harvey/sys/src/cmd/eqn/move.c

/*
 * This file is part of the UCB release of Plan 9. It is subject to the license
 * terms in the LICENSE file found in the top-level directory of this
 * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
 * part of the UCB release of Plan 9, including this file, may be copied,
 * modified, propagated, or distributed except according to the terms contained
 * in the LICENSE file.
 */

# include "e.h"
# include "y.tab.h"

void move(int dir, int amt, int p)
{
	double a;

	yyval = p;
	a = EM(amt/100.0, ps);
	printf(".ds %d ", yyval);
	if (dir == FWD || dir == BACK)
		printf("\\h'%s%gm'\\*(%d\n", (dir==BACK) ? "-" : "", a, p);
	else if (dir == UP)
		printf("\\v'-%gm'\\*(%d\\v'%gm'\n", a, p, a);
	else if (dir == DOWN)
		printf("\\v'%gm'\\*(%d\\v'-%gm'\n", a, p, a);
	dprintf(".\tmove %d dir %d amt %g; h=%g b=%g\n", 
		p, dir, a, eht[yyval], ebase[yyval]);
}