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Annotation of researchv10no/cmd/eqn/sqrt.c, revision 1.1

1.1     ! root        1: #include "e.h"
        !             2: 
        !             3: void sqrt(int p2)
        !             4: {
        !             5:        static int af = 0;
        !             6:        int nps;        /* point size for radical */
        !             7:        double radscale = 0.95;
        !             8: 
        !             9:        if (ttype == DEVPOST)
        !            10:                radscale = 1.05;
        !            11:        nps = ps * radscale * eht[p2] / EM(1.0,ps) + 0.99;      /* kludgy */
        !            12:        nps = max(EFFPS(nps), ps);
        !            13:        yyval = p2;
        !            14:        if (ttype == DEVCAT || ttype == DEVAPS)
        !            15:                eht[yyval] = EM(1.2, nps);
        !            16:        else if (ttype == DEVPOST)
        !            17:                eht[yyval] = EM(1.15, nps);
        !            18:        else            /* DEV202, DEVPOST */
        !            19:                eht[yyval] = EM(1.15, nps);
        !            20:        dprintf(".\tS%d <- sqrt S%d;b=%g, h=%g, nps=%d\n", 
        !            21:                yyval, p2, ebase[yyval], eht[yyval], nps);
        !            22:        printf(".as %d \\|\n", yyval);
        !            23:        nrwid(p2, ps, p2);
        !            24:        if (af++ == 0)
        !            25:                printf(".af 10 01\n");  /* make it two digits when it prints */
        !            26:        printf(".nr 10 %.3fu*\\n(.su/10\n", 9.2*eht[p2]);       /* this nonsense */
        !            27:                        /* guesses point size corresponding to height of stuff */
        !            28:        printf(".ds %d \\v'%gm'\\s(\\n(10", yyval, REL(ebase[p2],ps));
        !            29:        if (ttype == DEVCAT || ttype == DEVAPS)
        !            30:                printf("\\v'-.2m'\\(sr\\l'\\n(%du\\(rn'\\v'.2m'", p2);
        !            31:        else            /* DEV202, DEVPOST so far */
        !            32:                printf("\\(sr\\l'\\n(%du\\(rn'", p2);
        !            33:        printf("\\s0\\v'%gm'\\h'-\\n(%du'\\^\\*(%d\n", REL(-ebase[p2],ps), p2, p2);
        !            34:        lfont[yyval] = rfont[yyval] = ROM;
        !            35: }

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