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/dports/math/scilab/scilab-6.1.1/scilab/modules/m2sci/tests/unit_tests/mfiles/
H A DIFFT.m1 % Test file for function ifft()
5 res1 = ifft([]);
11 res4 = ifft([1]);
13 res5 = ifft([1,2,3]);
15 res6 = ifft([1;2;3]);
35 res16 = ifft([i]);
83 res40 = ifft([],1);
89 res43 = ifft([1],1);
113 res55 = ifft([i],1);
161 res79 = ifft([],5);
[all …]
/dports/math/algae/algae-4.3.6/test/
H A Dfft.A27 assert (near (ifft (X); x));
28 assert (near (ifft(X).eid; x.eid));
37 ix = ifft (X);
51 assert (near (ifft(X); x));
52 assert (near (ifft(X[;2]); x[;2]));
60 ix = ifft (X);
73 assert (near (ifft(X;{row}); x));
74 assert (near (ifft(X[2;]); x[2;]));
82 ix = ifft (X; {row});
96 assert (near (ifft(x); ifftw(x)));
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/dports/cad/ngspice_rework/ngspice-35/examples/various/
H A DFFT_tests.cir35 let ifftac = ifft(fftac)
47 let ifftac = ifft(fftac)
62 let ifftac = ifft(fftac)
63 plot ifft(fftac) ac vs a title SIN_REMOVED
74 let ifftac = ifft(fftac)
89 let ifftac = ifft(fftac)
103 let ifftac = ifft(fftac)
104 plot ifft(fftac) ac vs a title COS_With_DC_REMOVED
117 let ifftac = ifft(fftac)
118 plot ifft(fftac) ac vs a title ONE_BIN_REMOVED
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/dports/misc/py-mxnet/incubator-mxnet-1.9.0/src/operator/contrib/
H A Difft-inl.h43 namespace ifft {
78 n_iffts = in_data[ifft::kData].shape_.ProdShape(0, in_data[ifft::kData].ndim()-1); in Forward()
80 dim_ = in_data[ifft::kData].shape_[in_data[ifft::kData].ndim()-1]/2; in Forward()
90 const mxnet::TShape& ishape = in_data[ifft::kData].shape_; in Forward()
91 const mxnet::TShape& oshape = out_data[ifft::kOut].shape_; in Forward()
112 req[ifft::kOut], complex_toreal(complex_data)); in Forward()
131 req[ifft::kOut], complex_toreal(complex_data)); in Forward()
152 const mxnet::TShape& ishape = in_grad[ifft::kData].shape_; in Backward()
231 const mxnet::TShape &dshape = (*in_shape)[ifft::kData]; in InferShape()
278 return {out_grad[ifft::kOut], in_data[ifft::kData]}; in DeclareBackwardDependency()
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/dports/misc/mxnet/incubator-mxnet-1.9.0/src/operator/contrib/
H A Difft-inl.h43 namespace ifft {
78 n_iffts = in_data[ifft::kData].shape_.ProdShape(0, in_data[ifft::kData].ndim()-1); in Forward()
80 dim_ = in_data[ifft::kData].shape_[in_data[ifft::kData].ndim()-1]/2; in Forward()
90 const mxnet::TShape& ishape = in_data[ifft::kData].shape_; in Forward()
91 const mxnet::TShape& oshape = out_data[ifft::kOut].shape_; in Forward()
112 req[ifft::kOut], complex_toreal(complex_data)); in Forward()
131 req[ifft::kOut], complex_toreal(complex_data)); in Forward()
152 const mxnet::TShape& ishape = in_grad[ifft::kData].shape_; in Backward()
231 const mxnet::TShape &dshape = (*in_shape)[ifft::kData]; in InferShape()
278 return {out_grad[ifft::kOut], in_data[ifft::kData]}; in DeclareBackwardDependency()
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/dports/devel/py-pythran/pythran-0.11.0/pythran/pythonic/include/numpy/fft/
H A Difft.hpp32 ifft(types::ndarray<T, pS> const &a, long n = -1, long axis = -1,
39 ifft(types::ndarray<T, pS> const &a, types::none_type n, long axis,
46 ifft(types::ndarray<T, pS> const &a, long n, long axis,
60 ifft(types::ndarray<T, pS> const &a, long n = -1, long axis = -1,
67 ifft(types::ndarray<T, pS> const &a, types::none_type n, long axis,
74 ifft(types::ndarray<T, pS> const &a, long n, long axis,
88 ifft(types::ndarray<T, pS> const &a, long n = -1, long axis = -1,
95 ifft(types::ndarray<T, pS> const &a, types::none_type n, long axis,
102 ifft(types::ndarray<T, pS> const &a, long n, long axis,
112 NUMPY_EXPR_TO_NDARRAY0_DECL(ifft);
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/dports/math/scilab/scilab-6.1.1/scilab/modules/fftw/tests/unit_tests/
H A Dfftw_part1.dia.ref14 assert_checkequal(ifft(1:4),conj(fft(1:4)/4));
24 assert_checkalmostequal(A,ifft(y));
41 assert_checkalmostequal(A,ifft(y),0,10*%eps);
92 assert_checkalmostequal(A,ifft(y));
107 assert_checkalmostequal(A,ifft(y),0,10*%eps);
126 assert_checkalmostequal(A,ifft(y),0,10*%eps);
143 assert_checkalmostequal(A,ifft(y),0,10*%eps);
155 assert_checkalmostequal(A,ifft(y),0,10*%eps);
170 assert_checkalmostequal(A,ifft(y));
185 assert_checkalmostequal(A,ifft(y),0,10*%eps);
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H A Dfftw_part1.tst17 assert_checkequal(ifft(1:4),conj(fft(1:4)/4));
27 assert_checkalmostequal(A,ifft(y));
49 assert_checkalmostequal(A,ifft(y),0,10*%eps);
112 assert_checkalmostequal(A,ifft(y));
130 assert_checkalmostequal(A,ifft(y),0,10*%eps);
155 assert_checkalmostequal(A,ifft(y),0,10*%eps);
177 assert_checkalmostequal(A,ifft(y),0,10*%eps);
191 assert_checkalmostequal(A,ifft(y),0,10*%eps);
210 assert_checkalmostequal(A,ifft(y));
229 assert_checkalmostequal(A,ifft(y),0,10*%eps);
[all …]
/dports/devel/py-pythran/pythran-0.11.0/pythran/pythonic/numpy/fft/
H A Difft.hpp22 ifft(types::ndarray<T, pS> const &in_array, types::none_type n, long axis, in ifft() function
32 ifft(types::ndarray<T, pS> const &in_array, types::none_type n, long axis, in ifft() function
42 ifft(types::ndarray<T, pS> const &in_array, long n, long axis, in ifft() function
52 ifft(types::ndarray<T, pS> const &in_array, long n, long axis, in ifft() function
62 ifft(types::ndarray<T, pS> const &in_array, types::none_type n, long axis, in ifft() function
72 ifft(types::ndarray<T, pS> const &in_array, types::none_type n, long axis, in ifft() function
82 ifft(types::ndarray<T, pS> const &in_array, long n, long axis, in ifft() function
92 ifft(types::ndarray<T, pS> const &in_array, long n, long axis, in ifft() function
124 ifft(types::ndarray<T, pS> const &in_array, long n, long axis, in ifft() function
135 ifft(types::ndarray<T, pS> const &in_array, long n, long axis, in ifft() function
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/dports/science/InsightToolkit/ITK-5.0.1/Modules/Filtering/Deconvolution/include/
H A DitkParametricBlindLeastSquaresDeconvolutionImageFilter.hxx126 typename InverseFFTFilterType::Pointer ifft = InverseFFTFilterType::New(); in Iteration() local
127 ifft->SetActualXDimensionIsOdd( this->GetXDimensionIsOdd() ); in Iteration()
128 ifft->SetInput( m_TransformedCurrentEstimate ); in Iteration()
129 ifft->UpdateLargestPossibleRegion(); in Iteration()
145 estimateShifter->SetInput( ifft->GetOutput() ); in Iteration()
250 typename InverseFFTFilterType::Pointer ifft = InverseFFTFilterType::New(); in Finish() local
251 ifft->SetActualXDimensionIsOdd( this->GetXDimensionIsOdd() ); in Finish()
252 ifft->SetInput( m_TransformedCurrentEstimate ); in Finish()
253 ifft->UpdateLargestPossibleRegion(); in Finish()
254 progress->RegisterInternalFilter( ifft, 0.0 * progressWeight ); in Finish()
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/dports/science/py-scipy/scipy-1.7.1/scipy/ndimage/tests/
H A Dtest_fourier.py22 a = fft.ifft(a, shape[1], 1)
35 a = fft.ifft(a, shape[1], 1)
36 a = fft.ifft(a, shape[0], 0)
48 a = fft.ifft(a, shape[1], 1)
61 a = fft.ifft(a, shape[1], 1)
62 a = fft.ifft(a, shape[0], 0)
74 a = fft.ifft(a, shape[1], 1)
90 a = fft.ifft(a, shape[1], 1)
91 a = fft.ifft(a, shape[0], 0)
107 a = fft.ifft(a, shape[1], 1)
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/dports/math/octave-forge-control/control-3.3.1/inst/@iddata/
H A Difft.m19 ## @deftypefn {Function File} {@var{dat} =} ifft (@var{dat})
46 function dat = ifft (dat) function
48 if (nargin > 1) # no need to test nargin == 0, this is handled by built-in ifft
52 if (dat.timedomain) # dat is always an iddata set, otherwise built-in ifft would be called
57 error ("iddata: ifft: first frequency must be zero");
61 error ("iddata: ifft: require linearly spaced frequency vectors");
70 …dat.y = cellfun (@(y, n, nconj) real (ifft ([y; conj(y(nconj:-1:2, :))], [], 1)) * sqrt (n+nconj),…
71 …dat.u = cellfun (@(u, n, nconj) real (ifft ([u; conj(u(nconj:-1:2, :))], [], 1)) * sqrt (n+nconj),…
73 ## ifft (x, n, dim=1) because x could be a row vector (n=1)
/dports/multimedia/gstreamer1-plugins-svt-av1/SVT-AV1-3971c982311d49f9355dc8dccdcf8d21b70fa624/Source/Lib/Encoder/Codec/
H A Dnoise_util.c35 void (*ifft)(const float *, float *, float *); member
47 noise_tx->ifft = svt_aom_ifft2x2_float; in svt_aom_noise_tx_malloc()
51 noise_tx->ifft = svt_aom_ifft4x4_float; in svt_aom_noise_tx_malloc()
55 noise_tx->ifft = svt_aom_ifft8x8_float; in svt_aom_noise_tx_malloc()
59 noise_tx->ifft = svt_aom_ifft16x16_float; in svt_aom_noise_tx_malloc()
63 noise_tx->ifft = svt_aom_ifft32x32_float; in svt_aom_noise_tx_malloc()
112 noise_tx->ifft(noise_tx->tx_block, noise_tx->temp, data); in svt_aom_noise_tx_inverse()
/dports/multimedia/svt-av1/SVT-AV1-3971c982311d49f9355dc8dccdcf8d21b70fa624/Source/Lib/Encoder/Codec/
H A Dnoise_util.c35 void (*ifft)(const float *, float *, float *); member
47 noise_tx->ifft = svt_aom_ifft2x2_float; in svt_aom_noise_tx_malloc()
51 noise_tx->ifft = svt_aom_ifft4x4_float; in svt_aom_noise_tx_malloc()
55 noise_tx->ifft = svt_aom_ifft8x8_float; in svt_aom_noise_tx_malloc()
59 noise_tx->ifft = svt_aom_ifft16x16_float; in svt_aom_noise_tx_malloc()
63 noise_tx->ifft = svt_aom_ifft32x32_float; in svt_aom_noise_tx_malloc()
112 noise_tx->ifft(noise_tx->tx_block, noise_tx->temp, data); in svt_aom_noise_tx_inverse()
/dports/science/InsightToolkit/ITK-5.0.1/Modules/Filtering/FFT/test/
H A DitkForwardInverseFFTTest.h36 typename TInverseFFT::Pointer ifft = TInverseFFT::New(); in ForwardInverseFullFFTTest() local
37 ifft->SetInput( fft->GetOutput() ); in ForwardInverseFullFFTTest()
43 diffFilter->SetInput2( ifft->GetOutput() ); in ForwardInverseFullFFTTest()
80 typename TInverseFFT::Pointer ifft = TInverseFFT::New(); in ForwardInverseHalfFFTTest() local
82 ifft->SetActualXDimensionIsOdd( xIsOdd ); in ForwardInverseHalfFFTTest()
83 ifft->SetInput( fft->GetOutput() ); in ForwardInverseHalfFFTTest()
89 diffFilter->SetInput2( ifft->GetOutput() ); in ForwardInverseHalfFFTTest()
H A DitkFFTWD_FFTTest.cxx86 itk::FFTWInverseFFTImageFilter< ImageCD3 >::Pointer ifft = in itkFFTWD_FFTTest() local
88 ifft->SetPlanRigor( FFTW_ESTIMATE ); in itkFFTWD_FFTTest()
89 if ( ifft->GetPlanRigor() != FFTW_ESTIMATE ) in itkFFTWD_FFTTest()
94 ifft->SetPlanRigor( FFTW_MEASURE ); in itkFFTWD_FFTTest()
97 ifft->Print(std::cout); in itkFFTWD_FFTTest()
H A DitkFFTWD_RealFFTTest.cxx92 itk::FFTWHalfHermitianToRealInverseFFTImageFilter< ImageCD3 >::Pointer ifft = in itkFFTWD_RealFFTTest() local
94 ifft->SetPlanRigor( FFTW_ESTIMATE ); in itkFFTWD_RealFFTTest()
95 if ( ifft->GetPlanRigor() != FFTW_ESTIMATE ) in itkFFTWD_RealFFTTest()
100 ifft->SetPlanRigor( FFTW_MEASURE ); in itkFFTWD_RealFFTTest()
103 ifft->Print(std::cout); in itkFFTWD_RealFFTTest()
/dports/math/octave-forge-communications/communications-1.2.3/inst/@galois/
H A Difft.m17 ## @deftypefn {Function File} {} ifft (@var{x})
22 ## @seealso{ifft}
25 function y = ifft (x) function
32 error ("ifft: argument must be a galois variable");
37 error (["ifft: argument must be in Galois Field GF(2^M)" ...
48 error ("ifft: argument must be a vector in GF(2^M) of length 2^M-1");
54 %!error ifft (gf (1, 12))
/dports/math/py-algopy/algopy-0.5.7/algopy/fft/
H A Dfft.py29 def ifft(a, n=None, axis=-1):
37 return UTPM.ifft(a, n=n, axis=axis)
40 return Function.ifft(a, n=n, axis=axis)
43 return numpy.fft.ifft(a, n=n, axis=axis)
/dports/comms/liquid-dsp/liquid-dsp-1.3.2/src/filter/src/
H A Dfftfilt.c56 fftplan ifft; // FFT object (inverse) in FFTFILT() local
59 FFT_PLAN ifft; // FFT object (inverse) in FFTFILT() local
103 q->ifft = fft_create_plan(2*q->n, q->freq_buf, q->time_buf, LIQUID_FFT_BACKWARD, 0); in FFTFILT()
106 q->ifft = FFT_CREATE_PLAN(2*q->n, q->freq_buf, q->time_buf, FFT_DIR_BACKWARD, FFT_METHOD); in FFTFILT()
144 fft_destroy_plan(_q->ifft); // reverse transform in FFTFILT()
147 FFT_DESTROY_PLAN(_q->ifft); // reverse transform in FFTFILT()
250 fft_execute(_q->ifft); in FFTFILT()
252 FFT_EXECUTE(_q->ifft); in FFTFILT()
/dports/audio/libkeyfinder/libkeyfinder-2.2.4/src/
H A Dlowpassfilter.cpp77 InverseFftAdapter* ifft = new InverseFftAdapter(fftFrameSize); in LowPassFilterPrivate() local
86 ifft->setInput(i, input, 0.0); in LowPassFilterPrivate()
87 ifft->setInput(fftFrameSize - i - 1, input, 0.0); in LowPassFilterPrivate()
91 ifft->execute(); in LowPassFilterPrivate()
102 double coeff = ifft->getOutput(index); in LowPassFilterPrivate()
108 delete ifft; in LowPassFilterPrivate()
/dports/www/carbonapi/carbonapi-0.14.1/expr/functions/ifft/
H A Dfunction.go1 package ifft package
16 type ifft struct { struct
26 f := &ifft{}
35 func (f *ifft) Do(ctx context.Context, e parser.Expr, from, until int64, values map[parser.MetricRe… argument
85 func (f *ifft) Description() map[string]types.FunctionDescription { argument
/dports/www/chromium-legacy/chromium-88.0.4324.182/third_party/ffmpeg/tests/fate/
H A Dfft.mak3 FATE_FFT-$(CONFIG_FFT) += fate-fft-$(1) fate-ifft-$(1)
8 fate-ifft-$(N): ARGS = -n$(1) -i
30 FATE_FFT_FIXED-$(CONFIG_FFT) += fate-fft-fixed-$(1) fate-ifft-fixed-$(1)
34 fate-ifft-fixed-$(1): ARGS = -n$(1) -i
52 FATE_FFT_FIXED32 += fate-fft-fixed32-$(1) fate-ifft-fixed32-$(1) \
56 fate-ifft-fixed32-$(1): ARGS = -n$(1) -i
70 FATE_AV_FFT-$(CONFIG_FFT) += fate-av-fft-$(1) fate-av-ifft-$(1)
75 fate-av-ifft-$(N): ARGS = -n$(1) -i
/dports/multimedia/gstreamer1-libav/gst-libav-1.16.2/gst-libs/ext/libav/tests/fate/
H A Dfft.mak3 FATE_FFT-$(CONFIG_FFT) += fate-fft-$(1) fate-ifft-$(1)
8 fate-ifft-$(N): ARGS = -n$(1) -i
30 FATE_FFT_FIXED-$(CONFIG_FFT) += fate-fft-fixed-$(1) fate-ifft-fixed-$(1)
34 fate-ifft-fixed-$(1): ARGS = -n$(1) -i
52 FATE_FFT_FIXED32 += fate-fft-fixed32-$(1) fate-ifft-fixed32-$(1) \
56 fate-ifft-fixed32-$(1): ARGS = -n$(1) -i
70 FATE_AV_FFT-$(CONFIG_FFT) += fate-av-fft-$(1) fate-av-ifft-$(1)
75 fate-av-ifft-$(N): ARGS = -n$(1) -i
/dports/science/py-scipy/scipy-1.7.1/scipy/fft/tests/
H A Dtest_fft_function.py44 from scipy import ifft
45 assert ifft.__wrapped__ is np.fft.ifft

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