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|00000400| 3d 3d 3d 20 63 61 6c 63 | 2e 73 68 61 72 20 3d 3d |=== calc|.shar ==|
|00000410| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000420| 3d 3d 3d 3d 3d 3d 3d 0a | 23 20 54 68 69 73 20 69 |=======.|# This i|
|00000430| 73 20 61 20 73 68 65 6c | 6c 20 61 72 63 68 69 76 |s a shel|l archiv|
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|00000460| 69 74 0a 23 20 61 6e 64 | 20 64 65 6c 65 74 65 20 |it.# and| delete |
|00000470| 61 6c 6c 20 6c 69 6e 65 | 73 20 61 62 6f 76 65 20 |all line|s above |
|00000480| 74 68 69 73 20 63 6f 6d | 6d 65 6e 74 2e 20 20 54 |this com|ment.  T|
|00000490| 68 65 6e 20 67 69 76 65 | 20 74 68 69 73 0a 23 20 |hen give| this.# |
|000004a0| 66 69 6c 65 20 74 6f 20 | 73 68 20 62 79 20 65 78 |file to |sh by ex|
|000004b0| 65 63 75 74 69 6e 67 20 | 74 68 65 20 63 6f 6d 6d |ecuting |the comm|
|000004c0| 61 6e 64 20 22 73 68 20 | 66 69 6c 65 22 2e 20 20 |and "sh |file".  |
|000004d0| 54 68 65 20 66 69 6c 65 | 73 0a 23 20 77 69 6c 6c |The file|s.# will|
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|000004f0| 74 6f 20 74 68 65 20 63 | 75 72 72 65 6e 74 20 64 |to the c|urrent d|
|00000500| 69 72 65 63 74 6f 72 79 | 20 6f 77 6e 65 64 20 62 |irectory| owned b|
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|00000520| 61 75 6c 74 20 70 65 72 | 6d 69 73 73 69 6f 6e 73 |ault per|missions|
|00000530| 2e 0a 23 0a 23 20 54 68 | 65 20 66 69 6c 65 73 20 |..#.# Th|e files |
|00000540| 63 6f 6e 74 61 69 6e 65 | 64 20 68 65 72 65 69 6e |containe|d herein|
|00000550| 20 61 72 65 3a 0a 23 20 | 20 20 20 20 20 20 20 20 | are:.# |        |
|00000560| 20 63 61 6c 63 2e 31 20 | 20 20 20 20 20 20 20 20 | calc.1 |        |
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|000005f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000600| 63 61 6c 63 2f 63 61 6c | 63 2e 31 00 00 00 00 00 |calc/cal|c.1.....|
|00000610| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|000007f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000800| 2e 54 48 20 43 41 4c 43 | 20 31 20 22 4d 61 72 63 |.TH CALC| 1 "Marc|
|00000810| 68 20 31 39 38 34 22 0a | 2e 53 48 20 4e 41 4d 45 |h 1984".|.SH NAME|
|00000820| 0a 63 61 6c 63 20 5c 2d | 20 64 6f 75 62 6c 65 20 |.calc \-| double |
|00000830| 70 72 65 63 69 73 69 6f | 6e 20 63 61 6c 63 75 6c |precisio|n calcul|
|00000840| 61 74 6f 72 0a 2e 53 48 | 20 53 59 4e 4f 50 53 49 |ator..SH| SYNOPSI|
|00000850| 53 0a 63 61 6c 63 20 5b | 61 6c 67 65 62 72 61 69 |S.calc [|algebrai|
|00000860| 63 20 65 78 70 72 65 73 | 73 69 6f 6e 5d 0a 2e 53 |c expres|sion]..S|
|00000870| 48 20 44 45 53 43 52 49 | 50 54 49 4f 4e 0a 2e 50 |H DESCRI|PTION..P|
|00000880| 50 0a 5c 66 42 43 61 6c | 63 5c 66 52 20 69 73 20 |P.\fBCal|c\fR is |
|00000890| 61 20 64 6f 75 62 6c 65 | 20 70 72 65 63 69 73 69 |a double| precisi|
|000008a0| 6f 6e 20 63 61 6c 63 75 | 6c 61 74 6f 72 20 73 69 |on calcu|lator si|
|000008b0| 6d 69 6c 61 72 20 74 6f | 20 5c 66 42 62 63 28 31 |milar to| \fBbc(1|
|000008c0| 29 5c 66 52 2e 20 20 41 | 6c 67 65 62 72 61 69 63 |)\fR.  A|lgebraic|
|000008d0| 0a 65 78 70 72 65 73 73 | 69 6f 6e 73 20 63 6f 6e |.express|ions con|
|000008e0| 73 69 73 74 20 6f 66 20 | 63 6f 6e 73 74 61 6e 74 |sist of |constant|
|000008f0| 73 2c 20 6f 70 65 72 61 | 74 6f 72 73 2c 20 76 61 |s, opera|tors, va|
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|00000910| 63 74 69 6f 6e 0a 63 61 | 6c 6c 73 2e 0a 2e 50 50 |ction.ca|lls...PP|
|00000920| 0a 41 20 63 6f 6e 73 74 | 61 6e 74 20 69 73 20 61 |.A const|ant is a|
|00000930| 6e 79 20 66 6c 6f 61 74 | 69 6e 67 20 70 6f 69 6e |ny float|ing poin|
|00000940| 74 20 6f 72 20 69 6e 74 | 65 67 65 72 20 6e 75 6d |t or int|eger num|
|00000950| 62 65 72 2e 20 20 41 70 | 70 72 6f 78 69 6d 61 74 |ber.  Ap|proximat|
|00000960| 65 6c 79 0a 31 35 20 64 | 65 63 69 6d 61 6c 20 70 |ely.15 d|ecimal p|
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|00000980| 6f 6e 20 61 72 65 20 70 | 6f 73 73 69 62 6c 65 2e |on are p|ossible.|
|00000990| 20 20 49 6e 20 61 64 64 | 69 74 69 6f 6e 2c 20 5c |  In add|ition, \|
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|00000c40| 20 20 49 74 20 69 6e 69 | 74 69 61 6c 6c 79 20 68 |  It ini|tially h|
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|00000cb0| 49 50 20 22 73 69 6e 2c | 20 63 6f 73 2c 20 74 61 |IP "sin,| cos, ta|
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|00000d80| 68 65 20 61 72 67 75 6d | 65 6e 74 2e 0a 2e 49 50 |he argum|ent...IP|
|00000d90| 20 6c 6f 67 0a 42 61 73 | 65 20 31 30 20 6c 6f 67 | log.Bas|e 10 log|
|00000da0| 61 72 69 74 68 6d 2e 0a | 2e 49 50 20 6c 6e 0a 4e |arithm..|.IP ln.N|
|00000db0| 61 74 75 72 61 6c 20 28 | 62 61 73 65 20 32 29 20 |atural (|base 2) |
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|00000df0| 65 6e 74 2c 20 65 72 72 | 6f 72 73 20 61 72 65 20 |ent, err|ors are |
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|00000e40| 61 20 73 69 6d 70 6c 65 | 20 6e 75 6d 62 65 72 2c |a simple| number,|
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|00001d50| 20 27 2a 27 20 27 2f 27 | 20 27 25 27 0a 25 6c 65 | '*' '/'| '%'.%le|
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|00001d80| 0a 09 7c 09 6c 69 6e 65 | 73 20 6c 69 6e 65 0a 09 |..|.line|s line..|
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|00001dc0| 27 5c 6e 27 29 3b 0a 09 | 09 09 20 20 65 78 69 74 |'\n');..|..  exit|
|00001dd0| 28 30 29 3b 0a 09 09 09 | 7d 0a 09 7c 09 65 78 70 |(0);....|}..|.exp|
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|00001df0| 72 6e 6f 20 3d 3d 20 45 | 52 41 4e 47 45 29 0a 09 |rno == E|RANGE)..|
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|00001e30| 3d 20 45 44 4f 4d 29 0a | 09 09 09 20 20 09 79 79 |= EDOM).|...  .yy|
|00001e40| 65 72 72 6f 72 28 22 64 | 6f 6d 61 69 6e 20 65 72 |error("d|omain er|
|00001e50| 72 6f 72 22 29 3b 0a 09 | 09 09 20 20 65 6c 73 65 |ror");..|..  else|
|00001e60| 0a 09 09 09 20 20 09 70 | 72 69 6e 74 66 28 22 25 |....  .p|rintf("%|
|00001e70| 2e 2a 66 5c 6e 22 2c 20 | 73 63 61 6c 65 2c 20 24 |.*f\n", |scale, $|
|00001e80| 31 29 3b 0a 09 09 09 20 | 20 65 72 72 6e 6f 20 3d |1);.... | errno =|
|00001e90| 20 30 3b 0a 09 09 09 7d | 0a 09 7c 09 53 43 41 4c | 0;....}|..|.SCAL|
|00001ea0| 45 20 27 3d 27 20 65 78 | 70 72 20 4e 4c 0a 09 09 |E '=' ex|pr NL...|
|00001eb0| 09 7b 20 73 63 61 6c 65 | 20 3d 20 28 69 6e 74 29 |.{ scale| = (int)|
|00001ec0| 20 24 33 3b 20 7d 0a 09 | 7c 09 52 45 47 49 53 54 | $3; }..||.REGIST|
|00001ed0| 45 52 20 27 3d 27 20 65 | 78 70 72 20 4e 4c 0a 09 |ER '=' e|xpr NL..|
|00001ee0| 09 09 7b 20 72 65 67 69 | 73 74 65 72 73 5b 24 31 |..{ regi|sters[$1|
|00001ef0| 5d 20 3d 20 24 33 3b 20 | 7d 0a 09 7c 09 53 43 41 |] = $3; |}..|.SCA|
|00001f00| 4c 45 20 4e 4c 0a 09 09 | 09 7b 20 70 72 69 6e 74 |LE NL...|.{ print|
|00001f10| 66 28 22 53 63 61 6c 65 | 20 70 72 65 73 65 6e 74 |f("Scale| present|
|00001f20| 6c 79 20 73 65 74 20 74 | 6f 20 25 64 20 64 69 67 |ly set t|o %d dig|
|00001f30| 69 74 73 2e 5c 6e 22 2c | 20 73 63 61 6c 65 29 3b |its.\n",| scale);|
|00001f40| 20 7d 0a 09 7c 09 48 45 | 4c 50 20 4e 4c 0a 09 09 | }..|.HE|LP NL...|
|00001f50| 09 7b 20 68 65 6c 70 28 | 29 3b 20 7d 0a 09 7c 09 |.{ help(|); }..|.|
|00001f60| 65 72 72 6f 72 20 0a 09 | 09 09 7b 20 2a 69 70 20 |error ..|..{ *ip |
|00001f70| 3d 20 4e 55 4c 4c 3b 20 | 79 79 63 6c 65 61 72 69 |= NULL; |yycleari|
|00001f80| 6e 3b 20 79 79 65 72 72 | 6f 6b 3b 20 7d 0a 09 3b |n; yyerr|ok; }..;|
|00001f90| 0a 0a 65 78 70 72 20 09 | 3a 09 65 78 70 72 20 27 |..expr .|:.expr '|
|00001fa0| 2b 27 20 65 78 70 72 0a | 09 09 09 7b 20 24 24 20 |+' expr.|...{ $$ |
|00001fb0| 3d 20 24 31 20 2b 20 24 | 33 3b 20 7d 0a 09 7c 09 |= $1 + $|3; }..|.|
|00001fc0| 65 78 70 72 20 27 2d 27 | 20 65 78 70 72 0a 09 09 |expr '-'| expr...|
|00001fd0| 09 7b 20 24 24 20 3d 20 | 24 31 20 2d 20 24 33 3b |.{ $$ = |$1 - $3;|
|00001fe0| 20 7d 0a 09 7c 09 65 78 | 70 72 20 27 2a 27 20 65 | }..|.ex|pr '*' e|
|00001ff0| 78 70 72 0a 09 09 09 7b | 20 24 24 20 3d 20 24 31 |xpr....{| $$ = $1|
|00002000| 20 2a 20 24 33 3b 20 7d | 0a 09 7c 09 65 78 70 72 | * $3; }|..|.expr|
|00002010| 20 27 2f 27 20 65 78 70 | 72 0a 09 09 09 7b 20 69 | '/' exp|r....{ i|
|00002020| 66 20 28 24 33 20 3d 3d | 20 30 29 20 7b 0a 09 09 |f ($3 ==| 0) {...|
|00002030| 09 09 65 72 72 6e 6f 20 | 3d 20 45 52 41 4e 47 45 |..errno |= ERANGE|
|00002040| 3b 0a 09 09 09 09 24 24 | 20 3d 20 31 3b 0a 09 09 |;.....$$| = 1;...|
|00002050| 09 20 20 7d 0a 09 09 09 | 20 20 65 6c 73 65 20 7b |.  }....|  else {|
|00002060| 0a 09 09 09 20 20 09 24 | 24 20 3d 20 24 31 20 2f |....  .$|$ = $1 /|
|00002070| 20 24 33 3b 0a 09 09 09 | 20 20 7d 0a 09 09 09 7d | $3;....|  }....}|
|00002080| 0a 09 7c 09 65 78 70 72 | 20 27 25 27 20 65 78 70 |..|.expr| '%' exp|
|00002090| 72 0a 09 09 09 7b 20 24 | 24 20 3d 20 28 69 6e 74 |r....{ $|$ = (int|
|000020a0| 29 20 24 31 20 25 20 28 | 69 6e 74 29 20 24 33 3b |) $1 % (|int) $3;|
|000020b0| 20 7d 0a 09 7c 09 65 78 | 70 72 20 27 5e 27 20 65 | }..|.ex|pr '^' e|
|000020c0| 78 70 72 0a 09 09 09 7b | 20 24 24 20 3d 20 70 6f |xpr....{| $$ = po|
|000020d0| 77 28 24 31 2c 20 24 33 | 29 3b 20 7d 0a 09 7c 09 |w($1, $3|); }..|.|
|000020e0| 46 55 4e 43 54 49 4f 4e | 20 27 28 27 20 65 78 70 |FUNCTION| '(' exp|
|000020f0| 72 20 27 29 27 0a 09 09 | 09 7b 20 24 24 20 3d 20 |r ')'...|.{ $$ = |
|00002100| 28 2a 24 31 29 28 24 33 | 29 3b 20 7d 0a 09 7c 09 |(*$1)($3|); }..|.|
|00002110| 27 28 27 20 65 78 70 72 | 20 27 29 27 0a 09 09 09 |'(' expr| ')'....|
|00002120| 7b 20 24 24 20 3d 20 24 | 32 3b 20 7d 0a 09 7c 09 |{ $$ = $|2; }..|.|
|00002130| 27 2d 27 20 65 78 70 72 | 09 09 25 70 72 65 63 20 |'-' expr|..%prec |
|00002140| 55 4d 49 4e 55 53 0a 09 | 09 09 7b 20 24 24 20 3d |UMINUS..|..{ $$ =|
|00002150| 20 2d 20 24 32 3b 20 7d | 0a 09 7c 09 52 45 47 49 | - $2; }|..|.REGI|
|00002160| 53 54 45 52 0a 09 09 09 | 7b 20 24 24 20 3d 20 72 |STER....|{ $$ = r|
|00002170| 65 67 69 73 74 65 72 73 | 5b 24 31 5d 3b 20 7d 0a |egisters|[$1]; }.|
|00002180| 09 7c 09 4e 55 4d 42 45 | 52 0a 09 09 09 7b 20 24 |.|.NUMBE|R....{ $|
|00002190| 24 20 3d 20 24 31 3b 20 | 7d 0a 09 3b 0a 25 25 0a |$ = $1; |}..;.%%.|
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|000021d0| 73 74 65 72 20 69 3b 0a | 09 72 65 67 69 73 74 65 |ster i;.|.registe|
|000021e0| 72 20 63 68 61 72 20 2a | 73 3b 0a 09 0a 23 69 66 |r char *|s;...#if|
|000021f0| 64 65 66 20 59 59 44 45 | 42 55 47 0a 09 2f 2a 0a |def YYDE|BUG../*.|
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|00002230| 0a 09 79 79 64 65 62 75 | 67 20 3d 20 31 3b 0a 23 |..yydebu|g = 1;.#|
|00002240| 65 6e 64 69 66 0a 0a 09 | 69 70 20 3d 20 69 6e 62 |endif...|ip = inb|
|00002250| 75 66 66 65 72 3b 0a 09 | 2a 69 70 20 3d 20 4e 55 |uffer;..|*ip = NU|
|00002260| 4c 4c 3b 0a 09 0a 09 2f | 2a 0a 09 20 2a 20 49 6e |LL;..../|*.. * In|
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|000022b0| 3d 20 30 2e 30 3b 0a 0a | 09 2f 2a 0a 09 20 2a 20 |= 0.0;..|./*.. * |
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|00002310| 7b 0a 09 09 63 6d 64 6c | 69 6e 65 20 3d 20 31 3b |{...cmdl|ine = 1;|
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|00002380| 70 70 65 72 28 2a 73 29 | 29 0a 09 09 09 09 2a 73 |pper(*s)|).....*s|
|00002390| 20 3d 20 74 6f 6c 6f 77 | 65 72 28 2a 73 29 3b 0a | = tolow|er(*s);.|
|000023a0| 09 09 09 73 2b 2b 3b 0a | 09 09 7d 0a 0a 09 09 2a |...s++;.|..}....*|
|000023b0| 73 2b 2b 20 3d 20 27 5c | 6e 27 3b 0a 09 09 2a 73 |s++ = '\|n';...*s|
|000023c0| 20 3d 20 4e 55 4c 4c 3b | 0a 09 7d 0a 09 0a 09 2f | = NULL;|..}..../|
|000023d0| 2a 0a 09 20 2a 20 57 65 | 20 65 78 69 74 20 69 6e |*.. * We| exit in|
|000023e0| 20 79 79 70 61 72 73 65 | 2e 0a 09 20 2a 2f 0a 09 | yyparse|... */..|
|000023f0| 66 6f 72 20 28 3b 3b 29 | 20 7b 0a 09 09 79 79 70 |for (;;)| {...yyp|
|00002400| 61 72 73 65 28 29 3b 0a | 09 7d 0a 7d 0a 0a 2f 2a |arse();.|.}.}../*|
|00002410| 0a 20 2a 20 79 79 6c 65 | 78 20 2d 20 6c 65 78 69 |. * yyle|x - lexi|
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|00002570| 09 09 72 65 74 75 72 6e | 28 45 4f 46 49 4c 45 29 |..return|(EOFILE)|
|00002580| 3b 0a 09 09 09 0a 09 09 | 09 73 20 3d 20 69 6e 62 |;.......|.s = inb|
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|000025a0| 20 28 2a 73 29 20 7b 0a | 09 09 09 09 69 66 20 28 | (*s) {.|....if (|
|000025b0| 69 73 75 70 70 65 72 28 | 2a 73 29 29 0a 09 09 09 |isupper(|*s))....|
|000025c0| 09 09 2a 73 20 3d 20 74 | 6f 6c 6f 77 65 72 28 2a |..*s = t|olower(*|
|000025d0| 73 29 3b 0a 09 09 09 09 | 73 2b 2b 3b 0a 09 09 09 |s);.....|s++;....|
|000025e0| 7d 0a 0a 09 09 09 2a 73 | 2b 2b 20 3d 20 27 5c 6e |}.....*s|++ = '\n|
|000025f0| 27 3b 0a 09 09 09 2a 73 | 20 3d 20 4e 55 4c 4c 3b |';....*s| = NULL;|
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|00002620| 09 66 6f 72 20 28 3b 3b | 29 20 7b 0a 09 09 2f 2a |.for (;;|) {.../*|
|00002630| 0a 09 09 20 2a 20 53 68 | 6f 75 6c 64 20 6e 65 76 |... * Sh|ould nev|
|00002640| 65 72 20 73 65 65 20 74 | 68 69 73 2c 20 62 75 74 |er see t|his, but|
|00002650| 20 6a 75 73 74 20 69 6e | 20 63 61 73 65 2e 0a 09 | just in| case...|
|00002660| 09 20 2a 2f 0a 09 09 69 | 66 20 28 2a 69 70 20 3d |. */...i|f (*ip =|
|00002670| 3d 20 45 4f 46 29 20 7b | 0a 09 09 09 72 65 74 75 |= EOF) {|....retu|
|00002680| 72 6e 28 45 4f 46 49 4c | 45 29 3b 0a 09 09 7d 0a |rn(EOFIL|E);...}.|
|00002690| 0a 09 09 2f 2a 0a 09 09 | 20 2a 20 53 6b 69 70 20 |.../*...| * Skip |
|000026a0| 77 68 69 74 65 73 70 61 | 63 65 2e 0a 09 09 20 2a |whitespa|ce.... *|
|000026b0| 2f 0a 09 09 69 66 20 28 | 28 2a 69 70 20 3d 3d 20 |/...if (|(*ip == |
|000026c0| 27 20 27 29 20 7c 7c 20 | 28 2a 69 70 20 3d 3d 20 |' ') || |(*ip == |
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|00002730| 2a 2f 0a 09 09 69 66 20 | 28 28 2a 69 70 20 3d 3d |*/...if |((*ip ==|
|00002740| 20 27 5c 6e 27 29 20 7c | 7c 20 28 2a 69 70 20 3d | '\n') ||| (*ip =|
|00002750| 3d 20 27 3b 27 29 20 7c | 7c 20 28 2a 69 70 20 3d |= ';') ||| (*ip =|
|00002760| 3d 20 4e 55 4c 4c 29 29 | 20 7b 0a 09 09 09 69 70 |= NULL))| {....ip|
|00002770| 2b 2b 3b 0a 09 09 09 72 | 65 74 75 72 6e 28 4e 4c |++;....r|eturn(NL|
|00002780| 29 3b 0a 09 09 7d 0a 09 | 09 0a 09 09 2f 2a 0a 09 |);...}..|..../*..|
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|000027b0| 69 66 20 28 69 73 61 6c | 70 68 61 28 2a 69 70 29 |if (isal|pha(*ip)|
|000027c0| 29 20 7b 0a 09 09 09 2f | 2a 0a 09 09 09 20 2a 20 |) {..../|*.... * |
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|00002800| 20 73 65 74 20 66 75 6e | 63 74 69 6f 6e 20 70 6f | set fun|ction po|
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|00002840| 69 6f 6e 20 6e 61 6d 65 | 20 69 6e 20 74 68 65 20 |ion name| in the |
|00002850| 69 6e 70 75 74 20 62 75 | 66 66 65 72 2e 0a 09 09 |input bu|ffer....|
|00002860| 09 20 2a 2f 0a 09 09 09 | 69 66 20 28 21 73 74 72 |. */....|if (!str|
|00002870| 6e 63 6d 70 28 69 70 2c | 20 22 61 73 69 6e 22 2c |ncmp(ip,| "asin",|
|00002880| 20 34 29 20 26 26 20 21 | 69 73 61 6c 70 68 61 28 | 4) && !|isalpha(|
|00002890| 2a 28 69 70 2b 34 29 29 | 29 20 7b 0a 09 09 09 09 |*(ip+4))|) {.....|
|000028a0| 79 79 6c 76 61 6c 2e 66 | 75 6e 63 20 3d 20 61 73 |yylval.f|unc = as|
|000028b0| 69 6e 3b 0a 09 09 09 09 | 69 70 20 3d 20 69 70 20 |in;.....|ip = ip |
|000028c0| 2b 20 34 3b 0a 09 09 09 | 09 72 65 74 75 72 6e 28 |+ 4;....|.return(|
|000028d0| 46 55 4e 43 54 49 4f 4e | 29 3b 0a 09 09 09 7d 0a |FUNCTION|);....}.|
|000028e0| 09 09 09 69 66 20 28 21 | 73 74 72 6e 63 6d 70 28 |...if (!|strncmp(|
|000028f0| 69 70 2c 20 22 61 63 6f | 73 22 2c 20 34 29 20 26 |ip, "aco|s", 4) &|
|00002900| 26 20 21 69 73 61 6c 70 | 68 61 28 2a 28 69 70 2b |& !isalp|ha(*(ip+|
|00002910| 34 29 29 29 20 7b 0a 09 | 09 09 09 79 79 6c 76 61 |4))) {..|...yylva|
|00002920| 6c 2e 66 75 6e 63 20 3d | 20 61 63 6f 73 3b 0a 09 |l.func =| acos;..|
|00002930| 09 09 09 69 70 20 3d 20 | 69 70 20 2b 20 34 3b 0a |...ip = |ip + 4;.|
|00002940| 09 09 09 09 72 65 74 75 | 72 6e 28 46 55 4e 43 54 |....retu|rn(FUNCT|
|00002950| 49 4f 4e 29 3b 0a 09 09 | 09 7d 0a 09 09 09 69 66 |ION);...|.}....if|
|00002960| 20 28 21 73 74 72 6e 63 | 6d 70 28 69 70 2c 20 22 | (!strnc|mp(ip, "|
|00002970| 61 74 61 6e 22 2c 20 34 | 29 20 26 26 20 21 69 73 |atan", 4|) && !is|
|00002980| 61 6c 70 68 61 28 2a 28 | 69 70 2b 34 29 29 29 20 |alpha(*(|ip+4))) |
|00002990| 7b 0a 09 09 09 09 79 79 | 6c 76 61 6c 2e 66 75 6e |{.....yy|lval.fun|
|000029a0| 63 20 3d 20 61 74 61 6e | 3b 0a 09 09 09 09 69 70 |c = atan|;.....ip|
|000029b0| 20 3d 20 69 70 20 2b 20 | 34 3b 0a 09 09 09 09 72 | = ip + |4;.....r|
|000029c0| 65 74 75 72 6e 28 46 55 | 4e 43 54 49 4f 4e 29 3b |eturn(FU|NCTION);|
|000029d0| 0a 09 09 09 7d 0a 09 09 | 09 69 66 20 28 21 73 74 |....}...|.if (!st|
|000029e0| 72 6e 63 6d 70 28 69 70 | 2c 20 22 73 71 72 74 22 |rncmp(ip|, "sqrt"|
|000029f0| 2c 20 34 29 20 26 26 20 | 21 69 73 61 6c 70 68 61 |, 4) && |!isalpha|
|00002a00| 28 2a 28 69 70 2b 34 29 | 29 29 20 7b 0a 09 09 09 |(*(ip+4)|)) {....|
|00002a10| 09 79 79 6c 76 61 6c 2e | 66 75 6e 63 20 3d 20 73 |.yylval.|func = s|
|00002a20| 71 72 74 3b 0a 09 09 09 | 09 69 70 20 3d 20 69 70 |qrt;....|.ip = ip|
|00002a30| 20 2b 20 34 3b 0a 09 09 | 09 09 72 65 74 75 72 6e | + 4;...|..return|
|00002a40| 28 46 55 4e 43 54 49 4f | 4e 29 3b 0a 09 09 09 7d |(FUNCTIO|N);....}|
|00002a50| 0a 09 09 09 69 66 20 28 | 21 73 74 72 6e 63 6d 70 |....if (|!strncmp|
|00002a60| 28 69 70 2c 20 22 73 69 | 6e 22 2c 20 33 29 20 26 |(ip, "si|n", 3) &|
|00002a70| 26 20 21 69 73 61 6c 70 | 68 61 28 2a 28 69 70 2b |& !isalp|ha(*(ip+|
|00002a80| 33 29 29 29 20 7b 0a 09 | 09 09 09 79 79 6c 76 61 |3))) {..|...yylva|
|00002a90| 6c 2e 66 75 6e 63 20 3d | 20 73 69 6e 3b 0a 09 09 |l.func =| sin;...|
|00002aa0| 09 09 69 70 20 3d 20 69 | 70 20 2b 20 33 3b 0a 09 |..ip = i|p + 3;..|
|00002ab0| 09 09 09 72 65 74 75 72 | 6e 28 46 55 4e 43 54 49 |...retur|n(FUNCTI|
|00002ac0| 4f 4e 29 3b 0a 09 09 09 | 7d 0a 09 09 09 69 66 20 |ON);....|}....if |
|00002ad0| 28 21 73 74 72 6e 63 6d | 70 28 69 70 2c 20 22 63 |(!strncm|p(ip, "c|
|00002ae0| 6f 73 22 2c 20 33 29 20 | 26 26 20 21 69 73 61 6c |os", 3) |&& !isal|
|00002af0| 70 68 61 28 2a 28 69 70 | 2b 33 29 29 29 20 7b 0a |pha(*(ip|+3))) {.|
|00002b00| 09 09 09 09 79 79 6c 76 | 61 6c 2e 66 75 6e 63 20 |....yylv|al.func |
|00002b10| 3d 20 63 6f 73 3b 0a 09 | 09 09 09 69 70 20 3d 20 |= cos;..|...ip = |
|00002b20| 69 70 20 2b 20 33 3b 0a | 09 09 09 09 72 65 74 75 |ip + 3;.|....retu|
|00002b30| 72 6e 28 46 55 4e 43 54 | 49 4f 4e 29 3b 0a 09 09 |rn(FUNCT|ION);...|
|00002b40| 09 7d 0a 09 09 09 69 66 | 20 28 21 73 74 72 6e 63 |.}....if| (!strnc|
|00002b50| 6d 70 28 69 70 2c 20 22 | 74 61 6e 22 2c 20 33 29 |mp(ip, "|tan", 3)|
|00002b60| 20 26 26 20 21 69 73 61 | 6c 70 68 61 28 2a 28 69 | && !isa|lpha(*(i|
|00002b70| 70 2b 33 29 29 29 20 7b | 0a 09 09 09 09 79 79 6c |p+3))) {|.....yyl|
|00002b80| 76 61 6c 2e 66 75 6e 63 | 20 3d 20 74 61 6e 3b 0a |val.func| = tan;.|
|00002b90| 09 09 09 09 69 70 20 3d | 20 69 70 20 2b 20 33 3b |....ip =| ip + 3;|
|00002ba0| 0a 09 09 09 09 72 65 74 | 75 72 6e 28 46 55 4e 43 |.....ret|urn(FUNC|
|00002bb0| 54 49 4f 4e 29 3b 0a 09 | 09 09 7d 0a 09 09 09 69 |TION);..|..}....i|
|00002bc0| 66 20 28 21 73 74 72 6e | 63 6d 70 28 69 70 2c 20 |f (!strn|cmp(ip, |
|00002bd0| 22 65 78 70 22 2c 20 33 | 29 20 26 26 20 21 69 73 |"exp", 3|) && !is|
|00002be0| 61 6c 70 68 61 28 2a 28 | 69 70 2b 33 29 29 29 20 |alpha(*(|ip+3))) |
|00002bf0| 7b 0a 09 09 09 09 79 79 | 6c 76 61 6c 2e 66 75 6e |{.....yy|lval.fun|
|00002c00| 63 20 3d 20 65 78 70 3b | 0a 09 09 09 09 69 70 20 |c = exp;|.....ip |
|00002c10| 3d 20 69 70 20 2b 20 33 | 3b 0a 09 09 09 09 72 65 |= ip + 3|;.....re|
|00002c20| 74 75 72 6e 28 46 55 4e | 43 54 49 4f 4e 29 3b 0a |turn(FUN|CTION);.|
|00002c30| 09 09 09 7d 0a 09 09 09 | 69 66 20 28 21 73 74 72 |...}....|if (!str|
|00002c40| 6e 63 6d 70 28 69 70 2c | 20 22 6c 6f 67 22 2c 20 |ncmp(ip,| "log", |
|00002c50| 33 29 20 26 26 20 21 69 | 73 61 6c 70 68 61 28 2a |3) && !i|salpha(*|
|00002c60| 28 69 70 2b 33 29 29 29 | 20 7b 0a 09 09 09 09 79 |(ip+3)))| {.....y|
|00002c70| 79 6c 76 61 6c 2e 66 75 | 6e 63 20 3d 20 6c 6f 67 |ylval.fu|nc = log|
|00002c80| 31 30 3b 0a 09 09 09 09 | 69 70 20 3d 20 69 70 20 |10;.....|ip = ip |
|00002c90| 2b 20 33 3b 0a 09 09 09 | 09 72 65 74 75 72 6e 28 |+ 3;....|.return(|
|00002ca0| 46 55 4e 43 54 49 4f 4e | 29 3b 0a 09 09 09 7d 0a |FUNCTION|);....}.|
|00002cb0| 09 09 09 69 66 20 28 21 | 73 74 72 6e 63 6d 70 28 |...if (!|strncmp(|
|00002cc0| 69 70 2c 20 22 6c 6e 22 | 2c 20 32 29 20 26 26 20 |ip, "ln"|, 2) && |
|00002cd0| 21 69 73 61 6c 70 68 61 | 28 2a 28 69 70 2b 32 29 |!isalpha|(*(ip+2)|
|00002ce0| 29 29 20 7b 0a 09 09 09 | 09 79 79 6c 76 61 6c 2e |)) {....|.yylval.|
|00002cf0| 66 75 6e 63 20 3d 20 6c | 6f 67 3b 0a 09 09 09 09 |func = l|og;.....|
|00002d00| 69 70 20 3d 20 69 70 20 | 2b 20 32 3b 0a 09 09 09 |ip = ip |+ 2;....|
|00002d10| 09 72 65 74 75 72 6e 28 | 46 55 4e 43 54 49 4f 4e |.return(|FUNCTION|
|00002d20| 29 3b 0a 09 09 09 7d 0a | 0a 09 09 09 2f 2a 0a 09 |);....}.|..../*..|
|00002d30| 09 09 20 2a 20 43 68 65 | 63 6b 20 66 6f 72 20 74 |.. * Che|ck for t|
|00002d40| 68 65 20 73 63 61 6c 65 | 20 76 61 72 69 61 62 6c |he scale| variabl|
|00002d50| 65 2e 0a 09 09 09 20 2a | 2f 0a 09 09 09 69 66 20 |e..... *|/....if |
|00002d60| 28 21 73 74 72 6e 63 6d | 70 28 69 70 2c 20 22 73 |(!strncm|p(ip, "s|
|00002d70| 63 61 6c 65 22 2c 20 35 | 29 20 26 26 20 21 69 73 |cale", 5|) && !is|
|00002d80| 61 6c 70 68 61 28 2a 28 | 69 70 2b 35 29 29 29 20 |alpha(*(|ip+5))) |
|00002d90| 7b 0a 09 09 09 09 69 70 | 20 3d 20 69 70 20 2b 20 |{.....ip| = ip + |
|00002da0| 35 3b 0a 09 09 09 09 72 | 65 74 75 72 6e 28 53 43 |5;.....r|eturn(SC|
|00002db0| 41 4c 45 29 3b 0a 09 09 | 09 7d 0a 09 09 09 0a 09 |ALE);...|.}......|
|00002dc0| 09 09 2f 2a 0a 09 09 09 | 20 2a 20 43 68 65 63 6b |../*....| * Check|
|00002dd0| 20 66 6f 72 20 74 68 65 | 20 68 65 6c 70 20 63 6f | for the| help co|
|00002de0| 6d 6d 61 6e 64 2e 0a 09 | 09 09 20 2a 2f 0a 09 09 |mmand...|.. */...|
|00002df0| 09 69 66 20 28 21 73 74 | 72 6e 63 6d 70 28 69 70 |.if (!st|rncmp(ip|
|00002e00| 2c 20 22 68 65 6c 70 22 | 2c 20 34 29 20 26 26 20 |, "help"|, 4) && |
|00002e10| 21 69 73 61 6c 70 68 61 | 28 2a 28 69 70 2b 34 29 |!isalpha|(*(ip+4)|
|00002e20| 29 29 20 7b 0a 09 09 09 | 09 69 70 20 3d 20 69 70 |)) {....|.ip = ip|
|00002e30| 20 2b 20 34 3b 0a 09 09 | 09 09 72 65 74 75 72 6e | + 4;...|..return|
|00002e40| 28 48 45 4c 50 29 3b 0a | 09 09 09 7d 0a 09 09 09 |(HELP);.|...}....|
|00002e50| 0a 09 09 09 2f 2a 0a 09 | 09 09 20 2a 20 49 66 20 |..../*..|.. * If |
|00002e60| 77 65 20 6d 61 6b 65 20 | 69 74 20 74 68 69 73 20 |we make |it this |
|00002e70| 66 61 72 2c 20 77 65 20 | 6d 75 73 74 20 68 61 76 |far, we |must hav|
|00002e80| 65 20 61 0a 09 09 09 20 | 2a 20 72 65 67 69 73 74 |e a.... |* regist|
|00002e90| 65 72 20 72 65 66 65 72 | 65 6e 63 65 2e 0a 09 09 |er refer|ence....|
|00002ea0| 09 20 2a 2f 0a 09 09 09 | 79 79 6c 76 61 6c 2e 69 |. */....|yylval.i|
|00002eb0| 76 61 6c 20 3d 20 2a 69 | 70 2b 2b 20 2d 20 27 61 |val = *i|p++ - 'a|
|00002ec0| 27 3b 0a 09 09 09 72 65 | 74 75 72 6e 28 52 45 47 |';....re|turn(REG|
|00002ed0| 49 53 54 45 52 29 3b 0a | 09 09 7d 0a 09 09 0a 09 |ISTER);.|..}.....|
|00002ee0| 09 2f 2a 0a 09 09 20 2a | 20 43 6f 6e 73 74 61 6e |./*... *| Constan|
|00002ef0| 74 2e 0a 09 09 20 2a 2f | 0a 09 09 69 66 20 28 2a |t.... */|...if (*|
|00002f00| 69 70 20 3d 3d 20 27 40 | 27 29 20 7b 0a 09 09 09 |ip == '@|') {....|
|00002f10| 69 70 2b 2b 3b 0a 09 09 | 09 0a 09 09 09 69 66 20 |ip++;...|.....if |
|00002f20| 28 21 73 74 72 6e 63 6d | 70 28 69 70 2c 20 22 70 |(!strncm|p(ip, "p|
|00002f30| 69 22 2c 20 32 29 20 26 | 26 20 21 69 73 61 6c 70 |i", 2) &|& !isalp|
|00002f40| 68 61 28 2a 28 69 70 2b | 32 29 29 29 20 7b 0a 09 |ha(*(ip+|2))) {..|
|00002f50| 09 09 09 69 70 20 3d 20 | 69 70 20 2b 20 32 3b 0a |...ip = |ip + 2;.|
|00002f60| 09 09 09 09 79 79 6c 76 | 61 6c 2e 64 76 61 6c 20 |....yylv|al.dval |
|00002f70| 3d 20 70 69 3b 0a 09 09 | 09 09 72 65 74 75 72 6e |= pi;...|..return|
|00002f80| 28 4e 55 4d 42 45 52 29 | 3b 0a 09 09 09 7d 0a 09 |(NUMBER)|;....}..|
|00002f90| 09 09 0a 09 09 09 69 66 | 20 28 28 2a 69 70 20 3d |......if| ((*ip =|
|00002fa0| 3d 20 27 65 27 29 20 26 | 26 20 21 69 73 61 6c 70 |= 'e') &|& !isalp|
|00002fb0| 68 61 28 2a 28 69 70 2b | 31 29 29 29 20 7b 0a 09 |ha(*(ip+|1))) {..|
|00002fc0| 09 09 09 69 70 2b 2b 3b | 0a 09 09 09 09 79 79 6c |...ip++;|.....yyl|
|00002fd0| 76 61 6c 2e 64 76 61 6c | 20 3d 20 65 3b 0a 09 09 |val.dval| = e;...|
|00002fe0| 09 09 72 65 74 75 72 6e | 28 4e 55 4d 42 45 52 29 |..return|(NUMBER)|
|00002ff0| 3b 0a 09 09 09 7d 0a 09 | 09 09 0a 09 09 09 79 79 |;....}..|......yy|
|00003000| 6c 76 61 6c 2e 69 76 61 | 6c 20 3d 20 27 40 27 3b |lval.iva|l = '@';|
|00003010| 0a 09 09 09 72 65 74 75 | 72 6e 28 27 40 27 29 3b |....retu|rn('@');|
|00003020| 09 09 2f 2a 20 63 61 75 | 73 65 20 70 61 72 73 65 |../* cau|se parse|
|00003030| 72 20 65 72 72 6f 72 20 | 2a 2f 0a 09 09 7d 0a 09 |r error |*/...}..|
|00003040| 09 0a 09 09 2f 2a 0a 09 | 09 20 2a 20 4f 70 65 72 |..../*..|. * Oper|
|00003050| 61 74 6f 72 2e 0a 09 09 | 20 2a 2f 0a 09 09 69 66 |ator....| */...if|
|00003060| 20 28 28 2a 69 70 20 3d | 3d 20 27 2b 27 29 20 7c | ((*ip =|= '+') ||
|00003070| 7c 20 28 2a 69 70 20 3d | 3d 20 27 2d 27 29 20 7c || (*ip =|= '-') ||
|00003080| 7c 20 28 2a 69 70 20 3d | 3d 20 27 2a 27 29 20 7c || (*ip =|= '*') ||
|00003090| 7c 0a 09 09 20 20 20 20 | 28 2a 69 70 20 3d 3d 20 ||...    |(*ip == |
|000030a0| 27 2f 27 29 20 7c 7c 20 | 28 2a 69 70 20 3d 3d 20 |'/') || |(*ip == |
|000030b0| 27 25 27 29 20 7c 7c 20 | 28 2a 69 70 20 3d 3d 20 |'%') || |(*ip == |
|000030c0| 27 5e 27 29 20 7c 7c 0a | 09 09 20 20 20 20 28 2a |'^') ||.|..    (*|
|000030d0| 69 70 20 3d 3d 20 27 28 | 27 29 20 7c 7c 20 28 2a |ip == '(|') || (*|
|000030e0| 69 70 20 3d 3d 20 27 29 | 27 29 20 7c 7c 20 28 2a |ip == ')|') || (*|
|000030f0| 69 70 20 3d 3d 20 27 3d | 27 29 29 20 7b 0a 09 09 |ip == '=|')) {...|
|00003100| 20 20 20 20 20 20 20 20 | 79 79 6c 76 61 6c 2e 69 |        |yylval.i|
|00003110| 76 61 6c 20 3d 20 2a 69 | 70 3b 0a 09 09 20 20 20 |val = *i|p;...   |
|00003120| 20 09 72 65 74 75 72 6e | 28 2a 69 70 2b 2b 29 3b | .return|(*ip++);|
|00003130| 0a 09 20 20 20 20 09 7d | 0a 0a 09 09 2f 2a 0a 09 |..    .}|..../*..|
|00003140| 09 20 2a 20 4e 75 6d 62 | 65 72 2e 0a 09 09 20 2a |. * Numb|er.... *|
|00003150| 2f 0a 09 09 69 66 20 28 | 69 73 64 69 67 69 74 28 |/...if (|isdigit(|
|00003160| 2a 69 70 29 20 7c 7c 20 | 28 2a 69 70 20 3d 3d 20 |*ip) || |(*ip == |
|00003170| 27 2e 27 29 29 20 7b 0a | 09 09 09 79 79 6c 76 61 |'.')) {.|...yylva|
|00003180| 6c 2e 64 76 61 6c 20 3d | 20 30 2e 30 3b 0a 09 09 |l.dval =| 0.0;...|
|00003190| 09 66 72 61 63 20 3d 20 | 31 30 2e 30 3b 0a 09 09 |.frac = |10.0;...|
|000031a0| 09 0a 09 09 09 77 68 69 | 6c 65 20 28 69 73 64 69 |.....whi|le (isdi|
|000031b0| 67 69 74 28 2a 69 70 29 | 29 20 7b 0a 09 09 09 09 |git(*ip)|) {.....|
|000031c0| 79 79 6c 76 61 6c 2e 64 | 76 61 6c 20 3d 20 79 79 |yylval.d|val = yy|
|000031d0| 6c 76 61 6c 2e 64 76 61 | 6c 20 2a 20 31 30 2e 30 |lval.dva|l * 10.0|
|000031e0| 20 2b 20 2a 69 70 20 2d | 20 27 30 27 3b 0a 09 09 | + *ip -| '0';...|
|000031f0| 09 09 69 70 2b 2b 3b 0a | 09 09 09 7d 0a 09 09 09 |..ip++;.|...}....|
|00003200| 0a 09 09 09 69 66 20 28 | 2a 69 70 20 3d 3d 20 27 |....if (|*ip == '|
|00003210| 2e 27 29 20 7b 0a 09 09 | 09 09 69 70 2b 2b 3b 0a |.') {...|..ip++;.|
|00003220| 09 09 09 09 0a 09 09 09 | 09 77 68 69 6c 65 20 28 |........|.while (|
|00003230| 69 73 64 69 67 69 74 28 | 2a 69 70 29 29 20 7b 0a |isdigit(|*ip)) {.|
|00003240| 09 09 09 09 09 79 79 6c | 76 61 6c 2e 64 76 61 6c |.....yyl|val.dval|
|00003250| 20 3d 20 79 79 6c 76 61 | 6c 2e 64 76 61 6c 20 2b | = yylva|l.dval +|
|00003260| 20 28 2a 69 70 20 2d 20 | 27 30 27 29 20 2f 20 66 | (*ip - |'0') / f|
|00003270| 72 61 63 3b 0a 09 09 09 | 09 09 66 72 61 63 20 3d |rac;....|..frac =|
|00003280| 20 66 72 61 63 20 2a 20 | 31 30 2e 30 3b 0a 09 09 | frac * |10.0;...|
|00003290| 09 09 09 69 70 2b 2b 3b | 0a 09 09 09 09 7d 0a 09 |...ip++;|.....}..|
|000032a0| 09 09 7d 0a 09 09 09 0a | 09 09 09 72 65 74 75 72 |..}.....|...retur|
|000032b0| 6e 28 4e 55 4d 42 45 52 | 29 3b 0a 09 09 7d 0a 0a |n(NUMBER|);...}..|
|000032c0| 09 09 2f 2a 0a 09 09 20 | 2a 20 50 72 6f 64 75 63 |../*... |* Produc|
|000032d0| 65 20 61 20 70 61 72 73 | 65 72 20 65 72 72 6f 72 |e a pars|er error|
|000032e0| 2e 0a 09 09 20 2a 2f 0a | 09 09 79 79 6c 76 61 6c |.... */.|..yylval|
|000032f0| 2e 69 76 61 6c 20 3d 20 | 27 40 27 3b 0a 09 09 72 |.ival = |'@';...r|
|00003300| 65 74 75 72 6e 28 27 40 | 27 29 3b 09 09 09 2f 2a |eturn('@|');.../*|
|00003310| 20 63 61 75 73 65 20 70 | 61 72 73 65 72 20 65 72 | cause p|arser er|
|00003320| 72 6f 72 20 2a 2f 0a 09 | 7d 0a 7d 0a 0a 2f 2a 0a |ror */..|}.}../*.|
|00003330| 20 2a 79 79 65 72 72 6f | 72 20 2d 20 70 72 69 6e | *yyerro|r - prin|
|00003340| 74 20 65 72 72 6f 72 20 | 6d 65 73 73 61 67 65 2e |t error |message.|
|00003350| 0a 20 2a 2f 0a 79 79 65 | 72 72 6f 72 28 73 29 0a |. */.yye|rror(s).|
|00003360| 63 68 61 72 20 2a 73 3b | 0a 7b 0a 09 66 70 72 69 |char *s;|.{..fpri|
|00003370| 6e 74 66 28 73 74 64 65 | 72 72 2c 20 22 25 73 5c |ntf(stde|rr, "%s\|
|00003380| 6e 22 2c 20 73 29 3b 0a | 7d 0a 0a 2f 2a 0a 20 2a |n", s);.|}../*. *|
|00003390| 20 68 65 6c 70 20 2d 20 | 70 72 69 6e 74 20 61 20 | help - |print a |
|000033a0| 68 65 6c 70 20 6d 65 73 | 73 61 67 65 2e 0a 20 2a |help mes|sage.. *|
|000033b0| 2f 0a 68 65 6c 70 28 29 | 0a 7b 0a 09 70 72 69 6e |/.help()|.{..prin|
|000033c0| 74 66 28 22 5c 6e 4f 70 | 65 72 61 74 6f 72 73 3a |tf("\nOp|erators:|
|000033d0| 5c 6e 22 29 3b 0a 09 70 | 72 69 6e 74 66 28 22 5c |\n");..p|rintf("\|
|000033e0| 74 2b 20 20 2d 20 20 2a | 20 20 2f 20 20 25 20 20 |t+  -  *|  /  %  |
|000033f0| 5e 5c 6e 22 29 3b 0a 09 | 70 72 69 6e 74 66 28 22 |^\n");..|printf("|
|00003400| 5c 6e 46 75 6e 63 74 69 | 6f 6e 73 3a 5c 6e 22 29 |\nFuncti|ons:\n")|
|00003410| 3b 0a 09 70 72 69 6e 74 | 66 28 22 5c 74 73 69 6e |;..print|f("\tsin|
|00003420| 2c 20 63 6f 73 2c 20 74 | 61 6e 2c 20 61 73 69 6e |, cos, t|an, asin|
|00003430| 2c 20 61 63 6f 73 2c 20 | 61 74 61 6e 2c 20 22 29 |, acos, |atan, ")|
|00003440| 3b 0a 09 70 72 69 6e 74 | 66 28 22 65 78 70 2c 20 |;..print|f("exp, |
|00003450| 6c 6e 2c 20 6c 6f 67 2c | 20 73 71 72 74 5c 6e 22 |ln, log,| sqrt\n"|
|00003460| 29 3b 0a 09 70 72 69 6e | 74 66 28 22 5c 6e 43 6f |);..prin|tf("\nCo|
|00003470| 6e 73 74 61 6e 74 73 3a | 5c 6e 22 29 3b 0a 09 70 |nstants:|\n");..p|
|00003480| 72 69 6e 74 66 28 22 5c | 74 40 65 2c 20 40 70 69 |rintf("\|t@e, @pi|
|00003490| 5c 6e 22 29 3b 0a 09 70 | 72 69 6e 74 66 28 22 5c |\n");..p|rintf("\|
|000034a0| 6e 52 65 67 69 73 74 65 | 72 73 3a 5c 6e 22 29 3b |nRegiste|rs:\n");|
|000034b0| 0a 09 70 72 69 6e 74 66 | 28 22 5c 74 61 2d 7a 2c |..printf|("\ta-z,|
|000034c0| 20 73 63 61 6c 65 5c 6e | 22 29 3b 0a 09 70 72 69 | scale\n|");..pri|
|000034d0| 6e 74 66 28 22 5c 6e 43 | 6f 6d 6d 61 6e 64 73 20 |ntf("\nC|ommands |
|000034e0| 6d 61 79 20 62 65 20 73 | 65 70 61 72 61 74 65 64 |may be s|eparated|
|000034f0| 20 62 79 20 6e 65 77 6c | 69 6e 65 73 20 6f 72 20 | by newl|ines or |
|00003500| 73 65 6d 69 63 6f 6c 6f | 6e 73 2e 5c 6e 22 29 3b |semicolo|ns.\n");|
|00003510| 0a 09 70 72 69 6e 74 66 | 28 22 5c 6e 22 29 3b 0a |..printf|("\n");.|
|00003520| 7d 0a 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |}.......|........|
|00003530| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003540| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003550| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003560| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003570| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003580| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003590| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000035a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000035b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000035c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000035d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000035e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000035f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003600| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003610| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003620| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003630| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003640| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003650| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003660| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003670| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003680| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003690| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000036f0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003700| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003710| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003720| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003730| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003740| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003750| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003760| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003770| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003780| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00003790| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037a0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037b0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000037e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00003960| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
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|00003b90| 61 20 66 75 6e 63 74 69 | 6f 6e 20 66 6f 72 0a 20 |a functi|on for. |
|00003ba0| 2a 20 66 75 6e 63 74 69 | 6f 6e 20 63 61 6c 6c 73 |* functi|on calls|
|00003bb0| 2e 0a 20 2a 2f 0a 25 75 | 6e 69 6f 6e 20 7b 0a 09 |.. */.%u|nion {..|
|00003bc0| 69 6e 74 20 69 76 61 6c | 3b 0a 09 64 6f 75 62 6c |int ival|;..doubl|
|00003bd0| 65 20 64 76 61 6c 3b 0a | 09 64 6f 75 62 6c 65 20 |e dval;.|.double |
|00003be0| 28 2a 66 75 6e 63 29 28 | 29 3b 0a 7d 0a 0a 2f 2a |(*func)(|);.}../*|
|00003bf0| 0a 20 2a 20 45 78 70 72 | 65 73 73 69 6f 6e 73 20 |. * Expr|essions |
|00003c00| 61 72 65 20 64 6f 75 62 | 6c 65 73 2e 0a 20 2a 2f |are doub|les.. */|
|00003c10| 0a 25 74 79 70 65 20 3c | 64 76 61 6c 3e 20 65 78 |.%type <|dval> ex|
|00003c20| 70 72 0a 0a 2f 2a 0a 20 | 2a 20 4e 4c 20 2d 20 6e |pr../*. |* NL - n|
|00003c30| 65 77 6c 69 6e 65 0a 20 | 2a 20 48 45 4c 50 20 2d |ewline. |* HELP -|
|00003c40| 20 68 65 6c 70 20 63 6f | 6d 6d 61 6e 64 0a 20 2a | help co|mmand. *|
|00003c50| 20 53 43 41 4c 45 20 2d | 20 73 63 61 6c 65 20 76 | SCALE -| scale v|
|00003c60| 61 72 69 61 62 6c 65 0a | 20 2a 20 45 4f 46 49 4c |ariable.| * EOFIL|
|00003c70| 45 20 2d 20 65 6e 64 20 | 6f 66 20 66 69 6c 65 0a |E - end |of file.|
|00003c80| 20 2a 20 52 45 47 49 53 | 54 45 52 20 2d 20 72 65 | * REGIS|TER - re|
|00003c90| 67 69 73 74 65 72 20 72 | 65 66 65 72 65 6e 63 65 |gister r|eference|
|00003ca0| 0a 20 2a 20 46 55 4e 43 | 54 49 4f 4e 20 2d 20 66 |. * FUNC|TION - f|
|00003cb0| 75 6e 63 74 69 6f 6e 20 | 6e 61 6d 65 0a 20 2a 20 |unction |name. * |
|00003cc0| 4e 55 4d 42 45 52 20 2d | 20 63 6f 6e 73 74 61 6e |NUMBER -| constan|
|00003cd0| 74 0a 20 2a 2f 0a 25 74 | 6f 6b 65 6e 20 3c 69 76 |t. */.%t|oken <iv|
|00003ce0| 61 6c 3e 20 4e 4c 20 48 | 45 4c 50 20 53 43 41 4c |al> NL H|ELP SCAL|
|00003cf0| 45 20 45 4f 46 49 4c 45 | 0a 25 74 6f 6b 65 6e 20 |E EOFILE|.%token |
|00003d00| 3c 69 76 61 6c 3e 20 52 | 45 47 49 53 54 45 52 0a |<ival> R|EGISTER.|
|00003d10| 25 74 6f 6b 65 6e 20 3c | 66 75 6e 63 3e 20 46 55 |%token <|func> FU|
|00003d20| 4e 43 54 49 4f 4e 0a 25 | 74 6f 6b 65 6e 20 3c 64 |NCTION.%|token <d|
|00003d30| 76 61 6c 3e 20 4e 55 4d | 42 45 52 0a 0a 25 6c 65 |val> NUM|BER..%le|
|00003d40| 66 74 20 27 2b 27 20 27 | 2d 27 0a 25 6c 65 66 74 |ft '+' '|-'.%left|
|00003d50| 20 27 2a 27 20 27 2f 27 | 20 27 25 27 0a 25 6c 65 | '*' '/'| '%'.%le|
|00003d60| 66 74 20 27 5e 27 0a 25 | 6c 65 66 74 20 55 4d 49 |ft '^'.%|left UMI|
|00003d70| 4e 55 53 0a 0a 25 25 0a | 0a 6c 69 6e 65 73 09 3a |NUS..%%.|.lines.:|
|00003d80| 0a 09 7c 09 6c 69 6e 65 | 73 20 6c 69 6e 65 0a 09 |..|.line|s line..|
|00003d90| 3b 0a 0a 6c 69 6e 65 09 | 3a 09 45 4f 46 49 4c 45 |;..line.|:.EOFILE|
|00003da0| 0a 09 09 09 7b 20 69 66 | 20 28 21 63 6d 64 6c 69 |....{ if| (!cmdli|
|00003db0| 6e 65 29 0a 09 09 09 09 | 70 75 74 63 68 61 72 28 |ne).....|putchar(|
|00003dc0| 27 5c 6e 27 29 3b 0a 09 | 09 09 20 20 65 78 69 74 |'\n');..|..  exit|
|00003dd0| 28 30 29 3b 0a 09 09 09 | 7d 0a 09 7c 09 65 78 70 |(0);....|}..|.exp|
|00003de0| 72 20 4e 4c 0a 09 09 09 | 7b 20 69 66 20 28 65 72 |r NL....|{ if (er|
|00003df0| 72 6e 6f 20 3d 3d 20 45 | 52 41 4e 47 45 29 0a 09 |rno == E|RANGE)..|
|00003e00| 09 09 09 79 79 65 72 72 | 6f 72 28 22 72 61 6e 67 |...yyerr|or("rang|
|00003e10| 65 20 65 72 72 6f 72 22 | 29 3b 0a 09 09 09 20 20 |e error"|);....  |
|00003e20| 65 6c 73 65 20 69 66 20 | 28 65 72 72 6e 6f 20 3d |else if |(errno =|
|00003e30| 3d 20 45 44 4f 4d 29 0a | 09 09 09 20 20 09 79 79 |= EDOM).|...  .yy|
|00003e40| 65 72 72 6f 72 28 22 64 | 6f 6d 61 69 6e 20 65 72 |error("d|omain er|
|00003e50| 72 6f 72 22 29 3b 0a 09 | 09 09 20 20 65 6c 73 65 |ror");..|..  else|
|00003e60| 0a 09 09 09 20 20 09 70 | 72 69 6e 74 66 28 22 25 |....  .p|rintf("%|
|00003e70| 2e 2a 66 5c 6e 22 2c 20 | 73 63 61 6c 65 2c 20 24 |.*f\n", |scale, $|
|00003e80| 31 29 3b 0a 09 09 09 20 | 20 65 72 72 6e 6f 20 3d |1);.... | errno =|
|00003e90| 20 30 3b 0a 09 09 09 7d | 0a 09 7c 09 53 43 41 4c | 0;....}|..|.SCAL|
|00003ea0| 45 20 27 3d 27 20 65 78 | 70 72 20 4e 4c 0a 09 09 |E '=' ex|pr NL...|
|00003eb0| 09 7b 20 73 63 61 6c 65 | 20 3d 20 28 69 6e 74 29 |.{ scale| = (int)|
|00003ec0| 20 24 33 3b 20 7d 0a 09 | 7c 09 52 45 47 49 53 54 | $3; }..||.REGIST|
|00003ed0| 45 52 20 27 3d 27 20 65 | 78 70 72 20 4e 4c 0a 09 |ER '=' e|xpr NL..|
|00003ee0| 09 09 7b 20 72 65 67 69 | 73 74 65 72 73 5b 24 31 |..{ regi|sters[$1|
|00003ef0| 5d 20 3d 20 24 33 3b 20 | 7d 0a 09 7c 09 53 43 41 |] = $3; |}..|.SCA|
|00003f00| 4c 45 20 4e 4c 0a 09 09 | 09 7b 20 70 72 69 6e 74 |LE NL...|.{ print|
|00003f10| 66 28 22 53 63 61 6c 65 | 20 70 72 65 73 65 6e 74 |f("Scale| present|
|00003f20| 6c 79 20 73 65 74 20 74 | 6f 20 25 64 20 64 69 67 |ly set t|o %d dig|
|00003f30| 69 74 73 2e 5c 6e 22 2c | 20 73 63 61 6c 65 29 3b |its.\n",| scale);|
|00003f40| 20 7d 0a 09 7c 09 48 45 | 4c 50 20 4e 4c 0a 09 09 | }..|.HE|LP NL...|
|00003f50| 09 7b 20 68 65 6c 70 28 | 29 3b 20 7d 0a 09 7c 09 |.{ help(|); }..|.|
|00003f60| 65 72 72 6f 72 20 0a 09 | 09 09 7b 20 2a 69 70 20 |error ..|..{ *ip |
|00003f70| 3d 20 4e 55 4c 4c 3b 20 | 79 79 63 6c 65 61 72 69 |= NULL; |yycleari|
|00003f80| 6e 3b 20 79 79 65 72 72 | 6f 6b 3b 20 7d 0a 09 3b |n; yyerr|ok; }..;|
|00003f90| 0a 0a 65 78 70 72 20 09 | 3a 09 65 78 70 72 20 27 |..expr .|:.expr '|
|00003fa0| 2b 27 20 65 78 70 72 0a | 09 09 09 7b 20 24 24 20 |+' expr.|...{ $$ |
|00003fb0| 3d 20 24 31 20 2b 20 24 | 33 3b 20 7d 0a 09 7c 09 |= $1 + $|3; }..|.|
|00003fc0| 65 78 70 72 20 27 2d 27 | 20 65 78 70 72 0a 09 09 |expr '-'| expr...|
|00003fd0| 09 7b 20 24 24 20 3d 20 | 24 31 20 2d 20 24 33 3b |.{ $$ = |$1 - $3;|
|00003fe0| 20 7d 0a 09 7c 09 65 78 | 70 72 20 27 2a 27 20 65 | }..|.ex|pr '*' e|
|00003ff0| 78 70 72 0a 09 09 09 7b | 20 24 24 20 3d 20 24 31 |xpr....{| $$ = $1|
+--------+-------------------------+-------------------------+--------+--------+