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% mathematical symbols by Anthony Phan.
% file: mathsmsy.mf (various small mathematical symbols)
% last modification: May 16, 2005.
% Only known charcodes will be generated.
def horizontal_rules_list=math_axis,
-body_depth,-desc_depth,x_height,cap_height,asc_height,body_height,
0.5[-d,h],math_axis
enddef;
% SMALL TRIANGLES
beginchar(triangle_small_left,
7u#+2appr#,v_center(7u#));
"Small triangle left";
pickup tiny.nib;
a:=7u;
set_triangle(left,a,rth0,true,false);
filldraw stroke z1e--z2e--z3e--z1e;
endchar;
beginchar(triangle_small_right,
7u#+2appr#,v_center(7u#));
"Small triangle right";
pickup tiny.nib;
a:=7u;
set_triangle(right,a,rth0,true,false);
filldraw stroke z1e--z2e--z3e--z1e;
endchar;
beginchar(triangle_small_up,
7u#+2appr#,v_center(7u#));
"Small triangle up";
pickup tiny.nib;
a:=7u;
set_triangle(up,a,rth0,true,false);
filldraw stroke z1e--z2e--z3e--z1e;
endchar;
beginchar(triangle_small_down,
7u#+2appr#,v_center(7u#));
"Small triangle down";
pickup tiny.nib;
a:=7u;
set_triangle(down,a,rth0,true,false);
filldraw stroke z1e--z2e--z3e--z1e;
endchar;
% FULL SMALL TRIANGLES
beginchar(triangle_small_full_left,
7u#+2appr#,v_center(7u#));
"Small full triangle left";
pickup tiny.nib;
a:=7u-0.5rth0;
set_triangle(left,a,rth0,true,false);
filldraw z1r--z2r--z3r--cycle;
endchar;
beginchar(triangle_small_full_right,
7u#+2appr#,v_center(7u#));
"Small full triangle right";
pickup tiny.nib;
a:=7u-0.5rth0;
set_triangle(right,a,rth0,true,false);
filldraw z1r--z2r--z3r--cycle;
endchar;
beginchar(triangle_small_full_up,
7u#+2appr#,v_center(7u#));
"Small full triangle up";
pickup tiny.nib;
a:=7u-0.5rth0;
set_triangle(up,a,rth0,true,false);
filldraw z1r--z2r--z3r--cycle;
endchar;
beginchar(triangle_small_full_down,
7u#+2appr#,v_center(7u#));
"Small full triangle down";
pickup tiny.nib;
a:=7u-0.5rth0;
set_triangle(down,a,rth0,true,false);
filldraw z1r--z2r--z3r--cycle;
endchar;
% MEDIUM TRIANGLES
beginchar(triangle_med_left,
12u#+2appr#,x_height#,0);
"Medium triangle left";
pickup tiny.nib;
a:=2(h+o)/sqrt 3;
set_triangle(left,a,rth1,true,false);
filldraw stroke z1e--z2e--z3e--z1e;
endchar;
beginchar(triangle_med_right,
12u#+2appr#,x_height#,0);
"Medium triangle right";
pickup tiny.nib;
a:=2(h+o)/sqrt 3;
set_triangle(right,a,rth1,true,false);
filldraw stroke z1e--z2e--z3e--z1e;
endchar;
beginchar(triangle_med_up,
12u#+2appr#,x_height#,0);
"Medium triangle up";
pickup tiny.nib;
a:=2(h+o)/sqrt 3; triangle_foot:=0;
set_triangle(up,a,rth1,false,false);
filldraw stroke z1e--z2e--z3e--z1e;
endchar;
beginchar(triangle_med_down,
12u#+2appr#,x_height#,0);
"Medium triangle down";
pickup tiny.nib;
a:=2(h+o)/sqrt 3; triangle_foot:=h;
set_triangle(down,a,rth1,false,false);
filldraw stroke z1e--z2e--z3e--z1e;
endchar;
% MEDIUM FULL TRIANGLES
beginchar(triangle_med_full_left,
12u#+2appr#,x_height#,0);
"Medium full triangle left";
pickup tiny.nib;
a:=2(h+o)/sqrt 3;
set_triangle(left,a,rth1,true,false);
filldraw z1r--z2r--z3r--cycle;
endchar;
beginchar(triangle_med_full_right,
12u#+2appr#,x_height#,0);
"Medium full triangle right";
pickup tiny.nib;
a:=2(h+o)/sqrt 3;
set_triangle(right,a,rth1,true,false);
filldraw z1r--z2r--z3r--cycle;
endchar;
beginchar(triangle_med_full_up,
12u#+2appr#,x_height#,0);
"Medium full triangle up";
pickup tiny.nib;
a:=2(h+o)/sqrt 3; triangle_foot:=0;
set_triangle(up,a,rth1,false,false);
filldraw z1r--z2r--z3r--cycle;
endchar;
beginchar(triangle_med_full_down,
12u#+2appr#,x_height#,0);
"Medium full triangle down";
pickup tiny.nib;
a:=2(h+o)/sqrt 3; triangle_foot:=h;
set_triangle(down,a,rth1,false,false);
filldraw z1r--z2r--z3r--cycle;
endchar;
% BIG TRIANGLES
beginchar(triangle_big_left,
13u#+2appr#,cap_height#,0);
"Big triangle left";
pickup tiny.nib;
a:=2(h+o)/sqrt 3;
set_triangle(left,a,rth1,true,false);
filldraw stroke z1e--z2e--z3e--z1e;
endchar;
beginchar(triangle_big_right,
13u#+2appr#,cap_height#,0);
"Big triangle right";
pickup tiny.nib;
a:=2(h+o)/sqrt 3;
set_triangle(right,a,rth1,true,false);
filldraw stroke z1e--z2e--z3e--z1e;
endchar;
beginchar(triangle_big_up,
13u#+2appr#,cap_height#,0);
"Big triangle up";
pickup tiny.nib;
a:=2(h+o)/sqrt 3; triangle_foot:=0;
set_triangle(up,a,rth1,false,false);
filldraw stroke z1e--z2e--z3e--z1e;
endchar;
beginchar(triangle_big_down,
13u#+2appr#,cap_height#,0);
"Big triangle down";
pickup tiny.nib;
a:=2(h+o)/sqrt 3; triangle_foot:=h;
set_triangle(down,a,rth1,false,false);
filldraw stroke z1e--z2e--z3e--z1e;
endchar;
% BIG FULL TRIANGLES
beginchar(triangle_big_full_left,
13u#+2appr#,cap_height#,0);
"Big full triangle left";
pickup tiny.nib;
a:=2(h+o)/sqrt 3;
set_triangle(left,a,rth1,true,false);
filldraw z1r--z2r--z3r--cycle;
endchar;
beginchar(triangle_big_full_right,
13u#+2appr#,cap_height#,0);
"Big full triangle right";
pickup tiny.nib;
a:=2(h+o)/sqrt 3;
set_triangle(right,a,rth1,true,false);
filldraw z1r--z2r--z3r--cycle;
endchar;
beginchar(triangle_big_full_up,
13u#+2appr#,cap_height#,0);
"Big full triangle up";
pickup tiny.nib;
a:=2(h+o)/sqrt 3; triangle_foot:=0;
set_triangle(up,a,rth1,false,false);
filldraw z1r--z2r--z3r--cycle;
endchar;
beginchar(triangle_big_full_down,
13u#+2appr#,cap_height#,0);
"Big full triangle down";
pickup tiny.nib;
a:=2(h+o)/sqrt 3; triangle_foot:=h;
set_triangle(down,a,rth1,false,false);
filldraw z1r--z2r--z3r--cycle;
endchar;
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