matrix.c (1760B)
1 #include "e.h" 2 3 int 4 startcol(int type) /* mark start of column in lp[] array */ 5 { 6 int oct = ct; 7 8 lp[ct++] = type; 9 lp[ct++] = 0; /* count, to come */ 10 lp[ct++] = 0; /* separation, to come */ 11 return oct; 12 } 13 14 void column(int oct, int sep) /* remember end of column that started at lp[oct] */ 15 { 16 int i, type; 17 18 lp[oct+1] = ct - oct - 3; 19 lp[oct+2] = sep; 20 type = lp[oct]; 21 if (dbg) { 22 printf(".\t%d column of", type); 23 for (i = oct+3; i < ct; i++ ) 24 printf(" S%d", lp[i]); 25 printf(", rows=%d, sep=%d\n", lp[oct+1], lp[oct+2]); 26 } 27 } 28 29 void matrix(int oct) /* matrix is list of columns */ 30 { 31 int nrow, ncol, i, j, k, val[100]; 32 double b, hb; 33 char *space; 34 extern char *Matspace; 35 36 space = Matspace; /* between columns of matrix */ 37 nrow = lp[oct+1]; /* disaster if rows inconsistent */ 38 /* also assumes just columns */ 39 /* fix when add other things */ 40 ncol = 0; 41 for (i = oct+1; i < ct; i += lp[i]+3 ) { 42 ncol++; 43 dprintf(".\tcolct=%d\n", lp[i]); 44 } 45 for (k=1; k <= nrow; k++) { 46 hb = b = 0; 47 j = oct + k + 2; 48 for (i=0; i < ncol; i++) { 49 hb = max(hb, eht[lp[j]]-ebase[lp[j]]); 50 b = max(b, ebase[lp[j]]); 51 j += nrow + 3; 52 } 53 dprintf(".\trow %d: b=%g, hb=%g\n", k, b, hb); 54 j = oct + k + 2; 55 for (i=0; i<ncol; i++) { 56 ebase[lp[j]] = b; 57 eht[lp[j]] = b + hb; 58 j += nrow + 3; 59 } 60 } 61 j = oct; 62 for (i=0; i<ncol; i++) { 63 pile(j); 64 val[i] = yyval; 65 j += nrow + 3; 66 } 67 yyval = salloc(); 68 eht[yyval] = eht[val[0]]; 69 ebase[yyval] = ebase[val[0]]; 70 lfont[yyval] = rfont[yyval] = 0; 71 dprintf(".\tmatrix S%d: r=%d, c=%d, h=%g, b=%g\n", 72 (int)yyval,nrow,ncol,eht[yyval],ebase[yyval]); 73 printf(".ds %d \"", (int)yyval); 74 for( i=0; i<ncol; i++ ) { 75 printf("\\*(%d%s", val[i], i==ncol-1 ? "" : space); 76 sfree(val[i]); 77 } 78 printf("\n"); 79 }