xref: /onnv-gate/usr/src/cmd/eqn/size.c (revision 364:f36290b8cb0b)
1*364Sceastha /*
2*364Sceastha  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
3*364Sceastha  * Use is subject to license terms.
4*364Sceastha  */
5*364Sceastha 
60Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
70Sstevel@tonic-gate /*	  All Rights Reserved  	*/
80Sstevel@tonic-gate 
90Sstevel@tonic-gate /*
100Sstevel@tonic-gate  * Copyright (c) 1980 Regents of the University of California.
110Sstevel@tonic-gate  * All rights reserved. The Berkeley software License Agreement
120Sstevel@tonic-gate  * specifies the terms and conditions for redistribution.
130Sstevel@tonic-gate  */
14*364Sceastha 
15*364Sceastha #pragma ident	"%Z%%M%	%I%	%E% SMI"
160Sstevel@tonic-gate 
17*364Sceastha #include "e.h"
180Sstevel@tonic-gate 
19*364Sceastha void
setsize(char * p)20*364Sceastha setsize(char *p)	/* set size as found in p */
210Sstevel@tonic-gate {
220Sstevel@tonic-gate 	if (*p == '+')
230Sstevel@tonic-gate 		ps += atoi(p+1);
240Sstevel@tonic-gate 	else if (*p == '-')
250Sstevel@tonic-gate 		ps -= atoi(p+1);
260Sstevel@tonic-gate 	else
270Sstevel@tonic-gate 		ps = atoi(p);
28*364Sceastha 	if (dbg) printf(".\tsetsize %s; ps = %d\n", p, ps);
290Sstevel@tonic-gate }
300Sstevel@tonic-gate 
31*364Sceastha void
size(int p1,int p2)32*364Sceastha size(int p1, int p2)
33*364Sceastha {
34*364Sceastha 	/* old size in p1, new in ps */
35*364Sceastha 
360Sstevel@tonic-gate 	int effps, effp1;
370Sstevel@tonic-gate 
380Sstevel@tonic-gate 	yyval = p2;
39*364Sceastha 	if (dbg)
40*364Sceastha 		printf(".\tb:sb: S%d <- \\s%d S%d \\s%d; b=%d, h=%d\n",
41*364Sceastha 		    yyval, ps, p2, p1, ebase[yyval], eht[yyval]);
420Sstevel@tonic-gate 	effps = EFFPS(ps);
430Sstevel@tonic-gate 	effp1 = EFFPS(p1);
44*364Sceastha 	printf(".ds %d \\s%d\\*(%d\\s%d\n", yyval, effps, p2, effp1);
450Sstevel@tonic-gate 	ps = p1;
460Sstevel@tonic-gate }
470Sstevel@tonic-gate 
48*364Sceastha void
globsize(void)49*364Sceastha globsize(void)
50*364Sceastha {
510Sstevel@tonic-gate 	char temp[20];
520Sstevel@tonic-gate 
530Sstevel@tonic-gate 	getstr(temp, 20);
540Sstevel@tonic-gate 	if (temp[0] == '+')
550Sstevel@tonic-gate 		gsize += atoi(temp+1);
560Sstevel@tonic-gate 	else if (temp[0] == '-')
570Sstevel@tonic-gate 		gsize -= atoi(temp+1);
580Sstevel@tonic-gate 	else
590Sstevel@tonic-gate 		gsize = atoi(temp);
600Sstevel@tonic-gate 	yyval = eqnreg = 0;
610Sstevel@tonic-gate 	setps(gsize);
620Sstevel@tonic-gate 	ps = gsize;
630Sstevel@tonic-gate 	if (gsize >= 12)	/* sub and sup size change */
640Sstevel@tonic-gate 		deltaps = gsize / 4;
650Sstevel@tonic-gate 	else
660Sstevel@tonic-gate 		deltaps = gsize / 3;
670Sstevel@tonic-gate }
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