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1.1 root 1: # include "e.h"
2:
3: lpile(type, p1, p2) int type, p1, p2; {
4: int bi, hi, i, gap, h, b, nlist, nlist2, mid;
5: yyval = oalloc();
6: gap = VERT( (ps*6*4)/10 ); /* 4/10 m between blocks */
7: if( type=='-' ) gap = 0;
8: nlist = p2 - p1;
9: nlist2 = (nlist+1)/2;
10: mid = p1 + nlist2 -1;
11: h = 0;
12: for( i=p1; i<p2; i++ )
13: h += eht[lp[i]];
14: eht[yyval] = h + (nlist-1)*gap;
15: b = 0;
16: for( i=p2-1; i>mid; i-- )
17: b += eht[lp[i]] + gap;
18: ebase[yyval] = (nlist%2) ? b + ebase[lp[mid]]
19: : b - VERT( (ps*6*5)/10 ) - gap;
20: if(dbg) {
21: printf(".\tS%d <- %c pile of:", yyval, type);
22: for( i=p1; i<p2; i++)
23: printf(" S%d", lp[i]);
24: printf(";h=%d b=%d\n", eht[yyval], ebase[yyval]);
25: }
26: nrwid(lp[p1], ps, lp[p1]);
27: printf(".nr %d \\n(%d\n", yyval, lp[p1]);
28: for( i = p1+1; i<p2; i++ ) {
29: nrwid(lp[i], ps, lp[i]);
30: printf(".if \\n(%d>\\n(%d .nr %d \\n(%d\n",
31: lp[i], yyval, yyval, lp[i]);
32: }
33: printf(".ds %d \\v'%du'\\h'%du*\\n(%du'\\\n", yyval, ebase[yyval],
34: type=='R' ? 1 : 0, yyval);
35: for(i = p2-1; i >=p1; i--) {
36: hi = eht[lp[i]];
37: bi = ebase[lp[i]];
38: switch(type) {
39:
40: case 'L':
41: printf("\\v'%du'\\*(%d\\h'-\\n(%du'\\v'0-%du'\\\n",
42: -bi, lp[i], lp[i], hi-bi+gap);
43: continue;
44: case 'R':
45: printf("\\v'%du'\\h'-\\n(%du'\\*(%d\\v'0-%du'\\\n",
46: -bi, lp[i], lp[i], hi-bi+gap);
47: continue;
48: case 'C':
49: case '-':
50: printf("\\v'%du'\\h'\\n(%du-\\n(%du/2u'\\*(%d",
51: -bi, yyval, lp[i], lp[i]);
52: printf("\\h'-\\n(%du-\\n(%du/2u'\\v'0-%du'\\\n",
53: yyval, lp[i], hi-bi+gap);
54: continue;
55: }
56: }
57: printf("\\v'%du'\\h'%du*\\n(%du'\n", eht[yyval]-ebase[yyval]+gap,
58: type!='R' ? 1 : 0, yyval);
59: for( i=p1; i<p2; i++ )
60: ofree(lp[i]);
61: lfont[yyval] = rfont[yyval] = 0;
62: }
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