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/* Copyright (c) 1988 Regents of the University of California */ |
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/* Copyright (c) 1991 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#include "data.h" |
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#include "func.h" |
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/* |
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* A stored mixture is specified: |
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* |
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register OBJREC *m; |
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RAY *r; |
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{ |
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extern double varvalue(), funvalue(), datavalue(); |
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extern int errno; |
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register int i; |
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double coef; |
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double pt[MAXDIM]; |
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DATARRAY *dp; |
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OBJECT mod[2]; |
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register char **sa; |
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register MFUNC *mf; |
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register int i; |
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setfunc(m, r); |
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sa = m->oargs.sarg; |
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if (m->oargs.nsargs < 6) |
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objerror(m, USER, "bad # arguments"); |
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for (i = 0; i < 2; i++) |
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if (!strcmp(sa[i], VOIDID)) |
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if (!strcmp(m->oargs.sarg[i], VOIDID)) |
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mod[i] = OVOID; |
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else if ((mod[i] = modifier(sa[i])) == OVOID) { |
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sprintf(errmsg, "undefined modifier \"%s\"", sa[i]); |
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else if ((mod[i] = modifier(m->oargs.sarg[i])) == OVOID) { |
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sprintf(errmsg, "undefined modifier \"%s\"", |
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m->oargs.sarg[i]); |
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objerror(m, USER, errmsg); |
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} |
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funcfile(sa[4]); |
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for (i = 0; i+5 < m->oargs.nsargs && |
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sa[i+5][0] != '-'; i++) { |
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if (i >= MAXDIM) |
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objerror(m, USER, "dimension error"); |
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errno = 0; |
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pt[i] = varvalue(sa[i+5]); |
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dp = getdata(m->oargs.sarg[3]); |
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i = (1 << dp->nd) - 1; |
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mf = getfunc(m, 4, i<<5, 0); |
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setfunc(m, r); |
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errno = 0; |
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for (i = 0; i < dp->nd; i++) { |
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pt[i] = evalue(mf->ep[i]); |
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if (errno) |
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goto computerr; |
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} |
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dp = getdata(sa[3]); |
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if (dp->nd != i) |
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objerror(m, USER, "dimension error"); |
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coef = datavalue(dp, pt); |
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errno = 0; |
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coef = funvalue(sa[2], 1, &coef); |
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coef = funvalue(m->oargs.sarg[2], 1, &coef); |
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if (errno) |
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goto computerr; |
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raymixture(r, mod[0], mod[1], coef); |
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return; |
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computerr: |
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objerror(m, WARNING, "compute error"); |
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} |
