projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 8a4a9490 BS |
1 | /* matrix.c 4.1 83/02/11 */ |
| 2 | ||
| 3 | #include "e.h" | |
| 4 | ||
| 5 | column(type, p1) int type, p1; { | |
| 6 | int i; | |
| 7 | ||
| 8 | lp[p1] = ct - p1 - 1; | |
| 9 | if( dbg ){ | |
| 10 | printf(".\t%d column of", type); | |
| 11 | for( i=p1+1; i<ct; i++ ) | |
| 12 | printf(" S%d", lp[i]); | |
| 13 | printf(", rows=%d\n",lp[p1]); | |
| 14 | } | |
| 15 | lp[ct++] = type; | |
| 16 | } | |
| 17 | ||
| 18 | matrix(p1) int p1; { | |
| 19 | int nrow, ncol, i, j, k, hb, b, val[100]; | |
| 20 | char *space; | |
| 21 | ||
| 22 | space = "\\ \\ "; | |
| 23 | nrow = lp[p1]; /* disaster if rows inconsistent */ | |
| 24 | ncol = 0; | |
| 25 | for( i=p1; i<ct; i += lp[i]+2 ){ | |
| 26 | ncol++; | |
| 27 | if(dbg)printf(".\tcolct=%d\n",lp[i]); | |
| 28 | } | |
| 29 | for( k=1; k<=nrow; k++ ) { | |
| 30 | hb = b = 0; | |
| 31 | j = p1 + k; | |
| 32 | for( i=0; i<ncol; i++ ) { | |
| 33 | hb = max(hb, eht[lp[j]]-ebase[lp[j]]); | |
| 34 | b = max(b, ebase[lp[j]]); | |
| 35 | j += nrow + 2; | |
| 36 | } | |
| 37 | if(dbg)printf(".\trow %d: b=%d, hb=%d\n", k, b, hb); | |
| 38 | j = p1 + k; | |
| 39 | for( i=0; i<ncol; i++ ) { | |
| 40 | ebase[lp[j]] = b; | |
| 41 | eht[lp[j]] = b + hb; | |
| 42 | j += nrow + 2; | |
| 43 | } | |
| 44 | } | |
| 45 | j = p1; | |
| 46 | for( i=0; i<ncol; i++ ) { | |
| 47 | lpile(lp[j+lp[j]+1], j+1, j+lp[j]+1); | |
| 48 | val[i] = yyval; | |
| 49 | j += nrow + 2; | |
| 50 | } | |
| 51 | yyval = oalloc(); | |
| 52 | eht[yyval] = eht[val[0]]; | |
| 53 | ebase[yyval] = ebase[val[0]]; | |
| 54 | lfont[yyval] = rfont[yyval] = 0; | |
| 55 | if(dbg)printf(".\tmatrix S%d: r=%d, c=%d, h=%d, b=%d\n", | |
| 56 | yyval,nrow,ncol,eht[yyval],ebase[yyval]); | |
| 57 | printf(".ds %d \"", yyval); | |
| 58 | for( i=0; i<ncol; i++ ) { | |
| 59 | printf("\\*(%d%s", val[i], i==ncol-1 ? "" : space); | |
| 60 | ofree(val[i]); | |
| 61 | } | |
| 62 | printf("\n"); | |
| 63 | ct = p1; | |
| 64 | } |