c,| the fun|
|000004c0| 63 74 69 6f 6e 20 65 76 | 61 6c 75 61 74 69 6f 6e |ction ev|aluation|
|000004d0| 20 63 6f 64 65 0a 0a 42 | 79 20 4b 61 72 6c 20 43 | code..B|y Karl C|
|000004e0| 72 61 72 79 20 2d 2d 20 | 6b 63 32 6d 2b 40 61 6e |rary -- |kc2m+@an|
|000004f0| 64 72 65 77 2e 63 6d 75 | 2e 65 64 75 0a 0a 0a 43 |drew.cmu|.edu...C|
|00000500| 6f 70 79 72 69 67 68 74 | 20 28 63 29 20 31 39 39 |opyright| (c) 199|
|00000510| 31 20 62 79 20 4b 61 72 | 6c 20 43 72 61 72 79 0a |1 by Kar|l Crary.|
|00000520| 0a 59 6f 75 20 6d 61 79 | 20 75 73 65 20 61 6e 64 |.You may| use and|
|00000530| 20 64 69 73 74 72 69 62 | 75 74 65 20 74 68 69 73 | distrib|ute this|
|00000540| 20 70 72 6f 67 72 61 6d | 20 61 73 20 6d 75 63 68 | program| as much|
|00000550| 20 61 73 20 79 6f 75 20 | 6c 69 6b 65 20 73 6f 20 | as you |like so |
|00000560| 6c 6f 6e 67 20 61 73 20 | 79 6f 75 20 64 6f 20 0a |long as |you do .|
|00000570| 6e 6f 74 20 63 68 61 72 | 67 65 20 66 6f 72 20 74 |not char|ge for t|
|00000580| 68 69 73 20 73 65 72 76 | 69 63 65 2e 20 20 49 20 |his serv|ice. I |
|00000590| 61 6d 20 6e 6f 74 20 6c | 69 61 62 6c 65 20 66 6f |am not l|iable fo|
|000005a0| 72 20 66 61 69 6c 75 72 | 65 20 6f 66 20 74 68 69 |r failur|e of thi|
|000005b0| 73 20 70 72 6f 67 72 61 | 6d 20 74 6f 20 0a 70 65 |s progra|m to .pe|
|000005c0| 72 66 6f 72 6d 20 69 6e | 20 61 6e 79 20 77 61 79 |rform in| any way|
|000005d0| 2e 20 20 0a 0a 2a 2f 0a | 0a 0a 23 69 6e 63 6c 75 |. ..*/.|..#inclu|
|000005e0| 64 65 20 22 70 6c 6f 74 | 33 64 2e 68 22 0a 0a 20 |de "plot|3d.h".. |
|000005f0| 20 20 69 6e 74 20 63 6f | 6e 76 65 72 74 28 63 68 | int co|nvert(ch|
|00000600| 61 72 20 73 74 72 69 6e | 67 5b 5d 2c 63 68 61 72 |ar strin|g[],char|
|00000610| 20 2a 2a 65 72 72 6f 72 | 6d 73 67 2c 63 68 61 72 | **error|msg,char|
|00000620| 20 73 74 61 63 6b 6e 6f | 29 3b 20 20 2f 2a 20 63 | stackno|); /* c|
|00000630| 6f 6e 76 65 72 74 20 69 | 6e 66 69 78 20 74 6f 20 |onvert i|nfix to |
|00000640| 52 50 4e 20 69 6e 20 66 | 73 74 61 63 6b 20 2a 2f |RPN in f|stack */|
|00000650| 0a 20 20 20 76 6f 69 64 | 20 70 72 6f 63 65 73 73 |. void| process|
|00000660| 28 63 68 61 72 20 6f 70 | 65 72 61 74 6f 72 2c 75 |(char op|erator,u|
|00000670| 6e 73 69 67 6e 65 64 20 | 63 68 61 72 20 2a 66 69 |nsigned |char *fi|
|00000680| 6e 64 65 78 2c 63 68 61 | 72 20 63 73 74 61 63 6b |ndex,cha|r cstack|
|00000690| 5b 5d 2c 63 68 61 72 20 | 2a 63 73 74 61 63 6b 74 |[],char |*cstackt|
|000006a0| 6f 70 2c 74 65 72 6d 20 | 66 73 74 61 63 6b 5b 5d |op,term |fstack[]|
|000006b0| 29 3b 0a 20 20 20 63 68 | 61 72 20 70 72 65 63 65 |);. ch|ar prece|
|000006c0| 64 65 6e 63 65 28 63 68 | 61 72 20 6f 70 65 72 61 |dence(ch|ar opera|
|000006d0| 74 6f 72 2c 20 63 68 61 | 72 20 70 75 73 68 29 3b |tor, cha|r push);|
|000006e0| 0a 20 20 20 76 6f 69 64 | 20 73 69 6d 70 6c 69 66 |. void| simplif|
|000006f0| 79 28 63 68 61 72 20 73 | 74 61 63 6b 6e 6f 29 3b |y(char s|tackno);|
|00000700| 0a 20 20 20 64 6f 75 62 | 6c 65 20 67 61 6d 6d 61 |. doub|le gamma|
|00000710| 28 64 6f 75 62 6c 65 20 | 61 72 67 29 3b 0a 0a 20 |(double |arg);.. |
|00000720| 20 20 65 78 74 65 72 6e | 20 63 68 61 72 20 73 74 | extern| char st|
|00000730| 6f 70 3b 0a 20 20 20 63 | 68 61 72 20 66 65 72 72 |op;. c|har ferr|
|00000740| 3b 0a 0a 64 6f 75 62 6c | 65 20 66 66 28 64 6f 75 |;..doubl|e ff(dou|
|00000750| 62 6c 65 20 61 72 67 31 | 2c 20 64 6f 75 62 6c 65 |ble arg1|, double|
|00000760| 20 61 72 67 32 2c 20 63 | 68 61 72 20 73 74 61 63 | arg2, c|har stac|
|00000770| 6b 6e 6f 29 0a 7b 0a 20 | 20 20 73 74 61 74 69 63 |kno).{. | static|
|00000780| 20 75 6e 73 69 67 6e 65 | 64 20 63 68 61 72 20 62 | unsigne|d char b|
|00000790| 65 67 69 6e 20 3d 20 30 | 3b 0a 20 20 20 6c 6f 6e |egin = 0|;. lon|
|000007a0| 67 20 64 6f 75 62 6c 65 | 20 73 74 61 63 6b 5b 32 |g double| stack[2|
|000007b0| 35 5d 2c 20 69 6e 74 65 | 72 6d 65 64 69 61 74 65 |5], inte|rmediate|
|000007c0| 3b 0a 20 20 20 75 6e 73 | 69 67 6e 65 64 20 63 68 |;. uns|igned ch|
|000007d0| 61 72 20 66 69 6e 64 65 | 78 3b 0a 20 20 20 63 68 |ar finde|x;. ch|
|000007e0| 61 72 20 68 65 69 67 68 | 74 2c 20 69 69 2c 20 72 |ar heigh|t, ii, r|
|000007f0| 65 63 75 72 73 65 3b 0a | 20 20 20 69 66 20 28 28 |ecurse;.| if ((|
|00000800| 61 72 67 31 20 3c 20 2d | 4d 41 58 44 4f 55 42 4c |arg1 < -|MAXDOUBL|
|00000810| 45 29 20 7c 7c 20 28 61 | 72 67 31 20 3e 20 4d 41 |E) || (a|rg1 > MA|
|00000820| 58 44 4f 55 42 4c 45 29 | 29 20 7b 0a 20 20 20 20 |XDOUBLE)|) {. |
|00000830| 20 20 66 65 72 72 20 3d | 20 31 3b 0a 20 20 20 20 | ferr =| 1;. |
|00000840| 20 20 72 65 74 75 72 6e | 28 30 29 3b 0a 20 20 20 | return|(0);. |
|00000850| 7d 0a 20 20 20 69 66 20 | 28 72 61 6e 67 65 28 2d |}. if |(range(-|
|00000860| 4d 49 4e 44 4f 55 42 4c | 45 2c 61 72 67 31 2c 4d |MINDOUBL|E,arg1,M|
|00000870| 49 4e 44 4f 55 42 4c 45 | 29 29 20 61 72 67 31 20 |INDOUBLE|)) arg1 |
|00000880| 3d 20 30 3b 0a 20 20 20 | 66 65 72 72 20 3d 20 20 |= 0;. |ferr = |
|00000890| 30 3b 0a 20 20 20 68 65 | 69 67 68 74 20 3d 20 72 |0;. he|ight = r|
|000008a0| 65 63 75 72 73 65 20 3d | 20 30 3b 0a 20 20 20 69 |ecurse =| 0;. i|
|000008b0| 66 20 28 62 65 67 69 6e | 29 20 72 65 63 75 72 73 |f (begin|) recurs|
|000008c0| 65 20 3d 20 31 3b 0a 0a | 20 20 20 66 6f 72 20 28 |e = 1;..| for (|
|000008d0| 28 66 69 6e 64 65 78 20 | 3d 20 62 65 67 69 6e 29 |(findex |= begin)|
|000008e0| 2c 28 62 65 67 69 6e 20 | 3d 20 30 29 3b 20 66 73 |,(begin |= 0); fs|
|000008f0| 74 61 63 6b 5b 73 74 61 | 63 6b 6e 6f 5d 5b 66 69 |tack[sta|ckno][fi|
|00000900| 6e 64 65 78 5d 2e 6f 70 | 65 72 61 74 6f 72 20 21 |ndex].op|erator !|
|00000910| 3d 20 27 3d 27 3b 20 66 | 69 6e 64 65 78 2b 2b 29 |= '='; f|index++)|
|00000920| 20 7b 0a 20 20 20 20 20 | 20 69 66 20 28 21 73 74 | {. | if (!st|
|00000930| 6f 70 20 26 26 20 6b 62 | 68 69 74 28 29 29 20 7b |op && kb|hit()) {|
|00000940| 0a 20 20 20 20 20 20 20 | 20 20 69 69 20 3d 20 67 |. | ii = g|
|00000950| 65 74 63 68 28 29 3b 0a | 20 20 20 20 20 20 20 20 |etch();.| |
|00000960| 20 69 66 20 28 69 69 20 | 3d 3d 20 27 20 27 29 20 | if (ii |== ' ') |
|00000970| 73 74 6f 70 20 3d 20 32 | 3b 0a 20 20 20 20 20 20 |stop = 2|;. |
|00000980| 20 20 20 69 66 20 28 69 | 69 20 3d 3d 20 32 34 29 | if (i|i == 24)|
|00000990| 20 74 65 72 6d 69 6e 61 | 74 65 28 29 3b 0a 20 20 | termina|te();. |
|000009a0| 20 20 20 20 20 20 20 69 | 66 20 28 69 69 20 3d 3d | i|f (ii ==|
|000009b0| 20 32 37 29 20 7b 0a 20 | 20 20 20 20 20 20 20 20 | 27) {. | |
|000009c0| 20 20 20 73 74 6f 70 20 | 3d 20 31 3b 0a 20 20 20 | stop |= 1;. |
|000009d0| 20 20 20 20 20 20 20 20 | 20 72 65 74 75 72 6e 28 | | return(|
|000009e0| 30 29 3b 0a 20 20 20 20 | 20 20 20 20 20 7d 0a 20 |0);. | }. |
|000009f0| 20 20 20 20 20 7d 0a 20 | 20 20 20 20 20 73 77 69 | }. | swi|
|00000a00| 74 63 68 20 28 66 73 74 | 61 63 6b 5b 73 74 61 63 |tch (fst|ack[stac|
|00000a10| 6b 6e 6f 5d 5b 66 69 6e | 64 65 78 5d 2e 6f 70 65 |kno][fin|dex].ope|
|00000a20| 72 61 74 6f 72 29 20 7b | 0a 20 20 20 20 20 20 20 |rator) {|. |
|00000a30| 20 20 63 61 73 65 20 27 | 23 27 20 3a 0a 20 20 20 | case '|#' :. |
|00000a40| 20 20 20 20 20 20 20 20 | 20 69 66 20 28 68 65 69 | | if (hei|
|00000a50| 67 68 74 20 3e 3d 20 32 | 35 29 20 7b 0a 20 20 20 |ght >= 2|5) {. |
|00000a60| 20 20 20 20 20 20 20 20 | 20 20 20 20 66 65 72 72 | | ferr|
|00000a70| 20 3d 20 31 3b 0a 20 20 | 20 20 20 20 20 20 20 20 | = 1;. | |
|00000a80| 20 20 20 20 20 62 72 65 | 61 6b 3b 0a 20 20 20 20 | bre|ak;. |
|00000a90| 20 20 20 20 20 20 20 20 | 7d 0a 20 20 20 20 20 20 | |}. |
|00000aa0| 20 20 20 20 20 20 66 6f | 72 20 28 69 69 20 3d 20 | fo|r (ii = |
|00000ab0| 68 65 69 67 68 74 3b 20 | 69 69 20 3e 20 30 3b 20 |height; |ii > 0; |
|00000ac0| 69 69 2d 2d 29 20 73 74 | 61 63 6b 5b 69 69 5d 20 |ii--) st|ack[ii] |
|00000ad0| 3d 20 73 74 61 63 6b 5b | 69 69 2d 31 5d 3b 0a 20 |= stack[|ii-1];. |
|00000ae0| 20 20 20 20 20 20 20 20 | 20 20 20 68 65 69 67 68 | | heigh|
|00000af0| 74 2b 2b 3b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |t++;. | |
|00000b00| 20 73 74 61 63 6b 5b 30 | 5d 20 3d 20 66 73 74 61 | stack[0|] = fsta|
|00000b10| 63 6b 5b 73 74 61 63 6b | 6e 6f 5d 5b 66 69 6e 64 |ck[stack|no][find|
|00000b20| 65 78 5d 2e 6f 70 65 72 | 61 6e 64 3b 0a 20 20 20 |ex].oper|and;. |
|00000b30| 20 20 20 20 20 20 20 20 | 20 62 72 65 61 6b 3b 0a | | break;.|
|00000b40| 20 20 20 20 20 20 20 20 | 20 63 61 73 65 20 27 79 | | case 'y|
|00000b50| 27 20 3a 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |' :. | |
|00000b60| 20 20 20 20 69 66 20 28 | 68 65 69 67 68 74 20 3e | if (|height >|
|00000b70| 3d 20 32 35 29 20 7b 0a | 20 20 20 20 20 20 20 20 |= 25) {.| |
|00000b80| 20 20 20 20 20 20 20 66 | 65 72 72 20 3d 20 31 3b | f|err = 1;|
|00000b90| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |. | |
|00000ba0| 62 72 65 61 6b 3b 0a 20 | 20 20 20 20 20 20 20 20 |break;. | |
|00000bb0| 20 20 20 7d 0a 20 20 20 | 20 20 20 20 20 20 20 20 | }. | |
|00000bc0| 20 66 6f 72 20 28 69 69 | 20 3d 20 68 65 69 67 68 | for (ii| = heigh|
|00000bd0| 74 3b 20 69 69 20 3e 20 | 30 3b 20 69 69 2d 2d 29 |t; ii > |0; ii--)|
|00000be0| 20 73 74 61 63 6b 5b 69 | 69 5d 20 3d 20 73 74 61 | stack[i|i] = sta|
|00000bf0| 63 6b 5b 69 69 2d 31 5d | 3b 0a 20 20 20 20 20 20 |ck[ii-1]|;. |
|00000c00| 20 20 20 20 20 20 68 65 | 69 67 68 74 2b 2b 3b 0a | he|ight++;.|
|00000c10| 20 20 20 20 20 20 20 20 | 20 20 20 20 73 74 61 63 | | stac|
|00000c20| 6b 5b 30 5d 20 3d 20 61 | 72 67 32 3b 0a 20 20 20 |k[0] = a|rg2;. |
|00000c30| 20 20 20 20 20 20 20 20 | 20 62 72 65 61 6b 3b 0a | | break;.|
|00000c40| 0a 20 20 20 20 20 20 20 | 20 20 63 61 73 65 20 27 |. | case '|
|00000c50| 78 27 20 3a 0a 20 20 20 | 20 20 20 20 20 20 20 20 |x' :. | |
|00000c60| 20 69 66 20 28 68 65 69 | 67 68 74 20 3e 3d 20 32 | if (hei|ght >= 2|
|00000c70| 35 29 20 7b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |5) {. | |
|00000c80| 20 20 20 20 66 65 72 72 | 20 3d 20 31 3b 0a 20 20 | ferr| = 1;. |
|00000c90| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 62 72 65 | | bre|
|00000ca0| 61 6b 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |ak;. | |
|00000cb0| 7d 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 66 6f |}. | fo|
|00000cc0| 72 20 28 69 69 20 3d 20 | 68 65 69 67 68 74 3b 20 |r (ii = |height; |
|00000cd0| 69 69 20 3e 20 30 3b 20 | 69 69 2d 2d 29 20 73 74 |ii > 0; |ii--) st|
|00000ce0| 61 63 6b 5b 69 69 5d 20 | 3d 20 73 74 61 63 6b 5b |ack[ii] |= stack[|
|00000cf0| 69 69 2d 31 5d 3b 0a 20 | 20 20 20 20 20 20 20 20 |ii-1];. | |
|00000d00| 20 20 20 68 65 69 67 68 | 74 2b 2b 3b 0a 20 20 20 | heigh|t++;. |
|00000d10| 20 20 20 20 20 20 20 20 | 20 73 74 61 63 6b 5b 30 | | stack[0|
|00000d20| 5d 20 3d 20 61 72 67 31 | 3b 0a 20 20 20 20 20 20 |] = arg1|;. |
|00000d30| 20 20 20 20 20 20 62 72 | 65 61 6b 3b 0a 20 20 20 | br|eak;. |
|00000d40| 20 20 20 20 20 20 63 61 | 73 65 20 27 5e 27 20 3a | ca|se '^' :|
|00000d50| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 69 66 20 |. | if |
|00000d60| 28 28 28 73 74 61 63 6b | 5b 31 5d 20 3d 3d 20 30 |(((stack|[1] == 0|
|00000d70| 29 20 26 26 20 28 73 74 | 61 63 6b 5b 30 5d 20 3c |) && (st|ack[0] <|
|00000d80| 3d 20 30 29 29 20 7c 7c | 20 28 28 73 74 61 63 6b |= 0)) ||| ((stack|
|00000d90| 5b 31 5d 20 3c 20 30 29 | 20 26 26 20 28 73 74 61 |[1] < 0)| && (sta|
|00000da0| 63 6b 5b 30 5d 20 21 3d | 20 66 6c 6f 6f 72 28 73 |ck[0] !=| floor(s|
|00000db0| 74 61 63 6b 5b 30 5d 29 | 29 29 29 20 66 65 72 72 |tack[0])|))) ferr|
|00000dc0| 20 3d 20 31 3b 0a 20 20 | 20 20 20 20 20 20 20 20 | = 1;. | |
|00000dd0| 20 20 65 6c 73 65 20 69 | 6e 74 65 72 6d 65 64 69 | else i|ntermedi|
|00000de0| 61 74 65 20 3d 20 70 6f | 77 28 73 74 61 63 6b 5b |ate = po|w(stack[|
|00000df0| 31 5d 2c 73 74 61 63 6b | 5b 30 5d 29 3b 0a 20 20 |1],stack|[0]);. |
|00000e00| 20 20 20 20 20 20 20 20 | 20 20 69 66 20 28 69 6e | | if (in|
|00000e10| 74 65 72 6d 65 64 69 61 | 74 65 20 3d 3d 20 48 55 |termedia|te == HU|
|00000e20| 47 45 5f 56 41 4c 29 20 | 66 65 72 72 20 3d 20 31 |GE_VAL) |ferr = 1|
|00000e30| 3b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 65 6c |;. | el|
|00000e40| 73 65 20 73 74 61 63 6b | 5b 30 5d 20 3d 20 69 6e |se stack|[0] = in|
|00000e50| 74 65 72 6d 65 64 69 61 | 74 65 3b 0a 20 20 20 20 |termedia|te;. |
|00000e60| 20 20 20 20 20 20 20 20 | 67 6f 74 6f 20 70 6f 70 | |goto pop|
|00000e70| 73 74 61 63 6b 3b 0a 20 | 20 20 20 20 20 20 20 20 |stack;. | |
|00000e80| 63 61 73 65 20 27 5c 5c | 27 20 3a 20 20 2f 2a 20 |case '\\|' : /* |
|00000e90| 72 6f 6f 74 20 2a 2f 0a | 20 20 20 20 20 20 20 20 |root */.| |
|00000ea0| 20 20 20 20 69 66 20 28 | 28 73 74 61 63 6b 5b 30 | if (|(stack[0|
|00000eb0| 5d 20 3d 3d 20 30 29 20 | 26 26 20 28 73 74 61 63 |] == 0) |&& (stac|
|00000ec0| 6b 5b 31 5d 20 3c 3d 20 | 30 29 29 20 66 65 72 72 |k[1] <= |0)) ferr|
|00000ed0| 20 3d 20 31 3b 20 20 2f | 2a 20 64 69 76 69 73 69 | = 1; /|* divisi|
|00000ee0| 6f 6e 20 62 79 20 7a 65 | 72 6f 20 2a 2f 0a 20 20 |on by ze|ro */. |
|00000ef0| 20 20 20 20 20 20 20 20 | 20 20 69 66 20 28 73 74 | | if (st|
|00000f00| 61 63 6b 5b 31 5d 20 3d | 3d 20 30 29 20 66 65 72 |ack[1] =|= 0) fer|
|00000f10| 72 20 3d 20 31 3b 20 20 | 2f 2a 20 7a 65 72 6f 74 |r = 1; |/* zerot|
|00000f20| 68 20 72 6f 6f 74 20 2a | 2f 0a 20 20 20 20 20 20 |h root *|/. |
|00000f30| 20 20 20 20 20 20 69 66 | 20 28 28 73 74 61 63 6b | if| ((stack|
|00000f40| 5b 30 5d 20 3c 20 30 29 | 20 26 26 20 28 66 6c 6f |[0] < 0)| && (flo|
|00000f50| 6f 72 28 28 73 74 61 63 | 6b 5b 31 5d 2b 31 29 2f |or((stac|k[1]+1)/|
|00000f60| 32 29 20 21 3d 20 28 73 | 74 61 63 6b 5b 31 5d 2b |2) != (s|tack[1]+|
|00000f70| 31 29 2f 32 29 29 20 66 | 65 72 72 20 3d 20 31 3b |1)/2)) f|err = 1;|
|00000f80| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 69 66 20 |. | if |
|00000f90| 28 21 66 65 72 72 29 20 | 73 74 61 63 6b 5b 30 5d |(!ferr) |stack[0]|
|00000fa0| 20 3d 20 28 73 74 61 63 | 6b 5b 30 5d 20 3c 20 30 | = (stac|k[0] < 0|
|00000fb0| 20 3f 20 2d 31 20 3a 20 | 31 29 2a 70 6f 77 28 66 | ? -1 : |1)*pow(f|
|00000fc0| 61 62 73 28 73 74 61 63 | 6b 5b 30 5d 29 2c 31 2f |abs(stac|k[0]),1/|
|00000fd0| 73 74 61 63 6b 5b 31 5d | 29 3b 0a 20 20 20 20 20 |stack[1]|);. |
|00000fe0| 20 20 20 20 20 20 20 67 | 6f 74 6f 20 70 6f 70 73 | g|oto pops|
|00000ff0| 74 61 63 6b 3b 0a 20 20 | 20 20 20 20 20 20 20 63 |tack;. | c|
|00001000| 61 73 65 20 27 2a 27 20 | 3a 0a 20 20 20 20 20 20 |ase '*' |:. |
|00001010| 20 20 20 20 20 20 73 74 | 61 63 6b 5b 30 5d 20 3d | st|ack[0] =|
|00001020| 20 73 74 61 63 6b 5b 30 | 5d 20 2a 20 73 74 61 63 | stack[0|] * stac|
|00001030| 6b 5b 31 5d 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |k[1];. | |
|00001040| 20 20 67 6f 74 6f 20 70 | 6f 70 73 74 61 63 6b 3b | goto p|opstack;|
|00001050| 0a 20 20 20 20 20 20 20 | 20 20 63 61 73 65 20 27 |. | case '|
|00001060| 2f 27 20 3a 0a 09 20 20 | 20 20 69 66 20 28 73 74 |/' :.. | if (st|
|00001070| 61 63 6b 5b 30 5d 20 3d | 3d 20 30 29 20 66 65 72 |ack[0] =|= 0) fer|
|00001080| 72 20 3d 20 31 3b 0a 20 | 20 20 20 20 20 20 20 20 |r = 1;. | |
|00001090| 20 20 20 65 6c 73 65 20 | 73 74 61 63 6b 5b 30 5d | else |stack[0]|
|000010a0| 20 3d 20 73 74 61 63 6b | 5b 31 5d 20 2f 20 73 74 | = stack|[1] / st|
|000010b0| 61 63 6b 5b 30 5d 3b 0a | 20 20 20 20 20 20 20 20 |ack[0];.| |
|000010c0| 20 20 20 20 67 6f 74 6f | 20 70 6f 70 73 74 61 63 | goto| popstac|
|000010d0| 6b 3b 0a 20 20 20 20 20 | 20 20 20 20 63 61 73 65 |k;. | case|
|000010e0| 20 27 2b 27 20 3a 0a 20 | 20 20 20 20 20 20 20 20 | '+' :. | |
|000010f0| 20 20 20 73 74 61 63 6b | 5b 30 5d 20 3d 20 73 74 | stack|[0] = st|
|00001100| 61 63 6b 5b 30 5d 20 2b | 20 73 74 61 63 6b 5b 31 |ack[0] +| stack[1|
|00001110| 5d 3b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 67 |];. | g|
|00001120| 6f 74 6f 20 70 6f 70 73 | 74 61 63 6b 3b 0a 20 20 |oto pops|tack;. |
|00001130| 20 20 20 20 20 20 20 63 | 61 73 65 20 27 2d 27 20 | c|ase '-' |
|00001140| 3a 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 73 74 |:. | st|
|00001150| 61 63 6b 5b 30 5d 20 3d | 20 73 74 61 63 6b 5b 31 |ack[0] =| stack[1|
|00001160| 5d 20 2d 20 73 74 61 63 | 6b 5b 30 5d 3b 0a 20 20 |] - stac|k[0];. |
|00001170| 20 20 20 20 20 20 20 20 | 20 20 67 6f 74 6f 20 70 | | goto p|
|00001180| 6f 70 73 74 61 63 6b 3b | 0a 20 20 20 20 20 20 20 |opstack;|. |
|00001190| 20 20 63 61 73 65 20 27 | 6d 27 20 3a 0a 20 20 20 | case '|m' :. |
|000011a0| 20 20 20 20 20 20 20 20 | 20 73 74 61 63 6b 5b 30 | | stack[0|
|000011b0| 5d 20 3d 20 2d 73 74 61 | 63 6b 5b 30 5d 3b 0a 20 |] = -sta|ck[0];. |
|000011c0| 20 20 20 20 20 20 20 20 | 20 20 20 62 72 65 61 6b | | break|
|000011d0| 3b 0a 20 20 20 20 20 20 | 20 20 20 63 61 73 65 20 |;. | case |
|000011e0| 27 73 27 20 3a 0a 20 20 | 20 20 20 20 20 20 20 20 |'s' :. | |
|000011f0| 20 20 73 74 61 63 6b 5b | 30 5d 20 3d 20 73 69 6e | stack[|0] = sin|
|00001200| 28 73 74 61 63 6b 5b 30 | 5d 29 3b 0a 20 20 20 20 |(stack[0|]);. |
|00001210| 20 20 20 20 20 20 20 20 | 62 72 65 61 6b 3b 0a 20 | |break;. |
|00001220| 20 20 20 20 20 20 20 20 | 63 61 73 65 20 27 63 27 | |case 'c'|
|00001230| 20 3a 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 73 | :. | s|
|00001240| 74 61 63 6b 5b 30 5d 20 | 3d 20 63 6f 73 28 73 74 |tack[0] |= cos(st|
|00001250| 61 63 6b 5b 30 5d 29 3b | 0a 20 20 20 20 20 20 20 |ack[0]);|. |
|00001260| 20 20 20 20 20 62 72 65 | 61 6b 3b 0a 20 20 20 20 | bre|ak;. |
|00001270| 20 20 20 20 20 63 61 73 | 65 20 27 74 27 20 3a 0a | cas|e 't' :.|
|00001280| 20 20 20 20 20 20 20 20 | 20 20 20 20 73 74 61 63 | | stac|
|00001290| 6b 5b 30 5d 20 3d 20 74 | 61 6e 28 73 74 61 63 6b |k[0] = t|an(stack|
|000012a0| 5b 30 5d 29 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |[0]);. | |
|000012b0| 20 20 62 72 65 61 6b 3b | 0a 20 20 20 20 20 20 20 | break;|. |
|000012c0| 20 20 63 61 73 65 20 27 | 53 27 20 3a 0a 20 20 20 | case '|S' :. |
|000012d0| 20 20 20 20 20 20 20 20 | 20 69 66 20 28 21 72 61 | | if (!ra|
|000012e0| 6e 67 65 28 2d 31 2c 73 | 74 61 63 6b 5b 30 5d 2c |nge(-1,s|tack[0],|
|000012f0| 31 29 29 20 66 65 72 72 | 20 3d 20 31 3b 0a 20 20 |1)) ferr| = 1;. |
|00001300| 20 20 20 20 20 20 20 20 | 20 20 65 6c 73 65 20 73 | | else s|
|00001310| 74 61 63 6b 5b 30 5d 20 | 3d 20 61 73 69 6e 28 73 |tack[0] |= asin(s|
|00001320| 74 61 63 6b 5b 30 5d 29 | 3b 0a 20 20 20 20 20 20 |tack[0])|;. |
|00001330| 20 20 20 20 20 20 62 72 | 65 61 6b 3b 0a 20 20 20 | br|eak;. |
|00001340| 20 20 20 20 20 20 63 61 | 73 65 20 27 43 27 20 3a | ca|se 'C' :|
|00001350| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 69 66 20 |. | if |
|00001360| 28 21 72 61 6e 67 65 28 | 2d 31 2c 73 74 61 63 6b |(!range(|-1,stack|
|00001370| 5b 30 5d 2c 31 29 29 20 | 66 65 72 72 20 3d 20 31 |[0],1)) |ferr = 1|
|00001380| 3b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 65 6c |;. | el|
|00001390| 73 65 20 73 74 61 63 6b | 5b 30 5d 20 3d 20 61 63 |se stack|[0] = ac|
|000013a0| 6f 73 28 73 74 61 63 6b | 5b 30 5d 29 3b 0a 20 20 |os(stack|[0]);. |
|000013b0| 20 20 20 20 20 20 20 20 | 20 20 62 72 65 61 6b 3b | | break;|
|000013c0| 0a 20 20 20 20 20 20 20 | 20 20 63 61 73 65 20 27 |. | case '|
|000013d0| 54 27 20 3a 0a 20 20 20 | 20 20 20 20 20 20 20 20 |T' :. | |
|000013e0| 20 73 74 61 63 6b 5b 30 | 5d 20 3d 20 61 74 61 6e | stack[0|] = atan|
|000013f0| 28 73 74 61 63 6b 5b 30 | 5d 29 3b 0a 20 20 20 20 |(stack[0|]);. |
|00001400| 20 20 20 20 20 20 20 20 | 62 72 65 61 6b 3b 0a 20 | |break;. |
|00001410| 20 20 20 20 20 20 20 20 | 63 61 73 65 20 31 20 3a | |case 1 :|
|00001420| 20 20 2f 2a 20 73 69 6e | 68 20 2a 2f 0a 20 20 20 | /* sin|h */. |
|00001430| 20 20 20 20 20 20 20 20 | 20 73 74 61 63 6b 5b 30 | | stack[0|
|00001440| 5d 20 3d 20 73 69 6e 68 | 28 73 74 61 63 6b 5b 30 |] = sinh|(stack[0|
|00001450| 5d 29 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |]);. | |
|00001460| 62 72 65 61 6b 3b 0a 20 | 20 20 20 20 20 20 20 20 |break;. | |
|00001470| 63 61 73 65 20 32 20 3a | 20 20 2f 2a 20 63 6f 73 |case 2 :| /* cos|
|00001480| 68 20 2a 2f 0a 20 20 20 | 20 20 20 20 20 20 20 20 |h */. | |
|00001490| 20 73 74 61 63 6b 5b 30 | 5d 20 3d 20 63 6f 73 68 | stack[0|] = cosh|
|000014a0| 28 73 74 61 63 6b 5b 30 | 5d 29 3b 0a 20 20 20 20 |(stack[0|]);. |
|000014b0| 20 20 20 20 20 20 20 20 | 62 72 65 61 6b 3b 0a 20 | |break;. |
|000014c0| 20 20 20 20 20 20 20 20 | 63 61 73 65 20 33 20 3a | |case 3 :|
|000014d0| 20 20 2f 2a 20 74 61 6e | 68 20 2a 2f 0a 20 20 20 | /* tan|h */. |
|000014e0| 20 20 20 20 20 20 20 20 | 20 73 74 61 63 6b 5b 30 | | stack[0|
|000014f0| 5d 20 3d 20 74 61 6e 68 | 28 73 74 61 63 6b 5b 30 |] = tanh|(stack[0|
|00001500| 5d 29 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |]);. | |
|00001510| 62 72 65 61 6b 3b 0a 20 | 20 20 20 20 20 20 20 20 |break;. | |
|00001520| 63 61 73 65 20 34 20 3a | 20 20 2f 2a 20 69 6e 76 |case 4 :| /* inv|
|00001530| 73 69 6e 68 20 2a 2f 0a | 20 20 20 20 20 20 20 20 |sinh */.| |
|00001540| 20 20 20 20 73 74 61 63 | 6b 5b 30 5d 20 3d 20 6c | stac|k[0] = l|
|00001550| 6f 67 28 73 74 61 63 6b | 5b 30 5d 20 2b 20 73 71 |og(stack|[0] + sq|
|00001560| 72 74 28 70 6f 77 28 73 | 74 61 63 6b 5b 30 5d 2c |rt(pow(s|tack[0],|
|00001570| 32 29 20 2b 20 31 29 29 | 3b 0a 20 20 20 20 20 20 |2) + 1))|;. |
|00001580| 20 20 20 20 20 20 62 72 | 65 61 6b 3b 0a 20 20 20 | br|eak;. |
|00001590| 20 20 20 20 20 20 63 61 | 73 65 20 35 20 3a 20 20 | ca|se 5 : |
|000015a0| 2f 2a 20 69 6e 76 63 6f | 73 68 20 2a 2f 0a 20 20 |/* invco|sh */. |
|000015b0| 20 20 20 20 20 20 20 20 | 20 20 69 6e 74 65 72 6d | | interm|
|000015c0| 65 64 69 61 74 65 20 3d | 20 70 6f 77 28 73 74 61 |ediate =| pow(sta|
|000015d0| 63 6b 5b 30 5d 2c 32 29 | 3b 0a 20 20 20 20 20 20 |ck[0],2)|;. |
|000015e0| 20 20 20 20 20 20 69 66 | 20 28 69 6e 74 65 72 6d | if| (interm|
|000015f0| 65 64 69 61 74 65 20 3c | 20 31 29 20 66 65 72 72 |ediate <| 1) ferr|
|00001600| 20 3d 20 31 3b 0a 20 20 | 20 20 20 20 20 20 20 20 | = 1;. | |
|00001610| 20 20 65 6c 73 65 20 7b | 0a 20 20 20 20 20 20 20 | else {|. |
|00001620| 20 20 20 20 20 20 20 20 | 69 6e 74 65 72 6d 65 64 | |intermed|
|00001630| 69 61 74 65 20 3d 20 73 | 74 61 63 6b 5b 30 5d 20 |iate = s|tack[0] |
|00001640| 2b 20 73 71 72 74 28 69 | 6e 74 65 72 6d 65 64 69 |+ sqrt(i|ntermedi|
|00001650| 61 74 65 20 2d 20 31 29 | 3b 0a 20 20 20 20 20 20 |ate - 1)|;. |
|00001660| 20 20 20 20 20 20 20 20 | 20 69 66 20 28 69 6e 74 | | if (int|
|00001670| 65 72 6d 65 64 69 61 74 | 65 20 3c 3d 20 30 29 20 |ermediat|e <= 0) |
|00001680| 66 65 72 72 20 3d 20 31 | 3b 0a 20 20 20 20 20 20 |ferr = 1|;. |
|00001690| 20 20 20 20 20 20 20 20 | 20 65 6c 73 65 20 73 74 | | else st|
|000016a0| 61 63 6b 5b 30 5d 20 3d | 20 6c 6f 67 28 73 74 61 |ack[0] =| log(sta|
|000016b0| 63 6b 5b 30 5d 20 2b 20 | 73 71 72 74 28 70 6f 77 |ck[0] + |sqrt(pow|
|000016c0| 28 73 74 61 63 6b 5b 30 | 5d 2c 32 29 20 2d 20 31 |(stack[0|],2) - 1|
|000016d0| 29 29 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |));. | |
|000016e0| 7d 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 62 72 |}. | br|
|000016f0| 65 61 6b 3b 0a 20 20 20 | 20 20 20 20 20 20 63 61 |eak;. | ca|
|00001700| 73 65 20 36 20 3a 20 20 | 2f 2a 20 69 6e 76 74 61 |se 6 : |/* invta|
|00001710| 6e 68 20 2a 2f 0a 20 20 | 20 20 20 20 20 20 20 20 |nh */. | |
|00001720| 20 20 69 66 20 28 73 74 | 61 63 6b 5b 30 5d 20 3d | if (st|ack[0] =|
|00001730| 3d 20 31 29 20 66 65 72 | 72 20 3d 20 31 3b 0a 20 |= 1) fer|r = 1;. |
|00001740| 20 20 20 20 20 20 20 20 | 20 20 20 65 6c 73 65 20 | | else |
|00001750| 7b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |{. | |
|00001760| 20 69 6e 74 65 72 6d 65 | 64 69 61 74 65 20 3d 20 | interme|diate = |
|00001770| 28 31 20 2b 20 73 74 61 | 63 6b 5b 30 5d 29 2f 28 |(1 + sta|ck[0])/(|
|00001780| 31 20 2d 20 73 74 61 63 | 6b 5b 30 5d 29 3b 0a 20 |1 - stac|k[0]);. |
|00001790| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 69 66 | | if|
|000017a0| 20 28 69 6e 74 65 72 6d | 65 64 69 61 74 65 20 3c | (interm|ediate <|
|000017b0| 3d 20 30 29 20 66 65 72 | 72 20 3d 20 31 3b 0a 20 |= 0) fer|r = 1;. |
|000017c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 65 6c | | el|
|000017d0| 73 65 20 73 74 61 63 6b | 5b 30 5d 20 3d 20 6c 6f |se stack|[0] = lo|
|000017e0| 67 28 69 6e 74 65 72 6d | 65 64 69 61 74 65 29 2f |g(interm|ediate)/|
|000017f0| 32 3b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 7d |2;. | }|
|00001800| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 62 72 65 |. | bre|
|00001810| 61 6b 3b 0a 20 20 20 20 | 20 20 20 20 20 63 61 73 |ak;. | cas|
|00001820| 65 20 27 6c 27 20 3a 0a | 20 20 20 20 20 20 20 20 |e 'l' :.| |
|00001830| 20 20 20 20 69 66 20 28 | 73 74 61 63 6b 5b 30 5d | if (|stack[0]|
|00001840| 20 3c 3d 20 30 29 20 66 | 65 72 72 20 3d 20 31 3b | <= 0) f|err = 1;|
|00001850| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 65 6c 73 |. | els|
|00001860| 65 20 73 74 61 63 6b 5b | 30 5d 20 3d 20 6c 6f 67 |e stack[|0] = log|
|00001870| 31 30 28 73 74 61 63 6b | 5b 30 5d 29 3b 0a 20 20 |10(stack|[0]);. |
|00001880| 20 20 20 20 20 20 20 20 | 20 20 62 72 65 61 6b 3b | | break;|
|00001890| 0a 20 20 20 20 20 20 20 | 20 20 63 61 73 65 20 27 |. | case '|
|000018a0| 6e 27 20 3a 0a 20 20 20 | 20 20 20 20 20 20 20 20 |n' :. | |
|000018b0| 20 69 66 20 28 73 74 61 | 63 6b 5b 30 5d 20 3c 3d | if (sta|ck[0] <=|
|000018c0| 20 30 29 20 66 65 72 72 | 20 3d 20 31 3b 0a 20 20 | 0) ferr| = 1;. |
|000018d0| 20 20 20 20 20 20 20 20 | 20 20 65 6c 73 65 20 73 | | else s|
|000018e0| 74 61 63 6b 5b 30 5d 20 | 3d 20 6c 6f 67 28 73 74 |tack[0] |= log(st|
|000018f0| 61 63 6b 5b 30 5d 29 3b | 0a 20 20 20 20 20 20 20 |ack[0]);|. |
|00001900| 20 20 20 20 20 62 72 65 | 61 6b 3b 0a 20 20 20 20 | bre|ak;. |
|00001910| 20 20 20 20 20 63 61 73 | 65 20 27 61 27 20 3a 20 | cas|e 'a' : |
|00001920| 20 2f 2a 20 61 62 73 6f | 6c 75 74 65 20 76 61 6c | /* abso|lute val|
|00001930| 75 65 20 2a 2f 0a 20 20 | 20 20 20 20 20 20 20 20 |ue */. | |
|00001940| 20 20 73 74 61 63 6b 5b | 30 5d 20 3d 20 66 61 62 | stack[|0] = fab|
|00001950| 73 28 73 74 61 63 6b 5b | 30 5d 29 3b 0a 20 20 20 |s(stack[|0]);. |
|00001960| 20 20 20 20 20 20 20 20 | 20 62 72 65 61 6b 3b 0a | | break;.|
|00001970| 20 20 20 20 20 20 20 20 | 20 63 61 73 65 20 27 67 | | case 'g|
|00001980| 27 20 3a 20 20 2f 2a 20 | 67 61 6d 6d 61 20 2a 2f |' : /* |gamma */|
|00001990| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 73 74 61 |. | sta|
|000019a0| 63 6b 5b 30 5d 20 3d 20 | 67 61 6d 6d 61 28 73 74 |ck[0] = |gamma(st|
|000019b0| 61 63 6b 5b 30 5d 29 3b | 0a 20 20 20 20 20 20 20 |ack[0]);|. |
|000019c0| 20 20 20 20 20 62 72 65 | 61 6b 3b 0a 20 20 20 20 | bre|ak;. |
|000019d0| 20 20 20 20 20 63 61 73 | 65 20 27 66 27 20 3a 20 | cas|e 'f' : |
|000019e0| 20 2f 2a 20 75 73 65 72 | 20 66 75 6e 63 74 69 6f | /* user| functio|
|000019f0| 6e 20 2a 2f 0a 09 20 20 | 20 20 73 74 61 63 6b 5b |n */.. | stack[|
|00001a00| 30 5d 20 3d 20 66 66 28 | 73 74 61 63 6b 5b 30 5d |0] = ff(|stack[0]|
|00001a10| 2c 30 2c 31 29 3b 0a 20 | 20 20 20 20 20 20 20 20 |,0,1);. | |
|00001a20| 20 20 20 62 72 65 61 6b | 3b 0a 20 20 20 20 20 20 | break|;. |
|00001a30| 20 20 20 70 6f 70 73 74 | 61 63 6b 3a 0a 20 20 20 | popst|ack:. |
|00001a40| 20 20 20 20 20 20 20 20 | 20 68 65 69 67 68 74 2d | | height-|
|00001a50| 2d 3b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 66 |-;. | f|
|00001a60| 6f 72 20 28 69 69 20 3d | 20 31 3b 20 69 69 20 3c |or (ii =| 1; ii <|
|00001a70| 20 68 65 69 67 68 74 3b | 20 69 69 2b 2b 29 20 73 | height;| ii++) s|
|00001a80| 74 61 63 6b 5b 69 69 5d | 20 3d 20 73 74 61 63 6b |tack[ii]| = stack|
|00001a90| 5b 69 69 2b 31 5d 3b 0a | 20 20 20 20 20 20 20 20 |[ii+1];.| |
|00001aa0| 20 20 20 20 62 72 65 61 | 6b 3b 0a 20 20 20 20 20 | brea|k;. |
|00001ab0| 20 7d 0a 20 20 20 20 20 | 20 69 66 20 28 28 73 74 | }. | if ((st|
|00001ac0| 61 63 6b 5b 30 5d 20 3c | 20 2d 32 20 2a 20 4d 41 |ack[0] <| -2 * MA|
|00001ad0| 58 44 4f 55 42 4c 45 29 | 20 7c 7c 20 28 73 74 61 |XDOUBLE)| || (sta|
|00001ae0| 63 6b 5b 30 5d 20 3e 20 | 32 20 2a 20 4d 41 58 44 |ck[0] > |2 * MAXD|
|00001af0| 4f 55 42 4c 45 29 29 20 | 66 65 72 72 20 3d 20 31 |OUBLE)) |ferr = 1|
|00001b00| 3b 20 20 2f 2a 20 72 6f | 75 6e 64 6f 66 66 20 6d |; /* ro|undoff m|
|00001b10| 61 6b 65 73 20 4d 41 58 | 44 4f 55 42 4c 45 20 3e |akes MAX|DOUBLE >|
|00001b20| 20 4d 41 58 44 4f 55 42 | 4c 45 20 2a 2f 0a 20 20 | MAXDOUB|LE */. |
|00001b30| 20 20 20 20 69 66 20 28 | 66 65 72 72 29 20 72 65 | if (|ferr) re|
|00001b40| 74 75 72 6e 28 30 29 3b | 0a 20 20 20 7d 0a 20 20 |turn(0);|. }. |
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|00001b80| 6e 64 65 64 20 2a 2f 0a | 20 20 20 72 65 74 75 72 |nded */.| retur|
|00001b90| 6e 28 73 74 61 63 6b 5b | 30 5d 29 3b 0a 7d 0a 0a |n(stack[|0]);.}..|
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|00001bb0| 72 75 63 74 20 65 78 63 | 65 70 74 69 6f 6e 20 2a |ruct exc|eption *|
|00001bc0| 65 29 0a 7b 0a 20 20 20 | 66 65 72 72 20 3d 20 31 |e).{. |ferr = 1|
|00001bd0| 3b 0a 20 20 20 72 65 74 | 75 72 6e 28 31 29 3b 0a |;. ret|urn(1);.|
|00001be0| 7d 0a 0a 0a 0a 64 6f 75 | 62 6c 65 20 67 61 6d 6d |}....dou|ble gamm|
|00001bf0| 61 28 64 6f 75 62 6c 65 | 20 61 72 67 29 0a 7b 0a |a(double| arg).{.|
|00001c00| 20 20 20 64 6f 75 62 6c | 65 20 78 78 2c 20 74 6f | doubl|e xx, to|
|00001c10| 74 61 6c 3b 0a 20 20 20 | 63 68 61 72 20 69 69 3b |tal;. |char ii;|
|00001c20| 0a 20 20 20 2f 2a 20 6d | 61 67 69 63 20 67 61 6d |. /* m|agic gam|
|00001c30| 6d 61 20 67 65 6e 65 72 | 61 74 69 6e 67 20 63 6f |ma gener|ating co|
|00001c40| 65 66 66 69 63 69 65 6e | 74 73 20 2a 2f 0a 20 20 |efficien|ts */. |
|00001c50| 20 73 74 61 74 69 63 20 | 64 6f 75 62 6c 65 20 63 | static |double c|
|00001c60| 6f 65 66 5b 37 5d 20 3d | 20 7b 20 30 2e 39 38 38 |oef[7] =| { 0.988|
|00001c70| 32 30 35 38 39 31 2c 2d | 30 2e 38 39 37 30 35 36 |205891,-|0.897056|
|00001c80| 39 33 37 2c 20 30 2e 39 | 31 38 32 30 36 38 35 37 |937, 0.9|18206857|
|00001c90| 2c 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |,. | |
|00001ca0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 2d 30 | | -0|
|00001cb0| 2e 37 35 36 37 30 34 30 | 37 38 2c 20 30 2e 34 38 |.7567040|78, 0.48|
|00001cc0| 32 31 39 39 33 39 34 2c | 2d 30 2e 31 39 33 35 32 |2199394,|-0.19352|
|00001cd0| 37 38 31 38 2c 0a 20 20 | 20 20 20 20 20 20 20 20 |7818,. | |
|00001ce0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00001cf0| 20 20 20 30 2e 30 33 35 | 38 36 38 33 34 33 7d 3b | 0.035|868343};|
|00001d00| 0a 0a 20 20 20 69 66 20 | 28 21 73 74 6f 70 20 26 |.. if |(!stop &|
|00001d10| 26 20 6b 62 68 69 74 28 | 29 29 20 7b 0a 20 20 20 |& kbhit(|)) {. |
|00001d20| 20 20 20 69 69 20 3d 20 | 67 65 74 63 68 28 29 3b | ii = |getch();|
|00001d30| 0a 20 20 20 20 20 20 69 | 66 20 28 69 69 20 3d 3d |. i|f (ii ==|
|00001d40| 20 27 20 27 29 20 73 74 | 6f 70 20 3d 20 32 3b 0a | ' ') st|op = 2;.|
|00001d50| 20 20 20 20 20 20 69 66 | 20 28 69 69 20 3d 3d 20 | if| (ii == |
|00001d60| 32 34 29 20 74 65 72 6d | 69 6e 61 74 65 28 29 3b |24) term|inate();|
|00001d70| 0a 20 20 20 20 20 20 69 | 66 20 28 69 69 20 3d 3d |. i|f (ii ==|
|00001d80| 20 32 37 29 20 7b 0a 20 | 20 20 20 20 20 20 20 20 | 27) {. | |
|00001d90| 73 74 6f 70 20 3d 20 31 | 3b 0a 20 20 20 20 20 20 |stop = 1|;. |
|00001da0| 20 20 20 72 65 74 75 72 | 6e 28 30 29 3b 0a 20 20 | retur|n(0);. |
|00001db0| 20 20 20 20 7d 0a 20 20 | 20 7d 0a 20 20 20 69 66 | }. | }. if|
|00001dc0| 20 28 61 72 67 20 3c 3d | 20 30 29 20 7b 0a 20 20 | (arg <=| 0) {. |
|00001dd0| 20 20 20 20 69 66 20 28 | 61 72 67 20 3d 3d 20 66 | if (|arg == f|
|00001de0| 6c 6f 6f 72 28 61 72 67 | 29 29 20 7b 0a 20 20 20 |loor(arg|)) {. |
|00001df0| 20 20 20 20 20 20 66 65 | 72 72 20 3d 20 31 3b 0a | fe|rr = 1;.|
|00001e00| 20 20 20 20 20 20 20 20 | 20 72 65 74 75 72 6e 28 | | return(|
|00001e10| 30 29 3b 0a 20 20 20 20 | 20 20 7d 0a 20 20 20 20 |0);. | }. |
|00001e20| 20 20 65 6c 73 65 20 7b | 0a 20 20 20 20 20 20 20 | else {|. |
|00001e30| 20 20 61 72 67 20 3d 20 | 2d 61 72 67 20 2b 20 31 | arg = |-arg + 1|
|00001e40| 3b 20 20 2f 2a 20 72 65 | 63 75 72 73 65 20 69 66 |; /* re|curse if|
|00001e50| 20 78 20 3c 20 30 20 2a | 2f 0a 20 20 20 20 20 20 | x < 0 *|/. |
|00001e60| 20 20 20 72 65 74 75 72 | 6e 28 4d 5f 50 49 2f 28 | retur|n(M_PI/(|
|00001e70| 67 61 6d 6d 61 28 61 72 | 67 29 2a 73 69 6e 28 4d |gamma(ar|g)*sin(M|
|00001e80| 5f 50 49 2a 61 72 67 29 | 29 29 3b 0a 20 20 20 20 |_PI*arg)|));. |
|00001e90| 20 20 7d 0a 20 20 20 7d | 0a 20 20 20 65 6c 73 65 | }. }|. else|
|00001ea0| 20 69 66 20 28 61 72 67 | 20 3c 20 31 29 20 72 65 | if (arg| < 1) re|
|00001eb0| 74 75 72 6e 28 67 61 6d | 6d 61 28 61 72 67 2b 31 |turn(gam|ma(arg+1|
|00001ec0| 29 2f 61 72 67 29 3b 20 | 20 2f 2a 20 72 65 63 75 |)/arg); | /* recu|
|00001ed0| 72 73 65 20 69 66 20 78 | 20 3c 20 31 20 2a 2f 0a |rse if x| < 1 */.|
|00001ee0| 20 20 20 65 6c 73 65 20 | 69 66 20 28 61 72 67 20 | else |if (arg |
|00001ef0| 3c 3d 20 32 29 20 7b 0a | 20 20 20 20 20 20 61 72 |<= 2) {.| ar|
|00001f00| 67 2d 2d 3b 0a 20 20 20 | 20 20 20 74 6f 74 61 6c |g--;. | total|
|00001f10| 20 3d 20 31 20 2d 20 30 | 2e 35 37 37 31 39 31 36 | = 1 - 0|.5771916|
|00001f20| 35 32 20 2a 20 61 72 67 | 3b 0a 20 20 20 20 20 20 |52 * arg|;. |
|00001f30| 78 78 20 3d 20 61 72 67 | 3b 0a 20 20 20 20 20 20 |xx = arg|;. |
|00001f40| 66 6f 72 20 28 69 69 20 | 3d 20 30 3b 20 69 69 20 |for (ii |= 0; ii |
|00001f50| 3c 3d 20 36 3b 20 69 69 | 2b 2b 29 20 7b 0a 20 20 |<= 6; ii|++) {. |
|00001f60| 20 20 20 20 20 20 20 78 | 78 20 2a 3d 20 61 72 67 | x|x *= arg|
|00001f70| 3b 0a 20 20 20 20 20 20 | 20 20 20 74 6f 74 61 6c |;. | total|
|00001f80| 20 2b 3d 20 63 6f 65 66 | 5b 69 69 5d 20 2a 20 78 | += coef|[ii] * x|
|00001f90| 78 3b 0a 20 20 20 20 20 | 20 7d 0a 20 20 20 20 20 |x;. | }. |
|00001fa0| 20 72 65 74 75 72 6e 28 | 74 6f 74 61 6c 29 3b 0a | return(|total);.|
|00001fb0| 20 20 20 7d 0a 20 20 20 | 65 6c 73 65 20 7b 20 20 | }. |else { |
|00001fc0| 2f 2a 20 61 72 67 20 3e | 20 32 20 2a 2f 0a 20 20 |/* arg >| 2 */. |
|00001fd0| 20 20 20 20 78 78 20 3d | 20 61 72 67 20 2a 20 61 | xx =| arg * a|
|00001fe0| 72 67 3b 20 20 2f 2a 20 | 61 6e 6f 74 68 65 72 20 |rg; /* |another |
|00001ff0| 61 70 70 72 6f 78 69 6d | 61 74 69 6f 6e 20 66 6f |approxim|ation fo|
|00002000| 72 20 6c 61 72 67 65 72 | 20 78 20 2a 2f 0a 20 20 |r larger| x */. |
|00002010| 20 20 20 20 74 6f 74 61 | 6c 20 3d 20 28 61 72 67 | tota|l = (arg|
|00002020| 20 2d 20 30 2e 35 29 20 | 2a 20 6c 6f 67 28 61 72 | - 0.5) |* log(ar|
|00002030| 67 29 3b 0a 20 20 20 20 | 20 20 74 6f 74 61 6c 20 |g);. | total |
|00002040| 2d 3d 20 61 72 67 3b 0a | 20 20 20 20 20 20 74 6f |-= arg;.| to|
|00002050| 74 61 6c 20 2b 3d 20 6c | 6f 67 28 32 20 2a 20 4d |tal += l|og(2 * M|
|00002060| 5f 50 49 29 20 2f 20 32 | 3b 0a 20 20 20 20 20 20 |_PI) / 2|;. |
|00002070| 74 6f 74 61 6c 20 2b 3d | 20 31 20 2f 20 28 31 32 |total +=| 1 / (12|
|00002080| 20 2a 20 61 72 67 29 3b | 0a 20 20 20 20 20 20 74 | * arg);|. t|
|00002090| 6f 74 61 6c 20 2d 3d 20 | 31 20 2f 20 28 33 36 30 |otal -= |1 / (360|
|000020a0| 20 2a 20 61 72 67 20 2a | 20 78 78 29 3b 0a 20 20 | * arg *| xx);. |
|000020b0| 20 20 20 20 74 6f 74 61 | 6c 20 2b 3d 20 31 20 2f | tota|l += 1 /|
|000020c0| 20 28 31 32 36 30 20 2a | 20 61 72 67 20 2a 20 78 | (1260 *| arg * x|
|000020d0| 78 20 2a 20 78 78 29 3b | 0a 20 20 20 20 20 20 74 |x * xx);|. t|
|000020e0| 6f 74 61 6c 20 2d 3d 20 | 61 72 67 20 2f 20 28 31 |otal -= |arg / (1|
|000020f0| 36 38 30 20 2a 20 78 78 | 20 2a 20 78 78 20 2a 20 |680 * xx| * xx * |
|00002100| 78 78 20 2a 20 78 78 29 | 3b 0a 20 20 20 20 20 20 |xx * xx)|;. |
|00002110| 72 65 74 75 72 6e 28 65 | 78 70 28 74 6f 74 61 6c |return(e|xp(total|
|00002120| 29 29 3b 0a 20 20 20 7d | 0a 7d 0a 0a 0a 0a 0a 0a |));. }|.}......|
|00002130| 2f 2a 20 65 72 72 6f 72 | 6d 65 73 73 61 67 65 73 |/* error|messages|
|00002140| 20 2a 2f 0a 20 20 20 63 | 68 61 72 20 65 72 72 6f | */. c|har erro|
|00002150| 72 6c 69 73 74 5b 36 5d | 5b 34 35 5d 20 3d 20 7b |rlist[6]|[45] = {|
|00002160| 22 56 61 6c 75 65 73 20 | 6d 75 73 74 20 70 72 65 |"Values |must pre|
|00002170| 63 65 64 65 20 65 61 63 | 68 20 62 69 6e 61 72 79 |cede eac|h binary|
|00002180| 20 6f 70 65 72 61 74 6f | 72 2e 22 2c 5c 0a 20 20 | operato|r.",\. |
|00002190| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|000021a0| 20 20 20 20 20 20 20 20 | 20 20 22 55 6e 6d 61 74 | | "Unmat|
|000021b0| 63 68 65 64 20 72 69 67 | 68 74 20 70 61 72 65 6e |ched rig|ht paren|
|000021c0| 74 68 65 73 69 73 2e 22 | 2c 5c 0a 20 20 20 20 20 |thesis."|,\. |
|000021d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|000021e0| 20 20 20 20 20 20 20 22 | 45 78 70 72 65 73 73 69 | "|Expressi|
|000021f0| 6f 6e 20 6d 75 73 74 20 | 65 6e 64 20 77 69 74 68 |on must |end with|
|00002200| 20 76 61 6c 75 65 2e 22 | 2c 5c 0a 20 20 20 20 20 | value."|,\. |
|00002210| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00002220| 20 20 20 20 20 20 20 22 | 53 74 61 63 6b 20 6f 76 | "|Stack ov|
|00002230| 65 72 66 6c 6f 77 2e 22 | 2c 5c 0a 20 20 20 20 20 |erflow."|,\. |
|00002240| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00002250| 20 20 20 20 20 20 20 22 | 46 75 6e 63 74 69 6f 6e | "|Function|
|00002260| 20 65 6e 64 73 20 69 6e | 20 6f 70 65 72 61 74 6f | ends in| operato|
|00002270| 72 2e 22 2c 5c 0a 20 20 | 20 20 20 20 20 20 20 20 |r.",\. | |
|00002280| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00002290| 20 20 22 55 6e 62 61 6c | 61 6e 63 65 64 20 70 61 | "Unbal|anced pa|
|000022a0| 72 65 6e 74 68 65 73 65 | 73 2e 22 7d 3b 0a 0a 0a |renthese|s."};...|
|000022b0| 0a 69 6e 74 20 63 6f 6e | 76 65 72 74 28 63 68 61 |.int con|vert(cha|
|000022c0| 72 20 73 74 72 69 6e 67 | 5b 5d 2c 20 63 68 61 72 |r string|[], char|
|000022d0| 20 2a 2a 65 72 72 6f 72 | 6d 73 67 2c 20 63 68 61 | **error|msg, cha|
|000022e0| 72 20 73 74 61 63 6b 6e | 6f 29 0a 7b 0a 20 20 20 |r stackn|o).{. |
|000022f0| 75 6e 73 69 67 6e 65 64 | 20 63 68 61 72 20 66 69 |unsigned| char fi|
|00002300| 6e 64 65 78 3b 0a 20 20 | 20 63 68 61 72 20 2a 63 |ndex;. | char *c|
|00002310| 75 72 73 6f 72 2c 20 76 | 61 6c 75 65 2c 20 69 6e |ursor, v|alue, in|
|00002320| 76 65 72 73 65 3b 0a 20 | 20 20 63 68 61 72 20 63 |verse;. | char c|
|00002330| 73 74 61 63 6b 5b 31 30 | 30 5d 2c 20 63 73 74 61 |stack[10|0], csta|
|00002340| 63 6b 74 6f 70 3b 0a 20 | 20 20 23 64 65 66 69 6e |cktop;. | #defin|
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|00002380| 73 74 61 63 6b 2c 26 63 | 73 74 61 63 6b 74 6f 70 |stack,&c|stacktop|
|00002390| 2c 66 73 74 61 63 6b 5b | 73 74 61 63 6b 6e 6f 5d |,fstack[|stackno]|
|000023a0| 29 0a 0a 20 20 20 63 75 | 72 73 6f 72 20 3d 20 73 |).. cu|rsor = s|
|000023b0| 74 72 69 6e 67 3b 0a 20 | 20 20 66 69 6e 64 65 78 |tring;. | findex|
|000023c0| 20 3d 20 76 61 6c 75 65 | 20 3d 20 69 6e 76 65 72 | = value| = inver|
|000023d0| 73 65 20 3d 20 30 3b 0a | 20 20 20 63 73 74 61 63 |se = 0;.| cstac|
|000023e0| 6b 5b 30 5d 20 3d 20 27 | 28 27 3b 20 20 2f 2a 20 |k[0] = '|('; /* |
|000023f0| 69 6e 69 74 69 61 6c 69 | 7a 65 20 63 73 74 61 63 |initiali|ze cstac|
|00002400| 6b 20 2a 2f 0a 20 20 20 | 63 73 74 61 63 6b 74 6f |k */. |cstackto|
|00002410| 70 20 3d 20 30 3b 0a 20 | 20 20 77 68 69 6c 65 20 |p = 0;. | while |
|00002420| 28 2a 63 75 72 73 6f 72 | 20 21 3d 20 30 29 20 7b |(*cursor| != 0) {|
|00002430| 0a 20 20 20 20 20 20 73 | 77 69 74 63 68 20 28 2a |. s|witch (*|
|00002440| 63 75 72 73 6f 72 29 20 | 7b 0a 20 20 20 20 20 20 |cursor) |{. |
|00002450| 20 20 20 63 61 73 65 20 | 27 3d 27 20 3a 20 20 2f | case |'=' : /|
|00002460| 2a 20 65 78 70 6c 69 63 | 69 74 20 64 65 66 69 6e |* explic|it defin|
|00002470| 69 74 69 6f 6e 20 2a 2f | 0a 20 20 20 20 20 20 20 |ition */|. |
|00002480| 20 20 20 20 20 63 75 72 | 73 6f 72 2b 2b 3b 0a 20 | cur|sor++;. |
|00002490| 20 20 20 20 20 20 20 20 | 20 20 20 66 69 6e 64 65 | | finde|
|000024a0| 78 20 3d 20 76 61 6c 75 | 65 20 3d 20 69 6e 76 65 |x = valu|e = inve|
|000024b0| 72 73 65 20 3d 20 30 3b | 20 20 2f 2a 20 64 69 73 |rse = 0;| /* dis|
|000024c0| 63 61 72 64 20 65 76 65 | 72 79 74 68 69 6e 67 20 |card eve|rything |
|000024d0| 61 6e 64 20 73 74 61 72 | 74 20 6f 76 65 72 20 2a |and star|t over *|
|000024e0| 2f 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 63 73 |/. | cs|
|000024f0| 74 61 63 6b 5b 30 5d 20 | 3d 20 27 28 27 3b 0a 20 |tack[0] |= '(';. |
|00002500| 20 20 20 20 20 20 20 20 | 20 20 20 63 73 74 61 63 | | cstac|
|00002510| 6b 74 6f 70 20 3d 20 30 | 3b 0a 20 20 20 20 20 20 |ktop = 0|;. |
|00002520| 20 20 20 20 20 20 62 72 | 65 61 6b 3b 0a 20 20 20 | br|eak;. |
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|00002580| 20 20 20 20 20 20 20 20 | 20 20 20 20 62 72 65 61 | | brea|
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|00002680| 20 20 20 20 20 20 20 20 | 20 20 69 66 20 28 76 61 | | if (va|
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|00002760| 73 74 6f 72 65 20 6e 75 | 6d 62 65 72 20 2a 2f 0a |store nu|mber */.|
|00002770| 20 20 20 20 20 20 20 20 | 20 20 20 20 66 69 6e 64 | | find|
|00002780| 65 78 2b 2b 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |ex++;. | |
|00002790| 20 20 76 61 6c 75 65 20 | 3d 20 31 3b 0a 20 20 20 | value |= 1;. |
|000027a0| 20 20 20 20 20 20 20 20 | 20 62 72 65 61 6b 3b 0a | | break;.|
|000027b0| 20 20 20 20 20 20 20 20 | 20 63 61 73 65 20 27 78 | | case 'x|
|000027c0| 27 20 3a 20 20 2f 2a 20 | 76 61 72 69 61 62 6c 65 |' : /* |variable|
|000027d0| 73 20 2a 2f 0a 20 20 20 | 20 20 20 20 20 20 63 61 |s */. | ca|
|000027e0| 73 65 20 27 79 27 20 3a | 0a 20 20 20 20 20 20 20 |se 'y' :|. |
|000027f0| 20 20 63 61 73 65 20 27 | 6f 27 20 3a 20 20 2f 2a | case '|o' : /*|
|00002800| 20 74 68 65 74 61 20 2a | 2f 0a 20 20 20 20 20 20 | theta *|/. |
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|00002820| 20 20 20 20 20 20 20 63 | 61 73 65 20 27 75 27 20 | c|ase 'u' |
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|00002840| 27 70 27 20 3a 20 20 2f | 2a 20 70 69 20 2a 2f 0a |'p' : /|* pi */.|
|00002850| 20 20 20 20 20 20 20 20 | 20 63 61 73 65 20 27 65 | | case 'e|
|00002860| 27 20 3a 20 20 2f 2a 20 | 65 20 2a 2f 0a 20 20 20 |' : /* |e */. |
|00002870| 20 20 20 20 20 20 63 61 | 73 65 20 27 21 27 20 3a | ca|se '!' :|
|00002880| 20 20 2f 2a 20 69 6e 66 | 69 6e 69 74 79 20 2a 2f | /* inf|inity */|
|00002890| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 69 66 20 |. | if |
|000028a0| 28 76 61 6c 75 65 29 20 | 50 52 4f 43 45 53 53 28 |(value) |PROCESS(|
|000028b0| 27 24 27 29 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |'$');. | |
|000028c0| 20 20 73 77 69 74 63 68 | 20 28 2a 63 75 72 73 6f | switch| (*curso|
|000028d0| 72 29 20 7b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |r) {. | |
|000028e0| 20 20 20 20 63 61 73 65 | 20 27 70 27 20 3a 0a 20 | case| 'p' :. |
|000028f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00002900| 20 66 73 74 61 63 6b 5b | 73 74 61 63 6b 6e 6f 5d | fstack[|stackno]|
|00002910| 5b 66 69 6e 64 65 78 5d | 2e 6f 70 65 72 61 74 6f |[findex]|.operato|
|00002920| 72 20 3d 20 27 23 27 3b | 0a 20 20 20 20 20 20 20 |r = '#';|. |
|00002930| 20 20 20 20 20 20 20 20 | 20 20 20 66 73 74 61 63 | | fstac|
|00002940| 6b 5b 73 74 61 63 6b 6e | 6f 5d 5b 66 69 6e 64 65 |k[stackn|o][finde|
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|000037d0| 67 20 3d 20 65 72 72 6f | 72 6c 69 73 74 5b 33 5d |g = erro|rlist[3]|
|000037e0| 3b 0a 20 20 20 20 20 20 | 20 20 20 72 65 74 75 72 |;. | retur|
|000037f0| 6e 28 63 75 72 73 6f 72 | 2d 73 74 72 69 6e 67 29 |n(cursor|-string)|
|00003800| 3b 20 20 2f 2a 20 73 74 | 61 63 6b 20 6f 76 65 72 |; /* st|ack over|
|00003810| 66 6c 6f 77 20 2a 2f 0a | 20 20 20 20 20 20 7d 0a |flow */.| }.|
|00003820| 20 20 20 7d 0a 20 20 20 | 69 66 20 28 21 76 61 6c | }. |if (!val|
|00003830| 75 65 29 20 7b 0a 20 20 | 20 20 20 20 69 66 20 28 |ue) {. | if (|
|00003840| 65 72 72 6f 72 6d 73 67 | 20 21 3d 20 4e 55 4c 4c |errormsg| != NULL|
|00003850| 29 20 2a 65 72 72 6f 72 | 6d 73 67 20 3d 20 65 72 |) *error|msg = er|
|00003860| 72 6f 72 6c 69 73 74 5b | 34 5d 3b 0a 20 20 20 20 |rorlist[|4];. |
|00003870| 20 20 72 65 74 75 72 6e | 28 63 75 72 73 6f 72 2d | return|(cursor-|
|00003880| 31 2d 73 74 72 69 6e 67 | 29 3b 20 20 2f 2a 20 66 |1-string|); /* f|
|00003890| 75 6e 63 74 69 6f 6e 20 | 65 6e 64 73 20 77 69 74 |unction |ends wit|
|000038a0| 68 20 6f 70 65 72 61 74 | 6f 72 2c 20 72 65 74 75 |h operat|or, retu|
|000038b0| 72 6e 20 6c 6f 63 61 74 | 69 6f 6e 20 65 72 72 6f |rn locat|ion erro|
|000038c0| 72 20 2a 2f 0a 20 20 20 | 7d 0a 20 20 20 50 52 4f |r */. |}. PRO|
|000038d0| 43 45 53 53 28 27 29 27 | 29 3b 20 20 2f 2a 20 66 |CESS(')'|); /* f|
|000038e0| 6c 75 73 68 20 63 6f 6e | 76 65 72 73 69 6f 6e 20 |lush con|version |
|000038f0| 73 74 61 63 6b 20 2a 2f | 0a 20 20 20 69 66 20 28 |stack */|. if (|
|00003900| 63 73 74 61 63 6b 74 6f | 70 20 21 3d 20 30 29 20 |cstackto|p != 0) |
|00003910| 7b 20 20 2f 2a 20 75 6e | 62 61 6c 61 6e 63 65 64 |{ /* un|balanced|
|00003920| 20 70 61 72 65 6e 73 20 | 2a 2f 0a 20 20 20 20 20 | parens |*/. |
|00003930| 20 69 66 20 28 65 72 72 | 6f 72 6d 73 67 20 21 3d | if (err|ormsg !=|
|00003940| 20 4e 55 4c 4c 29 20 2a | 65 72 72 6f 72 6d 73 67 | NULL) *|errormsg|
|00003950| 20 3d 20 65 72 72 6f 72 | 6c 69 73 74 5b 35 5d 3b | = error|list[5];|
|00003960| 0a 20 20 20 20 20 20 72 | 65 74 75 72 6e 28 63 75 |. r|eturn(cu|
|00003970| 72 73 6f 72 2d 73 74 72 | 69 6e 67 29 3b 0a 20 20 |rsor-str|ing);. |
|00003980| 20 7d 0a 20 20 20 69 66 | 20 28 66 69 6e 64 65 78 | }. if| (findex|
|00003990| 20 3e 3d 20 39 39 29 20 | 7b 0a 20 20 20 20 20 20 | >= 99) |{. |
|000039a0| 69 66 20 28 65 72 72 6f | 72 6d 73 67 20 21 3d 20 |if (erro|rmsg != |
|000039b0| 4e 55 4c 4c 29 20 2a 65 | 72 72 6f 72 6d 73 67 20 |NULL) *e|rrormsg |
|000039c0| 3d 20 65 72 72 6f 72 6c | 69 73 74 5b 33 5d 3b 0a |= errorl|ist[3];.|
|000039d0| 20 20 20 20 20 20 72 65 | 74 75 72 6e 28 63 75 72 | re|turn(cur|
|000039e0| 73 6f 72 2d 73 74 72 69 | 6e 67 29 3b 20 20 2f 2a |sor-stri|ng); /*|
|000039f0| 20 73 74 61 63 6b 20 6f | 76 65 72 66 6c 6f 77 20 | stack o|verflow |
|00003a00| 6f 72 20 75 6e 62 61 6c | 61 6e 63 65 64 20 70 61 |or unbal|anced pa|
|00003a10| 72 65 6e 73 20 2a 2f 0a | 20 20 20 7d 0a 20 20 20 |rens */.| }. |
|00003a20| 66 73 74 61 63 6b 5b 73 | 74 61 63 6b 6e 6f 5d 5b |fstack[s|tackno][|
|00003a30| 66 69 6e 64 65 78 5d 2e | 6f 70 65 72 61 74 6f 72 |findex].|operator|
|00003a40| 20 3d 20 27 3d 27 3b 0a | 20 20 20 72 65 74 75 72 | = '=';.| retur|
|00003a50| 6e 28 2d 31 29 3b 0a 7d | 0a 0a 76 6f 69 64 20 70 |n(-1);.}|..void p|
|00003a60| 72 6f 63 65 73 73 28 63 | 68 61 72 20 6f 70 65 72 |rocess(c|har oper|
|00003a70| 61 74 6f 72 2c 75 6e 73 | 69 67 6e 65 64 20 63 68 |ator,uns|igned ch|
|00003a80| 61 72 20 2a 66 69 6e 64 | 65 78 2c 63 68 61 72 20 |ar *find|ex,char |
|00003a90| 63 73 74 61 63 6b 5b 5d | 2c 63 68 61 72 20 2a 63 |cstack[]|,char *c|
|00003aa0| 73 74 61 63 6b 74 6f 70 | 2c 74 65 72 6d 20 66 73 |stacktop|,term fs|
|00003ab0| 74 61 63 6b 5b 5d 29 0a | 7b 0a 20 20 20 63 68 61 |tack[]).|{. cha|
|00003ac0| 72 20 70 75 73 68 70 72 | 65 63 3b 0a 20 20 20 70 |r pushpr|ec;. p|
|00003ad0| 75 73 68 70 72 65 63 20 | 3d 20 70 72 65 63 65 64 |ushprec |= preced|
|00003ae0| 65 6e 63 65 28 6f 70 65 | 72 61 74 6f 72 2c 31 29 |ence(ope|rator,1)|
|00003af0| 3b 0a 20 20 20 77 68 69 | 6c 65 20 28 70 72 65 63 |;. whi|le (prec|
|00003b00| 65 64 65 6e 63 65 28 63 | 73 74 61 63 6b 5b 2a 63 |edence(c|stack[*c|
|00003b10| 73 74 61 63 6b 74 6f 70 | 5d 2c 30 29 20 3e 3d 20 |stacktop|],0) >= |
|00003b20| 70 75 73 68 70 72 65 63 | 29 20 7b 0a 20 20 20 20 |pushprec|) {. |
|00003b30| 20 20 69 66 20 28 63 73 | 74 61 63 6b 5b 2a 63 73 | if (cs|tack[*cs|
|00003b40| 74 61 63 6b 74 6f 70 5d | 20 3d 3d 20 27 24 27 29 |tacktop]| == '$')|
|00003b50| 20 63 73 74 61 63 6b 5b | 2a 63 73 74 61 63 6b 74 | cstack[|*cstackt|
|00003b60| 6f 70 5d 20 3d 20 27 2a | 27 3b 0a 20 20 20 20 20 |op] = '*|';. |
|00003b70| 20 66 73 74 61 63 6b 5b | 2a 66 69 6e 64 65 78 5d | fstack[|*findex]|
|00003b80| 2e 6f 70 65 72 61 74 6f | 72 20 3d 20 63 73 74 61 |.operato|r = csta|
|00003b90| 63 6b 5b 2a 63 73 74 61 | 63 6b 74 6f 70 5d 3b 0a |ck[*csta|cktop];.|
|00003ba0| 20 20 20 20 20 20 69 66 | 20 28 2b 2b 28 2a 66 69 | if| (++(*fi|
|00003bb0| 6e 64 65 78 29 20 3e 3d | 20 39 39 29 20 62 72 65 |ndex) >=| 99) bre|
|00003bc0| 61 6b 3b 20 20 2f 2a 20 | 73 74 61 63 6b 20 6f 76 |ak; /* |stack ov|
|00003bd0| 65 72 66 6c 6f 77 20 2a | 2f 0a 20 20 20 20 20 20 |erflow *|/. |
|00003be0| 28 2a 63 73 74 61 63 6b | 74 6f 70 29 2d 2d 3b 0a |(*cstack|top)--;.|
|00003bf0| 20 20 20 7d 0a 20 20 20 | 69 66 20 28 28 6f 70 65 | }. |if ((ope|
|00003c00| 72 61 74 6f 72 20 21 3d | 20 27 29 27 29 20 26 26 |rator !=| ')') &&|
|00003c10| 20 28 2a 63 73 74 61 63 | 6b 74 6f 70 20 3c 20 39 | (*cstac|ktop < 9|
|00003c20| 39 29 29 20 7b 0a 20 20 | 20 20 20 20 28 2a 63 73 |9)) {. | (*cs|
|00003c30| 74 61 63 6b 74 6f 70 29 | 2b 2b 3b 0a 20 20 20 20 |tacktop)|++;. |
|00003c40| 20 20 63 73 74 61 63 6b | 5b 2a 63 73 74 61 63 6b | cstack|[*cstack|
|00003c50| 74 6f 70 5d 20 3d 20 6f | 70 65 72 61 74 6f 72 3b |top] = o|perator;|
|00003c60| 0a 20 20 20 7d 0a 7d 0a | 0a 63 68 61 72 20 70 72 |. }.}.|.char pr|
|00003c70| 65 63 65 64 65 6e 63 65 | 28 63 68 61 72 20 6f 70 |ecedence|(char op|
|00003c80| 65 72 61 74 6f 72 2c 20 | 63 68 61 72 20 70 75 73 |erator, |char pus|
|00003c90| 68 29 0a 7b 0a 20 20 20 | 73 77 69 74 63 68 20 28 |h).{. |switch (|
|00003ca0| 6f 70 65 72 61 74 6f 72 | 29 20 7b 0a 20 20 20 20 |operator|) {. |
|00003cb0| 20 20 63 61 73 65 20 27 | 28 27 20 3a 0a 20 20 20 | case '|(' :. |
|00003cc0| 20 20 20 20 20 20 72 65 | 74 75 72 6e 28 70 75 73 | re|turn(pus|
|00003cd0| 68 20 3f 20 31 30 20 3a | 20 30 29 3b 0a 20 20 20 |h ? 10 :| 0);. |
|00003ce0| 20 20 20 63 61 73 65 20 | 27 29 27 20 3a 0a 20 20 | case |')' :. |
|00003cf0| 20 20 20 20 20 20 20 72 | 65 74 75 72 6e 28 31 29 | r|eturn(1)|
|00003d00| 3b 0a 20 20 20 20 20 20 | 63 61 73 65 20 27 3d 27 |;. |case '='|
|00003d10| 20 3a 20 20 2f 2a 20 65 | 6e 64 20 6f 66 20 64 65 | : /* e|nd of de|
|00003d20| 72 69 76 61 74 69 76 65 | 20 2a 2f 0a 20 20 20 20 |rivative| */. |
|00003d30| 20 20 20 20 20 72 65 74 | 75 72 6e 28 39 29 3b 0a | ret|urn(9);.|
|00003d40| 20 20 20 20 20 20 63 61 | 73 65 20 27 24 27 20 3a | ca|se '$' :|
|00003d50| 20 20 2f 2a 20 69 6d 70 | 6c 69 63 69 74 20 6d 75 | /* imp|licit mu|
|00003d60| 6c 74 69 70 6c 69 63 61 | 74 69 6f 6e 20 2a 2f 0a |ltiplica|tion */.|
|00003d70| 20 20 20 20 20 20 20 20 | 20 72 65 74 75 72 6e 28 | | return(|
|00003d80| 36 29 3b 0a 20 20 20 20 | 20 20 63 61 73 65 20 27 |6);. | case '|
|00003d90| 5c 5c 27 20 3a 0a 20 20 | 20 20 20 20 63 61 73 65 |\\' :. | case|
|00003da0| 20 27 5e 27 20 3a 0a 20 | 20 20 20 20 20 20 20 20 | '^' :. | |
|00003db0| 72 65 74 75 72 6e 28 70 | 75 73 68 20 3f 20 37 20 |return(p|ush ? 7 |
|00003dc0| 3a 20 35 29 3b 0a 20 20 | 20 20 20 20 63 61 73 65 |: 5);. | case|
|00003dd0| 20 27 2a 27 20 3a 0a 20 | 20 20 20 20 20 63 61 73 | '*' :. | cas|
|00003de0| 65 20 27 2f 27 20 3a 0a | 20 20 20 20 20 20 20 20 |e '/' :.| |
|00003df0| 20 72 65 74 75 72 6e 28 | 33 29 3b 0a 20 20 20 20 | return(|3);. |
|00003e00| 20 20 63 61 73 65 20 27 | 2b 27 20 3a 0a 20 20 20 | case '|+' :. |
|00003e10| 20 20 20 63 61 73 65 20 | 27 2d 27 20 3a 0a 20 20 | case |'-' :. |
|00003e20| 20 20 20 20 20 20 20 72 | 65 74 75 72 6e 28 32 29 | r|eturn(2)|
|00003e30| 3b 0a 20 20 20 20 20 20 | 64 65 66 61 75 6c 74 20 |;. |default |
|00003e40| 3a 20 20 2f 2a 20 66 75 | 6e 63 74 69 6f 6e 73 20 |: /* fu|nctions |
|00003e50| 2a 2f 0a 20 20 20 20 20 | 20 20 20 20 72 65 74 75 |*/. | retu|
|00003e60| 72 6e 28 70 75 73 68 20 | 3f 20 38 20 3a 20 34 29 |rn(push |? 8 : 4)|
|00003e70| 3b 0a 20 20 20 7d 0a 7d | 0a 0a 76 6f 69 64 20 73 |;. }.}|..void s|
|00003e80| 69 6d 70 6c 69 66 79 28 | 63 68 61 72 20 73 74 61 |implify(|char sta|
|00003e90| 63 6b 6e 6f 29 0a 7b 0a | 20 20 20 69 6e 74 20 69 |ckno).{.| int i|
|00003ea0| 69 2c 20 6a 6a 2c 20 72 | 65 73 74 61 72 74 3b 0a |i, jj, r|estart;.|
|00003eb0| 20 20 20 63 68 61 72 20 | 6c 61 73 74 2c 20 70 72 | char |last, pr|
|00003ec0| 65 76 6c 61 73 74 3b 0a | 20 20 20 72 65 73 74 61 |evlast;.| resta|
|00003ed0| 72 74 20 3d 20 2d 31 3b | 0a 20 20 20 6c 61 73 74 |rt = -1;|. last|
|00003ee0| 20 3d 20 70 72 65 76 6c | 61 73 74 20 3d 20 30 3b | = prevl|ast = 0;|
|00003ef0| 0a 20 20 20 66 6f 72 20 | 28 69 69 20 3d 20 30 3b |. for |(ii = 0;|
|00003f00| 20 66 73 74 61 63 6b 5b | 73 74 61 63 6b 6e 6f 5d | fstack[|stackno]|
|00003f10| 5b 69 69 5d 2e 6f 70 65 | 72 61 74 6f 72 20 21 3d |[ii].ope|rator !=|
|00003f20| 20 27 3d 27 3b 20 69 69 | 2b 2b 29 20 73 77 69 74 | '='; ii|++) swit|
|00003f30| 63 68 20 28 66 73 74 61 | 63 6b 5b 73 74 61 63 6b |ch (fsta|ck[stack|
|00003f40| 6e 6f 5d 5b 69 69 5d 2e | 6f 70 65 72 61 74 6f 72 |no][ii].|operator|
|00003f50| 29 20 7b 0a 20 20 20 20 | 20 20 63 61 73 65 20 27 |) {. | case '|
|00003f60| 2b 27 20 3a 20 20 2f 2a | 20 62 69 6e 61 72 79 20 |+' : /*| binary |
|00003f70| 6f 70 65 72 61 74 6f 72 | 73 20 2a 2f 0a 20 20 20 |operator|s */. |
|00003f80| 20 20 20 63 61 73 65 20 | 27 2d 27 20 3a 0a 20 20 | case |'-' :. |
|00003f90| 20 20 20 20 63 61 73 65 | 20 27 2f 27 20 3a 0a 20 | case| '/' :. |
|00003fa0| 20 20 20 20 20 63 61 73 | 65 20 27 2a 27 20 3a 0a | cas|e '*' :.|
|00003fb0| 20 20 20 20 20 20 63 61 | 73 65 20 27 5c 5c 27 20 | ca|se '\\' |
|00003fc0| 3a 0a 20 20 20 20 20 20 | 63 61 73 65 20 27 5e 27 |:. |case '^'|
|00003fd0| 20 3a 0a 20 20 20 20 20 | 20 20 20 20 69 66 20 28 | :. | if (|
|00003fe0| 72 65 73 74 61 72 74 20 | 3d 3d 20 69 69 20 2d 20 |restart |== ii - |
|00003ff0| 31 29 20 7b 0a 20 20 20 | 20 20 20 20 20 20 20 20 |1) {. | |
|00004000| 20 72 65 73 74 61 72 74 | 20 3d 20 69 69 3b 0a 20 | restart| = ii;. |
|00004010| 20 20 20 20 20 20 20 20 | 20 20 20 62 72 65 61 6b | | break|
|00004020| 3b 0a 20 20 20 20 20 20 | 20 20 20 7d 0a 20 20 20 |;. | }. |
|00004030| 20 20 20 20 20 20 69 66 | 20 28 6c 61 73 74 20 26 | if| (last &|
|00004040| 26 20 70 72 65 76 6c 61 | 73 74 29 20 7b 0a 20 20 |& prevla|st) {. |
|00004050| 20 20 20 20 20 20 20 20 | 20 20 2f 2a 20 6c 6f 61 | | /* loa|
|00004060| 64 20 61 75 78 69 6c 69 | 61 72 79 20 66 75 6e 63 |d auxili|ary func|
|00004070| 74 69 6f 6e 20 74 6f 20 | 63 61 6c 63 75 6c 61 74 |tion to |calculat|
|00004080| 65 20 73 69 6d 70 6c 69 | 66 69 65 64 20 76 61 6c |e simpli|fied val|
|00004090| 75 65 20 2a 2f 0a 20 20 | 20 20 20 20 20 20 20 20 |ue */. | |
|000040a0| 20 20 66 73 74 61 63 6b | 5b 6d 61 78 66 66 73 5d | fstack|[maxffs]|
|000040b0| 5b 30 5d 2e 6f 70 65 72 | 61 74 6f 72 20 3d 20 66 |[0].oper|ator = f|
|000040c0| 73 74 61 63 6b 5b 73 74 | 61 63 6b 6e 6f 5d 5b 69 |stack[st|ackno][i|
|000040d0| 69 2d 32 5d 2e 6f 70 65 | 72 61 74 6f 72 3b 20 20 |i-2].ope|rator; |
|000040e0| 2f 2a 20 6d 69 67 68 74 | 20 6e 6f 74 20 62 65 20 |/* might| not be |
|000040f0| 23 20 2a 2f 0a 20 20 20 | 20 20 20 20 20 20 20 20 |# */. | |
|00004100| 20 66 73 74 61 63 6b 5b | 6d 61 78 66 66 73 5d 5b | fstack[|maxffs][|
|00004110| 30 5d 2e 6f 70 65 72 61 | 6e 64 20 3d 20 66 73 74 |0].opera|nd = fst|
|00004120| 61 63 6b 5b 73 74 61 63 | 6b 6e 6f 5d 5b 69 69 2d |ack[stac|kno][ii-|
|00004130| 32 5d 2e 6f 70 65 72 61 | 6e 64 3b 0a 20 20 20 20 |2].opera|nd;. |
|00004140| 20 20 20 20 20 20 20 20 | 66 73 74 61 63 6b 5b 6d | |fstack[m|
|00004150| 61 78 66 66 73 5d 5b 31 | 5d 2e 6f 70 65 72 61 74 |axffs][1|].operat|
|00004160| 6f 72 20 3d 20 66 73 74 | 61 63 6b 5b 73 74 61 63 |or = fst|ack[stac|
|00004170| 6b 6e 6f 5d 5b 69 69 2d | 31 5d 2e 6f 70 65 72 61 |kno][ii-|1].opera|
|00004180| 74 6f 72 3b 20 20 2f 2a | 20 6d 69 67 68 74 20 6e |tor; /*| might n|
|00004190| 6f 74 20 62 65 20 23 20 | 2a 2f 0a 20 20 20 20 20 |ot be # |*/. |
|000041a0| 20 20 20 20 20 20 20 66 | 73 74 61 63 6b 5b 6d 61 | f|stack[ma|
|000041b0| 78 66 66 73 5d 5b 31 5d | 2e 6f 70 65 72 61 6e 64 |xffs][1]|.operand|
|000041c0| 20 3d 20 66 73 74 61 63 | 6b 5b 73 74 61 63 6b 6e | = fstac|k[stackn|
|000041d0| 6f 5d 5b 69 69 2d 31 5d | 2e 6f 70 65 72 61 6e 64 |o][ii-1]|.operand|
|000041e0| 3b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 66 73 |;. | fs|
|000041f0| 74 61 63 6b 5b 6d 61 78 | 66 66 73 5d 5b 32 5d 2e |tack[max|ffs][2].|
|00004200| 6f 70 65 72 61 74 6f 72 | 20 3d 20 66 73 74 61 63 |operator| = fstac|
|00004210| 6b 5b 73 74 61 63 6b 6e | 6f 5d 5b 69 69 5d 2e 6f |k[stackn|o][ii].o|
|00004220| 70 65 72 61 74 6f 72 3b | 0a 20 20 20 20 20 20 20 |perator;|. |
|00004230| 20 20 20 20 20 66 73 74 | 61 63 6b 5b 6d 61 78 66 | fst|ack[maxf|
|00004240| 66 73 5d 5b 33 5d 2e 6f | 70 65 72 61 74 6f 72 20 |fs][3].o|perator |
|00004250| 3d 20 27 3d 27 3b 0a 20 | 20 20 20 20 20 20 20 20 |= '=';. | |
|00004260| 20 20 20 2f 2a 20 73 69 | 6d 70 6c 69 66 79 20 73 | /* si|mplify s|
|00004270| 74 61 63 6b 20 2a 2f 0a | 20 20 20 20 20 20 20 20 |tack */.| |
|00004280| 20 20 20 20 69 69 20 2d | 3d 20 32 3b 20 20 2f 2a | ii -|= 2; /*|
|00004290| 20 75 70 64 61 74 65 20 | 73 74 61 63 6b 20 70 6f | update |stack po|
|000042a0| 73 69 74 69 6f 6e 20 2a | 2f 0a 09 20 20 20 20 66 |sition *|/.. f|
|000042b0| 73 74 61 63 6b 5b 73 74 | 61 63 6b 6e 6f 5d 5b 69 |stack[st|ackno][i|
|000042c0| 69 5d 2e 6f 70 65 72 61 | 6e 64 20 3d 20 66 66 28 |i].opera|nd = ff(|
|000042d0| 30 2c 30 2c 6d 61 78 66 | 66 73 29 3b 20 20 2f 2a |0,0,maxf|fs); /*|
|000042e0| 20 63 61 6c 63 75 6c 61 | 74 65 20 6e 65 77 20 76 | calcula|te new v|
|000042f0| 61 6c 75 65 20 2a 2f 0a | 20 20 20 20 20 20 20 20 |alue */.| |
|00004300| 20 20 20 20 66 73 74 61 | 63 6b 5b 73 74 61 63 6b | fsta|ck[stack|
|00004310| 6e 6f 5d 5b 69 69 5d 2e | 6f 70 65 72 61 74 6f 72 |no][ii].|operator|
|00004320| 20 3d 20 27 23 27 3b 0a | 20 20 20 20 20 20 20 20 | = '#';.| |
|00004330| 20 20 20 20 66 6f 72 20 | 28 6a 6a 20 3d 20 69 69 | for |(jj = ii|
|00004340| 2b 31 3b 20 66 73 74 61 | 63 6b 5b 73 74 61 63 6b |+1; fsta|ck[stack|
|00004350| 6e 6f 5d 5b 6a 6a 2b 31 | 5d 2e 6f 70 65 72 61 74 |no][jj+1|].operat|
|00004360| 6f 72 20 21 3d 20 27 3d | 27 3b 20 6a 6a 2b 2b 29 |or != '=|'; jj++)|
|00004370| 20 7b 20 20 2f 2a 20 73 | 68 69 66 74 20 73 74 61 | { /* s|hift sta|
|00004380| 63 6b 20 6c 65 66 74 20 | 62 79 20 32 20 2a 2f 0a |ck left |by 2 */.|
|00004390| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 66 | | f|
|000043a0| 73 74 61 63 6b 5b 73 74 | 61 63 6b 6e 6f 5d 5b 6a |stack[st|ackno][j|
|000043b0| 6a 5d 2e 6f 70 65 72 61 | 74 6f 72 20 3d 20 66 73 |j].opera|tor = fs|
|000043c0| 74 61 63 6b 5b 73 74 61 | 63 6b 6e 6f 5d 5b 6a 6a |tack[sta|ckno][jj|
|000043d0| 2b 32 5d 2e 6f 70 65 72 | 61 74 6f 72 3b 0a 20 20 |+2].oper|ator;. |
|000043e0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 66 73 74 | | fst|
|000043f0| 61 63 6b 5b 73 74 61 63 | 6b 6e 6f 5d 5b 6a 6a 5d |ack[stac|kno][jj]|
|00004400| 2e 6f 70 65 72 61 6e 64 | 20 3d 20 66 73 74 61 63 |.operand| = fstac|
|00004410| 6b 5b 73 74 61 63 6b 6e | 6f 5d 5b 6a 6a 2b 32 5d |k[stackn|o][jj+2]|
|00004420| 2e 6f 70 65 72 61 6e 64 | 3b 0a 20 20 20 20 20 20 |.operand|;. |
|00004430| 20 20 20 20 20 20 7d 0a | 20 20 20 20 20 20 20 20 | }.| |
|00004440| 20 20 20 20 6c 61 73 74 | 20 3d 20 70 72 65 76 6c | last| = prevl|
|00004450| 61 73 74 20 3d 20 30 3b | 0a 20 20 20 20 20 20 20 |ast = 0;|. |
|00004460| 20 20 20 20 20 69 69 20 | 3d 20 72 65 73 74 61 72 | ii |= restar|
|00004470| 74 3b 20 20 2f 2a 20 72 | 65 73 74 61 72 74 20 2a |t; /* r|estart *|
|00004480| 2f 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 63 6f |/. | co|
|00004490| 6e 74 69 6e 75 65 3b 0a | 20 20 20 20 20 20 20 20 |ntinue;.| |
|000044a0| 20 7d 0a 20 20 20 20 20 | 20 20 20 20 65 6c 73 65 | }. | else|
|000044b0| 20 6c 61 73 74 20 3d 20 | 30 3b 20 20 2f 2a 20 70 | last = |0; /* p|
|000044c0| 72 65 76 6c 61 73 74 20 | 69 72 72 65 6c 65 76 61 |revlast |irreleva|
|000044d0| 6e 74 20 2a 2f 0a 20 20 | 20 20 20 20 20 20 20 62 |nt */. | b|
|000044e0| 72 65 61 6b 3b 0a 20 20 | 20 20 20 20 63 61 73 65 |reak;. | case|
|000044f0| 20 27 23 27 20 3a 0a 20 | 20 20 20 20 20 63 61 73 | '#' :. | cas|
|00004500| 65 20 27 70 27 20 3a 0a | 20 20 20 20 20 20 63 61 |e 'p' :.| ca|
|00004510| 73 65 20 27 65 27 20 3a | 0a 20 20 20 20 20 20 63 |se 'e' :|. c|
|00004520| 61 73 65 20 27 21 27 20 | 3a 0a 20 20 20 20 20 20 |ase '!' |:. |
|00004530| 20 20 20 70 72 65 76 6c | 61 73 74 20 3d 20 6c 61 | prevl|ast = la|
|00004540| 73 74 3b 0a 20 20 20 20 | 20 20 20 20 20 6c 61 73 |st;. | las|
|00004550| 74 20 3d 20 31 3b 0a 20 | 20 20 20 20 20 20 20 20 |t = 1;. | |
|00004560| 62 72 65 61 6b 3b 0a 20 | 20 20 20 20 20 63 61 73 |break;. | cas|
|00004570| 65 20 27 78 27 20 3a 0a | 20 20 20 20 20 20 63 61 |e 'x' :.| ca|
|00004580| 73 65 20 27 79 27 20 3a | 0a 20 20 20 20 20 20 20 |se 'y' :|. |
|00004590| 20 20 72 65 73 74 61 72 | 74 20 3d 20 69 69 3b 20 | restar|t = ii; |
|000045a0| 20 2f 2a 20 6e 6f 20 6e | 65 65 64 20 74 6f 20 72 | /* no n|eed to r|
|000045b0| 65 73 74 61 72 74 20 62 | 65 66 6f 72 65 20 75 6e |estart b|efore un|
|000045c0| 73 69 6d 70 6c 69 66 79 | 61 62 6c 65 20 63 68 61 |simplify|able cha|
|000045d0| 72 61 63 74 65 72 20 2a | 2f 0a 20 20 20 20 20 20 |racter *|/. |
|000045e0| 20 20 20 6c 61 73 74 20 | 3d 20 30 3b 20 20 2f 2a | last |= 0; /*|
|000045f0| 20 70 72 65 76 6c 61 73 | 74 20 69 72 72 65 6c 65 | prevlas|t irrele|
|00004600| 76 61 6e 74 20 2a 2f 0a | 20 20 20 20 20 20 20 20 |vant */.| |
|00004610| 20 62 72 65 61 6b 3b 0a | 20 20 20 20 20 20 63 61 | break;.| ca|
|00004620| 73 65 20 27 6d 27 20 3a | 0a 20 20 20 20 20 20 20 |se 'm' :|. |
|00004630| 20 20 69 66 20 28 66 73 | 74 61 63 6b 5b 73 74 61 | if (fs|tack[sta|
|00004640| 63 6b 6e 6f 5d 5b 69 69 | 2d 31 5d 2e 6f 70 65 72 |ckno][ii|-1].oper|
|00004650| 61 74 6f 72 20 3d 3d 20 | 27 6d 27 29 20 7b 20 20 |ator == |'m') { |
|00004660| 2f 2a 20 6e 75 6b 65 20 | 64 6f 75 62 6c 65 20 6e |/* nuke |double n|
|00004670| 65 67 61 74 65 20 2a 2f | 0a 20 20 20 20 20 20 20 |egate */|. |
|00004680| 20 20 20 20 20 66 6f 72 | 20 28 6a 6a 20 3d 20 69 | for| (jj = i|
|00004690| 69 2d 31 3b 20 66 73 74 | 61 63 6b 5b 73 74 61 63 |i-1; fst|ack[stac|
|000046a0| 6b 6e 6f 5d 5b 6a 6a 2b | 31 5d 2e 6f 70 65 72 61 |kno][jj+|1].opera|
|000046b0| 74 6f 72 20 21 3d 20 27 | 3d 27 3b 20 6a 6a 2b 2b |tor != '|='; jj++|
|000046c0| 29 20 7b 20 20 2f 2a 20 | 73 68 69 66 74 20 73 74 |) { /* |shift st|
|000046d0| 61 63 6b 20 6c 65 66 74 | 20 62 79 20 32 20 2a 2f |ack left| by 2 */|
|000046e0| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |. | |
|000046f0| 66 73 74 61 63 6b 5b 73 | 74 61 63 6b 6e 6f 5d 5b |fstack[s|tackno][|
|00004700| 6a 6a 5d 2e 6f 70 65 72 | 61 74 6f 72 20 3d 20 66 |jj].oper|ator = f|
|00004710| 73 74 61 63 6b 5b 73 74 | 61 63 6b 6e 6f 5d 5b 6a |stack[st|ackno][j|
|00004720| 6a 2b 32 5d 2e 6f 70 65 | 72 61 74 6f 72 3b 0a 20 |j+2].ope|rator;. |
|00004730| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 66 73 | | fs|
|00004740| 74 61 63 6b 5b 73 74 61 | 63 6b 6e 6f 5d 5b 6a 6a |tack[sta|ckno][jj|
|00004750| 5d 2e 6f 70 65 72 61 6e | 64 20 3d 20 66 73 74 61 |].operan|d = fsta|
|00004760| 63 6b 5b 73 74 61 63 6b | 6e 6f 5d 5b 6a 6a 2b 32 |ck[stack|no][jj+2|
|00004770| 5d 2e 6f 70 65 72 61 6e | 64 3b 0a 20 20 20 20 20 |].operan|d;. |
|00004780| 20 20 20 20 20 20 20 7d | 0a 20 20 20 20 20 20 20 | }|. |
|00004790| 20 20 20 20 20 6c 61 73 | 74 20 3d 20 70 72 65 76 | las|t = prev|
|000047a0| 6c 61 73 74 20 3d 20 30 | 3b 0a 20 20 20 20 20 20 |last = 0|;. |
|000047b0| 20 20 20 20 20 20 69 69 | 20 3d 20 72 65 73 74 61 | ii| = resta|
|000047c0| 72 74 3b 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |rt;. | |
|000047d0| 63 6f 6e 74 69 6e 75 65 | 3b 0a 20 20 20 20 20 20 |continue|;. |
|000047e0| 20 20 20 7d 0a 20 20 20 | 20 20 20 20 20 20 2f 2a | }. | /*|
|000047f0| 20 6e 6f 20 62 72 65 61 | 6b 20 2a 2f 0a 20 20 20 | no brea|k */. |
|00004800| 20 20 20 64 65 66 61 75 | 6c 74 20 3a 20 20 2f 2a | defau|lt : /*|
|00004810| 20 75 6e 61 72 79 20 6f | 70 65 72 61 74 6f 72 73 | unary o|perators|
|00004820| 20 2a 2f 0a 20 20 20 20 | 20 20 20 20 20 69 66 20 | */. | if |
|00004830| 28 72 65 73 74 61 72 74 | 20 3d 3d 20 69 69 20 2d |(restart| == ii -|
|00004840| 20 31 29 20 7b 0a 20 20 | 20 20 20 20 20 20 20 20 | 1) {. | |
|00004850| 20 20 72 65 73 74 61 72 | 74 20 3d 20 69 69 3b 0a | restar|t = ii;.|
|00004860| 20 20 20 20 20 20 20 20 | 20 20 20 20 62 72 65 61 | | brea|
|00004870| 6b 3b 0a 20 20 20 20 20 | 20 20 20 20 7d 0a 20 20 |k;. | }. |
|00004880| 20 20 20 20 20 20 20 69 | 66 20 28 6c 61 73 74 29 | i|f (last)|
|00004890| 20 7b 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 2f | {. | /|
|000048a0| 2a 20 6c 6f 61 64 20 61 | 75 78 69 6c 69 61 72 79 |* load a|uxiliary|
|000048b0| 20 66 75 6e 63 74 69 6f | 6e 20 74 6f 20 63 61 6c | functio|n to cal|
|000048c0| 63 75 6c 61 74 65 20 73 | 69 6d 70 6c 69 66 69 65 |culate s|implifie|
|000048d0| 64 20 76 61 6c 75 65 20 | 2a 2f 0a 20 20 20 20 20 |d value |*/. |
|000048e0| 20 20 20 20 20 20 20 66 | 73 74 61 63 6b 5b 6d 61 | f|stack[ma|
|000048f0| 78 66 66 73 5d 5b 30 5d | 2e 6f 70 65 72 61 74 6f |xffs][0]|.operato|
|00004900| 72 20 3d 20 66 73 74 61 | 63 6b 5b 73 74 61 63 6b |r = fsta|ck[stack|
|00004910| 6e 6f 5d 5b 69 69 2d 31 | 5d 2e 6f 70 65 72 61 74 |no][ii-1|].operat|
|00004920| 6f 72 3b 20 20 2f 2a 20 | 6d 69 67 68 74 20 6e 6f |or; /* |might no|
|00004930| 74 20 62 65 20 23 20 2a | 2f 0a 20 20 20 20 20 20 |t be # *|/. |
|00004940| 20 20 20 20 20 20 66 73 | 74 61 63 6b 5b 6d 61 78 | fs|tack[max|
|00004950| 66 66 73 5d 5b 30 5d 2e | 6f 70 65 72 61 6e 64 20 |ffs][0].|operand |
|00004960| 3d 20 66 73 74 61 63 6b | 5b 73 74 61 63 6b 6e 6f |= fstack|[stackno|
|00004970| 5d 5b 69 69 2d 31 5d 2e | 6f 70 65 72 61 6e 64 3b |][ii-1].|operand;|
|00004980| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 66 73 74 |. | fst|
|00004990| 61 63 6b 5b 6d 61 78 66 | 66 73 5d 5b 31 5d 2e 6f |ack[maxf|fs][1].o|
|000049a0| 70 65 72 61 74 6f 72 20 | 3d 20 66 73 74 61 63 6b |perator |= fstack|
|000049b0| 5b 73 74 61 63 6b 6e 6f | 5d 5b 69 69 5d 2e 6f 70 |[stackno|][ii].op|
|000049c0| 65 72 61 74 6f 72 3b 0a | 20 20 20 20 20 20 20 20 |erator;.| |
|000049d0| 20 20 20 20 66 73 74 61 | 63 6b 5b 6d 61 78 66 66 | fsta|ck[maxff|
|000049e0| 73 5d 5b 32 5d 2e 6f 70 | 65 72 61 74 6f 72 20 3d |s][2].op|erator =|
|000049f0| 20 27 3d 27 3b 0a 20 20 | 20 20 20 20 20 20 20 20 | '=';. | |
|00004a00| 20 20 2f 2a 20 73 69 6d | 70 6c 69 66 79 20 73 74 | /* sim|plify st|
|00004a10| 61 63 6b 20 2a 2f 0a 20 | 20 20 20 20 20 20 20 20 |ack */. | |
|00004a20| 20 20 20 69 69 20 2d 3d | 20 31 3b 20 20 2f 2a 20 | ii -=| 1; /* |
|00004a30| 75 70 64 61 74 65 20 73 | 74 61 63 6b 20 70 6f 73 |update s|tack pos|
|00004a40| 69 74 69 6f 6e 20 2a 2f | 0a 09 20 20 20 20 66 73 |ition */|.. fs|
|00004a50| 74 61 63 6b 5b 73 74 61 | 63 6b 6e 6f 5d 5b 69 69 |tack[sta|ckno][ii|
|00004a60| 5d 2e 6f 70 65 72 61 6e | 64 20 3d 20 66 66 28 30 |].operan|d = ff(0|
|00004a70| 2c 30 2c 6d 61 78 66 66 | 73 29 3b 20 20 2f 2a 20 |,0,maxff|s); /* |
|00004a80| 63 61 6c 63 75 6c 61 74 | 65 20 6e 65 77 20 76 61 |calculat|e new va|
|00004a90| 6c 75 65 20 2a 2f 0a 20 | 20 20 20 20 20 20 20 20 |lue */. | |
|00004aa0| 20 20 20 66 73 74 61 63 | 6b 5b 73 74 61 63 6b 6e | fstac|k[stackn|
|00004ab0| 6f 5d 5b 69 69 5d 2e 6f | 70 65 72 61 74 6f 72 20 |o][ii].o|perator |
|00004ac0| 3d 20 27 23 27 3b 0a 20 | 20 20 20 20 20 20 20 20 |= '#';. | |
|00004ad0| 20 20 20 66 6f 72 20 28 | 6a 6a 20 3d 20 69 69 2b | for (|jj = ii+|
|00004ae0| 31 3b 20 66 73 74 61 63 | 6b 5b 73 74 61 63 6b 6e |1; fstac|k[stackn|
|00004af0| 6f 5d 5b 6a 6a 5d 2e 6f | 70 65 72 61 74 6f 72 20 |o][jj].o|perator |
|00004b00| 21 3d 20 27 3d 27 3b 20 | 6a 6a 2b 2b 29 20 7b 20 |!= '='; |jj++) { |
|00004b10| 20 2f 2a 20 73 68 69 66 | 74 20 73 74 61 63 6b 20 | /* shif|t stack |
|00004b20| 6c 65 66 74 20 2a 2f 0a | 20 20 20 20 20 20 20 20 |left */.| |
|00004b30| 20 20 20 20 20 20 20 66 | 73 74 61 63 6b 5b 73 74 | f|stack[st|
|00004b40| 61 63 6b 6e 6f 5d 5b 6a | 6a 5d 2e 6f 70 65 72 61 |ackno][j|j].opera|
|00004b50| 74 6f 72 20 3d 20 66 73 | 74 61 63 6b 5b 73 74 61 |tor = fs|tack[sta|
|00004b60| 63 6b 6e 6f 5d 5b 6a 6a | 2b 31 5d 2e 6f 70 65 72 |ckno][jj|+1].oper|
|00004b70| 61 74 6f 72 3b 0a 20 20 | 20 20 20 20 20 20 20 20 |ator;. | |
|00004b80| 20 20 20 20 20 66 73 74 | 61 63 6b 5b 73 74 61 63 | fst|ack[stac|
|00004b90| 6b 6e 6f 5d 5b 6a 6a 5d | 2e 6f 70 65 72 61 6e 64 |kno][jj]|.operand|
|00004ba0| 20 3d 20 66 73 74 61 63 | 6b 5b 73 74 61 63 6b 6e | = fstac|k[stackn|
|00004bb0| 6f 5d 5b 6a 6a 2b 31 5d | 2e 6f 70 65 72 61 6e 64 |o][jj+1]|.operand|
|00004bc0| 3b 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 7d 0a |;. | }.|
|00004bd0| 20 20 20 20 20 20 20 20 | 20 20 20 20 6c 61 73 74 | | last|
|00004be0| 20 3d 20 70 72 65 76 6c | 61 73 74 20 3d 20 30 3b | = prevl|ast = 0;|
|00004bf0| 0a 20 20 20 20 20 20 20 | 20 20 20 20 20 69 69 20 |. | ii |
|00004c00| 3d 20 72 65 73 74 61 72 | 74 3b 20 20 2f 2a 20 72 |= restar|t; /* r|
|00004c10| 65 73 74 61 72 74 20 2a | 2f 0a 20 20 20 20 20 20 |estart *|/. |
|00004c20| 20 20 20 20 20 20 63 6f | 6e 74 69 6e 75 65 3b 0a | co|ntinue;.|
|00004c30| 20 20 20 20 20 20 20 20 | 20 7d 0a 20 20 20 20 20 | | }. |
|00004c40| 20 20 20 20 65 6c 73 65 | 20 6c 61 73 74 20 3d 20 | else| last = |
|00004c50| 30 3b 20 20 2f 2a 20 70 | 72 65 76 6c 61 73 74 20 |0; /* p|revlast |
|00004c60| 69 72 72 65 6c 65 76 61 | 6e 74 20 2a 2f 0a 20 20 |irreleva|nt */. |
|00004c70| 20 20 20 20 20 20 20 62 | 72 65 61 6b 3b 0a 20 20 | b|reak;. |
|00004c80| 20 7d 0a 7d 0a 53 48 41 | 52 5f 45 4f 46 0a 66 69 | }.}.SHA|R_EOF.fi|
|00004c90| 0a 69 66 20 74 65 73 74 | 20 2d 66 20 27 67 72 61 |.if test| -f 'gra|
|00004ca0| 70 68 2e 63 27 0a 74 68 | 65 6e 0a 09 65 63 68 6f |ph.c'.th|en..echo|
|00004cb0| 20 73 68 61 72 3a 20 22 | 77 69 6c 6c 20 6e 6f 74 | shar: "|will not|
|00004cc0| 20 6f 76 65 72 2d 77 72 | 69 74 65 20 65 78 69 73 | over-wr|ite exis|
|00004cd0| 74 69 6e 67 20 66 69 6c | 65 20 27 67 72 61 70 68 |ting fil|e 'graph|
|00004ce0| 2e 63 27 22 0a 65 6c 73 | 65 0a 63 61 74 20 3c 3c |.c'".els|e.cat <<|
|00004cf0| 20 5c 53 48 41 52 5f 45 | 4f 46 20 3e 20 27 67 72 | \SHAR_E|OF > 'gr|
|00004d00| 61 70 68 2e 63 27 0a 2f | 2a 0a 0a 50 6c 6f 74 33 |aph.c'./|*..Plot3|
|00004d10| 64 20 2d 2d 20 67 72 61 | 70 68 2e 63 2c 20 74 68 |d -- gra|ph.c, th|
|00004d20| 65 20 67 72 61 70 68 69 | 63 73 20 63 6f 64 65 0a |e graphi|cs code.|
|00004d30| 0a 42 79 20 41 64 72 69 | 61 6e 20 4d 61 72 69 61 |.By Adri|an Maria|
|00004d40| 6e 6f 20 2d 2d 20 61 64 | 72 69 61 6e 40 6d 69 6c |no -- ad|rian@mil|
|00004d50| 74 6f 6e 2e 75 2e 77 61 | 73 68 69 6e 67 74 6f 6e |ton.u.wa|shington|
|00004d60| 2e 65 64 75 0a 0a 0a 43 | 6f 70 79 72 69 67 68 74 |.edu...C|opyright|
|00004d70| 20 28 63 29 20 31 39 39 | 31 20 62 79 20 41 64 72 | (c) 199|1 by Adr|
|00004d80| 69 61 6e 20 4d 61 72 69 | 61 6e 6f 0a 0a 59 6f 75 |ian Mari|ano..You|
|00004d90| 20 6d 61 79 20 75 73 65 | 20 61 6e 64 20 64 69 73 | may use| and dis|
|00004da0| 74 72 69 62 75 74 65 20 | 74 68 69 73 20 70 72 6f |tribute |this pro|
|00004db0| 67 72 61 6d 20 61 73 20 | 6d 75 63 68 20 61 73 20 |gram as |much as |
|00004dc0| 79 6f 75 20 6c 69 6b 65 | 20 73 6f 20 6c 6f 6e 67 |you like| so long|
|00004dd0| 20 61 73 20 79 6f 75 20 | 64 6f 20 0a 6e 6f 74 20 | as you |do .not |
|00004de0| 63 68 61 72 67 65 20 66 | 6f 72 20 74 68 69 73 20 |charge f|or this |
|00004df0| 73 65 72 76 69 63 65 2e | 20 20 49 20 61 6d 20 6e |service.| I am n|
|00004e00| 6f 74 20 6c 69 61 62 6c | 65 20 66 6f 72 20 66 61 |ot liabl|e for fa|
|00004e10| 69 6c 75 72 65 20 6f 66 | 20 74 68 69 73 20 70 72 |ilure of| this pr|
|00004e20| 6f 67 72 61 6d 20 74 6f | 20 0a 70 65 72 66 6f 72 |ogram to| .perfor|
|00004e30| 6d 20 69 6e 20 61 6e 79 | 20 77 61 79 2e 20 20 0a |m in any| way. .|
|00004e40| 0a 2a 2f 0a 0a 0a 23 69 | 6e 63 6c 75 64 65 20 3c |.*/...#i|nclude <|
|00004e50| 67 72 61 70 68 69 63 73 | 2e 68 3e 0a 23 69 6e 63 |graphics|.h>.#inc|
|00004e60| 6c 75 64 65 20 3c 63 6f | 6e 69 6f 2e 68 3e 0a 23 |lude <co|nio.h>.#|
|00004e70| 69 6e 63 6c 75 64 65 20 | 3c 64 6f 73 2e 68 3e 0a |include |<dos.h>.|
|00004e80| 0a 0a 69 6e 74 20 72 65 | 74 75 72 6e 6d 6f 64 65 |..int re|turnmode|
|00004e90| 2c 20 6d 61 78 78 2c 20 | 6d 61 78 79 2c 20 6d 6f |, maxx, |maxy, mo|
|00004ea0| 64 65 3b 0a 0a 2f 2a 20 | 54 68 69 73 20 66 75 6e |de;../* |This fun|
|00004eb0| 63 74 69 6f 6e 20 73 68 | 6f 75 6c 64 20 72 65 74 |ction sh|ould ret|
|00004ec0| 75 72 6e 20 74 6f 20 74 | 65 78 74 20 6d 6f 64 65 |urn to t|ext mode|
|00004ed0| 20 66 72 6f 6d 20 67 72 | 61 70 68 69 63 73 20 6d | from gr|aphics m|
|00004ee0| 6f 64 65 20 2a 2f 0a 0a | 76 6f 69 64 20 62 61 63 |ode */..|void bac|
|00004ef0| 6b 74 6f 74 65 78 74 28 | 29 0a 7b 0a 20 20 20 72 |ktotext(|).{. r|
|00004f00| 65 73 74 6f 72 65 63 72 | 74 6d 6f 64 65 28 29 3b |estorecr|tmode();|
|00004f10| 0a 20 20 20 74 65 78 74 | 6d 6f 64 65 28 72 65 74 |. text|mode(ret|
|00004f20| 75 72 6e 6d 6f 64 65 29 | 3b 0a 7d 0a 0a 0a 2f 2a |urnmode)|;.}.../*|
|00004f30| 20 45 6e 74 65 72 20 67 | 72 61 70 68 69 63 73 20 | Enter g|raphics |
|00004f40| 6d 6f 64 65 20 66 72 6f | 6d 20 74 65 78 74 20 6d |mode fro|m text m|
|00004f50| 6f 64 65 20 2a 2f 0a 0a | 76 6f 69 64 20 65 6e 74 |ode */..|void ent|
|00004f60| 65 72 67 72 61 70 68 69 | 63 73 28 29 0a 7b 0a 20 |ergraphi|cs().{. |
|00004f70| 20 20 73 65 74 67 72 61 | 70 68 6d 6f 64 65 28 6d | setgra|phmode(m|
|00004f80| 6f 64 65 29 3b 0a 20 20 | 20 63 6c 65 61 72 64 65 |ode);. | clearde|
|00004f90| 76 69 63 65 28 29 3b 0a | 20 20 20 73 65 74 66 69 |vice();.| setfi|
|00004fa0| 6c 6c 73 74 79 6c 65 28 | 31 2c 20 30 29 3b 09 09 |llstyle(|1, 0);..|
|00004fb0| 2f 2a 20 53 65 63 74 69 | 6f 6e 73 20 77 69 6c 6c |/* Secti|ons will|
|00004fc0| 20 62 65 20 62 6c 61 63 | 6b 20 66 69 6c 6c 65 64 | be blac|k filled|
|00004fd0| 20 2a 2f 0a 7d 0a 0a 0a | 2f 2a 20 44 6f 20 67 72 | */.}...|/* Do gr|
|00004fe0| 61 70 68 69 63 73 20 69 | 6e 69 74 69 61 6c 69 7a |aphics i|nitializ|
|00004ff0| 61 74 69 6f 6e 2c 20 69 | 6e 63 6c 75 64 69 6e 67 |ation, i|ncluding|
|00005000| 20 73 65 74 74 69 6e 67 | 20 6d 61 78 78 20 61 6e | setting| maxx an|
|00005010| 64 20 6d 61 78 79 20 74 | 6f 20 74 68 65 0a 20 20 |d maxy t|o the. |
|00005020| 20 6d 61 78 69 6d 75 6d | 20 78 20 61 6e 64 20 79 | maximum| x and y|
|00005030| 20 76 61 6c 75 65 73 20 | 2a 2f 0a 0a 76 6f 69 64 | values |*/..void|
|00005040| 20 69 6e 69 74 67 72 61 | 70 68 69 63 73 28 29 0a | initgra|phics().|
|00005050| 7b 0a 20 20 20 69 6e 74 | 20 6d 6d 2c 20 64 72 69 |{. int| mm, dri|
|00005060| 76 65 72 20 3d 20 44 45 | 54 45 43 54 3b 0a 20 20 |ver = DE|TECT;. |
|00005070| 20 63 68 61 72 20 2a 70 | 61 74 68 3b 0a 20 20 20 | char *p|ath;. |
|00005080| 73 74 72 75 63 74 20 74 | 65 78 74 5f 69 6e 66 6f |struct t|ext_info|
|00005090| 20 74 69 3b 0a 20 20 20 | 67 65 74 74 65 78 74 69 | ti;. |gettexti|
|000050a0| 6e 66 6f 28 26 74 69 29 | 3b 0a 20 20 20 69 66 20 |nfo(&ti)|;. if |
|000050b0| 28 74 69 2e 73 63 72 65 | 65 6e 68 65 69 67 68 74 |(ti.scre|enheight|
|000050c0| 20 3d 3d 20 35 30 20 7c | 7c 20 74 69 2e 73 63 72 | == 50 ||| ti.scr|
|000050d0| 65 65 6e 68 65 69 67 68 | 74 20 3d 3d 20 34 33 29 |eenheigh|t == 43)|
|000050e0| 0a 20 20 20 20 20 20 72 | 65 74 75 72 6e 6d 6f 64 |. r|eturnmod|
|000050f0| 65 20 3d 20 43 34 33 35 | 30 3b 0a 20 20 20 65 6c |e = C435|0;. el|
|00005100| 73 65 0a 20 20 20 20 20 | 20 72 65 74 75 72 6e 6d |se. | returnm|
|00005110| 6f 64 65 20 3d 20 43 38 | 30 3b 0a 20 20 20 70 61 |ode = C8|0;. pa|
|00005120| 74 68 20 3d 20 22 22 3b | 0a 20 20 20 64 65 74 65 |th = "";|. dete|
|00005130| 63 74 67 72 61 70 68 28 | 28 69 6e 74 20 66 61 72 |ctgraph(|(int far|
|00005140| 20 2a 29 20 28 26 64 72 | 69 76 65 72 29 2c 20 28 | *) (&dr|iver), (|
|00005150| 69 6e 74 20 66 61 72 20 | 2a 29 20 28 26 6d 6f 64 |int far |*) (&mod|
|00005160| 65 29 29 3b 0a 20 20 20 | 69 6e 69 74 67 72 61 70 |e));. |initgrap|
|00005170| 68 28 28 69 6e 74 20 66 | 61 72 20 2a 29 20 28 26 |h((int f|ar *) (&|
|00005180| 64 72 69 76 65 72 29 2c | 20 28 69 6e 74 20 66 61 |driver),| (int fa|
|00005190| 72 20 2a 29 20 28 26 6d | 6f 64 65 29 2c 20 28 63 |r *) (&m|ode), (c|
|000051a0| 68 61 72 20 66 61 72 20 | 2a 29 20 28 70 61 74 68 |har far |*) (path|
|000051b0| 29 29 3b 0a 20 20 20 69 | 66 20 28 28 6d 6d 20 3d |));. i|f ((mm =|
|000051c0| 20 67 72 61 70 68 72 65 | 73 75 6c 74 28 29 29 20 | graphre|sult()) |
|000051d0| 21 3d 20 67 72 4f 6b 29 | 20 7b 0a 20 20 20 20 20 |!= grOk)| {. |
|000051e0| 20 70 72 69 6e 74 66 28 | 22 45 72 72 6f 72 3a 20 | printf(|"Error: |
|000051f0| 25 64 5c 6e 22 2c 20 6d | 6d 29 3b 0a 20 20 20 20 |%d\n", m|m);. |
|00005200| 20 20 65 78 69 74 28 30 | 29 3b 0a 20 20 20 7d 0a | exit(0|);. }.|
|00005210| 20 20 20 6d 61 78 78 20 | 3d 20 67 65 74 6d 61 78 | maxx |= getmax|
|00005220| 78 28 29 3b 0a 20 20 20 | 6d 61 78 79 20 3d 20 67 |x();. |maxy = g|
|00005230| 65 74 6d 61 78 79 28 29 | 3b 0a 20 20 20 62 61 63 |etmaxy()|;. bac|
|00005240| 6b 74 6f 74 65 78 74 28 | 29 3b 0a 7d 0a 0a 0a 2f |ktotext(|);.}.../|
|00005250| 2a 20 44 72 61 77 20 74 | 68 65 20 71 75 61 64 72 |* Draw t|he quadr|
|00005260| 69 6c 61 74 65 72 61 6c | 20 73 70 65 63 69 66 69 |ilateral| specifi|
|00005270| 65 64 20 62 79 20 74 68 | 65 20 66 6f 75 72 20 63 |ed by th|e four c|
|00005280| 6f 6f 72 64 69 6e 61 74 | 65 20 70 61 69 72 73 2c |oordinat|e pairs,|
|00005290| 20 66 69 6c 6c 65 64 0a | 20 20 20 69 6e 20 77 69 | filled.| in wi|
|000052a0| 74 68 20 61 20 64 69 66 | 66 65 72 65 6e 74 20 63 |th a dif|ferent c|
|000052b0| 6f 6c 6f 72 20 74 68 61 | 6e 20 74 68 65 20 62 6f |olor tha|n the bo|
|000052c0| 75 6e 64 61 72 69 65 73 | 20 61 72 65 20 64 72 61 |undaries| are dra|
|000052d0| 77 6e 20 69 6e 20 2a 2f | 0a 0a 23 70 72 61 67 6d |wn in */|..#pragm|
|000052e0| 61 20 61 72 67 73 75 73 | 65 64 0a 0a 76 6f 69 64 |a argsus|ed..void|
|000052f0| 20 66 69 6c 6c 28 69 6e | 74 20 78 31 2c 20 69 6e | fill(in|t x1, in|
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|00005fd0| 6f 75 6e 64 28 78 29 20 | 66 6c 6f 6f 72 28 28 78 |ound(x) |floor((x|
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|00005ff0| 69 6e 74 28 2a 66 75 6e | 63 74 69 6f 6e 29 28 63 |int(*fun|ction)(c|
|00006000| 6f 6e 73 74 20 76 6f 69 | 64 20 2a 2c 63 6f 6e 73 |onst voi|d *,cons|
|00006010| 74 20 76 6f 69 64 20 2a | 29 3b 0a 0a 69 6e 74 20 |t void *|);..int |
|00006020| 70 6c 6f 74 33 64 28 76 | 6f 69 64 20 28 2a 74 72 |plot3d(v|oid (*tr|
|00006030| 61 6e 73 66 6f 72 6d 29 | 28 66 6c 6f 61 74 20 2a |ansform)|(float *|
|00006040| 2c 66 6c 6f 61 74 20 2a | 2c 66 6c 6f 61 74 20 2a |,float *|,float *|
|00006050| 2c 66 6c 6f 61 74 2c 66 | 6c 6f 61 74 2c 66 6c 6f |,float,f|loat,flo|
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|00006070| 72 6d 20 70 6f 69 6e 74 | 73 20 74 6f 20 74 72 61 |rm point|s to tra|
|00006080| 6e 73 66 6f 72 6d 20 74 | 6f 20 63 61 72 74 65 73 |nsform t|o cartes|
|00006090| 69 61 6e 20 2a 2f 0a 0a | 7b 0a 20 20 20 69 6e 74 |ian */..|{. int|
|000060a0| 20 69 2c 65 64 67 65 63 | 6f 75 6e 74 2c 73 74 65 | i,edgec|ount,ste|
|000060b0| 70 73 2c 73 74 65 70 73 | 32 3b 20 20 20 20 20 20 |ps,steps|2; |
|000060c0| 20 20 20 2f 2a 20 43 6f | 75 6e 74 65 72 73 20 2a | /* Co|unters *|
|000060d0| 2f 0a 20 20 20 66 6c 6f | 61 74 20 78 2c 79 2c 7a |/. flo|at x,y,z|
|000060e0| 3b 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |; | |
|000060f0| 20 20 20 20 20 20 20 20 | 20 20 2f 2a 20 43 61 72 | | /* Car|
|00006100| 74 65 73 69 61 6e 20 63 | 6f 6f 72 64 69 6e 61 74 |tesian c|oordinat|
|00006110| 65 73 20 2a 2f 0a 20 20 | 20 66 6c 6f 61 74 20 76 |es */. | float v|
|00006120| 61 72 31 73 74 65 70 2c | 76 61 72 32 73 74 65 70 |ar1step,|var2step|
|00006130| 2c 76 61 72 31 2c 76 61 | 72 32 3b 20 20 20 2f 2a |,var1,va|r2; /*|
|00006140| 20 56 61 6c 75 65 73 20 | 66 6f 72 20 69 6e 64 65 | Values |for inde|
|00006150| 70 65 6e 64 65 6e 74 20 | 76 61 72 73 20 2a 2f 0a |pendent |vars */.|
|00006160| 20 20 20 73 74 72 75 63 | 74 20 73 65 63 74 69 6f | struc|t sectio|
|00006170| 6e 74 79 70 65 20 2a 73 | 65 63 74 69 6f 6e 3b 20 |ntype *s|ection; |
|00006180| 20 20 20 20 20 20 20 20 | 2f 2a 20 54 61 62 6c 65 | |/* Table|
|00006190| 20 6f 66 20 73 65 63 74 | 69 6f 6e 73 20 2a 2f 0a | of sect|ions */.|
|000061a0| 0a 0a 20 20 20 2f 2a 20 | 47 65 74 20 73 6f 6d 65 |.. /* |Get some|
|000061b0| 20 6d 65 6d 6f 72 79 20 | 2a 2f 0a 20 20 20 73 65 | memory |*/. se|
|000061c0| 63 74 69 6f 6e 3d 66 61 | 72 63 61 6c 6c 6f 63 28 |ction=fa|rcalloc(|
|000061d0| 76 61 72 31 73 74 65 70 | 63 6f 75 6e 74 2b 76 61 |var1step|count+va|
|000061e0| 72 32 73 74 65 70 63 6f | 75 6e 74 2b 33 2b 28 76 |r2stepco|unt+3+(v|
|000061f0| 61 72 31 73 74 65 70 63 | 6f 75 6e 74 2b 31 29 2a |ar1stepc|ount+1)*|
|00006200| 28 76 61 72 32 73 74 65 | 70 63 6f 75 6e 74 2b 31 |(var2ste|pcount+1|
|00006210| 29 2c 73 69 7a 65 6f 66 | 28 73 74 72 75 63 74 20 |),sizeof|(struct |
|00006220| 73 65 63 74 69 6f 6e 74 | 79 70 65 29 29 3b 0a 20 |sectiont|ype));. |
|00006230| 20 20 69 66 20 28 21 73 | 65 63 74 69 6f 6e 29 7b | if (!s|ection){|
|00006240| 0a 20 20 20 20 20 20 70 | 72 69 6e 74 66 28 22 49 |. p|rintf("I|
|00006250| 6e 73 75 66 66 69 63 69 | 65 6e 74 20 6d 65 6d 6f |nsuffici|ent memo|
|00006260| 72 79 5c 6e 5c 6e 22 29 | 3b 0a 20 20 20 20 20 20 |ry\n\n")|;. |
|00006270| 72 65 74 75 72 6e 20 30 | 3b 0a 20 20 20 7d 20 20 |return 0|;. } |
|00006280| 20 0a 20 20 20 78 72 61 | 6e 67 65 3d 78 6d 61 78 | . xra|nge=xmax|
|00006290| 2d 78 6d 69 6e 3b 20 20 | 20 2f 2a 20 43 61 6c 63 |-xmin; | /* Calc|
|000062a0| 75 6c 61 74 65 20 77 69 | 64 74 68 73 20 66 6f 72 |ulate wi|dths for|
|000062b0| 20 78 2c 20 79 2c 20 61 | 6e 64 20 7a 20 2a 2f 0a | x, y, a|nd z */.|
|000062c0| 20 20 20 79 72 61 6e 67 | 65 3d 79 6d 61 78 2d 79 | yrang|e=ymax-y|
|000062d0| 6d 69 6e 3b 0a 20 20 20 | 7a 72 61 6e 67 65 3d 7a |min;. |zrange=z|
|000062e0| 6d 61 78 2d 7a 6d 69 6e | 3b 0a 20 20 20 63 6f 73 |max-zmin|;. cos|
|000062f0| 74 69 70 3d 63 6f 73 28 | 74 69 70 2a 50 49 2f 31 |tip=cos(|tip*PI/1|
|00006300| 38 30 29 3b 20 20 20 20 | 2f 2a 20 50 72 65 63 61 |80); |/* Preca|
|00006310| 6c 63 75 6c 61 74 65 20 | 74 72 69 67 20 66 75 6e |lculate |trig fun|
|00006320| 63 74 69 6f 6e 73 20 66 | 6f 72 20 61 6e 67 6c 65 |ctions f|or angle|
|00006330| 73 20 2a 2f 0a 20 20 20 | 73 69 6e 74 69 70 3d 73 |s */. |sintip=s|
|00006340| 69 6e 28 74 69 70 2a 50 | 49 2f 31 38 30 29 3b 0a |in(tip*P|I/180);.|
|00006350| 20 20 20 73 69 6e 73 70 | 69 6e 3d 73 69 6e 28 73 | sinsp|in=sin(s|
|00006360| 70 69 6e 2a 50 49 2f 31 | 38 30 29 3b 0a 20 20 20 |pin*PI/1|80);. |
|00006370| 63 6f 73 73 70 69 6e 3d | 63 6f 73 28 73 70 69 6e |cosspin=|cos(spin|
|00006380| 2a 50 49 2f 31 38 30 29 | 3b 0a 20 20 20 63 61 6c |*PI/180)|;. cal|
|00006390| 63 73 63 61 6c 65 28 78 | 6d 69 6e 2c 79 6d 69 6e |cscale(x|min,ymin|
|000063a0| 2c 7a 6d 69 6e 2c 78 6d | 61 78 2c 79 6d 61 78 2c |,zmin,xm|ax,ymax,|
|000063b0| 7a 6d 61 78 29 3b 20 20 | 2f 2a 20 43 61 6c 63 75 |zmax); |/* Calcu|
|000063c0| 6c 61 74 65 20 73 63 61 | 6c 69 6e 67 20 66 61 63 |late sca|ling fac|
|000063d0| 74 6f 72 73 20 2a 2f 0a | 20 20 20 76 61 72 31 73 |tors */.| var1s|
|000063e0| 74 65 70 3d 28 76 61 72 | 31 65 6e 64 2d 76 61 72 |tep=(var|1end-var|
|000063f0| 31 73 74 61 72 74 29 2f | 28 76 61 72 31 73 74 65 |1start)/|(var1ste|
+--------+-------------------------+-------------------------+--------+--------+
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