291 |
|
error(WARNING, "binary data past end of expected input"); |
292 |
|
} |
293 |
|
|
294 |
+ |
/* Enforce reciprocity by averaging data values */ |
295 |
+ |
static void |
296 |
+ |
do_reciprocity() |
297 |
+ |
{ |
298 |
+ |
float *v1p, *v2p; |
299 |
+ |
|
300 |
+ |
if (ttrank == 3) { |
301 |
+ |
int ix, ox, oy; |
302 |
+ |
for (ix = 0; ix < 1<<(log2g-1); ix++) |
303 |
+ |
for (ox = 0; ox < 1<<log2g; ox++) |
304 |
+ |
for (oy = 0; oy < 1<<(log2g-1); oy++) { |
305 |
+ |
v1p = &dval3(ix,ox,oy); |
306 |
+ |
v2p = &dval3(ix,ox,(1<<log2g)-1-oy); |
307 |
+ |
*v1p = *v2p = .5f*( *v1p + *v2p ); |
308 |
+ |
} |
309 |
+ |
} else /* ttrank == 4 */ { |
310 |
+ |
int ix, iy, ox, oy; |
311 |
+ |
for (ix = 1; ix < 1<<log2g; ix++) |
312 |
+ |
for (iy = 1; iy < 1<<log2g; iy++) |
313 |
+ |
for (ox = 0; ox < ix; ox++) |
314 |
+ |
for (oy = 0; oy < iy; oy++) { |
315 |
+ |
v1p = &dval4(ix,iy,ox,oy); |
316 |
+ |
v2p = &dval4(ox,oy,ix,iy); |
317 |
+ |
*v1p = *v2p = .5f*( *v1p + *v2p ); |
318 |
+ |
} |
319 |
+ |
} |
320 |
+ |
} |
321 |
+ |
|
322 |
|
/* Load BSDF array, coalesce uniform regions and format as tensor tree */ |
323 |
|
int |
324 |
|
main(int argc, char *argv[]) |
325 |
|
{ |
326 |
|
int doheader = 1; |
327 |
+ |
int recipavg = 0; |
328 |
|
int bmin[4]; |
329 |
|
TNODE gtree; |
330 |
|
int i; |
331 |
|
/* get options and parameters */ |
332 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) |
333 |
|
switch (argv[i][1]) { |
334 |
+ |
case 'a': |
335 |
+ |
recipavg = !recipavg; |
336 |
+ |
break; |
337 |
|
case 'h': |
338 |
|
doheader = !doheader; |
339 |
|
break; |
370 |
|
if (infmt != 'a') |
371 |
|
SET_FILE_BINARY(stdin); |
372 |
|
load_data(); |
373 |
+ |
if (recipavg) |
374 |
+ |
do_reciprocity(); |
375 |
|
if (doheader) { |
376 |
|
for (i = 0; i < argc; i++) { |
377 |
|
fputs(argv[i], stdout); |