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 } 65