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Mark Borgerding 2008-03-19 19:32:52 +00:00
parent fafecb8e5e
commit 48cbba0c55
1 changed files with 5 additions and 0 deletions
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kiss_fft.c
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@ -269,6 +269,10 @@ void kf_work(
}while(++Fout != Fout_end );
}else{
do{
// recursive call:
// DFT of size m*p performed by doing
// p instances of smaller DFTs of size m,
// each one takes a decimated version of the input
kf_work( Fout , f, fstride*p, in_stride, factors,st);
f += fstride*in_stride;
}while( (Fout += m) != Fout_end );
@ -276,6 +280,7 @@ void kf_work(
Fout=Fout_beg;
// recombine the p smaller DFTs
switch (p) {
case 2: kf_bfly2(Fout,fstride,st,m); break;
case 3: kf_bfly3(Fout,fstride,st,m); break;