295 |
|
static void |
296 |
|
do_reciprocity() |
297 |
|
{ |
298 |
< |
float *v1p, *v2p; |
298 |
> |
const int siz = 1<<log2g; |
299 |
> |
float *v1p, *v2p; |
300 |
|
|
301 |
|
if (ttrank == 3) { |
302 |
|
int ix, ox, oy; |
303 |
< |
for (ix = 0; ix < 1<<(log2g-1); ix++) |
304 |
< |
for (ox = 0; ox < 1<<log2g; ox++) |
305 |
< |
for (oy = 0; oy < 1<<(log2g-1); oy++) { |
303 |
> |
for (ix = 0; ix < siz>>1; ix++) |
304 |
> |
for (ox = 0; ox < siz; ox++) |
305 |
> |
for (oy = 0; oy < siz>>1; oy++) { |
306 |
|
v1p = &dval3(ix,ox,oy); |
307 |
< |
v2p = &dval3(ix,ox,(1<<log2g)-1-oy); |
307 |
> |
v2p = &dval3(ix,ox,siz-1-oy); |
308 |
|
*v1p = *v2p = .5f*( *v1p + *v2p ); |
309 |
|
} |
310 |
|
} else /* ttrank == 4 */ { |
311 |
|
int ix, iy, ox, oy; |
312 |
< |
for (ix = 1; ix < 1<<log2g; ix++) |
313 |
< |
for (iy = 1; iy < 1<<log2g; iy++) |
312 |
> |
for (ix = 1; ix < siz; ix++) |
313 |
> |
for (iy = 1; iy < siz; iy++) |
314 |
|
for (ox = 0; ox < ix; ox++) |
315 |
|
for (oy = 0; oy < iy; oy++) { |
316 |
< |
v1p = &dval4(ix,iy,ox,oy); |
317 |
< |
v2p = &dval4(ox,oy,ix,iy); |
316 |
> |
v1p = &dval4(siz-1-ix,siz-1-iy,ox,oy); |
317 |
> |
v2p = &dval4(siz-1-ox,siz-1-oy,ix,iy); |
318 |
|
*v1p = *v2p = .5f*( *v1p + *v2p ); |
319 |
|
} |
320 |
|
} |
364 |
|
if (i < argc-1) |
365 |
|
goto userr; |
366 |
|
/* load input data */ |
367 |
< |
if (i == argc-1 && freopen(argv[i], "rb", stdin) == NULL) { |
367 |
> |
if (i == argc-1 && freopen(argv[i], "r", stdin) == NULL) { |
368 |
|
sprintf(errmsg, "cannot open input file '%s'", argv[i]); |
369 |
|
error(SYSTEM, errmsg); |
370 |
|
} |
371 |
|
if (infmt != 'a') |
372 |
|
SET_FILE_BINARY(stdin); |
373 |
+ |
#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
374 |
+ |
flockfile(stdin); |
375 |
+ |
#endif |
376 |
|
load_data(); |
377 |
|
if (recipavg) |
378 |
|
do_reciprocity(); |