35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
#include "e.h"
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void sqrt(int p2)
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{
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static int af = 0;
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int nps; /* point size for radical */
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double radscale = 0.95;
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if (ttype == DEVPOST)
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radscale = 1.05;
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nps = ps * radscale * eht[p2] / EM(1.0,ps) + 0.99; /* kludgy */
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nps = max(EFFPS(nps), ps);
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yyval = p2;
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if (ttype == DEVCAT || ttype == DEVAPS)
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eht[yyval] = EM(1.2, nps);
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else if (ttype == DEVPOST)
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eht[yyval] = EM(1.15, nps);
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else /* DEV202, DEVPOST */
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eht[yyval] = EM(1.15, nps);
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dprintf(".\tS%d <- sqrt S%d;b=%g, h=%g, nps=%d\n",
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yyval, p2, ebase[yyval], eht[yyval], nps);
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printf(".as %d \\|\n", yyval);
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nrwid(p2, ps, p2);
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if (af++ == 0)
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printf(".af 10 01\n"); /* make it two digits when it prints */
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printf(".nr 10 %.3fu*\\n(.su/10\n", 9.2*eht[p2]); /* this nonsense */
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/* guesses point size corresponding to height of stuff */
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printf(".ds %d \\v'%gm'\\s(\\n(10", yyval, REL(ebase[p2],ps));
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if (ttype == DEVCAT || ttype == DEVAPS)
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printf("\\v'-.2m'\\(sr\\l'\\n(%du\\(rn'\\v'.2m'", p2);
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else /* DEV202, DEVPOST so far */
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printf("\\(sr\\l'\\n(%du\\(rn'", p2);
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printf("\\s0\\v'%gm'\\h'-\\n(%du'\\^\\*(%d\n", REL(-ebase[p2],ps), p2, p2);
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lfont[yyval] = rfont[yyval] = ROM;
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}
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