Searched refs:nfft (Results 1 – 6 of 6) sorted by relevance
| /external/speex/libspeex/ |
| D | kiss_fftr.c | 32 kiss_fftr_cfg kiss_fftr_alloc(int nfft,int inverse_fft,void * mem,size_t * lenmem) in kiss_fftr_alloc() argument
38 if (nfft & 1) { in kiss_fftr_alloc()
42 nfft >>= 1; in kiss_fftr_alloc()
44 kiss_fft_alloc (nfft, inverse_fft, NULL, &subsize); in kiss_fftr_alloc()
45 memneeded = sizeof(struct kiss_fftr_state) + subsize + sizeof(kiss_fft_cpx) * ( nfft * 2); in kiss_fftr_alloc()
59 st->super_twiddles = st->tmpbuf + nfft; in kiss_fftr_alloc()
60 kiss_fft_alloc(nfft, inverse_fft, st->substate, &subsize); in kiss_fftr_alloc()
63 for (i=0;i<nfft;++i) { in kiss_fftr_alloc()
64 spx_word32_t phase = i+(nfft>>1); in kiss_fftr_alloc()
67 kf_cexp2(st->super_twiddles+i, DIV32(SHL32(phase,16),nfft)); in kiss_fftr_alloc()
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| D | kiss_fft.c | 290 int Norig = st->nfft; in kf_bfly_generic()
464 kiss_fft_cfg kiss_fft_alloc(int nfft,int inverse_fft,void * mem,size_t * lenmem ) in kiss_fft_alloc() argument
468 + sizeof(kiss_fft_cpx)*(nfft-1); /* twiddle factors*/ in kiss_fft_alloc()
479 st->nfft=nfft; in kiss_fft_alloc()
482 for (i=0;i<nfft;++i) { in kiss_fft_alloc()
486 kf_cexp2(st->twiddles+i, DIV32(SHL32(phase,17),nfft)); in kiss_fft_alloc()
489 for (i=0;i<nfft;++i) { in kiss_fft_alloc()
491 double phase = ( -2*pi /nfft ) * i; in kiss_fft_alloc()
497 kf_factor(nfft,st->factors); in kiss_fft_alloc()
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| D | kiss_fftr.h | 21 kiss_fftr_cfg kiss_fftr_alloc(int nfft,int inverse_fft,void * mem, size_t * lenmem);
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| D | kiss_fft.h | 74 kiss_fft_cfg kiss_fft_alloc(int nfft,int inverse_fft,void * mem,size_t * lenmem);
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| D | _kiss_fft_guts.h | 32 int nfft; member
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| /external/llvm/test/CodeGen/X86/ |
| D | 2007-11-30-LoadFolding-Bug.ll | 7 …qrt(i32 %n, i32 %radix, i32* %in, i32* %out, i32* %tmp1, i32* %tmp2, i32 %nfft, double* %tmp1fft, …
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