diff options
Diffstat (limited to 'doc/design')
| -rw-r--r-- | doc/design/README | 2 | ||||
| -rw-r--r-- | doc/design/outfile.ps | 11703 |
2 files changed, 11704 insertions, 1 deletions
diff --git a/doc/design/README b/doc/design/README index 1e7a8af..87c660d 100644 --- a/doc/design/README +++ b/doc/design/README @@ -22,4 +22,4 @@ messages (although changing the paper size might produce one or two benign ones). Jeffrey H. Kingston -17 September 1999 +8 April 2000 diff --git a/doc/design/outfile.ps b/doc/design/outfile.ps new file mode 100644 index 0000000..904d913 --- /dev/null +++ b/doc/design/outfile.ps @@ -0,0 +1,11703 @@ +%!PS-Adobe-3.0 +%%Creator: Basser Lout Version 3.20 (April 2000) +%%CreationDate: Sat Apr 8 14:53:13 2000 +%%DocumentData: Binary +%%DocumentNeededResources: (atend) +%%DocumentSuppliedResources: (atend) +%%DocumentMedia: A4 595 842 0 white () +%%PageOrder: Ascend +%%Pages: (atend) +%%BoundingBox: 0 0 595 842 +%%EndComments + +%%BeginProlog +%%BeginResource: procset LoutStartUp +/m { 3 1 roll moveto show } bind def +/mo { 3 1 roll moveto true charpath stroke } bind def +/s { exch currentpoint exch pop moveto show } bind def +/so { exch currentpoint exch pop moveto true charpath stroke } bind def +/k { exch neg 0 rmoveto show } bind def +/ko { exch neg 0 rmoveto true charpath stroke } bind def +/ul { gsave setlinewidth dup 3 1 roll + moveto lineto stroke grestore } bind def +/in { 1440 mul } def +/cm { 567 mul } def +/pt { 20 mul } def +/em { 120 mul } def +/sp { louts mul } def +/vs { loutv mul } def +/ft { loutf mul } def +/dg { } def + +/LoutGraphic { + /louts exch def + /loutv exch def + /loutf exch def + /ymark exch def + /xmark exch def + /ysize exch def + /xsize exch def +} def + +/LoutGr2 { gsave translate LoutGraphic gsave } def + +/LoutFont +{ findfont exch scalefont setfont +} bind def + +/LoutRecode { + { findfont dup length dict begin + {1 index /FID ne {def} {pop pop} ifelse} forall + /Encoding exch def + currentdict end definefont pop + } + stopped pop +} bind def + +/BeginEPSF { + /LoutEPSFState save def + /dict_count countdictstack def + /op_count count 1 sub def + userdict begin + /showpage { } def + 0 setgray 0 setlinecap + 1 setlinewidth 0 setlinejoin + 10 setmiterlimit [] 0 setdash newpath + /languagelevel where + { pop languagelevel + 1 ne + { false setstrokeadjust false setoverprint + } if + } if +} bind def + +/EndEPSF { + count op_count sub { pop } repeat + countdictstack dict_count sub { end } repeat + LoutEPSFState restore +} bind def +%%EndResource + +%%BeginResource: encoding vec2 +/vec2 [ +/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef +/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef +/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef +/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef +/space /exclam /quotedbl /numbersign /dollar /percent /ampersand /quoteright +/parenleft /parenright /asterisk /plus /comma /hyphen /period /slash +/zero /one /two /three /four /five /six /seven +/eight /nine /colon /semicolon /less /equal /greater /question +/at /A /B /C /D /E /F /G +/H /I /J /K /L /M /N /O +/P /Q /R /S /T /U /V /W +/X /Y /Z /bracketleft /backslash /bracketright /asciicircum /underscore +/quoteleft /a /b /c /d /e /f /g +/h /i /j /k /l /m /n /o +/p /q /r /s /t /u /v /w +/x /y /z /braceleft /bar /braceright /asciitilde /.notdef +/quotesinglbase /quotedblbase /ellipsis /OE /oe /quotedblleft /quotedblright /fi +/fl /endash /emdash /bullet /dagger /daggerdbl /florin /fraction +/dotlessi /grave /acute /circumflex /tilde /macron /breve /dotaccent +/dieresis /.notdef /ring /cedilla /.notdef /hungarumlaut /ogonek /caron +/space /exclamdown /cent /sterling /currency /yen /brokenbar /section +/dieresis /copyright /ordfeminine /guillemotleft /logicalnot /hyphen /registered /macron +/degree /plusminus /twosuperior /threesuperior /acute /mu /paragraph /periodcentered +/cedilla /onesuperior /ordmasculine /guillemotright /onequarter /onehalf /threequarters /questiondown +/Agrave /Aacute /Acircumflex /Atilde /Adieresis /Aring /AE /Ccedilla +/Egrave /Eacute /Ecircumflex /Edieresis /Igrave /Iacute /Icircumflex /Idieresis +/Eth /Ntilde /Ograve /Oacute /Ocircumflex /Otilde /Odieresis /multiply +/Oslash /Ugrave /Uacute /Ucircumflex /Udieresis /Yacute /Thorn /germandbls +/agrave /aacute /acircumflex /atilde /adieresis /aring /ae /ccedilla +/egrave /eacute /ecircumflex /edieresis /igrave /iacute /icircumflex /idieresis +/eth /ntilde /ograve /oacute /ocircumflex /otilde /odieresis /divide +/oslash /ugrave /uacute /ucircumflex /udieresis /yacute /thorn /ydieresis +] def +%%EndResource + +%%BeginResource: procset LoutTabPrependGraphic +% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/tabf.lpg +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% % +% PostScript @SysPrependGraphic file for @Tab % +% % +% To assist in avoiding name clashes, the names % +% of all these symbols begin with "ltab". % +% % +% Jeffrey H. Kingston % +% 24 September 1991 % +% 22 December 1992 % +% % +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +% linewidth ltabhs - +% horizontal single line +/ltabhs +{ 0 0 moveto xsize 0 lineto + setlinewidth 0 setlinecap stroke +} def + +% linewidth ltabhsp - +% horizontal single line with projecting ends +/ltabhsp +{ 0 0 moveto xsize 0 lineto + setlinewidth 2 setlinecap stroke +} def + +% linewidth ltabhd - +% horizontal double line +/ltabhd +{ dup dup + 0 0 moveto xsize 0 lineto + 0 exch 3 mul moveto xsize exch 3 mul lineto + setlinewidth 0 setlinecap stroke +} def + +% linewidth ltabhdb - +% horizontal double line below mark +/ltabhdb +{ dup dup + 0 0 moveto xsize 0 lineto + 0 exch -3 mul moveto xsize exch -3 mul lineto + setlinewidth 0 setlinecap stroke +} def + +% linewidth ltabhdnw - +% horizontal double line with northwest corner +/ltabhdnw +{ dup dup dup dup + 0 0 moveto xsize 0 lineto + xsize exch 3 mul moveto + -3 mul exch 3 mul lineto + -3 mul 0 lineto + setlinewidth 0 setlinejoin 2 setlinecap stroke +} def + +% linewidth ltabhdne - +% horizontal double line with northeast corner +/ltabhdne +{ dup dup dup dup + 0 0 moveto xsize 0 lineto + 0 exch 3 mul moveto + 3 mul xsize add exch 3 mul lineto + 3 mul xsize add 0 lineto + setlinewidth 0 setlinejoin 2 setlinecap stroke +} def + +% linewidth ltabhdsw - +% horizontal double line with southwest corner +/ltabhdsw +{ dup dup dup dup + 0 0 moveto xsize 0 lineto + xsize exch -3 mul moveto + -3 mul exch -3 mul lineto + -3 mul 0 lineto + setlinewidth 0 setlinejoin 2 setlinecap stroke +} def + +% linewidth ltabhdse - +% horizontal double line with southeast corner +/ltabhdse +{ dup dup dup dup + 0 0 moveto xsize 0 lineto + 0 exch -3 mul moveto + 3 mul xsize add exch -3 mul lineto + 3 mul xsize add 0 lineto + setlinewidth 0 setlinejoin 2 setlinecap stroke +} def + +% linewidth ltabvs - +% vertical single line +/ltabvs +{ 0 0 moveto 0 ysize lineto + setlinewidth 0 setlinecap stroke +} def + +% linewidth ltabvd - +% vertical double line +/ltabvd +{ dup dup + 0 0 moveto 0 ysize lineto + -3 mul 0 moveto -3 mul ysize lineto + setlinewidth 0 setlinecap stroke +} def + +% linewidth ltabvdr - +% vertical double line to right of mark +/ltabvdr +{ dup dup + 0 0 moveto 0 ysize lineto + 3 mul 0 moveto 3 mul ysize lineto + setlinewidth 0 setlinecap stroke +} def +%%EndResource + +%%BeginResource: procset LoutFigPrependGraphic +% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/figf.lpg +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% % +% PostScript @SysPrependGraphic file for @Fig Jeffrey H. Kingston % +% Version 2.0 (includes CIRCUM label) January 1992 % +% % +% To assist in avoiding name clashes, the names of all symbols % +% defined here begin with "lfig". However, this is not feasible % +% with user-defined labels and some labels used by users. % +% % +% <point> is two numbers, a point. % +% <length> is one number, a length % +% <angle> is one number, an angle in degrees % +% <dashlength> is one number, the preferred length of a dash % +% % +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +errordict begin + /handleerror + { + { /Times-Roman findfont 8 pt scalefont setfont + 0 setgray 4 pt 4 pt moveto + $error /errorname get + dup lfigdict exch known + { lfigdict exch get } + { 30 string cvs } ifelse + show + ( Command: ) show + $error /command get 30 string cvs show + } stopped {} if + showpage stop + } def +end + +% concat strings: <string> <string> lfigconcat <string> +% must be defined outside lfigdict since used in lfigpromotelabels +/lfigconcat +{ 2 copy length exch length add string + dup 0 4 index putinterval + dup 3 index length 3 index putinterval + 3 1 roll pop pop +} def + +% <string> lfigdebugprint - +% must be defined outside lfigdict since used in arbitrary places +% /lfigdebugprint +% { print +% (; operand stack:\n) print +% count copy +% count 2 idiv +% { == +% (\n) print +% } repeat +% (\n) print +% } def + +/lfigdict 120 dict def +lfigdict begin + +% error messages +/dictfull (dictfull error: too many labels?) def +/dictstackoverflow (dictstackoverflow error: labels nested too deeply?) def +/execstackoverflow (execstackoverflow error: figure nested too deeply?) def +/limitcheck (limitcheck error: figure nested too deeply or too large?) def +/syntaxerror (syntaxerror error: syntax error in text of figure?) def +/typecheck (typecheck error: syntax error in text of figure?) def +/undefined (undefined error: unknown or misspelt label?) def +/VMError (VMError error: run out of memory?) def + +% push pi onto stack: - lfigpi <num> +/lfigpi 3.14159 def + +% arc directions +/clockwise false def +/anticlockwise true def + +% maximum of two numbers: <num> <num> lfigmax <num> +/lfigmax { 2 copy gt { pop } { exch pop } ifelse } def + +% minimum of two numbers: <num> <num> lfigmin <num> +/lfigmin { 2 copy lt { pop } { exch pop } ifelse } def + +% add two points: <point> <point> lfigpadd <point> +/lfigpadd { exch 3 1 roll add 3 1 roll add exch } def + +% subtract first point from second: <point> <point> lfigpsub <point> +/lfigpsub { 3 2 roll sub 3 1 roll exch sub exch } def + +% max two points: <point> <point> lfigpmax <point> +/lfigpmax { exch 3 1 roll lfigmax 3 1 roll lfigmax exch } def + +% min two points: <point> <point> lfigpmin <point> +/lfigpmin { exch 3 1 roll lfigmin 3 1 roll lfigmin exch } def + +% scalar multiplication: <point> <num> lfigpmul <point> +/lfigpmul { dup 3 1 roll mul 3 1 roll mul exch } def + +% point at angle and distance: <point> <length> <angle> lfigatangle <point> +/lfigatangle { 2 copy cos mul 3 1 roll sin mul lfigpadd } def + +% angle from one point to another: <point> <point> lfigangle <angle> +/lfigangle { lfigpsub 2 copy 0 eq exch 0 eq and {pop} {exch atan} ifelse } def + +% distance between two points: <point> <point> lfigdistance <length> +/lfigdistance { lfigpsub dup mul exch dup mul add sqrt } def + +% difference in x coords: <point> <point> lfigxdistance <length> +/lfigxdistance { pop 3 1 roll pop sub } def + +%difference in y coords: <point> <point> lfigydistance <length> +/lfigydistance { 3 1 roll pop sub exch pop } def + +% stroke a solid line: <length> <dashlength> lfigsolid - +/lfigsolid +{ pop pop [] 0 setdash stroke +} def + +% stroke a lfigdashed line: <length> <dashlength> lfigdashed - +/lfigdashed +{ 2 copy div 2 le 1 index 0 le or + { exch pop 1 pt lfigmax [ exch dup ] 0 setdash } + { dup [ exch 4 2 roll 2 copy div + 1 sub 2 div ceiling dup 4 1 roll + 1 add mul sub exch div ] 0 setdash + } ifelse stroke +} def + +% stroke a lfigcdashed line: <length> <dashlength> lfigcdashed - +/lfigcdashed +{ 2 copy le 1 index 0 le or + { exch pop 1 pt lfigmax [ exch dup ] dup 0 get 2 div setdash } + { dup [ 4 2 roll exch 2 copy exch div + 2 div ceiling div 1 index sub + ] exch 2 div setdash + } ifelse stroke +} def + +% stroke a dotted line: <length> <dashlength> lfigdotted - +/lfigdotted +{ 2 copy le 1 index 0 le or + { exch pop 1 pt lfigmax [ exch 0 exch ] 0 setdash } + { 1 index exch div ceiling div + [ 0 3 2 roll ] 0 setdash + } ifelse stroke +} def + +% stroke a noline line: <length> <dashlength> lfignoline - +/lfignoline +{ pop pop +} def + +% painting (i.e. filling): - lfigwhite - (etc.) +/lfignopaint { } def +/lfignochange { fill } def +/lfigdarkblue { 0.0 0.0 0.5 setrgbcolor fill } def +/lfigblue { 0.0 0.0 1.0 setrgbcolor fill } def +/lfiglightblue { 0.5 0.5 1.0 setrgbcolor fill } def +/lfigdarkgreen { 0.0 0.5 0.0 setrgbcolor fill } def +/lfiggreen { 0.0 1.0 0.0 setrgbcolor fill } def +/lfiglightgreen { 0.5 1.0 0.5 setrgbcolor fill } def +/lfigdarkred { 0.5 0.0 0.0 setrgbcolor fill } def +/lfigred { 1.0 0.0 0.0 setrgbcolor fill } def +/lfiglightred { 1.0 0.5 0.5 setrgbcolor fill } def +/lfigdarkcyan { 0.0 0.5 0.5 setrgbcolor fill } def +/lfigcyan { 0.0 1.0 1.0 setrgbcolor fill } def +/lfiglightcyan { 0.5 1.0 1.0 setrgbcolor fill } def +/lfigdarkmagenta { 0.5 0.0 0.5 setrgbcolor fill } def +/lfigmagenta { 1.0 0.0 1.0 setrgbcolor fill } def +/lfiglightmagenta { 1.0 0.5 1.0 setrgbcolor fill } def +/lfigdarkyellow { 0.5 0.5 0.0 setrgbcolor fill } def +/lfigyellow { 1.0 1.0 0.0 setrgbcolor fill } def +/lfiglightyellow { 1.0 1.0 0.5 setrgbcolor fill } def +/lfigdarkgray { 0.2 0.2 0.2 setrgbcolor fill } def +/lfiggray { 0.5 0.5 0.5 setrgbcolor fill } def +/lfiglightgray { 0.8 0.8 0.8 setrgbcolor fill } def +/lfigdarkgrey { 0.2 0.2 0.2 setrgbcolor fill } def +/lfiggrey { 0.5 0.5 0.5 setrgbcolor fill } def +/lfiglightgrey { 0.8 0.8 0.8 setrgbcolor fill } def +/lfigblack { 0.0 0.0 0.0 setrgbcolor fill } def +/lfigwhite { 1.0 1.0 1.0 setrgbcolor fill } def + +% line caps (and joins, not currently used) +/lfigbutt 0 def +/lfiground 1 def +/lfigprojecting 2 def +/lfigmiter 0 def +/lfigbevel 2 def + +% shape and labels of the @Box symbol +/lfigbox +{ + 0 0 /SW lfigpointdef + xsize 0 /SE lfigpointdef + xsize ysize /NE lfigpointdef + 0 ysize /NW lfigpointdef + SE 0.5 lfigpmul /S lfigpointdef + NW 0.5 lfigpmul /W lfigpointdef + W SE lfigpadd /E lfigpointdef + S NW lfigpadd /N lfigpointdef + NE 0.5 lfigpmul /CTR lfigpointdef + [ CTR NE lfigpsub /lfigboxcircum cvx ] lfigcircumdef + SW SE NE NW SW +} def + +% shape and labels of the @CurveBox symbol +/lfigcurvebox +{ + + xsize 0.5 mul ysize 0.5 mul /CTR lfigpointdef + xsize 0.5 mul 0 /S lfigpointdef + xsize ysize 0.5 mul /E lfigpointdef + xsize 0.5 mul ysize /N lfigpointdef + 0 ysize 0.5 mul /W lfigpointdef + + xmark 0.293 mul xmark 0.293 mul /SW lfigpointdef + xsize xmark 0.293 mul sub xmark 0.293 mul /SE lfigpointdef + xsize xmark 0.293 mul sub ysize xmark 0.293 mul sub /NE lfigpointdef + xmark 0.293 mul ysize xmark 0.293 mul sub /NW lfigpointdef + + [ xsize ysize 0.5 lfigpmul xmark /lfigcurveboxcircum cvx ] lfigcircumdef + + xmark 0 + xsize xmark sub 0 + [ xsize xmark sub xmark ] + xsize xmark + xsize ysize xmark sub + [ xsize xmark sub ysize xmark sub ] + xsize xmark sub ysize + xmark ysize + [ xmark ysize xmark sub ] + 0 ysize xmark sub + 0 xmark + [ xmark xmark ] + xmark 0 +} def + +% shadow of the @ShadowBox symbol +% its shape and labels are done, somewhat inaccurately, with lfigbox +/lfigshadow +{ xmark 2 mul 0 moveto xsize 0 lineto + xsize ysize xmark 2 mul sub lineto + xsize xmark sub ysize xmark 2 mul sub lineto + xsize xmark sub xmark lineto + xmark 2 mul xmark lineto closepath fill +} def + +% shape and labels of the @Square symbol +/lfigsquare +{ + xsize ysize 0.5 lfigpmul /CTR lfigpointdef + CTR xsize xsize ysize ysize lfigpmax 0.5 lfigpmul lfigpadd /NE lfigpointdef + CTR 0 0 CTR NE lfigdistance 135 lfigatangle lfigpadd /NW lfigpointdef + CTR 0 0 CTR NE lfigdistance 225 lfigatangle lfigpadd /SW lfigpointdef + CTR 0 0 CTR NE lfigdistance 315 lfigatangle lfigpadd /SE lfigpointdef + SW 0.5 lfigpmul SE 0.5 lfigpmul lfigpadd /S lfigpointdef + NW 0.5 lfigpmul NE 0.5 lfigpmul lfigpadd /N lfigpointdef + SW 0.5 lfigpmul NW 0.5 lfigpmul lfigpadd /W lfigpointdef + SE 0.5 lfigpmul NE 0.5 lfigpmul lfigpadd /E lfigpointdef + [ CTR NE lfigpsub /lfigboxcircum cvx ] lfigcircumdef + SW SE NE NW SW +} def + +% shape and labels of the @Diamond symbol +/lfigdiamond +{ + xsize 0 0.5 lfigpmul /S lfigpointdef + 0 ysize 0.5 lfigpmul /W lfigpointdef + S W lfigpadd /CTR lfigpointdef + CTR W lfigpadd /N lfigpointdef + CTR S lfigpadd /E lfigpointdef + [ xsize ysize 0.5 lfigpmul /lfigdiamondcircum cvx ] lfigcircumdef + S E N W S +} def + +% shape and labels of the @Ellipse symbol +/lfigellipse +{ + xsize 0 0.5 lfigpmul /S lfigpointdef + 0 ysize 0.5 lfigpmul /W lfigpointdef + S W lfigpadd /CTR lfigpointdef + CTR W lfigpadd /N lfigpointdef + CTR S lfigpadd /E lfigpointdef + CTR xsize 0 0.3536 lfigpmul lfigpadd 0 ysize 0.3536 lfigpmul lfigpadd /NE lfigpointdef + 0 ysize 0.3536 lfigpmul CTR xsize 0 0.3536 lfigpmul lfigpadd lfigpsub /SE lfigpointdef + xsize 0 0.3536 lfigpmul CTR lfigpsub 0 ysize 0.3536 lfigpmul lfigpadd /NW lfigpointdef + 0 ysize 0.3536 lfigpmul xsize 0 0.3536 lfigpmul CTR lfigpsub lfigpsub /SW lfigpointdef + [ xsize ysize 0.5 lfigpmul /lfigellipsecircum cvx ] lfigcircumdef + S [ CTR ] E [ CTR ] N [ CTR ] W [ CTR ] S +} def + +% shape and labels of the @Circle symbol +/lfigcircle +{ + xsize ysize 0.5 lfigpmul /CTR lfigpointdef + CTR xsize 0 ysize 0 lfigpmax 0.5 lfigpmul lfigpadd /E lfigpointdef + CTR 0 0 CTR E lfigdistance 45 lfigatangle lfigpadd /NE lfigpointdef + CTR 0 0 CTR E lfigdistance 90 lfigatangle lfigpadd /N lfigpointdef + CTR 0 0 CTR E lfigdistance 135 lfigatangle lfigpadd /NW lfigpointdef + CTR 0 0 CTR E lfigdistance 180 lfigatangle lfigpadd /W lfigpointdef + CTR 0 0 CTR E lfigdistance 225 lfigatangle lfigpadd /SW lfigpointdef + CTR 0 0 CTR E lfigdistance 270 lfigatangle lfigpadd /S lfigpointdef + CTR 0 0 CTR E lfigdistance 315 lfigatangle lfigpadd /SE lfigpointdef + [ S E lfigpsub /lfigellipsecircum cvx ] lfigcircumdef + S [ CTR ] E [ CTR ] N [ CTR ] W [ CTR ] S +} def + +% shape and labels of the @HLine and @HArrow symbols +/lfighline +{ + 0 ymark lfigprevious /FROM lfigpointdef + xsize ymark lfigprevious /TO lfigpointdef +} def + +% shape and labels of the @VLine and @VArrow symbols +/lfigvline +{ + xmark ysize lfigprevious /FROM lfigpointdef + xmark 0 lfigprevious /TO lfigpointdef +} def + +% points of a polygon around base with given no of sides, vert init angle: +% <sides> <angle> figpolygon <point> ... <point> +/lfigpolygon +{ xsize ysize 0.5 lfigpmul /CTR lfigpointdef + 90 sub CTR 2 copy lfigmax 5 3 roll + [ 4 copy pop /lfigpolycircum cvx ] lfigcircumdef + exch dup 360 exch div exch + 1 1 3 2 roll + { 4 string cvs (P) exch lfigconcat cvn + 6 copy pop pop lfigatangle 2 copy 10 2 roll + 3 2 roll lfigpointdef + dup 3 1 roll add exch + } for + pop lfigatangle +} def + +% next array element: <array> <index> lfiggetnext <array> <index> <any> true +% or <array> <index> false +/lfiggetnext +{ 2 copy exch length ge + { false } + { 2 copy get exch 1 add exch true } ifelse +} def + +% check whether thing is number: <any> lfigisnumbertype <any> <bool> +/lfigisnumbertype +{ dup type dup + /integertype eq exch /realtype eq or +} def + +% check whether thing is an array: <any> lfigisarraytype <any> <bool> +/lfigisarraytype { dup type /arraytype eq } def + +% get next item: <array> <index> lfiggetnextitem <array> <index> 0 +% or <array> <index> <array> 1 +% or <array> <index> <point> 2 +/lfiggetnextitem +{ lfiggetnext + { lfigisarraytype + { 1 + } + { lfigisnumbertype + { 3 1 roll + lfiggetnext + { lfigisnumbertype + { 4 3 roll exch 2 + } + { pop 3 2 roll pop 0 + } ifelse + } + { 3 2 roll pop 0 + } ifelse + } + { pop 0 + } ifelse + } ifelse + } + { 0 + } ifelse +} def + +% set arc path: bool x1 y1 x2 y2 x0 y0 lfigsetarc <angle> <angle> <dist> +% the path goes from x1 y1 to x2 y2 about centre x0 y0, +% anticlockwise if bool is true else clockwise. +% The orientations of backwards pointing and forwards pointing +% arrowheads are returned in the two angles, and +% the length of the arc is returned in <dist>. +/lfigsetarc +{ + 20 dict begin + matrix currentmatrix 8 1 roll + 2 copy translate 2 copy 8 2 roll + 4 2 roll lfigpsub 6 2 roll lfigpsub + dup /y1 exch def dup mul /y1s exch def + dup /x1 exch def dup mul /x1s exch def + dup /y2 exch def dup mul /y2s exch def + dup /x2 exch def dup mul /x2s exch def + + y1s y2s eq + { -1 + } + { y1s x2s mul y2s x1s mul sub y1s y2s sub div + } ifelse + /da exch def + + x1s x2s eq + { -1 + } + { x1s y2s mul x2s y1s mul sub x1s x2s sub div + } ifelse + /db exch def + + da 0 gt db 0 gt and + { /LMax da sqrt db sqrt lfigmax def + /scalex da sqrt LMax div def + /scaley db sqrt LMax div def + scalex scaley scale + 0 0 LMax + 0 0 x1 scalex mul y1 scaley mul lfigangle + 0 0 x2 scalex mul y2 scaley mul lfigangle + 2 copy eq { 360 add } if + 2 copy 8 2 roll + 5 index { arc } { arcn } ifelse + 2 index 1 index + { 90 sub } { 90 add } ifelse + dup sin scaley mul exch cos scalex mul atan + 2 index 2 index + { 90 add } { 90 sub } ifelse + dup sin scaley mul exch cos scalex mul atan + 5 2 roll % res1 res2 ang1 ang2 anticlockwise + { exch sub } { sub } ifelse + dup 0 le { 360 add } if lfigpi mul LMax mul 180 div + } + { 0 0 x1 y1 lfigdistance 0 0 x2 y2 lfigdistance eq + 0 0 x1 y1 lfigdistance 0 gt and + { 0 0 + 0 0 x1 y1 lfigdistance + 0 0 x1 y1 lfigangle + 0 0 x2 y2 lfigangle + 2 copy eq { 360 add } if + 2 copy 8 2 roll + 5 index { arc } { arcn } ifelse + 2 index 1 index + { 90 sub } { 90 add } ifelse + 2 index 2 index + { 90 add } { 90 sub } ifelse + 5 2 roll % res1 res2 ang1 ang2 clockwise + { exch sub } { sub } ifelse + dup 0 le { 360 add } if lfigpi mul 0 0 x1 y1 lfigdistance mul 180 div + } + { x2 y2 lineto pop + x2 y2 x1 y1 lfigangle + x1 y1 x2 y2 lfigangle + x1 y1 x2 y2 lfigdistance + } ifelse + } ifelse + 4 -1 roll setmatrix + end +} def + +% lfigsetcurve: set up a Bezier curve from x0 y0 to x3 y3 +% and return arrowhead angles and length of curve (actually 0) +% x0 y0 x1 y1 x2 y2 x3 y3 lfigsetcurve <angle> <angle> <length> +/lfigsetcurve +{ 8 copy curveto pop pop + lfigangle + 5 1 roll + 4 2 roll lfigangle + exch + 0 +} def + +% lfigpaintpath: paint a path of the given shape +% /paint [ shape ] lfigpaintpath - +/lfigpaintpath +{ + 10 dict begin + 0 newpath + /prevseen false def + /curveseen false def + { lfiggetnextitem + dup 0 eq { pop exit } + { 1 eq + { /curveseen true def + /curve exch def + curve length 0 eq { /curveseen false def } if + } + { /ycurr exch def + /xcurr exch def + prevseen + { curveseen + { curve length 4 eq + { xprev yprev + curve 0 get curve 1 get + curve 2 get curve 3 get + xcurr ycurr + lfigsetcurve pop pop pop + } + { xprev yprev xcurr ycurr + curve length 1 ge { curve 0 get } { 0 } ifelse + curve length 2 ge { curve 1 get } { 0 } ifelse + curve length 3 ge { curve 2 get } { true } ifelse + 7 1 roll + lfigsetarc pop pop pop + } ifelse + } + { xcurr ycurr lineto + } ifelse + } + { xcurr ycurr moveto + } ifelse + /xprev xcurr def + /yprev ycurr def + /prevseen true def + /curveseen false def + } ifelse + } ifelse + } loop pop pop cvx exec + end +} def + +% stroke a path of the given shape in the given linestyle and dash length. +% Return the origin and angle of the backward and forward arrow heads. +% dashlength /linestyle [shape] lfigdopath [<point> <angle>] [<point> <angle>] +/lfigdopath +{ + 10 dict begin + 0 + /prevseen false def + /curveseen false def + /backarrow [] def + /fwdarrow [] def + { + lfiggetnextitem + dup 0 eq { pop exit } + { + 1 eq + { /curveseen true def + /curve exch def + curve length 0 eq { /prevseen false def } if + } + { /ycurr exch def + /xcurr exch def + prevseen + { newpath xprev yprev moveto + curveseen + { curve length 4 eq + { xprev yprev + curve 0 get curve 1 get + curve 2 get curve 3 get + xcurr ycurr lfigsetcurve + } + { xprev yprev xcurr ycurr + curve length 1 ge { curve 0 get } { 0 } ifelse + curve length 2 ge { curve 1 get } { 0 } ifelse + curve length 3 ge { curve 2 get } { true } ifelse + 7 1 roll + lfigsetarc + } ifelse + } + { xcurr ycurr lineto + xcurr ycurr xprev yprev lfigangle dup 180 sub + xprev yprev xcurr ycurr lfigdistance + } ifelse + 6 index 6 index cvx exec + [ xprev yprev 5 -1 roll ] + backarrow length 0 eq + { /backarrow exch def } + { pop } ifelse + [ xcurr ycurr 4 -1 roll ] /fwdarrow exch def + } if + /xprev xcurr def + /yprev ycurr def + /prevseen true def + /curveseen false def + } ifelse + } ifelse + } loop + pop pop pop pop + backarrow length 0 eq { [ 0 0 0 ] } { backarrow } ifelse + fwdarrow length 0 eq { [ 0 0 0 ] } { fwdarrow } ifelse + end +} def + +% lfigdoarrow: draw an arrow head of given form +% dashlength /lstyle /pstyle hfrac height width [ <point> <angle> ] lfigdoarrow - +/lfigdoarrow +{ matrix currentmatrix 8 1 roll + dup 0 get 1 index 1 get translate + 2 get rotate + [ 2 index neg 2 index 0 0 + 3 index 3 index neg + 1 index 10 index mul 0 + 7 index 7 index ] + 4 1 roll pop pop pop + dup 3 1 roll + gsave lfigpaintpath grestore lfigdopath pop pop + setmatrix +} def + +% arrow head styles +/lfigopen 0.0 def +/lfighalfopen 0.5 def +/lfigclosed 1.0 def + +% stroke no arrows, forward, back, and both +/lfignoarrow { pop pop pop pop pop pop pop pop } def +/lfigforward { 7 -1 roll lfigdoarrow pop } def +/lfigback { 8 -2 roll pop lfigdoarrow } def +/lfigboth { 8 -1 roll 7 copy lfigdoarrow pop 7 -1 roll lfigdoarrow } def + +% lfigprevious: return previous point on path +/lfigprevious +{ lfigisnumbertype + { 2 copy } + { lfigisarraytype + { 2 index 2 index } + { 0 0 } + ifelse + } ifelse +} def + +% label a point in 2nd top dictionary: <point> /name lfigpointdef - +/lfigpointdef +{ + % (Entering lfigpointdef) lfigdebugprint + [ 4 2 roll transform + /itransform cvx ] cvx + currentdict end + 3 1 roll + % currentdict length currentdict maxlength lt + % { def } + % { exec moveto (too many labels) show stop } + % ifelse + def + begin + % (Leaving lfigpointdef) lfigdebugprint +} def + +% promote labels from second top to third top dictionary +% <string> lfigpromotelabels - +/lfigpromotelabels +{ + % (Entering lfigpromotelabels) lfigdebugprint + currentdict end exch currentdict end + { exch 20 string cvs 2 index + (@) lfigconcat exch lfigconcat cvn exch def + } forall pop begin + % (Leaving lfigpromotelabels) lfigdebugprint +} def + +% show labels (except CIRCUM): - lfigshowlabels - +/lfigshowlabels +{ + % (Entering lfigshowlabels) lfigdebugprint + currentdict end + currentdict + { 1 index 20 string cvs (CIRCUM) search % if CIRCUM in key + { pop pop pop pop pop } + { pop cvx exec 2 copy + newpath 1.5 pt 0 360 arc + 0 setgray fill + /Times-Roman findfont 8 pt scalefont setfont + moveto 0.2 cm 0.1 cm rmoveto 20 string cvs show + } + ifelse + } forall + begin + % (Leaving lfigshowlabels) lfigdebugprint +} def + +% fix an angle to 0 <= res < 360: <angle> lfigfixangle <angle> +/lfigfixangle +{ + % (Entering lfigfixangle) lfigdebugprint + { dup 0 ge { exit } if + 360 add + } loop + { dup 360 lt { exit } if + 360 sub + } loop + % (Leaving lfigfixangle) lfigdebugprint +} def + +% find point on circumference of box: alpha a b lfigboxcircum x y +/lfigboxcircum +{ + % (Entering lfigboxcircum) lfigdebugprint + 4 dict begin + /b exch def + /a exch def + lfigfixangle /alpha exch def + 0 0 a b lfigangle /theta exch def + + % if alpha <= theta, return (a, a*tan(alpha)) + alpha theta le + { a a alpha sin mul alpha cos div } + { + % else if alpha <= 180 - theta, return (b*cot(alpha), b) + alpha 180 theta sub le + { b alpha cos mul alpha sin div b } + { + % else if alpha <= 180 + theta, return (-a, -a*tan(alpha)) + alpha 180 theta add le + { a neg a neg alpha sin mul alpha cos div } + { + % else if alpha <= 360 - theta, return (-b*cot(alpha), -b) + alpha 360 theta sub le + { b neg alpha cos mul alpha sin div b neg } + { + % else 360 - theta <= alpha, return (a, a*tan(alpha)) + a a alpha sin mul alpha cos div + } ifelse + } ifelse + } ifelse + } ifelse + end + % (Leaving lfigboxcircum) lfigdebugprint +} def + +% find quadratic roots (assume a != 0): a b c lfigqroots x1 x2 2 +% or x2 1 +% or 0 +/lfigqroots +{ + 4 dict begin + /c exch def + /b exch def + /a exch def + /disc b b mul 4 a c mul mul sub def + disc 0 lt + { 0 + } + { disc 0 eq + { b neg 2 a mul div + 1 + } + { b neg disc sqrt add 2 a mul div + b neg disc sqrt sub 2 a mul div + 2 + } + ifelse + } + ifelse + end +} def + +% work our which quadrant: <angle> lfigquadrant <0-3> +/lfigquadrant +{ dup 90 lt + { pop 0 + } + { dup 180 lt + { pop 1 + } + { 270 lt + { 2 + } + { 3 + } ifelse + } ifelse + } ifelse +} def + +% find curvebox circum, assuming upper right quadrant: alpha a b xmk lfigcb x y +/lfigcb +{ + 6 dict begin + /xmk exch def + /b exch def + /a exch def + /alpha exch def + /theta1 0 0 a b xmk sub lfigangle def + /theta2 0 0 a xmk sub b lfigangle def + alpha theta1 le + { % if alpha <= theta1, return (a, a*tan(alpha)) + a a alpha sin mul alpha cos div + } + { alpha theta2 ge + { % else if alpha > theta2, return (b*cot(alpha), b) + b alpha cos mul alpha sin div b + } + { + % else, return the intersection of line and circle + a xmk sub b xmk sub xmk 0 0 alpha lfigcircleintersect + dup 0 eq + { % should never happen, just return any reasonable point + pop + a b 0.5 lfigpmul + } + { 1 eq + { % should never happen, just return the point on top of stack + } + { % the usual case, two points on stack, return the larger + lfigpmax + } ifelse + } ifelse + } ifelse + } ifelse + end +} def + +% find point on circumference of curvebox: alpha a b xmk lfigcurveboxcircum x y +/lfigcurveboxcircum +{ + % (Entering lfigcurveboxcircum) lfigdebugprint + 5 dict begin + /xmk exch def + /b exch def + /a exch def + lfigfixangle /alpha exch def + + % work out which quadrant we are in, and reflect accordingly + /quad alpha lfigquadrant def + quad 0 eq + { alpha a b xmk lfigcb + } + { quad 1 eq + { 180 alpha sub a b xmk lfigcb exch neg exch + } + { quad 2 eq + { alpha 180 sub a b xmk lfigcb neg exch neg exch + } + { 360 alpha sub a b xmk lfigcb neg + } ifelse + } ifelse + } ifelse + end + % (Leaving lfigcurveboxcircum) lfigdebugprint +} def + +% find point on circumference of diamond: alpha a b lfigdiamondcircum x y +/lfigdiamondcircum +{ + % (Entering lfigdiamondcircum) lfigdebugprint + 4 dict begin + /b exch def + /a exch def + lfigfixangle /alpha exch def + b alpha cos abs mul a alpha sin abs mul add /denom exch def + a b mul alpha cos mul denom div + a b mul alpha sin mul denom div + end + % (Leaving lfigdiamondcircum) lfigdebugprint +} def + +% find point on circumference of ellipse: alpha a b lfigellipsecircum x y +/lfigellipsecircum +{ + % (Entering lfigellipsecircum) lfigdebugprint + 4 dict begin + /b exch def + /a exch def + lfigfixangle /alpha exch def + b alpha cos mul dup mul a alpha sin mul dup mul add sqrt /denom exch def + a b mul alpha cos mul denom div + a b mul alpha sin mul denom div + end + % (Leaving lfigellipsecircum) lfigdebugprint +} def + +% find point of intersection of two lines each defined by two points +% x1 y1 x2 y2 x3 y3 x4 y4 lfiglineintersect x y +/lfiglineintersect +{ + % (Entering lfiglineintersect) lfigdebugprint + 13 dict begin + /y4 exch def + /x4 exch def + /y3 exch def + /x3 exch def + /y2 exch def + /x2 exch def + /y1 exch def + /x1 exch def + x2 x1 sub /x21 exch def + x4 x3 sub /x43 exch def + y2 y1 sub /y21 exch def + y4 y3 sub /y43 exch def + y21 x43 mul y43 x21 mul sub /det exch def + + % calculate x + y21 x43 mul x1 mul + y43 x21 mul x3 mul sub + y3 y1 sub x21 mul x43 mul add + det div + + % calculate y + x21 y43 mul y1 mul + x43 y21 mul y3 mul sub + x3 x1 sub y21 mul y43 mul add + det neg div + + end + % (Leaving lfiglineintersect) lfigdebugprint +} def + +% find point on circumference of polygon +% alpha radius num theta lfigpolycircum x y +/lfigpolycircum +{ + % (Entering lfigpolycircum) lfigdebugprint + 13 dict begin + /theta exch def + /num exch def + /radius exch def + /alpha exch def + + % calculate delta, the angle from theta to alpha + alpha theta sub lfigfixangle + + % calculate the angle which is the multiple of 360/num closest to delta + 360 num div div truncate 360 num div mul theta add /anglea exch def + + % calculate the next multiple of 360/num after anglea + anglea 360 num div add /angleb exch def + + % intersect the line through these two points with the alpha line + anglea cos anglea sin angleb cos angleb sin + 0 0 alpha cos 2 mul alpha sin 2 mul + lfiglineintersect radius lfigpmul + + end + % (Leaving lfigpolycircum) lfigdebugprint +} def + +% find point of intersection of a point and a circle +% x0 y0 r x1 y1 theta lfigcircleintersect xa ya xb yb 2 +% or xb yb 1 +% or 0 +/lfigcircleintersect +{ + % (Entering lfigcircleintersect) lfigdebugprint + 15 dict begin + /theta exch def + /y1 exch def + /x1 exch def + /r exch def + /y0 exch def + /x0 exch def + + % if sin(theta) = 0 then line is horizontal and y must be y1 + theta sin abs 0.00001 lt + { + /a 1 def + /b -2 x0 mul def + /c x0 dup mul y1 y0 sub dup mul add r dup mul sub def + a b c lfigqroots dup + 0 eq + { pop + 0 + } + { 1 eq + { y1 1 + } + { y1 exch y1 2 + } ifelse + } ifelse + } + { + /ct theta cos theta sin div def + /a ct ct mul 1 add def + /b ct x1 x0 sub mul y1 add y0 sub 2 mul def + /c x1 x0 sub dup mul y1 y0 sub dup mul add r dup mul sub def + a b c lfigqroots dup + 0 eq + { pop + 0 + } + { 1 eq + { y1 add /yb exch def + yb y1 sub ct mul x1 add /xb exch def + xb yb 1 + } + { y1 add /ya exch def + ya y1 sub ct mul x1 add /xa exch def + y1 add /yb exch def + yb y1 sub ct mul x1 add /xb exch def + xa ya xb yb 2 + } ifelse + } ifelse + } ifelse + end + % (Leaving lfigcircleintersect) lfigdebugprint +} def + +% add CIRCUM operator with this body: <array> lfigcircumdef - +/lfigcircumdef +{ % (Entering lfigcircumdef) lfigdebugprint + /CIRCUM exch cvx + currentdict end + 3 1 roll + % currentdict length currentdict maxlength lt + % { def } + % { exec moveto (too many labels) show stop } + % ifelse + def + begin + % (Leaving lfigcircumdef) lfigdebugprint +} def + +end +%%EndResource + +%%BeginResource: procset LoutBasicSetup +% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/bsf.lpg + +% width height linethickness louteuro - +% draw a Euro symbol of this width and height with this line thickness +/louteuro { + 20 dict begin + /eurothick exch def + /euroheight exch def + /eurowidth exch def + /eurostrokewidth euroheight 0.8 mul def + /eurostep eurothick 60 cos mul 60 sin div def + /eurotheta 40 def + + % llx lly width thickness louteurobox - + % draw angled box starting at (llx, lly) with given width and thickness + /louteurobox + { + /euroboxthick exch def + /euroboxwidth exch def + newpath moveto euroboxwidth 0 rlineto + eurostep euroboxthick rlineto + euroboxwidth neg 0 rlineto closepath fill + } def + + % lower cross stroke + 0 euroheight 2 div eurothick 1.5 mul sub + eurostrokewidth eurothick louteurobox + + % upper cross stroke + 0 euroheight 2 div eurothick 0.5 mul add + eurostrokewidth eurostep 2 mul add eurothick louteurobox + + % circular part + /eurohctr eurowidth euroheight 2 div eurotheta cos mul sub def + /eurovctr euroheight 2 div def + newpath + eurohctr eurovctr eurovctr eurotheta 350 eurotheta sub arc + eurohctr eurovctr eurovctr eurothick sub 365 eurotheta sub eurotheta arcn + closepath fill + end +} def + +% path for @FullWidthRule symbol +/LoutRule +{ 0 0 moveto xsize 0 lineto +} def + +% path for @Box symbol +/LoutBox +{ 0 0 moveto xsize 0 lineto + xsize ysize lineto 0 ysize lineto + closepath +} def + +% path for @CurveBox symbol +/LoutCurveBox +{ xmark 0 moveto + xsize xmark sub xmark xmark 270 360 arc + xsize xmark sub ysize xmark sub xmark 0 90 arc + xmark ysize xmark sub xmark 90 180 arc + xmark xmark xmark 180 270 arc + closepath +} def + +% path for @ShadowBox symbol +/LoutShadowBox +{ xmark 2 mul 0 moveto xsize 0 lineto + xsize ysize xmark 2 mul sub lineto + xsize xmark sub ysize xmark 2 mul sub lineto + xsize xmark sub xmark lineto + xmark 2 mul xmark lineto + closepath +} def + +% set up dictionary containing margin note data: parity LoutMargSet - +/LoutMargSet +{ /LoutMargDict 12 dict def + LoutMargDict begin + /parity exch def + /matr matrix currentmatrix def + /rightx xsize def + /lefty ysize def % highest allowable point for top of next left note + /righty ysize def % highest allowable point for top of next right note + /max { 2 copy gt { pop } { exch pop } ifelse } def + /min { 2 copy lt { pop } { exch pop } ifelse } def + end +} def + +%translate coordinate system for marginal notes: type LoutMargShift - +% where type 0 is left margin, 1 is right margin, 2 is outer, 3 is inner +/LoutMargShift +{ LoutMargDict begin + + % y coordinate of top of note, in margin coords, before vertical adjust + 0 ysize transform matr itransform exch pop + + % decide whether left or right margin based on type and parity + exch [ 0 1 parity 1 parity sub ] exch get 0 eq + { + % left margin: adjust top of note downwards if overlaps previous note + lefty min + + % bottom of note is new lefty position and also translate position + ysize sub dup /lefty exch def + + % want right edge of note at coordinate zero + xsize neg exch + } + { + % right margin: adjust top of note downwards if overlaps previous note + righty min + + % bottom of note is new righty position and also translate position + ysize sub dup /righty exch def + + % want left edge of note at coordinate rightx + rightx exch + } ifelse + + % stack now contains coord of bottom left corner in margin coordinates + matr setmatrix translate + end +} def + +% create LoutPageDict with left, right, foot, top for @Place symbol users +/LoutPageSet +{ + /LoutPageDict 5 dict def + LoutPageDict begin + /matr matrix currentmatrix def + /left 0 def + /right xsize def + /foot 0 def + /top ysize def + end + +} def + +%%EndResource + +%%EndProlog + +%%BeginSetup +%%IncludeResource: font Times-Roman +/Times-Romanfnt82 vec2 /Times-Roman LoutRecode +/fnt82 { /Times-Romanfnt82 LoutFont } def +%%IncludeResource: font Times-Bold +/Times-Boldfnt84 vec2 /Times-Bold LoutRecode +/fnt84 { /Times-Boldfnt84 LoutFont } def +%%IncludeResource: font Times-Italic +/Times-Italicfnt83 vec2 /Times-Italic LoutRecode +/fnt83 { /Times-Italicfnt83 LoutFont } def +%%EndSetup + +%%Page: i 1 +%%BeginPageSetup +%%PageResources: font Times-Roman +%%+ font Times-Bold +%%+ font Times-Italic +/pgsave save def +0.0500 dup scale 10 setlinewidth +%%EndPageSetup + +gsave +0 0 translate +240 fnt82 0.0 0.0 0.0 setrgbcolor 11900 16840 0 16840 240 288 60 LoutGraphic +gsave +LoutPageSet +grestore +gsave +0 16840 translate +0.0000 rotate +9066 14006 0 14006 240 288 60 1417 -15423 LoutGr2 +1 LoutMargSet +grestore +240 fnt84 2897 12401(The)m 3352(Design)s 4099(and)s 4540(Implementation)s +4239 11998(of)m 4511(the)s 2589 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LoutGr2 +currentdict end 200 dict begin begin +grestore +338 846 56 790 240 288 12 0 0 LoutGr2 +currentdict end 200 dict begin begin +grestore +338 338 56 282 240 288 12 0 508 LoutGr2 + +0.5 pt setlinewidth lfiground setlinecap +0.15 cm /lfigsolid [ lfigcircle ] lfigdopath +pop pop +grestore +192 fnt83 123 128(a)m +grestore +(T) lfigpromotelabels +grestore +(R) lfigpromotelabels +grestore +0 0 0 0 240 288 12 2564 1298 LoutGr2 + +0.5 pt setlinewidth lfiground setlinecap +0.15 cm /lfigsolid [ R@T@CTR R@T@CTR T@CTR lfigangle R@T@CIRCUM lfigpadd lfigprevious /FROM lfigpointdef +T@CTR T@CTR R@T@CTR lfigangle T@CIRCUM lfigpadd lfigprevious /TO lfigpointdef ] lfigdopath +pop pop +grestore + +grestore +end end restore +grestore +240 fnt82 0 3814(widens)m 240 fnt83 +740 3816(a)m 240 fnt82 926 3814(to)m 240 fnt83 1176 3816(width)m +240 fnt78 1726 3808(\()m 240 fnt83 1821 3816(a)m 240 fnt78 +1959 3808(\))m 2142(\255)s 240 fnt83 2396 3816(width)m 240 fnt78 +2946 3808(\()m 240 fnt83 3041 3816(c)m 240 fnt78 3166 3808(\))m +240 fnt82 3303 3814(without)m 4105(af)s 6(fecting)k 5011(its)s +5298(height;)s 6019(it)s 6222(is)s 6443(applied)s 7216(to)s +7466(e)s 6(v)k 3(ery)k 8053(object)s 8708(that)s +0 3526(shares)m 638(its)s 904(column)s 1669(mark)s 2211(with)s +2683(at)s 2905(least)s 3392(one)s 3784(other)s 4325(object.)s +5063(A)s 5283(similar)s 5995(transformation)s 7448(in)s 9(v)k 4(olving)k +8396(a)s 240 fnt83 8552 3528(R)m 9(O)k 12(W)k +240 fnt82 0 3238(operator)m 856(deals)s 1398(with)s 1880(shared)s +2562(ro)s 6(w)k 2982(marks.)s 3730(The)s 4158(ef)s 6(fect)k +4754(on)s 5051(our)s 5430(little)s 5922(table)s 6442(is)s +6652(to)s 6891(replace)s gsave +480 1544 translate +240 fnt83 3044 1354 56 1298 240 288 12 LoutGraphic +gsave +grestore save gsave 200 dict begin lfigdict begin +grestore +1240 846 56 790 240 288 12 0 0 LoutGr2 +currentdict end 200 dict begin begin +grestore +338 338 56 282 240 288 12 0 0 LoutGr2 +currentdict end 200 dict begin begin +grestore +338 338 56 282 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lfigprevious /FROM lfigpointdef +T@CTR T@CTR S@T@CTR lfigangle T@CIRCUM lfigpadd lfigprevious /TO lfigpointdef ] lfigdopath +pop pop +grestore + +grestore +(S) lfigpromotelabels +grestore +0 0 0 0 240 288 12 3096 1298 LoutGr2 + +0.5 pt setlinewidth lfiground setlinecap +0.15 cm /lfigsolid [ S@T@CTR S@T@CTR T@CTR lfigangle S@T@CIRCUM lfigpadd lfigprevious /FROM lfigpointdef +T@CTR T@CTR S@T@CTR lfigangle T@CIRCUM lfigpadd lfigprevious /TO lfigpointdef ] lfigdopath +pop pop +grestore + +grestore +(S) lfigpromotelabels +grestore +0 0 0 0 240 288 12 6248 1806 LoutGr2 + +0.5 pt setlinewidth lfiground setlinecap +0.15 cm /lfigsolid [ S@T@CTR S@T@CTR T@CTR lfigangle S@T@CIRCUM lfigpadd lfigprevious /FROM lfigpointdef +T@CTR T@CTR S@T@CTR lfigangle T@CIRCUM lfigpadd lfigprevious /TO lfigpointdef ] lfigdopath +pop pop +grestore + +grestore +end end restore +grestore +0 10598(In)m 244(f)s 2(act,)k +693(common)s 1576(sube)s 3(xpressions)k 3060(are)s 3395(identi\207ed)s +4343(\(tri)s 6(vially\))k 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7614(T)s 16(ech.)k +8200(Rep.)s 8711(410)s 480 4519(\(1991\))m 1107(,)s 1248(Basser)s +1980(Department)s 3203(of)s 3509(Computer)s 4561(Science,)s 5446(The)s +5909(Uni)s 6(v)k 3(ersity)k 6998(of)s 7304(Sydne)s 3(y)k 15(,)k +8147(Australia)s 9022(.)s 480 4231(\(Contains)m 1461(an)s 1744(appendix)s +2677(describing)s 3726(the)s 4074(P)s 3(as)k 4454(P)s 3(ascal)k +5116(formatter)s 13(.\))k 0 3728(11.)m 480(Kingston,)s 1478(Jef)s 6(fre)k 3(y)k +2198(H..)s 2608(A)s 2851(be)s 3(ginners')k 3903(guide)s +4504(to)s 4756(Lout)s 5208(.)s 5385(T)s 16(ech.)k +5964(Rep.)s 6467(409)s 6891(\(1991\))s 7518(,)s 7638(Basser)s +8348(Depart)s 8998(-)s 480 3440(ment)m 1018(of)s 1289(Computer)s +2306(Science,)s 3156(The)s 3584(Uni)s 6(v)k 3(ersity)k +4638(of)s 4909(Sydne)s 3(y)k 15(,)k 5717(Australia)s +6592(.)s 0 2937(12.)m 480(Kingston,)s 1475(Jef)s 6(fre)k 3(y)k +2193(H..)s 2600(T)s 19(ab)k 3017(\211)s 3207(a)s +3384(Lout)s 3907(package)s 4757(for)s 5106(formatting)s 6177(tables)s +6725(.)s 6900(T)s 16(ech.)k 7476(Rep.)s 7977(413)s +8392(\(1991\))s 9019(,)s 480 2649(Basser)m 1177(Department)s 2365(of)s +2636(Computer)s 3653(Science,)s 4503(The)s 4931(Uni)s 6(v)k 3(ersity)k +5985(of)s 6256(Sydne)s 3(y)k 15(,)k 7064(Australia)s +7939(.)s 0 2146(13.)m 480(Brooks,)s 1279(K)s 6(enneth)k +2141(P)s 26(..)k 2472(Lilac:)s 3068(a)s 3234(tw)s 2(o-vie)k 6(w)k +4183(document)s 5187(editor)s 5744(.)s 240 fnt83 5908 2148(IEEE)m +6490(Computer)s 240 fnt82 7453 2146(,)m 7560(7\21119)s 8091(\(1991\))s +8718(.)s +grestore + +grestore + +grestore + +pgsave restore +showpage + +%%Trailer +%%DocumentNeededResources: font Helvetica +%%+ font Symbol +%%+ font Times-Roman +%%+ font Times-Italic +%%+ font Times-Bold +%%DocumentSuppliedResources: procset LoutStartUp +%%+ procset LoutTabPrependGraphic +%%+ procset LoutFigPrependGraphic +%%+ procset LoutBasicSetup +%%+ encoding vec2 +%%Pages: 40 +%%EOF |