| 49 |
|
FILE *fp; |
| 50 |
|
HOLO *hdsect; |
| 51 |
|
int fd; |
| 52 |
< |
int32 nextloc; |
| 53 |
< |
off_t fsiz; |
| 52 |
> |
off_t nextloc, fsiz; |
| 53 |
|
int n; |
| 54 |
|
/* open holodeck file */ |
| 55 |
< |
if ((fp = fopen(fname, "r")) == NULL) { |
| 55 |
> |
if ((fp = fopen(fname, "rb")) == NULL) { |
| 56 |
|
sprintf(errmsg, "cannot open \"%s\"", fname); |
| 57 |
|
error(SYSTEM, errmsg); |
| 58 |
|
} |
| 64 |
|
fd = dup(fileno(fp)); /* dup file handle */ |
| 65 |
|
nextloc = ftell(fp); /* get stdio position */ |
| 66 |
|
fclose(fp); /* done with stdio */ |
| 67 |
< |
for (n = 0; nextloc > 0L; n++) { /* get the section(s) */ |
| 68 |
< |
lseek(fd, (off_t)nextloc, SEEK_SET); |
| 67 |
> |
for (n = 0; nextloc > 0; n++) { /* get the section(s) */ |
| 68 |
> |
lseek(fd, nextloc, SEEK_SET); |
| 69 |
|
read(fd, (char *)&nextloc, sizeof(nextloc)); |
| 70 |
|
fprintf(fout, "Section %d:\n", n); |
| 71 |
|
hdsect = hdinit(fd, NULL); /* load section directory */ |
| 88 |
|
|
| 89 |
|
static void |
| 90 |
|
psectstats( /* print statistical information for section */ |
| 91 |
< |
register HOLO *hp, |
| 91 |
> |
HOLO *hp, |
| 92 |
|
FILE *fp |
| 93 |
|
) |
| 94 |
|
{ |
| 95 |
|
int scount[NHBINS]; |
| 96 |
|
int minsamp = 10000, maxsamp = 0; |
| 97 |
|
FVECT vt; |
| 98 |
< |
double sqrtmaxp; |
| 98 |
> |
double sqrtmaxp, median; |
| 99 |
|
int bmin, bmax, cnt; |
| 100 |
< |
register int i; |
| 100 |
> |
int i; |
| 101 |
|
|
| 102 |
|
fcross(vt, hp->xv[0], hp->xv[1]); |
| 103 |
|
fprintf(fp, "\tWorld volume: %g\n", fabs(DOT(vt,hp->xv[2]))); |
| 119 |
|
for (i = NHBINS; i--; ) |
| 120 |
|
scount[i] = 0; |
| 121 |
|
for (i = nbeams(hp); i > 0; i--) |
| 122 |
< |
scount[(int)(NHBINS*sqrt((double)hp->bi[i].nrd)/sqrtmaxp)]++; |
| 123 |
< |
for (cnt = 0, i = 0; i < NHBINS && cnt<<1 < nbeams(hp); i++) |
| 122 |
> |
scount[(int)((NHBINS-FTINY)*sqrt((double)hp->bi[i].nrd)/sqrtmaxp)]++; |
| 123 |
> |
for (cnt = i = 0; i < NHBINS && cnt<<1 < nbeams(hp); i++) |
| 124 |
|
cnt += scount[i]; |
| 125 |
+ |
median = (i-.5)*(i-.5)*(maxsamp+1)*(1./(NHBINS*NHBINS)); |
| 126 |
+ |
if (median < minsamp) median = minsamp; |
| 127 |
|
fprintf(fp, "\tSamples per beam: [min,med,max]= [%d,%.0f,%d]\n", |
| 128 |
< |
minsamp, |
| 128 |
< |
(i-.5)*(i-.5)*(maxsamp+1)/(NHBINS*NHBINS), |
| 129 |
< |
maxsamp); |
| 128 |
> |
minsamp, median, maxsamp); |
| 129 |
|
fprintf(fp, "\tHistogram: [minsamp,maxsamp)= #beams\n"); |
| 130 |
|
bmax = 0; |
| 131 |
|
for (i = 0; i < NHBINS; i++) { |
| 132 |
|
bmin = bmax; |
| 133 |
< |
bmax = (i+1)*(i+1)*(maxsamp+1)/(NHBINS*NHBINS); |
| 133 |
> |
bmax = (i+1)*(i+1)*(maxsamp+1)*(1./(NHBINS*NHBINS)); |
| 134 |
|
fprintf(fp, "\t\t[%d,%d)= %d\n", bmin, bmax, scount[i]); |
| 135 |
|
} |
| 136 |
|
} |
