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Searched refs:fft (Results 1 – 25 of 39) sorted by relevance

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/external/eigen/unsupported/test/
Dcxx11_tensor_ifft.cpp22 array<int, 1> fft; in test_1D_fft_ifft_invariant() local
23 fft[0] = 0; in test_1D_fft_ifft_invariant()
28 tensor_after_fft = tensor.template fft<Eigen::BothParts, Eigen::FFT_FORWARD>(fft); in test_1D_fft_ifft_invariant()
29 tensor_after_fft_ifft = tensor_after_fft.template fft<Eigen::BothParts, Eigen::FFT_REVERSE>(fft); in test_1D_fft_ifft_invariant()
44 array<int, 2> fft; in test_2D_fft_ifft_invariant() local
45 fft[0] = 0; in test_2D_fft_ifft_invariant()
46 fft[1] = 1; in test_2D_fft_ifft_invariant()
51 tensor_after_fft = tensor.template fft<Eigen::BothParts, Eigen::FFT_FORWARD>(fft); in test_2D_fft_ifft_invariant()
52 tensor_after_fft_ifft = tensor_after_fft.template fft<Eigen::BothParts, Eigen::FFT_REVERSE>(fft); in test_2D_fft_ifft_invariant()
72 array<int, 3> fft; in test_3D_fft_ifft_invariant() local
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Dcxx11_tensor_fft.cpp25 array<ptrdiff_t, 2> fft; in test_fft_2D_golden() local
26 fft[0] = 0; in test_fft_2D_golden()
27 fft[1] = 1; in test_fft_2D_golden()
29 …omplex<float>, 2, DataLayout> output = input.template fft<Eigen::BothParts, Eigen::FFT_FORWARD>(ff… in test_fft_2D_golden()
67 array<ptrdiff_t, 1> fft; in test_fft_complex_input_golden() local
68 fft[0] = 0; in test_fft_complex_input_golden()
70 …d::complex<float>, 1, ColMajor> forward_output_both_parts = input.fft<BothParts, FFT_FORWARD>(fft); in test_fft_complex_input_golden()
71 …d::complex<float>, 1, ColMajor> reverse_output_both_parts = input.fft<BothParts, FFT_REVERSE>(fft); in test_fft_complex_input_golden()
73 Tensor<float, 1, ColMajor> forward_output_real_part = input.fft<RealPart, FFT_FORWARD>(fft); in test_fft_complex_input_golden()
74 Tensor<float, 1, ColMajor> reverse_output_real_part = input.fft<RealPart, FFT_REVERSE>(fft); in test_fft_complex_input_golden()
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DFFTW.cpp85 FFT<T> fft; in test_scalar_generic() local
93 fft.SetFlag(fft.HalfSpectrum ); in test_scalar_generic()
94 fft.fwd( freqBuf,tbuf); in test_scalar_generic()
98 fft.ClearFlag(fft.HalfSpectrum ); in test_scalar_generic()
99 fft.fwd( freqBuf,tbuf); in test_scalar_generic()
107 fft.inv( tbuf2 , freqBuf); in test_scalar_generic()
113 fft.SetFlag(fft.Unscaled); in test_scalar_generic()
115 fft.inv( tbuf3 , freqBuf); in test_scalar_generic()
127 fft.ClearFlag(fft.Unscaled); in test_scalar_generic()
128 fft.inv( tbuf2 , freqBuf); in test_scalar_generic()
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/external/webrtc/webrtc/common_audio/signal_processing/
Dreal_fft_unittest.cc45 RealFFT* fft = WebRtcSpl_CreateRealFFT(11); in TEST_F() local
46 EXPECT_TRUE(fft == NULL); in TEST_F()
47 fft = WebRtcSpl_CreateRealFFT(-1); in TEST_F()
48 EXPECT_TRUE(fft == NULL); in TEST_F()
67 RealFFT* fft = WebRtcSpl_CreateRealFFT(kOrder); in TEST_F() local
68 EXPECT_TRUE(fft != NULL); in TEST_F()
69 EXPECT_EQ(0, WebRtcSpl_RealForwardFFT(fft, real_fft_time, real_fft_freq)); in TEST_F()
88 int real_scale = WebRtcSpl_RealInverseFFT(fft, real_fft_freq, real_fft_time); in TEST_F()
103 WebRtcSpl_FreeRealFFT(fft); in TEST_F()
/external/aac/libFDK/src/
DFDK_hybrid.cpp502 FIXP_DBL fft[8]; in fourChannelFiltering() local
525 …fft[FFT_IDX_R(0)] = ( fMult(p[10], ( fMultSub(fMultDiv2(cr[ 2], pQmfReal[pReadIdx[ 2]]), ci[ 2], … in fourChannelFiltering()
528 …fft[FFT_IDX_I(0)] = ( fMult(p[10], ( fMultAdd(fMultDiv2(ci[ 2], pQmfReal[pReadIdx[ 2]]), cr[ 2], … in fourChannelFiltering()
533 …fft[FFT_IDX_R(1)] = ( fMult(p[ 9], ( fMultSub(fMultDiv2(cr[ 3], pQmfReal[pReadIdx[ 3]]), ci[ 3], … in fourChannelFiltering()
536 …fft[FFT_IDX_I(1)] = ( fMult(p[ 9], ( fMultAdd(fMultDiv2(ci[ 3], pQmfReal[pReadIdx[ 3]]), cr[ 3], … in fourChannelFiltering()
541 …fft[FFT_IDX_R(2)] = ( fMult(p[12], ( fMultSub(fMultDiv2(cr[ 0], pQmfReal[pReadIdx[ 0]]), ci[ 0], … in fourChannelFiltering()
545 …fft[FFT_IDX_I(2)] = ( fMult(p[12], ( fMultAdd(fMultDiv2(ci[ 0], pQmfReal[pReadIdx[ 0]]), cr[ 0], … in fourChannelFiltering()
550 …fft[FFT_IDX_R(3)] = ( fMult(p[11], ( fMultSub(fMultDiv2(cr[ 1], pQmfReal[pReadIdx[ 1]]), ci[ 1], … in fourChannelFiltering()
553 …fft[FFT_IDX_I(3)] = ( fMult(p[11], ( fMultAdd(fMultDiv2(ci[ 1], pQmfReal[pReadIdx[ 1]]), cr[ 1], … in fourChannelFiltering()
566 mHybridReal[0] = fft[FFT_IDX_R(0)] + fft[FFT_IDX_R(1)] + fft[FFT_IDX_R(2)] + fft[FFT_IDX_R(3)]; in fourChannelFiltering()
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Ddct.cpp164 fft(M, tmp, pDat_e); in dct_III()
227 fft(M, tmp, pDat_e); in dct_II()
355 fft(M, pDat, pDat_e); in dct_IV()
481 fft(M, pDat, pDat_e); in dst_IV()
/external/eigen/bench/
DbenchFFT.cpp51 FFT< Scalar > fft; in bench() local
54 fft.SetFlag(fft.Unscaled); in bench()
58 fft.SetFlag(fft.HalfSpectrum); in bench()
64 fft.fwd( outbuf , inbuf); in bench()
72 fft.fwd( outbuf , inbuf); in bench()
75 fft.inv(inbuf,outbuf); in bench()
/external/apache-commons-math/src/main/java/org/apache/commons/math/transform/
DFastFourierTransformer.java75 return fft(f, false); in transform()
97 return fft(data, false); in transform()
113 return fft(f); in transform()
130 return scaleArray(fft(f, false), scaling_coefficient); in transform2()
154 return scaleArray(fft(data, false), scaling_coefficient); in transform2()
172 return scaleArray(fft(f), scaling_coefficient); in transform2()
189 return scaleArray(fft(f, true), scaling_coefficient); in inversetransform()
213 return scaleArray(fft(data, true), scaling_coefficient); in inversetransform()
231 return scaleArray(fft(f), scaling_coefficient); in inversetransform()
248 return scaleArray(fft(f, true), scaling_coefficient); in inversetransform2()
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/external/webrtc/webrtc/modules/audio_processing/aecm/
Daecm_core_c.c66 int16_t* fft, in WindowAndFFT() argument
77 fft[i] = (int16_t)((scaled_time_signal * WebRtcAecm_kSqrtHanning[i]) >> 14); in WindowAndFFT()
79 fft[PART_LEN + i] = (int16_t)(( in WindowAndFFT()
85 WebRtcSpl_RealForwardFFT(aecm->real_fft, fft, (int16_t*)freq_signal); in WindowAndFFT()
92 int16_t* fft, in InverseFFTAndWindow() argument
104 fft[j] = efw[i].real; in InverseFFTAndWindow()
105 fft[j + 1] = -efw[i].imag; in InverseFFTAndWindow()
107 fft[0] = efw[0].real; in InverseFFTAndWindow()
108 fft[1] = -efw[0].imag; in InverseFFTAndWindow()
110 fft[PART_LEN2] = efw[PART_LEN].real; in InverseFFTAndWindow()
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Daecm_core_mips.c76 int16_t* fft, in WindowAndFFT() argument
88 memset(fft, 0, sizeof(int16_t) * PART_LEN4); in WindowAndFFT()
156 [hanning] "r" (WebRtcAecm_kSqrtHanning), [fft] "r" (fft) in WindowAndFFT()
160 WebRtcSpl_ComplexFFT(fft, PART_LEN_SHIFT, 1); in WindowAndFFT()
161 pfrfi = fft; in WindowAndFFT()
203 int16_t* fft, in InverseFFTAndWindow() argument
210 int16_t* pfft = fft; in InverseFFTAndWindow()
211 int16_t* ppfft = fft; in InverseFFTAndWindow()
276 [fft] "+r" (fft) in InverseFFTAndWindow()
281 fft[2] = efw[PART_LEN].real; in InverseFFTAndWindow()
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/external/webrtc/webrtc/modules/audio_processing/aec/
Daec_core_mips.c448 float fft[PART_LEN2]; in WebRtcAec_FilterAdaptation_mips() local
534 : [fft] "r" (fft) in WebRtcAec_FilterAdaptation_mips()
538 aec_rdft_inverse_128(fft); in WebRtcAec_FilterAdaptation_mips()
539 memset(fft + PART_LEN, 0, sizeof(float) * PART_LEN); in WebRtcAec_FilterAdaptation_mips()
582 : [scale] "f" (scale), [fft] "r" (fft) in WebRtcAec_FilterAdaptation_mips()
586 aec_rdft_forward_128(fft); in WebRtcAec_FilterAdaptation_mips()
640 : [fft] "r" (fft) in WebRtcAec_FilterAdaptation_mips()
Daec_core.c221 float fft[PART_LEN2]; in FilterAdaptation() local
234 fft[2 * j] = MulRe(x_fft_buf[0][xPos + j], in FilterAdaptation()
238 fft[2 * j + 1] = MulIm(x_fft_buf[0][xPos + j], in FilterAdaptation()
243 fft[1] = MulRe(x_fft_buf[0][xPos + PART_LEN], in FilterAdaptation()
248 aec_rdft_inverse_128(fft); in FilterAdaptation()
249 memset(fft + PART_LEN, 0, sizeof(float) * PART_LEN); in FilterAdaptation()
255 fft[j] *= scale; in FilterAdaptation()
258 aec_rdft_forward_128(fft); in FilterAdaptation()
260 h_fft_buf[0][pos] += fft[0]; in FilterAdaptation()
261 h_fft_buf[0][pos + PART_LEN] += fft[1]; in FilterAdaptation()
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Daec_core_neon.c195 float fft[PART_LEN2]; in FilterAdaptationNEON() local
223 vst1q_f32(&fft[2 * j + 0], g_n_h.val[0]); in FilterAdaptationNEON()
224 vst1q_f32(&fft[2 * j + 4], g_n_h.val[1]); in FilterAdaptationNEON()
227 fft[1] = MulRe(x_fft_buf[0][xPos + PART_LEN], in FilterAdaptationNEON()
232 aec_rdft_inverse_128(fft); in FilterAdaptationNEON()
233 memset(fft + PART_LEN, 0, sizeof(float) * PART_LEN); in FilterAdaptationNEON()
240 const float32x4_t fft_ps = vld1q_f32(&fft[j]); in FilterAdaptationNEON()
242 vst1q_f32(&fft[j], fft_scale); in FilterAdaptationNEON()
245 aec_rdft_forward_128(fft); in FilterAdaptationNEON()
249 h_fft_buf[0][pos + PART_LEN] += fft[1]; in FilterAdaptationNEON()
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Daec_core_sse2.c157 float fft[PART_LEN2]; in FilterAdaptationSSE2() local
187 _mm_storeu_ps(&fft[2 * j + 0], g); in FilterAdaptationSSE2()
188 _mm_storeu_ps(&fft[2 * j + 4], h); in FilterAdaptationSSE2()
191 fft[1] = MulRe(x_fft_buf[0][xPos + PART_LEN], in FilterAdaptationSSE2()
196 aec_rdft_inverse_128(fft); in FilterAdaptationSSE2()
197 memset(fft + PART_LEN, 0, sizeof(float) * PART_LEN); in FilterAdaptationSSE2()
204 const __m128 fft_ps = _mm_loadu_ps(&fft[j]); in FilterAdaptationSSE2()
206 _mm_storeu_ps(&fft[j], fft_scale); in FilterAdaptationSSE2()
209 aec_rdft_forward_128(fft); in FilterAdaptationSSE2()
213 h_fft_buf[0][pos + PART_LEN] += fft[1]; in FilterAdaptationSSE2()
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/external/aac/libSBRdec/src/
Dpsdec_hybrid.cpp383 FIXP_DBL *fft = (FIXP_DBL *)ALIGN_PTR(_fft); in slotBasedEightChannelFiltering() local
404 fft[FIXP_FFT_IDX_R(n_2)] = accu1 + accu3; \ in slotBasedEightChannelFiltering()
405 fft[FIXP_FFT_IDX_I(n_2)] = accu2 + accu4; in slotBasedEightChannelFiltering()
409 fft[FIXP_FFT_IDX_R(n_1)] = fMultDiv2(p[n_0], accu1); \ in slotBasedEightChannelFiltering()
410 fft[FIXP_FFT_IDX_I(n_1)] = fMultDiv2(p[n_0], accu2); in slotBasedEightChannelFiltering()
423 fft_8 (fft); in slotBasedEightChannelFiltering()
427 mHybridReal[bin] = fft[FIXP_FFT_IDX_R(bin)] << 4; in slotBasedEightChannelFiltering()
428 mHybridImag[bin] = fft[FIXP_FFT_IDX_I(bin)] << 4; in slotBasedEightChannelFiltering()
/external/autotest/server/brillo/
Daudio_utils.py204 fft_reference = numpy.fft.rfft(reference_data)
205 fft_rec = numpy.fft.rfft(rec_data)
206 fft_freqs_reference = numpy.fft.rfftfreq(len(reference_data),
208 fft_freqs_rec = numpy.fft.rfftfreq(len(rec_data), 1.0 / sample_rate)
/external/eigen/unsupported/doc/examples/
DFFT.cpp82 static FFT<Scalar> fft; in fwd_inv() local
83 fft.fwd(freqbuf,timebuf); in fwd_inv()
86 fft.inv(timebuf2,freqbuf); in fwd_inv()
/external/llvm/test/CodeGen/Mips/
Ds2rem.ll57 define void @fft() #0 {
63 ; PIC: .ent fft
66 ; PIC: .end fft
/external/speex/libspeex/
Dfftwrap.c175 fftwf_plan fft; member
186 table->fft = fftwf_plan_dft_r2c_1d(size, table->in, (fftwf_complex *) table->out, FFTW_PATIENT); in spx_fft_init()
196 fftwf_destroy_plan(t->fft); in spx_fft_destroy()
215 fftwf_execute(t->fft); in spx_fft()
/external/ltp/testcases/realtime/tools/
Dftqviz.py28 from numpy.fft import *
54 X = abs(fftshift(fft(x)))
/external/webrtc/webrtc/modules/audio_coding/codecs/isac/
Disac.gypi46 'main/source/fft.c',
71 'main/source/fft.h',
Disacfix.gypi44 'fix/source/fft.c',
68 'fix/source/fft.h',
/external/eigen/unsupported/Eigen/
DFFT122 …fft_fwd_proxy(const T_SrcMat& src,T_FftIfc & fft, Index nfft) : m_src(src),m_ifc(fft), m_nfft(nfft…
142 …fft_inv_proxy(const T_SrcMat& src,T_FftIfc & fft, Index nfft) : m_src(src),m_ifc(fft), m_nfft(nfft…
304 nfft = 2*(src.size()-1); //assume even fft size
/external/webrtc/webrtc/modules/audio_coding/codecs/isac/main/source/
DAndroid.mk31 fft.c \
/external/drrickorang/LoopbackApp/app/src/main/java/org/drrickorang/loopback/
DFFT.java62 public void fft(double[] x, double[] y, int sign) { in fft() method in FFT

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