Lines Matching refs:fft_size_2
232 int fft_nbits, fft_size, fft_size_2;
271 fft_size_2 = fft_size >> 1;
347 tab1[fft_size_2].im = 0;
348 for (i = 1; i < fft_size_2; i++) {
349 tab1[fft_size_2+i].re = tab1[fft_size_2-i].re;
350 tab1[fft_size_2+i].im = -tab1[fft_size_2-i].im;
354 tab2[1] = tab1[fft_size_2].re;
370 tab_ref[0].im = tab_ref[fft_size_2].re;