Mercurial > hg > peckfft
diff peck_fft.c @ 5:c7237a7544eb
cleanup
| author | Peter Meerwald <p.meerwald@bct-electronic.com> |
|---|---|
| date | Fri, 16 Sep 2011 15:08:29 +0200 |
| parents | 2d6c49fcafcb |
| children | fee54f1878f7 |
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--- a/peck_fft.c Fri Sep 16 14:04:19 2011 +0200 +++ b/peck_fft.c Fri Sep 16 15:08:29 2011 +0200 @@ -19,15 +19,15 @@ */ static void kf_bfly2( - peck_fft_cpx * Fout, + peck_fft_cpx *Fout, const size_t fstride, const peck_fft_cfg st, int m) { //printf("kf_bfly2\n"); - peck_fft_cpx * Fout2; - peck_fft_cpx * tw1 = st->twiddles; + peck_fft_cpx *Fout2; + peck_fft_cpx *tw1 = st->twiddles; peck_fft_cpx t; Fout2 = Fout + m; do { @@ -109,7 +109,7 @@ printf("kf_bfly3\n"); - tw1=tw2=st->twiddles; + tw1 = tw2 = st->twiddles; do { C_FIXDIV(*Fout,3); C_FIXDIV(Fout[m],3); C_FIXDIV(Fout[m2],3); @@ -156,11 +156,11 @@ printf("kf_bfly5\n"); - Fout0=Fout; - Fout1=Fout0+m; - Fout2=Fout0+2*m; - Fout3=Fout0+3*m; - Fout4=Fout0+4*m; + Fout0 = Fout; + Fout1 = Fout0 + m; + Fout2 = Fout0 + 2*m; + Fout3 = Fout0 + 3*m; + Fout4 = Fout0 + 4*m; tw=st->twiddles; for (u = 0; u < m; ++u) { @@ -248,6 +248,7 @@ const size_t fstride, int *factors, const peck_fft_cfg st) { + peck_fft_cpx *Fout_beg = Fout; const int p = *factors++; /* the radix */ const int m = *factors++; /* stage's FFT length / p */ @@ -271,7 +272,7 @@ } while ((Fout += m) != Fout_end); } - Fout=Fout_beg; + Fout = Fout_beg; // recombine the p smaller DFTs switch (p) {