[unix-history] / usr / src / usr.bin / eqn / common_source / diacrit.c

#ifndef lint
static char sccsid[] = "@(#)diacrit.c	4.3 8/11/83";
#endif

# include "e.h"
# include "e.def"

diacrit(p1, type) int p1, type; {
	int c, t;
#ifndef NEQN
	int effps;
#endif NEQN

	c = oalloc();
	t = oalloc();
#ifdef NEQN
	nrwid(p1, ps, p1);
	printf(".nr 10 %du\n", max(eht[p1]-ebase[p1]-VERT(2),0));
#else NEQN
	effps = EFFPS(ps);
	nrwid(p1, effps, p1);
	printf(".nr 10 %du\n", VERT(max(eht[p1]-ebase[p1]-6*ps,0)));	/* vertical shift if high */
	printf(".if \\n(ct>1 .nr 10 \\n(10+\\s%d.25m\\s0\n", effps);
	printf(".nr %d \\s%d.1m\\s0\n", t, effps);	/* horiz shift if high */
	printf(".if \\n(ct>1 .nr %d \\s%d.15m\\s0\n", t, effps);
#endif NEQN
	switch(type) {
		case VEC:	/* vec */
#ifndef NEQN
			printf(".ds %d \\v'-.4m'\\s%d\\(->\\s0\\v'.4m'\n",
			    c, max(effps-3, 6));
			break;
#endif NEQN
		case DYAD:	/* dyad */
#ifdef NEQN
			printf(".ds %d \\v'-1'_\\v'1'\n", c);
#else NEQN
			printf(".ds %d \\v'-.4m'\\s%d\\z\\(<-\\(->\\s0\\v'.4m'\n",
			    c, max(effps-3, 6));
#endif NEQN
			break;
		case HAT:
			printf(".ds %d ^\n", c);
			break;
		case TILDE:
			printf(".ds %d ~\n", c);
			break;
		case DOT:
#ifndef NEQN
			printf(".ds %d \\s%d\\v'-.67m'.\\v'.67m'\\s0\n", c, effps);
#else NEQN
			printf(".ds %d \\v'-1'.\\v'1'\n", c);
#endif NEQN
			break;
		case DOTDOT:
#ifndef NEQN
			printf(".ds %d \\s%d\\v'-.67m'..\\v'.67m\\s0'\n", c, effps);
#else NEQN
			printf(".ds %d \\v'-1'..\\v'1'\n", c);
#endif NEQN
			break;
		case BAR:
#ifndef NEQN
			printf(".ds %d \\s%d\\v'.18m'\\h'.05m'\\l'\\n(%du-.1m\\(rn'\\h'.05m'\\v'-.18m'\\s0\n",
				c, effps, p1);
#else NEQN
			printf(".ds %d \\v'-1'\\l'\\n(%du'\\v'1'\n", 
				c, p1);
#endif NEQN
			break;
		case UNDER:
#ifndef NEQN
			printf(".ds %d \\l'\\n(%du\\(ul'\n", c, p1);
			printf(".nr %d 0\n", t);
			printf(".nr 10 0-%d\n", ebase[p1]);
#else NEQN
			printf(".ds %d \\l'\\n(%du'\n", c, p1);
#endif NEQN
			break;
		}
	nrwid(c, ps, c);
#ifndef NEQN
	if (lfont[p1] != ITAL)
		printf(".nr %d 0\n", t);
	printf(".as %d \\h'-\\n(%du-\\n(%du/2u+\\n(%du'\\v'0-\\n(10u'\\*(%d", 
		p1, p1, c, t, c);
	printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u-\\n(%du'\n", c, p1, t);
	/* BUG - should go to right end of widest */
#else NEQN
	printf(".as %d \\h'-\\n(%du-\\n(%du/2u'\\v'0-\\n(10u'\\*(%d", 
		p1, p1, c, c);
	printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u'\n", c, p1);
#endif NEQN
#ifndef NEQN
	if (type != UNDER)
		eht[p1] += VERT( (6*ps*15) / 100);	/* 0.15m */
	if(dbg)printf(".\tdiacrit: %c over S%d, lf=%c, rf=%c, h=%d,b=%d\n",
		type, p1, lfont[p1], rfont[p1], eht[p1], ebase[p1]);
#else NEQN
	if (type != UNDER)
		eht[p1] += VERT(1);
	if (dbg) printf(".\tdiacrit: %c over S%d, h=%d, b=%d\n", type, p1, eht[p1], ebase[p1]);
#endif NEQN
	ofree(c); ofree(t);
}
Commit	Line	Data
f6227721	1	#ifndef lint
0f4556f1	2	static char sccsid[] = "@(#)diacrit.c 4.3 8/11/83";
f6227721	3	#endif
b6f488d0 BS	4
	5	# include "e.h"
	6	# include "e.def"
	7
	8	diacrit(p1, type) int p1, type; {
6f1a2a65 BS	9	int c, t;
	10	#ifndef NEQN
	11	int effps;
	12	#endif NEQN
b6f488d0 BS	13
	14	c = oalloc();
	15	t = oalloc();
6f1a2a65 BS	16	#ifdef NEQN
	17	nrwid(p1, ps, p1);
	18	printf(".nr 10 %du\n", max(eht[p1]-ebase[p1]-VERT(2),0));
	19	#else NEQN
b6f488d0 BS	20	effps = EFFPS(ps);
	21	nrwid(p1, effps, p1);
	22	printf(".nr 10 %du\n", VERT(max(eht[p1]-ebase[p1]-6ps,0))); / vertical shift if high */
	23	printf(".if \\n(ct>1 .nr 10 \\n(10+\\s%d.25m\\s0\n", effps);
	24	printf(".nr %d \\s%d.1m\\s0\n", t, effps); /* horiz shift if high */
	25	printf(".if \\n(ct>1 .nr %d \\s%d.15m\\s0\n", t, effps);
6f1a2a65	26	#endif NEQN
b6f488d0	27	switch(type) {
6f1a2a65 BS	28	case VEC: /* vec */
	29	#ifndef NEQN
	30	printf(".ds %d \\v'-.4m'\\s%d\\(->\\s0\\v'.4m'\n",
	31	c, max(effps-3, 6));
b6f488d0	32	break;
6f1a2a65 BS	33	#endif NEQN
	34	case DYAD: /* dyad */
	35	#ifdef NEQN
	36	printf(".ds %d \\v'-1'_\\v'1'\n", c);
	37	#else NEQN
	38	printf(".ds %d \\v'-.4m'\\s%d\\z\\(<-\\(->\\s0\\v'.4m'\n",
	39	c, max(effps-3, 6));
	40	#endif NEQN
b6f488d0 BS	41	break;
	42	case HAT:
	43	printf(".ds %d ^\n", c);
	44	break;
	45	case TILDE:
	46	printf(".ds %d ~\n", c);
	47	break;
	48	case DOT:
6f1a2a65	49	#ifndef NEQN
b6f488d0	50	printf(".ds %d \\s%d\\v'-.67m'.\\v'.67m'\\s0\n", c, effps);
6f1a2a65 BS	51	#else NEQN
	52	printf(".ds %d \\v'-1'.\\v'1'\n", c);
	53	#endif NEQN
b6f488d0 BS	54	break;
b6f488d0 BS	55	case DOTDOT:
6f1a2a65	56	#ifndef NEQN
b6f488d0	57	printf(".ds %d \\s%d\\v'-.67m'..\\v'.67m\\s0'\n", c, effps);
6f1a2a65 BS	58	#else NEQN
	59	printf(".ds %d \\v'-1'..\\v'1'\n", c);
	60	#endif NEQN
b6f488d0 BS	61	break;
b6f488d0 BS	62	case BAR:
6f1a2a65	63	#ifndef NEQN
b6f488d0 BS	64	printf(".ds %d \\s%d\\v'.18m'\\h'.05m'\\l'\\n(%du-.1m\\(rn'\\h'.05m'\\v'-.18m'\\s0\n",
b6f488d0 BS	65	c, effps, p1);
6f1a2a65 BS	66	#else NEQN
	67	printf(".ds %d \\v'-1'\\l'\\n(%du'\\v'1'\n",
	68	c, p1);
	69	#endif NEQN
b6f488d0 BS	70	break;
b6f488d0 BS	71	case UNDER:
6f1a2a65	72	#ifndef NEQN
b6f488d0 BS	73	printf(".ds %d \\l'\\n(%du\\(ul'\n", c, p1);
	74	printf(".nr %d 0\n", t);
	75	printf(".nr 10 0-%d\n", ebase[p1]);
6f1a2a65 BS	76	#else NEQN
	77	printf(".ds %d \\l'\\n(%du'\n", c, p1);
	78	#endif NEQN
b6f488d0 BS	79	break;
	80	}
	81	nrwid(c, ps, c);
6f1a2a65	82	#ifndef NEQN
b6f488d0 BS	83	if (lfont[p1] != ITAL)
	84	printf(".nr %d 0\n", t);
	85	printf(".as %d \\h'-\\n(%du-\\n(%du/2u+\\n(%du'\\v'0-\\n(10u'\\*(%d",
	86	p1, p1, c, t, c);
	87	printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u-\\n(%du'\n", c, p1, t);
	88	/* BUG - should go to right end of widest */
6f1a2a65 BS	89	#else NEQN
	90	printf(".as %d \\h'-\\n(%du-\\n(%du/2u'\\v'0-\\n(10u'\\*(%d",
	91	p1, p1, c, c);
	92	printf("\\v'\\n(10u'\\h'-\\n(%du+\\n(%du/2u'\n", c, p1);
	93	#endif NEQN
	94	#ifndef NEQN
b6f488d0 BS	95	if (type != UNDER)
	96	eht[p1] += VERT( (6ps15) / 100); /* 0.15m */
	97	if(dbg)printf(".\tdiacrit: %c over S%d, lf=%c, rf=%c, h=%d,b=%d\n",
	98	type, p1, lfont[p1], rfont[p1], eht[p1], ebase[p1]);
6f1a2a65 BS	99	#else NEQN
	100	if (type != UNDER)
	101	eht[p1] += VERT(1);
	102	if (dbg) printf(".\tdiacrit: %c over S%d, h=%d, b=%d\n", type, p1, eht[p1], ebase[p1]);
	103	#endif NEQN
b6f488d0 BS	104	ofree(c); ofree(t);
b6f488d0 BS	105	}