projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 6f1a2a65 | 1 | /* pile.c 4.2 83/02/12 */ |
| 32b159e6 BS |
2 | |
| 3 | # include "e.h" | |
| 4 | ||
| 5 | lpile(type, p1, p2) int type, p1, p2; { | |
| 6 | int bi, hi, i, gap, h, b, nlist, nlist2, mid; | |
| 7 | yyval = oalloc(); | |
| 6f1a2a65 | 8 | #ifndef NEQN |
| 32b159e6 | 9 | gap = VERT( (ps*6*4)/10 ); /* 4/10 m between blocks */ |
| 6f1a2a65 BS |
10 | #else NEQN |
| 11 | gap = VERT(1); | |
| 12 | #endif NEQN | |
| 32b159e6 BS |
13 | if( type=='-' ) gap = 0; |
| 14 | nlist = p2 - p1; | |
| 15 | nlist2 = (nlist+1)/2; | |
| 16 | mid = p1 + nlist2 -1; | |
| 17 | h = 0; | |
| 18 | for( i=p1; i<p2; i++ ) | |
| 19 | h += eht[lp[i]]; | |
| 20 | eht[yyval] = h + (nlist-1)*gap; | |
| 21 | b = 0; | |
| 22 | for( i=p2-1; i>mid; i-- ) | |
| 23 | b += eht[lp[i]] + gap; | |
| 24 | ebase[yyval] = (nlist%2) ? b + ebase[lp[mid]] | |
| 6f1a2a65 | 25 | #ifndef NEQN |
| 32b159e6 | 26 | : b - VERT( (ps*6*5)/10 ) - gap; |
| 6f1a2a65 BS |
27 | #else NEQN |
| 28 | : b - VERT(1) - gap; | |
| 29 | #endif NEQN | |
| 32b159e6 BS |
30 | if(dbg) { |
| 31 | printf(".\tS%d <- %c pile of:", yyval, type); | |
| 32 | for( i=p1; i<p2; i++) | |
| 33 | printf(" S%d", lp[i]); | |
| 34 | printf(";h=%d b=%d\n", eht[yyval], ebase[yyval]); | |
| 35 | } | |
| 36 | nrwid(lp[p1], ps, lp[p1]); | |
| 37 | printf(".nr %d \\n(%d\n", yyval, lp[p1]); | |
| 38 | for( i = p1+1; i<p2; i++ ) { | |
| 39 | nrwid(lp[i], ps, lp[i]); | |
| 40 | printf(".if \\n(%d>\\n(%d .nr %d \\n(%d\n", | |
| 41 | lp[i], yyval, yyval, lp[i]); | |
| 42 | } | |
| 43 | printf(".ds %d \\v'%du'\\h'%du*\\n(%du'\\\n", yyval, ebase[yyval], | |
| 44 | type=='R' ? 1 : 0, yyval); | |
| 45 | for(i = p2-1; i >=p1; i--) { | |
| 46 | hi = eht[lp[i]]; | |
| 47 | bi = ebase[lp[i]]; | |
| 48 | switch(type) { | |
| 49 | ||
| 50 | case 'L': | |
| 51 | printf("\\v'%du'\\*(%d\\h'-\\n(%du'\\v'0-%du'\\\n", | |
| 52 | -bi, lp[i], lp[i], hi-bi+gap); | |
| 53 | continue; | |
| 54 | case 'R': | |
| 55 | printf("\\v'%du'\\h'-\\n(%du'\\*(%d\\v'0-%du'\\\n", | |
| 56 | -bi, lp[i], lp[i], hi-bi+gap); | |
| 57 | continue; | |
| 58 | case 'C': | |
| 59 | case '-': | |
| 60 | printf("\\v'%du'\\h'\\n(%du-\\n(%du/2u'\\*(%d", | |
| 61 | -bi, yyval, lp[i], lp[i]); | |
| 62 | printf("\\h'-\\n(%du-\\n(%du/2u'\\v'0-%du'\\\n", | |
| 63 | yyval, lp[i], hi-bi+gap); | |
| 64 | continue; | |
| 65 | } | |
| 66 | } | |
| 67 | printf("\\v'%du'\\h'%du*\\n(%du'\n", eht[yyval]-ebase[yyval]+gap, | |
| 68 | type!='R' ? 1 : 0, yyval); | |
| 69 | for( i=p1; i<p2; i++ ) | |
| 70 | ofree(lp[i]); | |
| 71 | lfont[yyval] = rfont[yyval] = 0; | |
| 72 | } |