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#include "e.h"
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#include <ctype.h>
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void setsize(char *p)	/* set size as found in p */
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{
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	nszstack++;
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	szstack[nszstack] = 0;		/* assume relative */
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	if (*p == '+') {
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		ps += atoi(p+1);
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		if (szstack[nszstack-1] != 0)	/* propagate absolute size */
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			szstack[nszstack] = ps;
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	} else if (*p == '-') {
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		ps -= atoi(p+1);
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		if (szstack[nszstack-1] != 0)
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			szstack[nszstack] = ps;
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	} else if (isdigit(*p)) {
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		if (szstack[nszstack-1] == 0)
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			printf(".nr %d \\n(.s\n", 99-nszstack);
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		else
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			printf(".nr %d %d\n", 99-nszstack, ps);
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		szstack[nszstack] = ps = atoi(p);
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	} else {
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		ERROR "illegal size %s ignored", p WARNING;
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	}
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	dprintf(".\tsetsize %s; ps = %d\n", p, ps);
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}
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void size(int p1, int p2)
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{
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		/* old size in p1, new in ps */
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	yyval = p2;
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	dprintf(".\tS%d <- \\s%d %d \\s%d; b=%g, h=%g\n",
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		yyval, ps, p2, p1, ebase[yyval], eht[yyval]);
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	if (szstack[nszstack] != 0) {
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		printf(".ds %d %s\\*(%d\\s\\n(%d\n", yyval, ABSPS(ps), p2, 99-nszstack);
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	} else
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		printf(".ds %d %s\\*(%d%s\n", yyval, DPS(p1,ps), p2, DPS(ps,p1));
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	nszstack--;
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	ps = p1;
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}
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void globsize(void)
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{
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	char temp[20];
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	getstr(temp, sizeof(temp));
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	if (temp[0] == '+') {
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		gsize += atoi(temp+1);
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		if (szstack[0] != 0)
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			szstack[0] = gsize;
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	} else if (temp[0] == '-') {
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		gsize -= atoi(temp+1);
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		if (szstack[0] != 0)
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			szstack[0] = gsize;
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	} else  if (isdigit(temp[0])) {
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		gsize = atoi(temp);
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		szstack[0] = gsize;
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		printf(".nr 99 \\n(.s\n");
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	} else {
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		ERROR "illegal gsize %s ignored", temp WARNING;
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	}
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	yyval = eqnreg = 0;
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	ps = gsize;
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	if (gsize < 12 && !dps_set)		/* sub and sup size change */
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		deltaps = gsize / 3;
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	else if (gsize < 20)
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		deltaps = gsize / 4;
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	else
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		deltaps = gsize / 5;
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}