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/* Copyright (c) 1994 Regents of the University of California */ |
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/* Copyright (c) 1995 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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char **xf_argend; /* end of transform argument list */ |
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static char **xf_argbeg; /* beginning of transform argument list */ |
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static XF_SPEC *new_xf(); |
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static long comp_xfid(); |
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static int put_oname(); |
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int |
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xf_handler(ac, av) /* handle xf entity */ |
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int ac; |
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if (spec->xarr != NULL) { /* check for iteration */ |
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register struct xf_array *ap = spec->xarr; |
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(void)put_oname((struct xf_array *)NULL); |
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(void)xf_aname((struct xf_array *)NULL); |
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n = ap->ndim; |
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while (n--) { |
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if (++ap->aarg[n].i < ap->aarg[n].n) |
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if ((rv = mg_fgoto(&ap->spos)) != MG_OK) |
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return(rv); |
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sprintf(ap->aarg[n].arg, "%d", ap->aarg[n].i); |
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(void)put_oname(ap); |
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} else |
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free((MEM_PTR)ap); |
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(void)xf_aname(ap); |
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} |
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} |
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if (n < 0) { /* pop transform */ |
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xf_context = spec->prev; |
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free((MEM_PTR)spec); |
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free_xf(spec); |
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return(MG_OK); |
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} |
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} else { /* else allocate transform */ |
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if ((spec = new_xf(ac-1, av+1)) == NULL) |
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return(MG_EMEM); |
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if (spec->xarr != NULL) |
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(void)xf_aname(spec->xarr); |
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spec->prev = xf_context; /* push onto stack */ |
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xf_context = spec; |
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} |
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/* translate new specification */ |
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n = xf_ac(spec); |
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if (spec->prev != NULL) /* incremental comp. is more eff. */ |
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n -= xf_ac(spec->prev); |
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n -= xf_ac(spec->prev); /* incremental comp. is more eff. */ |
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if (xf(&spec->xf, n, xf_av(spec)) != n) |
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return(MG_ETYPE); |
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/* check for vertex reversal */ |
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} |
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static XF_SPEC * |
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XF_SPEC * |
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new_xf(ac, av) /* allocate new transform structure */ |
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int ac; |
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char **av; |
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xf_av(spec)[i] = strcpy(cp, av[i]); |
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cp += strlen(av[i]) + 1; |
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} |
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if (spec->xarr != NULL) |
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(void)put_oname(spec->xarr); |
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return(spec); |
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} |
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static int |
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put_oname(ap) /* put out name for this instance */ |
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void |
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free_xf(spec) /* free a transform */ |
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register XF_SPEC *spec; |
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{ |
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if (spec->xarr != NULL) |
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free((MEM_PTR)spec->xarr); |
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free((MEM_PTR)spec); |
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} |
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int |
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xf_aname(ap) /* put out name for this instance */ |
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register struct xf_array *ap; |
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{ |
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static char oname[10*XF_MAXDIM]; |
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} |
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static long |
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long |
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comp_xfid(xfm) /* compute unique ID from matrix */ |
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register MAT4 xfm; |
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{ |
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} |
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while ((spec = xf_context) != NULL) { |
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xf_context = spec->prev; |
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if (spec->xarr != NULL) |
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free((MEM_PTR)spec->xarr); |
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free((MEM_PTR)spec); |
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free_xf(spec); |
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} |
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} |
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