This is METAFONT, WAITS Version -69.0 (INIMF)  10 MAY 1984 03:31
**tst
(TST.MF[MF,DEK]
{tracingedges:=1}
{tracingtitles:=1}
{tracingequations:=1}
{tracingspecs:=1}
{tracingpens:=1}
{tracingchoices:=1}
{tracingstats:=2}
{tracingonline:=1}

{tracingoutput:=1}
{tracingmacros:=3}
{showstats}
Memory usage 352&78; string usage 885&18320
! OK.
l.28 showstats;
               
? ipausing:=1;show autorounding;
{pausing:=1}
{show}
>> 0
! OK.
<insert>   pausing:=1;show autorounding;
                                        
l.28 showstats;
               
? 

%draw semicirc scaled 43.5 withpen p1;=>%draw semicirc scaled 43.5 withpen p1;

%display ee on 5; shipout ee; ee:=nulledges;=>%display ee on 5; shipout ee; ee:
=nulledges;

%draw semicirc scaled 43.5 withpen p2;=>%draw semicirc scaled 43.5 withpen p2;

%display ee on 5; shipout ee; ee:=nulledges;=>%display ee on 5; shipout ee; ee:
=nulledges;

autorounding:=2;=>

draw semicirc scaled 43.5 withpen p1;=>draw semicirc scaled 43.5 withpen p1;

draw<expression>->addto.ee.doublepath(EXPR0)withweight1
{(path)scaled(43.5)}
(EXPR0)<-path
{addto}
Path at line 34, before subdivision into octants:
(43.5,0)..controls (43.5,5.76805) and (41.20871,11.30113)
 ..(37.12993,15.37993)..controls (33.05113,19.45871) and (27.51805,21.75)
 ..(21.75,21.75)..controls (15.98195,21.75) and (10.44887,19.45871)
 ..(6.37009,15.37993)..controls (2.29129,11.30113) and (0,5.76805)
 ..(0,0)..controls (0,5.76805) and (2.29129,11.30113)
 ..(6.37009,15.37993)..controls (10.44887,19.45871) and (15.98195,21.75)
 ..(21.75,21.75)..controls (27.51805,21.75) and (33.05113,19.45871)
 ..(37.12993,15.37993)..controls (41.20871,11.30113) and (43.5,5.76805)
 ..cycle

Cycle spec at line 34, after subdivision:
(43.5,0) % beginning in the third octant
   ..controls (43.5,5.76805) and (41.20871,11.30113)
 ..(37.12993,15.37993) % segment 0
% entering the fourth octant
   ..controls (33.05113,19.45871) and (27.51805,21.75)
 ..(21.75,21.75) % segment 1
% entering the fifth octant
   ..controls (15.98195,21.75) and (10.44887,19.45871)
 ..(6.37009,15.37993) % segment 2
% entering the sixth octant
   ..controls (2.29129,11.30113) and (0,5.76805)
 ..(0,0) % segment 3
% entering the seventh octant
% entering the eighth octant
% entering the first octant
% entering the second octant
   ..controls (0,5.76805) and (2.29129,11.30113)
 ..(6.37009,15.37993) % segment 4
% entering the first octant
   ..controls (10.44887,19.45871) and (15.98195,21.75)
 ..(21.75,21.75) % segment 5
% entering the eighth octant
   ..controls (27.51805,21.75) and (33.05113,19.45871)
 ..(37.12993,15.37993) % segment 6
% entering the seventh octant
   ..controls (41.20871,11.30113) and (43.5,5.76805)
 ..(43.5,0) % segment 7
% entering the eighth octant
% entering the first octant
% entering the second octant
 & cycle

Tracing edges at line 34: (weight 1)
(44,0)(44,5)(43,5)(43,8)(42,8)(42,10)(41,10)(41,12)(40,12)(40,13)(39,13)
(39,14)(38,14)(38,16)(36,16)(36,17)(35,17)(35,18)(34,18)(34,19)(32,19)
(32,20)(30,20)(30,21)(27,21)(27,22)(16,22)(16,21)(13,21)(13,20)(11,20)
(11,19)(10,19)(10,18)(8,18)(8,17)(7,17)(7,16)(6,16)(6,15)(5,15)(5,14)
(4,14)(4,13)(3,13)(3,11)(2,11)(2,9)(1,9)(1,7)(0,7)(0,0)(1,0)(1,7)(2,7)
(2,9)(3,9)(3,11)(4,11)(4,13)(5,13)(5,14)(6,14)(6,15)(7,15)(7,16)(8,16)
(8,17)(10,17)(10,18)(11,18)(11,19)(13,19)(13,20)(16,20)(16,21)(22,21)
(22,22)(22,21)(22,22)(22,21)(27,21)(27,20)(30,20)(30,19)(32,19)(32,18)
(34,18)(34,17)(35,17)(35,16)(36,16)(36,15)(37,15)(37,14)(38,14)(38,13)
(39,13)(39,12)(40,12)(40,10)(41,10)(41,8)(42,8)(42,5)(43,5)(43,0).


display ee on 5; shipout ee; ee:=nulledges;=>display ee on 5; shipout ee; ee:=n
ulledges;
{display}
{shipout}
! I can't write on file `tst.gf'.
Please type another file name for output: tst.ggf
Edge structure at line 35 (just shipped out):
row 21: | 16+ 22- 22- 22+ 22+ 27-
row 20: | 13+ 16- 27+ 30-
row 19: | 11+ 13- 30+ 32-
row 18: | 10+ 11- 32+ 34-
row 17: | 8+ 10- 34+ 35-
row 16: | 7+ 8- 35+ 36-
row 15: | 6+ 7- 36+ 38-
row 14: | 5+ 6- 37+ 38-
row 13: | 4+ 5- 38+ 39-
row 12: | 3+ 4- 39+ 40-
row 11: | 3+ 4- 40+ 41-
row 10: | 2+ 3- 40+ 41-
row 9: | 2+ 3- 41+ 42-
row 8: | 1+ 2- 41+ 42-
row 7: | 1+ 2- 42+ 43-
row 6: | 0+ 1- 42+ 43-
row 5: | 0+ 1- 42+ 43-
row 4: | 0+ 1- 43+ 44-
row 3: | 0+ 1- 43+ 44-
row 2: | 0+ 1- 43+ 44-
row 1: | 0+ 1- 43+ 44-
row 0: | 0+ 1- 43+ 44-

{nulledges}
{ee:=edges}

%smoothing:=1;=>%smoothing:=1;

%draw semicirc scaled 43.5 withpen p1;=>%draw semicirc scaled 43.5 withpen p1;

%display ee on 5; shipout ee; ee:=nulledges;=>%display ee on 5; shipout ee; ee:
=nulledges;

draw semicirc scaled 43.5 withpen pencircle scaled 2;=>draw semicirc scaled 43.
5 withpen pencircle scaled 2;

draw<expression>->addto.ee.doublepath(EXPR0)withweight1
{(path)scaled(43.5)}
(EXPR0)<-path
{addto}
{pencircle}
{(future pen)scaled(2)}
Pen polygon at line 39 (newly created):
(0,-1)
 .. (1,-0.5)
 .. (1,0)
 .. (0.5,1)
 .. (0,1)
 .. (-1,0.5)
 .. (-1,0)
 .. (-0.5,-1)
 .. cycle

Path at line 39, before subdivision into octants:
(43.5,0)..controls (43.5,5.76805) and (41.20871,11.30113)
 ..(37.12993,15.37993)..controls (33.05113,19.45871) and (27.51805,21.75)
 ..(21.75,21.75)..controls (15.98195,21.75) and (10.44887,19.45871)
 ..(6.37009,15.37993)..controls (2.29129,11.30113) and (0,5.76805)
 ..(0,0)..controls (0,5.76805) and (2.29129,11.30113)
 ..(6.37009,15.37993)..controls (10.44887,19.45871) and (15.98195,21.75)
 ..(21.75,21.75)..controls (27.51805,21.75) and (33.05113,19.45871)
 ..(37.12993,15.37993)..controls (41.20871,11.30113) and (43.5,5.76805)
 ..cycle

Cycle spec at line 39, after subdivision:
(43.5,0) % beginning in the third octant
   ..controls (43.5,5.76805) and (41.20871,11.30113)
 ..(37.12993,15.37993) % segment 0
% entering the fourth octant
   ..controls (33.05113,19.45871) and (27.51805,21.75)
 ..(21.75,21.75) % segment 1
% entering the fifth octant
   ..controls (15.98195,21.75) and (10.44887,19.45871)
 ..(6.37009,15.37993) % segment 2
% entering the sixth octant
   ..controls (2.29129,11.30113) and (0,5.76805)
 ..(0,0) % segment 3
% entering the seventh octant
% entering the eighth octant
% entering the first octant
% entering the second octant
   ..controls (0,5.76805) and (2.29129,11.30113)
 ..(6.37009,15.37993) % segment 4
% entering the first octant
   ..controls (10.44887,19.45871) and (15.98195,21.75)
 ..(21.75,21.75) % segment 5
% entering the eighth octant
   ..controls (27.51805,21.75) and (33.05113,19.45871)
 ..(37.12993,15.37993) % segment 6
% entering the seventh octant
   ..controls (41.20871,11.30113) and (43.5,5.76805)
 ..(43.5,0) % segment 7
% entering the eighth octant
% entering the first octant
% entering the second octant
 & cycle

Tracing edges at line 39: (weight 1)
(44,0)(44,7)(43,7)(43,9)(42,9)(42,11)(41,11)(41,13)(40,13)(40,14)(39,14)
(39,15)(38,15)(38,17)(36,17)(36,18)(35,18)(35,19)(34,19)(34,20)(32,20)
(32,21)(30,21)(30,22)(26,22)(26,23)(18,23)(18,22)(14,22)(14,21)(12,21)
(12,20)(10,20)(10,19)(9,19)(9,18)(7,18)(7,17)(6,17)(6,16)(5,16)(5,15)
(4,15)(4,14)(3,14)(3,12)(2,12)(2,11)(1,11)(1,8)(0,8)(0,5)(-1,5)(-1,-1)
(1,-1)(1,4)(2,4)(2,7)(3,7)(3,10)(4,10)(4,11)(5,11)(5,13)(6,13)(6,14)
(7,14)(7,15)(6,15)(6,14)(7,14)(7,15)(8,15)(8,16)(9,16)(9,17)(11,17)
(11,18)(12,18)(12,19)(14,19)(14,20)(18,20)(18,21)(25,21)(25,20)(29,20)
(29,19)(31,19)(31,18)(33,18)(33,17)(34,17)(34,16)(35,16)(35,15)(37,15)
(37,14)(37,15)(36,15)(36,16)(36,15)(37,15)(37,13)(38,13)(38,12)(39,12)
(39,11)(40,11)(40,9)(41,9)(41,7)(42,7)(42,4)(43,4)(43,-1)(44,-1)(44,0).


display ee on 5; shipout ee; ee:=nulledges;=>display ee on 5; shipout ee; ee:=n
ulledges;
{display}
{shipout}
Edge structure at line 40 (just shipped out):
row 22: | 18+ 26-
row 21: | 14+ 30-
row 20: | 12+ 18- 25+ 32-
row 19: | 10+ 14- 29+ 34-
row 18: | 9+ 12- 31+ 35-
row 17: | 7+ 11- 33+ 36-
row 16: | 6+ 9- 34+ 38-
row 15: | 5+ 8- 35+ 36- 36+ 38-
row 14: | 4+ 6+ 7- 7- 37- 37+ 37+ 39-
row 13: | 3+ 6- 37+ 40-
row 12: | 3+ 5- 38+ 41-
row 11: | 2+ 5- 39+ 41-
row 10: | 1+ 4- 40+ 42-
row 9: | 1+ 3- 40+ 42-
row 8: | 1+ 3- 41+ 43-
row 7: | 0+ 3- 41+ 43-
row 6: | 0+ 2- 42+ 44-
row 5: | 0+ 2- 42+ 44-
row 4: | -1+ 2- 42+ 44-
row 3: | -1+ 1- 43+ 44-
row 2: | -1+ 1- 43+ 44-
row 1: | -1+ 1- 43+ 44-
row 0: | -1+ 1- 43+ 44-
row -1: | -1+ 1- 43+ 44-

{nulledges}
{ee:=edges}

end=>end
 
Here is how much of METAFONT's memory you used:
 12 strings out of 624
 57 string characters out of 13715
 735&178 words of memory out of 13000&17001
 188 symbolic tokens out of 2100
 2i,1p,79b stack positions out of 30i,30p,500b
Output written on TST.GGF[MF,DEK] (2 characters, 332 bytes).