Mercurial > hg > Game > Cerium
changeset 1674:614c60736bfd draft
fix fft
| author | Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 22 Jul 2013 18:56:50 +0900 |
| parents | 2c3adce7eb40 |
| children | 07ff7ec2a61b |
| files | example/fft/ppe/bitReverse.cc example/fft/ppe/butterfly.cc example/fft/ppe/norm.cc |
| diffstat | 3 files changed, 3 insertions(+), 9 deletions(-) [+] |
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--- a/example/fft/ppe/bitReverse.cc Thu Jul 18 17:16:43 2013 +0900 +++ b/example/fft/ppe/bitReverse.cc Mon Jul 22 18:56:50 2013 +0900 @@ -20,9 +20,7 @@ unsigned long m = (unsigned long)s->get_param(3); unsigned long n = (unsigned long)s->get_param(4); unsigned int j = gid; - if(nid == 100) { - printf("bitReverse nid=%ld,gid=%ld,n=%ld\n",nid,gid,n); - } + j = (j & 0x55555555) << 1 | (j & 0xAAAAAAAA) >> 1; j = (j & 0x33333333) << 2 | (j & 0xCCCCCCCC) >> 2; j = (j & 0x0F0F0F0F) << 4 | (j & 0xF0F0F0F0) >> 4;
--- a/example/fft/ppe/butterfly.cc Thu Jul 18 17:16:43 2013 +0900 +++ b/example/fft/ppe/butterfly.cc Mon Jul 22 18:56:50 2013 +0900 @@ -34,9 +34,7 @@ int l = butterflyGrpNum * butterflyGrpOffset; cl_float2 xa, xb, xbxx, xbyy, wab, wayx, wbyx, resa, resb; - if(nid == 100) { - printf("butterfly nid=%ld,gid=%ld,n=%ld,iter=%ld\n",nid,gid,n,iter); - } + xa = x_in[a]; xb = x_in[b]; xbxx.x = xbxx.y = xb.x;
--- a/example/fft/ppe/norm.cc Thu Jul 18 17:16:43 2013 +0900 +++ b/example/fft/ppe/norm.cc Mon Jul 22 18:56:50 2013 +0900 @@ -18,9 +18,7 @@ unsigned long nid = s->y; //(unsigned long)s->get_param(1); long n = (long)s->get_param(3); - if(nid == 100) { - printf("norm nid=%ld,gid=%ld,n=%ld\n",nid,gid,n); - } + out_x[nid*n+gid].x = in_x[nid*n+gid].x / (float)n; out_x[nid*n+gid].y = in_x[nid*n+gid].y / (float)n;