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/* Copyright (c) 1986 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 "calcomp.h" |
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/* bits in argument flag (better be right!) */ |
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#define AFLAGSIZ (8*sizeof(unsigned long)) |
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#define ALISTSIZ 6 /* maximum saved argument list */ |
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typedef struct activation { |
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act.name = fname; |
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act.prev = curact; |
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act.ap = a; |
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act.an = (1L<<n)-1; |
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if (n >= AFLAGSIZ) |
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act.an = ~0; |
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else |
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act.an = (1L<<n)-1; |
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act.fun = NULL; |
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curact = &act; |
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break; |
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libsize++; |
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} |
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lp[0].fname = savestr(fname); |
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lp[0].fname = fname; /* must be static! */ |
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lp[0].nargs = nargs; |
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lp[0].atyp = assign; |
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lp[0].f = fptr; |
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register int n; |
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{ |
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register ACTIVATION *actp = curact; |
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EPNODE *ep; |
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register EPNODE *ep; |
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double aval; |
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if (actp == NULL || --n < 0) { |
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quit(1); |
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} |
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/* already computed? */ |
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if (1L<<n & actp->an) |
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if (n < AFLAGSIZ && 1L<<n & actp->an) |
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return(actp->ap[n]); |
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if (actp->fun == NULL || (ep = ekid(actp->fun, n+1)) == NULL) { |
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} |
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lasterrno = errno; |
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errno = 0; |
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d = (*vp->lib->f)(); |
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d = (*vp->lib->f)(vp->lib->fname); |
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#ifdef IEEE |
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if (!finite(d)) |
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errno = EDOM; |
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#endif |
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if (errno) { |
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wputs(fname); |
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wputs(": bad call\n"); |
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if (errno == EDOM) |
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wputs(": domain error\n"); |
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else if (errno == ERANGE) |
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wputs(": range error\n"); |
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else |
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wputs(": error in call\n"); |
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return(0.0); |
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} |
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errno = lasterrno; |