| 760 |
|
int |
| 761 |
|
getinp(char *buf, FILE *fp) |
| 762 |
|
{ |
| 763 |
+ |
double dv[3]; |
| 764 |
+ |
float fv[3]; |
| 765 |
|
char *cp; |
| 766 |
|
int i; |
| 767 |
|
|
| 770 |
|
cp = buf; /* make sure we get 6 floats */ |
| 771 |
|
for (i = 0; i < 6; i++) { |
| 772 |
|
if (fgetword(cp, buf+127-cp, fp) == NULL) |
| 773 |
< |
return 0; |
| 773 |
> |
return -1; |
| 774 |
> |
if (i >= 3) |
| 775 |
> |
dv[i-3] = atof(cp); |
| 776 |
|
if ((cp = fskip(cp)) == NULL || *cp) |
| 777 |
< |
return 0; |
| 777 |
> |
return -1; |
| 778 |
|
*cp++ = ' '; |
| 779 |
|
} |
| 780 |
|
getc(fp); /* get/put eol */ |
| 781 |
|
*cp-- = '\0'; *cp = '\n'; |
| 782 |
+ |
if (DOT(dv,dv) <= FTINY*FTINY) |
| 783 |
+ |
return 0; /* dummy ray */ |
| 784 |
|
return strlen(buf); |
| 785 |
|
case 'f': |
| 786 |
|
if (fread(buf, sizeof(float), 6, fp) < 6) |
| 787 |
< |
return 0; |
| 787 |
> |
return -1; |
| 788 |
> |
memcpy(fv, buf+3*sizeof(float), 3*sizeof(float)); |
| 789 |
> |
if (DOT(fv,fv) <= FTINY*FTINY) |
| 790 |
> |
return 0; /* dummy ray */ |
| 791 |
|
return sizeof(float)*6; |
| 792 |
|
case 'd': |
| 793 |
|
if (fread(buf, sizeof(double), 6, fp) < 6) |
| 794 |
< |
return 0; |
| 794 |
> |
return -1; |
| 795 |
> |
memcpy(dv, buf+3*sizeof(double), 3*sizeof(double)); |
| 796 |
> |
if (DOT(dv,dv) <= FTINY*FTINY) |
| 797 |
> |
return 0; /* dummy ray */ |
| 798 |
|
return sizeof(double)*6; |
| 799 |
|
} |
| 800 |
|
error(INTERNAL, "botched input format"); |
| 801 |
< |
return 0; /* pro forma return */ |
| 801 |
> |
return -1; /* pro forma return */ |
| 802 |
|
} |
| 803 |
|
|
| 804 |
|
static float rparams[9]; /* traced ray parameters */ |
| 972 |
|
} |
| 973 |
|
done_contrib(); /* sum up contributions & output */ |
| 974 |
|
lastdone = rtp->raynum; |
| 975 |
< |
free(rtp->buf); /* free up buffer space */ |
| 975 |
> |
if (rtp->buf != NULL) /* free up buffer space */ |
| 976 |
> |
free(rtp->buf); |
| 977 |
|
rt_unproc = rtp->next; |
| 978 |
|
free(rtp); /* done with this ray tree */ |
| 979 |
|
} |
| 1061 |
|
int iblen; |
| 1062 |
|
struct rtproc *rtp; |
| 1063 |
|
/* loop over input */ |
| 1064 |
< |
while ((iblen = getinp(inpbuf, fin)) > 0) { |
| 1065 |
< |
if (lastray+1 < lastray || /* need reset? */ |
| 1066 |
< |
queue_length() > 10*nrtprocs()) { |
| 1064 |
> |
while ((iblen = getinp(inpbuf, fin)) >= 0) { |
| 1065 |
> |
if (!iblen || /* need reset? */ |
| 1066 |
> |
queue_length() > 10*nrtprocs() || |
| 1067 |
> |
lastray+1 < lastray) { |
| 1068 |
|
while (wait_rproc() != NULL) |
| 1069 |
|
process_queue(); |
| 1070 |
|
if (lastray+1 < lastray) |
| 1071 |
|
lastdone = lastray = 0; |
| 1072 |
|
} |
| 1073 |
|
rtp = get_rproc(); /* get avail. rtrace process */ |
| 1074 |
< |
rtp->raynum = ++lastray; /* assign ray to it */ |
| 1075 |
< |
writebuf(rtp->pd.w, inpbuf, iblen); |
| 1074 |
> |
rtp->raynum = ++lastray; /* assign ray */ |
| 1075 |
> |
if (iblen) { /* trace ray if valid */ |
| 1076 |
> |
writebuf(rtp->pd.w, inpbuf, iblen); |
| 1077 |
> |
} else { /* else bypass dummy ray */ |
| 1078 |
> |
queue_raytree(rtp); /* empty tree */ |
| 1079 |
> |
if ((yres <= 0) & (waitflush > 0)) |
| 1080 |
> |
waitflush = 1; /* flush after this */ |
| 1081 |
> |
} |
| 1082 |
|
if (raysleft && !--raysleft) |
| 1083 |
|
break; |
| 1084 |
|
process_queue(); /* catch up with results */ |
| 1239 |
|
lu_doall(&ofiletab, myseeko, &nvals); |
| 1240 |
|
/* skip repeated input */ |
| 1241 |
|
for (nvals = 0; nvals < lastout; nvals++) |
| 1242 |
< |
if (getinp(oname, fin) <= 0) |
| 1242 |
> |
if (getinp(oname, fin) < 0) |
| 1243 |
|
error(USER, "unexpected EOF on input"); |
| 1244 |
|
lastray = lastdone = (unsigned long)lastout; |
| 1245 |
|
if (raysleft) |
