% LAMS2.MF VERSION 1.0 % COPYRIGHT (C) 1989 BY THE TEXPLORATORS CORPORATION % ALL RIGHTS RESERVED if unknown cmbase: input cmbase fi % replace the macro adjust_fit by version used in earlier cmbase files to % avoid division by zero error caused by newer versions of cmbase % Patch by Ingo Hadan (Jan 97) def normal_adjust_fit(expr left_adjustment,right_adjustment) = l:=-hround(left_adjustment*hppp)-letter_fit; interim xoffset:=-l; charwd:=charwd+2letter_fit#+left_adjustment+right_adjustment; r:=l+hround(charwd*hppp)-shrink_fit; w:=r-hround(right_adjustment*hppp)-letter_fit; enddef; def mono_adjust_fit(expr left_adjustment,right_adjustment) = numeric expansion_factor; mono_charwd#=2letter_fit# +expansion_factor*(charwd+left_adjustment+right_adjustment); forsuffixes $=u,jut,cap_jut,beak_jut,apex_corr: $:=$.#*expansion_factor*hppp; endfor l:=-hround(left_adjustment*expansion_factor*hppp)-letter_fit; interim xoffset:=-l; r:=l+mono_charwd-shrink_fit; w:=r-hround(right_adjustment*expansion_factor*hppp)-letter_fit; charwd:=mono_charwd#; charic:=mono_charic#; enddef; font_identifier:="LAMS"; font_size 10pt#; u#:=20/36pt#; % unit width width_adj#:=0pt#; % width adjustment for certain characters serif_fit#:=0pt#; % extra sidebar near lowercase serifs cap_serif_fit#:=5/36pt#; % extra sidebar near uppercase serifs letter_fit#:=0pt#; % extra space added to all sidebars body_height#:=270/36pt#; % height of tallest characters asc_height#:=360/36pt#; % height of lowercase ascenders cap_height#:=246/36pt#; % height of caps fig_height#:=232/36pt#; % height of numerals x_height#:=155/36pt#; % height of lowercase without ascenders math_axis#:=90/36pt#; % axis of symmetry for math symbols bar_height#:=87/36pt#; % height of crossbar in lowercase e comma_depth#:=70/36pt#; % depth of comma below baseline desc_depth#:=0/36pt#; % depth of lowercase descenders crisp#:=8/36pt#; % diameter of serif corners tiny#:=8/36pt#; % diameter of rounded corners fine#:=7/36pt#; % diameter of sharply rounded corners thin_join#:=7/36pt#; % width of extrafine details hair#:=9/36pt#; % lowercase hairline breadth stem#:=24/36pt#; % lowercase stem breadth curve#:=29/36pt#; % lowercase curve breadth ess#:=27/36pt#; % breadth in middle of lowercase s flare#:=32/36pt#; % diameter of bulbs or breadth of terminals dot_size#:=38/36pt#; % diameter of dots cap_hair#:=11/36pt#; % uppercase hairline breadth cap_stem#:=30/36pt#; % uppercase stem breadth cap_curve#:=35/36pt#; % uppercase curve breadth cap_ess#:=33/36pt#; % breadth in middle of uppercase s rule_thickness#:=.4pt#; % thickness of lines in math symbols dish#:=1/36pt#; % amount erased at top or bottom of serifs bracket#:=20/36pt#; % vertical distance from serif base to tangent jut#:=30/36pt#; % protrusion of lowercase serifs cap_jut#:=37/36pt#; % protrusion of uppercase serifs beak_jut#:=10/36pt#; % horizontal protrusion of beak serifs beak#:=70/36pt#; % vertical protrusion of beak serifs vair#:=8/36pt#; % vertical diameter of hairlines notch_cut#:=10pt#; % maximum breadth above or below notches bar#:=11/36pt#; % lowercase bar thickness slab#:=11/36pt#; % serif and arm thickness cap_bar#:=11/36pt#; % uppercase bar thickness cap_band#:=11/36pt#; % uppercase thickness above/below lobes cap_notch_cut#:=10pt#; % max breadth above/below uppercase notches serif_drop#:=4/36pt#; % vertical drop of sloped serifs stem_corr#:=1/36pt#; % for small refinements of stem breadth vair_corr#:=1/36pt#; % for small refinements of hairline height apex_corr#:=0pt#; % extra width at diagonal junctions o#:=8/36pt#; % amount of overshoot for curves apex_o#:=8/36pt#; % amount of overshoot for diagonal junctions slant:=0; % tilt ratio $(\Delta x/\Delta y)$ fudge:=1; % factor applied to weights of heavy characters math_spread:=0; % extra openness of math symbols superness:=1/sqrt2; % parameter for superellipses superpull:=1/6; % extra openness inside bowls beak_darkness:=11/30; % fraction of triangle inside beak serifs ligs:=2; % level of ligatures to be included square_dots:=false; % should dots be square? hefty:=false; % should we try hard not to be overweight? serifs:=true; % should serifs and bulbs be attached? monospace:=false; % should all characters have the same width? variant_g:=true; % should an italic-style g be used? low_asterisk:=false; % should the asterisk be centered at the axis? math_fitting:=true; % should math-mode spacing be used? mode_setup; font_setup; autorounding:=0; font_slant slant; font_x_height 0; font_quad 18u# if not monospace:+4letter_fit# fi; slant:=mono_charic#:=0; % the remaining characters will not be slanted currenttransform:=identity yscaled aspect_ratio scaled granularity; % ********************************************** % Macros and character definitions. % ********************************************** def Shaft (expr ChCode, ChWidthFrac,ChHeightFrac)= beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1= 0; x0=(w); y1=-d; y0=h; numeric theta,delta; theta=angle(z0-z1); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,90+theta); pos2(1.5rule_thickness,90+theta); x2= w; y2=h; %filldraw z2l---z1l{z1-z2}..{z2-z1}z1r---z2r{z2-z1}..{z1-z2}cycle; pickup pencircle scaled rule_thickness; draw z1--z0; penlabels(1,2); endchar; enddef; Shaft(0,1,4/5); Shaft(13,1,5/6); Shaft(26,1,1); Shaft(39,5/6,1); Shaft(52,4/5,1); Shaft(65,3/4,1); Shaft(78,2/3,1); Shaft(91,3/5,1); Shaft(104,1/2,1); def DashedShaft (expr ChCode, ChWidthFrac, ChHeightFrac)= beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1= 0; x0=(w); y1=-d; y0=h; numeric theta,delta; theta=angle(z0-z1); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,90+theta); pos2(1.5rule_thickness,90+theta); x2= w; y2=h; %filldraw z2l---z1l{z1-z2}..{z2-z1}z1r---z2r{z2-z1}..{z1-z2}cycle; pickup pencircle scaled rule_thickness; draw z1--1/6z2; draw 2/6z2--4/6z2; draw 5/6z2--z2; penlabels(1,2); endchar; enddef; DashedShaft(1,1,4/5); DashedShaft(14,1,5/6); DashedShaft(27,1,1); DashedShaft(40,5/6,1); DashedShaft(53,4/5,1); DashedShaft(66,3/4,1); DashedShaft(79,2/3,1); DashedShaft(92,3/5,1); DashedShaft(105,1/2,1); def UpperHead (expr ChCode, ChWidthFrac, ChHeightFrac)= beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=0; x0=w; y1=-d; y0=h; numeric theta; theta=angle(z0-z1); pos1(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir -(90+(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir -(180+(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z2l=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; endchar; enddef; UpperHead(2,1,4/5); UpperHead(15,1,5/6); UpperHead(28,1,1); UpperHead(41,5/6,1); UpperHead(54,4/5,1); UpperHead(67,3/4,1); UpperHead(80,2/3,1); UpperHead(93,3/5,1); UpperHead(106,1/2,1); def LowerHead (expr ChCode, ChWidthFrac, ChHeightFrac)= beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=w; x0=0; y1=h; y0=-d; numeric theta; theta=angle(z1-z0); pos1(rule_thickness,-90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir (90-(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir -(45-theta) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); pos5(bar,90-(45-theta)); z5l=z0; pos6(bar,-(45-theta)); z6l=z0; z2r=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; endchar; enddef; LowerHead(3,1,4/5); LowerHead(16,1,5/6); LowerHead(29,1,1); LowerHead(42,5/6,1); LowerHead(55,4/5,1); LowerHead(68,3/4,1); LowerHead(81,2/3,1); LowerHead(94,3/5,1); LowerHead(107,1/2,1); def UpperTopBarb (expr ChCode, ChWidthFrac,ChHeightFrac)= beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=0; x0=w; y1=-d; y0=h; numeric theta; theta=angle(z0-z1); pos1(rule_thickness,90+theta); pos0(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir -(90+(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir -(180+(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z2l=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2r{dir -(90-theta)}..{z1-z0}z0l--z2l--cycle; endchar; enddef; UpperTopBarb(4,1,4/5); UpperTopBarb(17,1,5/6); UpperTopBarb(30,1,1); UpperTopBarb(43,5/6,1); UpperTopBarb(56,4/5,1); UpperTopBarb(69,3/4,1); UpperTopBarb(82,2/3,1); UpperTopBarb(95,3/5,1); UpperTopBarb(108,1/2,1); def UpperBotBarb (expr ChCode, ChWidthFrac,ChHeightFrac)= beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=0; x0=w; y1=-d; y0=h; numeric theta; theta=angle(z0-z1); pos1(rule_thickness,90+theta); pos0(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir -(90+(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir -(180+(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z2l=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; filldraw z2r{dir (90+theta)}..{z1-z0}z0r--z2l--cycle; endchar; enddef; UpperBotBarb(5,1,4/5); UpperBotBarb(18,1,5/6); UpperBotBarb(31,1,1); UpperBotBarb(44,5/6,1); UpperBotBarb(57,4/5,1); UpperBotBarb(70,3/4,1); UpperBotBarb(83,2/3,1); UpperBotBarb(96,3/5,1); UpperBotBarb(109,1/2,1); def LowerTopBarb (expr ChCode, ChWidthFrac,ChHeightFrac)= beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=w ; x0=0; y1=h; y0=-d; numeric theta; theta=angle(z1-z0); pos1(rule_thickness,90+theta); pos0(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir (90-(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir -(45-theta) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); pos5(bar,90-(45-theta)); z5l=z0; pos6(bar,-(45-theta)); z6l=z0; z2r=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; filldraw z2l{dir -(90-theta)}..{z1-z0}z0l--z2r--cycle; endchar; enddef; LowerTopBarb(6,1,4/5); LowerTopBarb(19,1,5/6); LowerTopBarb(32,1,1); LowerTopBarb(45,5/6,1); LowerTopBarb(58,4/5,1); LowerTopBarb(71,3/4,1); LowerTopBarb(84,2/3,1); LowerTopBarb(97,3/5,1); LowerTopBarb(110,1/2,1); def LowerBotBarb (expr ChCode, ChWidthFrac,ChHeightFrac)= beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=w ; x0=0; y1=h; y0=-d; numeric theta,delta;theta=angle(z1-z0); pos1(rule_thickness,90+theta); pos0(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir (90-(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir -(45-theta) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); pos5(bar,90-(45-theta)); z5l=z0; pos6(bar,-(45-theta)); z6l=z0; z2r=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2l{dir (90+theta)}..{z1-z0}z0r--z2r--cycle; endchar; enddef; LowerBotBarb(7,1,4/5); LowerBotBarb(20,1,5/6); LowerBotBarb(33,1,1); LowerBotBarb(46,5/6,1); LowerBotBarb(59,4/5,1); LowerBotBarb(72,3/4,1); LowerBotBarb(85,2/3,1); LowerBotBarb(98,3/5,1); LowerBotBarb(111,1/2,1); def LowerTopHook (expr ChCode, ChWidthFrac,ChHeightFrac)= compute_spread(.45x_height#,.55x_height); beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=(w) ; x0= 0; y1=h; y0=-d; numeric theta,delta; theta=angle(z1-z0); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,-90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir (90+theta) xscaled spread yscaled spread; %dir (90-theta) xscaled (delta+eps) yscaled (delta+eps); %z3=z0+ dir -(45-theta) xscaled (delta+eps) yscaled (delta+eps); pos5(bar,90-(45-theta)); z5l=z0; pos6(bar,-(45-theta)); z6l=z0; z2l=z0; z9=.381966[.5[z3,z4],z0]; pickup rule.nib; z40= 1/2[z0,z4] + dir (180+theta) xscaled 2.5u yscaled 2.5u; draw z0{z0-z1}..{z4-z0}z40..{z1-z0}z4; %penstroke z2e..{z4-z9}z4e; penlabels(0,1,2,3,4,5,6,9); endchar; enddef; LowerTopHook(8,1,4/5); LowerTopHook(21,1,5/6); LowerTopHook(34,1,1); LowerTopHook(47,5/6,1); LowerTopHook(60,4/5,1); LowerTopHook(73,3/4,1); LowerTopHook(86,2/3,1); LowerTopHook(99,3/5,1); LowerTopHook(112,1/2,1); def LowerBotHook (expr ChCode, ChWidthFrac, ChHeightFrac)= compute_spread(.45x_height#,.55x_height); beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=(w) ; x0= 0; y1=h; y0=-d; numeric theta,delta; theta=angle(z1-z0); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,-90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir -(90-theta) xscaled spread yscaled spread; %dir (90-theta) xscaled (delta+eps) yscaled (delta+eps); %z3=z0+ dir -(45-theta) xscaled (delta+eps) yscaled (delta+eps); pos5(bar,90-(45-theta)); z5l=z0; pos6(bar,-(45-theta)); z6l=z0; z2l=z0; z9=.381966[.5[z3,z4],z0]; z40= 1/2[z0,z4] + dir (180+theta) xscaled 2.5u yscaled 2.5u; pickup rule.nib; draw z0{z0-z1}..{z4-z0}z40..{z1-z0}z4; %penstroke z2e..{z4-z9}z4e; penlabels(0,1,2,3,4,5,6,9); endchar; enddef; LowerBotHook(9,1,4/5); LowerBotHook(22,1,5/6); LowerBotHook(35,1,1); LowerBotHook(48,5/6,1); LowerBotHook(61,4/5,1); LowerBotHook(74,3/4,1); LowerBotHook(87,2/3,1); LowerBotHook(100,3/5,1); LowerBotHook(113,1/2,1); def UpperTopHook (expr ChCode, ChWidthFrac, ChHeightFrac)= beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1= 0; x0=(w); y1=-d; y0=h; numeric theta,delta; theta=angle(z0-z1); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir (90+theta) xscaled (spread) yscaled (spread); %z3=z0+ dir -(180+(45-theta)) xscaled (delta+eps) yscaled (delta+eps); z2r=z0; z9=.381966[.5[z3,z4],z0]; %penstroke z2e..{z3-z9}z3e; z40= 1/2[z0,z4] + dir theta xscaled 2.5u yscaled 2.5u; pickup rule.nib; draw z0{z0-z1}..{z4-z0}z40..{z1-z0}z4; penlabels(0,1,2,3,4,5,6,9); endchar; enddef; UpperTopHook(10,1,4/5); UpperTopHook(23,1,5/6); UpperTopHook(36,1,1); UpperTopHook(49,5/6,1); UpperTopHook(62,4/5,1); UpperTopHook(75,3/4,1); UpperTopHook(88,2/3,1); UpperTopHook(101,3/5,1); UpperTopHook(114,1/2,1); def UpperBotHook (expr ChCode, ChWidthFrac, ChHeightFrac)= beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1= 0; x0=(w); y1=-d; y0=h; numeric theta,delta; theta=angle(z0-z1); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir -(90-theta) xscaled (spread) yscaled (spread); %z3=z0+ dir -(180+(45-theta)) xscaled (delta+eps) yscaled (delta+eps); z2r=z0; z9=.381966[.5[z3,z4],z0]; z40= 1/2[z0,z4] + dir theta xscaled 2.5u yscaled 2.5u; %penstroke z2e..{z3-z9}z3e; pickup rule.nib; draw z0{z0-z1}..{z4-z0}z40..{z1-z0}z4; penlabels(0,1,2,3,4,5,6,9); endchar; enddef; UpperBotHook(11,1,4/5); UpperBotHook(24,1,5/6); UpperBotHook(37,1,1); UpperBotHook(50,5/6,1); UpperBotHook(63,4/5,1); UpperBotHook(76,3/4,1); UpperBotHook(89,2/3,1); UpperBotHook(102,3/5,1); UpperBotHook(115,1/2,1); def Squiggle (expr ChCode, ChWidthFrac, ChHeightFrac)= beginchar(ChCode,ChWidthFrac*18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); x0= 0; x1=(w); y0=-d; y1=h; numeric theta,delta; theta=angle(z1-z0); delta=3u; z2=.5/6[z0,z1]; z8=5.5/6[z0,z1]; z3=1/6[z0,z1] + dir (90+theta) xscaled (delta+eps) yscaled (delta+eps); z5=3/6[z0,z1] + dir (90+theta) xscaled (delta+eps) yscaled (delta+eps); z7=5/6[z0,z1] + dir (90+theta) xscaled (delta+eps) yscaled (delta+eps); z4=2/6[z0,z1] + dir -(90-theta) xscaled (delta+eps) yscaled (delta+eps); z6=4/6[z0,z1] + dir -(90-theta) xscaled (delta+eps) yscaled (delta+eps); pickup pencircle scaled rule_thickness; draw z0--z2--z3--z4--z5--z6--z7--z8--z1; penlabels(1,2); endchar; enddef; Squiggle(12,1,4/5); Squiggle(25,1,5/6); Squiggle(38,1,1); Squiggle(51,5/6,1); Squiggle(64,4/5,1); Squiggle(77,3/4,1); Squiggle(90,2/3,1); Squiggle(103,3/5,1); Squiggle(116,1/2,1); beginchar(117,0,math_axis#,0); adjust_fit(0,0); pickup crisp.nib; x0=0; y0=math_axis; pos2(1.5rule_thickness,0); pos3(bar,0); pos4(bar,0); z4=z0+ dir -45 xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z3=z0+ dir 45 xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z2r=z0; %was z2l z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; endchar; beginchar(118,0,math_axis#,0); adjust_fit(0,0); pickup crisp.nib; x0=0; y0=math_axis; pos2(1.5rule_thickness,180); pos3(bar,180); pos4(bar,180); z4=z0+ dir (180-45) xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z3=z0+ dir (180+45) xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z2r=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; endchar; beginchar(119,0,math_axis#,0); adjust_fit(0,0); pickup crisp.nib; x0=0; y0=math_axis; pos2(1.5rule_thickness,0); pos3(bar,0); pos4(bar,0); pos0(rule_thickness,90); z4=z0+ dir -45 xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z3=z0+ dir 45 xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z2r=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2l{down}..{right}z0l--z2r--cycle; endchar; beginchar(120,0,math_axis#,0); adjust_fit(0,0); pickup crisp.nib; x0=0; y0=math_axis; pos0(rule_thickness,90); pos2(1.5rule_thickness,0); pos3(bar,0); pos4(bar,0); z4=z0+ dir -45 scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir 45 xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z2r=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; filldraw z2l{up}..{right}z0r--z2r--cycle; endchar; compute_spread(.45x_height#,.55x_height); beginchar(121,spread#,math_axis#,0#); adjust_fit(0,0); pickup crisp.nib; x0=w; y0=math_axis; z4=z0+ dir (90) xscaled spread yscaled spread; pickup rule.nib; lft x40=0; y40=good.y 1/2[y0,y4]; draw z0{left}..z40..{right}z4; endchar; beginchar(122,spread#,math_axis#,0#); adjust_fit(0,0); pickup crisp.nib; x0=w; y0=math_axis; z4=z0+ dir (-90) xscaled spread yscaled spread; pickup rule.nib; lft x40=0; y40=good.y 1/2[y0,y4]; draw z0{left}..z40..{right}z4; endchar; bye.