Lines Matching refs:f2k
85 kiss_fft_cpx fpnk,fpk,f1k,f2k,tw,tdc;
126 C_SUB( f2k, fpk , fpnk );
127 C_MUL( tw , f2k , st->super_twiddles[k]);
177 kiss_fft_cpx f2k,tdc;
215 C_SUB( f2k, fpk , fpnk );
217 C_MUL( tw , f2k , st->super_twiddles[k]);
227 f2k.r = PSHR32(SUB32(EXTEND32(st->tmpbuf[k].r), EXTEND32(st->tmpbuf[ncfft-k].r)),1);
228 f2k.i = SHR32(ADD32(EXTEND32(st->tmpbuf[k].i), EXTEND32(st->tmpbuf[ncfft-k].i)),1);
230 C_MUL( tw , f2k , st->super_twiddles[k]);
237 f2k.r = SHR32(SUB32(EXTEND32(st->tmpbuf[k].r), EXTEND32(st->tmpbuf[ncfft-k].r)),1);
238 f2k.i = PSHR32(ADD32(EXTEND32(st->tmpbuf[k].i), EXTEND32(st->tmpbuf[ncfft-k].i)),1);
243 twr = SHR32(SUB32(MULT16_16(f2k.r,st->super_twiddles[k].r),MULT16_16(f2k.i,st->super_twiddles[k].i)), 1);
244 twi = SHR32(ADD32(MULT16_16(f2k.i,st->super_twiddles[k].r),MULT16_16(f2k.r,st->super_twiddles[k].i)), 1);
