BSD 3 development
[unix-history] / usr / src / cmd / eqn / integral.c
CommitLineData
42d6e430
BJ
1# include "e.h"
2# include "e.def"
3
4integral(p, p1, p2) {
5 if (p1 != 0)
6 printf(".ds %d \\h'-0.4m'\\v'0.4m'\\*(%d\\v'-0.4m'\n", p1, p1);
7 if (p2 != 0)
8 printf(".ds %d \\v'-0.3m'\\*(%d\\v'0.3m'\n", p2, p2);
9 if (p1 != 0 && p2 != 0)
10 shift2(p, p1, p2);
11 else if (p1 != 0)
12 bshiftb(p, SUB, p1);
13 else if (p2 != 0)
14 bshiftb(p, SUP, p2);
15 if(dbg)printf(".\tintegral: S%d; h=%d b=%d\n",
16 p, eht[p], ebase[p]);
17 lfont[p] = ROM;
18}
19
20setintegral() {
21 char *f;
22
23 yyval = oalloc();
24 f = "\\(is";
25 printf(".ds %d \\s%d\\v'.1m'\\s+4%s\\s-4\\v'-.1m'\\s%d\n",
26 yyval, ps, f, ps);
27 eht[yyval] = VERT( (((ps+4)*12)/10)*6 );
28 ebase[yyval] = VERT( (ps*6*3)/10 );
29 lfont[yyval] = rfont[yyval] = ROM;
30}