Subversion Repositories planix.SVN

#include "e.h"

void sqrt(int p2)
{
        static int af = 0;
        int nps;        /* point size for radical */
        double radscale = 0.95;

        if (ttype == DEVPOST)
                radscale = 1.05;
        nps = ps * radscale * eht[p2] / EM(1.0,ps) + 0.99;      /* kludgy */
        nps = max(EFFPS(nps), ps);
        yyval = p2;
        if (ttype == DEVCAT || ttype == DEVAPS)
                eht[yyval] = EM(1.2, nps);
        else if (ttype == DEVPOST)
                eht[yyval] = EM(1.15, nps);
        else            /* DEV202, DEVPOST */
                eht[yyval] = EM(1.15, nps);
        dprintf(".\tS%d <- sqrt S%d;b=%g, h=%g, nps=%d\n", 
                yyval, p2, ebase[yyval], eht[yyval], nps);
        printf(".as %d \\|\n", yyval);
        nrwid(p2, ps, p2);
        if (af++ == 0)
                printf(".af 10 01\n");  /* make it two digits when it prints */
        printf(".nr 10 %.3fu*\\n(.su/10\n", 9.2*eht[p2]);       /* this nonsense */
                        /* guesses point size corresponding to height of stuff */
        printf(".ds %d \\v'%gm'\\s(\\n(10", yyval, REL(ebase[p2],ps));
        if (ttype == DEVCAT || ttype == DEVAPS)
                printf("\\v'-.2m'\\(sr\\l'\\n(%du\\(rn'\\v'.2m'", p2);
        else            /* DEV202, DEVPOST so far */
                printf("\\(sr\\l'\\n(%du\\(rn'", p2);
        printf("\\s0\\v'%gm'\\h'-\\n(%du'\\^\\*(%d\n", REL(-ebase[p2],ps), p2, p2);
        lfont[yyval] = rfont[yyval] = ROM;
}