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1 # include "e.h"2 # include "y.tab.h"4 void move(int dir, int amt, int p)5 {6 double a;8 yyval = p;9 a = EM(amt/100.0, ps);10 printf(".ds %d ", yyval);11 if (dir == FWD || dir == BACK)12 printf("\\h'%s%gm'\\*(%d\n", (dir==BACK) ? "-" : "", a, p);13 else if (dir == UP)14 printf("\\v'-%gm'\\*(%d\\v'%gm'\n", a, p, a);15 else if (dir == DOWN)16 printf("\\v'%gm'\\*(%d\\v'-%gm'\n", a, p, a);17 dprintf(".\tmove %d dir %d amt %g; h=%g b=%g\n",18 p, dir, a, eht[yyval], ebase[yyval]);19 }