A high-performance general-purpose compute library

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Namespaces | Functions
signal.h File Reference
`#include <af/defines.h>`

Go to the source code of this file.

## Namespaces
namespace | af

## Functions
AFAPI array | approx1 (const array &in, const array &pos, const interpType method=AF_INTERP_LINEAR, const float off_grid=0.0f)
| C++ Interface for data interpolation on one-dimensional signals.
AFAPI array | approx2 (const array &in, const array &pos0, const array &pos1, const interpType method=AF_INTERP_LINEAR, const float off_grid=0.0f)
| C++ Interface for data interpolation on two-dimensional signals.
AFAPI array | approx1 (const array &in, const array &pos, const int interp_dim, const double idx_start, const double idx_step, const interpType method=AF_INTERP_LINEAR, const float off_grid=0.0f)
| C++ Interface for data interpolation on one-dimensional signals.
AFAPI array | approx2 (const array &in, const array &pos0, const int interp_dim0, const double idx_start_dim0, const double idx_step_dim0, const array &pos1, const int interp_dim1, const double idx_start_dim1, const double idx_step_dim1, const interpType method=AF_INTERP_LINEAR, const float off_grid=0.0f)
| C++ Interface for data interpolation on two-dimensional signals.
AFAPI array | fftNorm (const array &in, const double norm_factor, const dim_t odim0=0)
| C++ Interface for fast fourier transform on one dimensional signals.
AFAPI array | fft2Norm (const array &in, const double norm_factor, const dim_t odim0=0, const dim_t odim1=0)
| C++ Interface for fast fourier transform on two dimensional signals.
AFAPI array | fft3Norm (const array &in, const double norm_factor, const dim_t odim0=0, const dim_t odim1=0, const dim_t odim2=0)
| C++ Interface for fast fourier transform on three dimensional signals.
AFAPI void | fftInPlace (array &in, const double norm_factor=1.0)
| C++ Interface for fast fourier transform on one dimensional signals.
AFAPI void | fft2InPlace (array &in, const double norm_factor=1.0)
| C++ Interface for fast fourier transform on two dimensional signals.
AFAPI void | fft3InPlace (array &in, const double norm_factor=1.0)
| C++ Interface for fast fourier transform on three dimensional signals.
AFAPI array | fft (const array &in, const dim_t odim0=0)
| C++ Interface for fast fourier transform on one dimensional signals.
AFAPI array | fft2 (const array &in, const dim_t odim0=0, const dim_t odim1=0)
| C++ Interface for fast fourier transform on two dimensional signals.
AFAPI array | fft3 (const array &in, const dim_t odim0=0, const dim_t odim1=0, const dim_t odim2=0)
| C++ Interface for fast fourier transform on three dimensional signals.
AFAPI array | dft (const array &in, const double norm_factor, const dim4 outDims)
| C++ Interface for fast fourier transform on any(1d, 2d, 3d) dimensional signals.
AFAPI array | dft (const array &in, const dim4 outDims)
| C++ Interface for fast fourier transform on any(1d, 2d, 3d) dimensional signals.
AFAPI array | dft (const array &in)
| C++ Interface for fast fourier transform on any(1d, 2d, 3d) dimensional signals.
AFAPI array | ifftNorm (const array &in, const double norm_factor, const dim_t odim0=0)
| C++ Interface for inverse fast fourier transform on one dimensional signals.
AFAPI array | ifft2Norm (const array &in, const double norm_factor, const dim_t odim0=0, const dim_t odim1=0)
| C++ Interface for inverse fast fourier transform on two dimensional signals.
AFAPI array | ifft3Norm (const array &in, const double norm_factor, const dim_t odim0=0, const dim_t odim1=0, const dim_t odim2=0)
| C++ Interface for inverse fast fourier transform on three dimensional signals.
AFAPI void | ifftInPlace (array &in, const double norm_factor=1.0)
| C++ Interface for fast fourier transform on one dimensional signals.
AFAPI void | ifft2InPlace (array &in, const double norm_factor=1.0)
| C++ Interface for fast fourier transform on two dimensional signals.
AFAPI void | ifft3InPlace (array &in, const double norm_factor=1.0)
| C++ Interface for fast fourier transform on three dimensional signals.
AFAPI array | ifft (const array &in, const dim_t odim0=0)
| C++ Interface for inverse fast fourier transform on one dimensional signals.
AFAPI array | ifft2 (const array &in, const dim_t odim0=0, const dim_t odim1=0)
| C++ Interface for inverse fast fourier transform on two dimensional signals.
AFAPI array | ifft3 (const array &in, const dim_t odim0=0, const dim_t odim1=0, const dim_t odim2=0)
| C++ Interface for inverse fast fourier transform on three dimensional signals.
AFAPI array | idft (const array &in, const double norm_factor, const dim4 outDims)
| C++ Interface for inverse fast fourier transform on any(1d, 2d, 3d) dimensional signals.
AFAPI array | idft (const array &in, const dim4 outDims)
| C++ Interface for inverse fast fourier transform on any(1d, 2d, 3d) dimensional signals.
AFAPI array | idft (const array &in)
| C++ Interface for inverse fast fourier transform on any(1d, 2d, 3d) dimensional signals.
template<int rank>
array | fftR2C (const array &in, const dim4 &dims, const double norm_factor=1.0)
| C++ Interface for real to complex fast fourier transform for one dimensional signals.
template<int rank>
array | fftR2C (const array &in, const double norm_factor=1.0)
| C++ Interface for real to complex fast fourier transform for one dimensional signals.
template<int rank>
array | fftC2R (const array &in, bool is_odd=false, const double norm_factor=1.0)
| C++ Interface for complex to real fast fourier transform.
AFAPI array | convolve (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT, const convDomain domain=AF_CONV_AUTO)
| C++ Interface for convolution any(one through three) dimensional signals.
AFAPI array | convolve (const array &col_filter, const array &row_filter, const array &signal, const convMode mode=AF_CONV_DEFAULT)
| C++ Interface for separable convolution on two dimensional signals.
AFAPI array | convolve1 (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT, const convDomain domain=AF_CONV_AUTO)
| C++ Interface for convolution on one dimensional signals.
AFAPI array | convolve2 (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT, const convDomain domain=AF_CONV_AUTO)
| C++ Interface for convolution on two dimensional signals.
AFAPI array | convolve2NN (const array &signal, const array &filter, const dim4 stride, const dim4 padding, const dim4 dilation)
| C++ Interface for 2D convolution.
AFAPI array | convolve3 (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT, const convDomain domain=AF_CONV_AUTO)
| C++ Interface for convolution on three dimensional signals.
AFAPI array | fftConvolve (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT)
| C++ Interface for FFT-based convolution any(one through three) dimensional signals.
AFAPI array | fftConvolve1 (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT)
| C++ Interface for convolution on 1D signals using FFT.
AFAPI array | fftConvolve2 (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT)
| C++ Interface for convolution on 2D signals using FFT.
AFAPI array | fftConvolve3 (const array &signal, const array &filter, const convMode mode=AF_CONV_DEFAULT)
| C++ Interface for convolution on 3D signals using FFT.
AFAPI array | fir (const array &b, const array &x)
| C++ Interface for finite impulse response filter.
AFAPI array | iir (const array &b, const array &a, const array &x)
| C++ Interface for infinite impulse response filter.
AFAPI array | medfilt (const array &in, const dim_t wind_length=3, const dim_t wind_width=3, const borderType edge_pad=AF_PAD_ZERO)
| C++ Interface for median filter.
AFAPI array | medfilt1 (const array &in, const dim_t wind_width=3, const borderType edge_pad=AF_PAD_ZERO)
| C++ Interface for median filter.
AFAPI array | medfilt2 (const array &in, const dim_t wind_length=3, const dim_t wind_width=3, const borderType edge_pad=AF_PAD_ZERO)
| C++ Interface for median filter.
AFAPI void | setFFTPlanCacheSize (size_t cacheSize)
| C++ Interface for setting plan cache size.
AFAPI af_err | af_approx1 (af_array *out, const af_array in, const af_array pos, const af_interp_type method, const float off_grid)
| C Interface for signals interpolation on one dimensional signals.
AFAPI af_err | af_approx1_v2 (af_array *out, const af_array in, const af_array pos, const af_interp_type method, const float off_grid)
| C Interface for the version of af_approx1 that accepts a preallocated output array.
AFAPI af_err | af_approx2 (af_array *out, const af_array in, const af_array pos0, const af_array pos1, const af_interp_type method, const float off_grid)
| C Interface for signals interpolation on two dimensional signals.
AFAPI af_err | af_approx2_v2 (af_array *out, const af_array in, const af_array pos0, const af_array pos1, const af_interp_type method, const float off_grid)
| C Interface for the version of af_approx2 that accepts a preallocated output array.
AFAPI af_err | af_approx1_uniform (af_array *out, const af_array in, const af_array pos, const int interp_dim, const double idx_start, const double idx_step, const af_interp_type method, const float off_grid)
| C Interface for signals interpolation on one dimensional signals along specified dimension.
AFAPI af_err | af_approx1_uniform_v2 (af_array *out, const af_array in, const af_array pos, const int interp_dim, const double idx_start, const double idx_step, const af_interp_type method, const float off_grid)
| C Interface for the version of af_approx1_uniform that accepts a preallocated output array.
AFAPI af_err | af_approx2_uniform (af_array *out, const af_array in, const af_array pos0, const int interp_dim0, const double idx_start_dim0, const double idx_step_dim0, const af_array pos1, const int interp_dim1, const double idx_start_dim1, const double idx_step_dim1, const af_interp_type method, const float off_grid)
| C Interface for signals interpolation on two dimensional signals along specified dimensions.
AFAPI af_err | af_approx2_uniform_v2 (af_array *out, const af_array in, const af_array pos0, const int interp_dim0, const double idx_start_dim0, const double idx_step_dim0, const af_array pos1, const int interp_dim1, const double idx_start_dim1, const double idx_step_dim1, const af_interp_type method, const float off_grid)
| C Interface for the version of af_approx2_uniform that accepts a preallocated output array.
AFAPI af_err | af_fft (af_array *out, const af_array in, const double norm_factor, const dim_t odim0)
| C Interface for fast fourier transform on one dimensional signals.
AFAPI af_err | af_fft_inplace (af_array in, const double norm_factor)
| C Interface for fast fourier transform on one dimensional signals.
AFAPI af_err | af_fft2 (af_array *out, const af_array in, const double norm_factor, const dim_t odim0, const dim_t odim1)
| C Interface for fast fourier transform on two dimensional signals.
AFAPI af_err | af_fft2_inplace (af_array in, const double norm_factor)
| C Interface for fast fourier transform on two dimensional signals.
AFAPI af_err | af_fft3 (af_array *out, const af_array in, const double norm_factor, const dim_t odim0, const dim_t odim1, const dim_t odim2)
| C Interface for fast fourier transform on three dimensional signals.
AFAPI af_err | af_fft3_inplace (af_array in, const double norm_factor)
| C Interface for fast fourier transform on three dimensional signals.
AFAPI af_err | af_ifft (af_array *out, const af_array in, const double norm_factor, const dim_t odim0)
| C Interface for inverse fast fourier transform on one dimensional signals.
AFAPI af_err | af_ifft_inplace (af_array in, const double norm_factor)
| C Interface for fast fourier transform on one dimensional signals.
AFAPI af_err | af_ifft2 (af_array *out, const af_array in, const double norm_factor, const dim_t odim0, const dim_t odim1)
| C Interface for inverse fast fourier transform on two dimensional signals.
AFAPI af_err | af_ifft2_inplace (af_array in, const double norm_factor)
| C Interface for fast fourier transform on two dimensional signals.
AFAPI af_err | af_ifft3 (af_array *out, const af_array in, const double norm_factor, const dim_t odim0, const dim_t odim1, const dim_t odim2)
| C Interface for inverse fast fourier transform on three dimensional signals.
AFAPI af_err | af_ifft3_inplace (af_array in, const double norm_factor)
| C Interface for fast fourier transform on three dimensional signals.
AFAPI af_err | af_fft_r2c (af_array *out, const af_array in, const double norm_factor, const dim_t pad0)
| C Interface for real to complex fast fourier transform for one dimensional signals.
AFAPI af_err | af_fft2_r2c (af_array *out, const af_array in, const double norm_factor, const dim_t pad0, const dim_t pad1)
| C Interface for real to complex fast fourier transform for two dimensional signals.
AFAPI af_err | af_fft3_r2c (af_array *out, const af_array in, const double norm_factor, const dim_t pad0, const dim_t pad1, const dim_t pad2)
| C Interface for real to complex fast fourier transform for three dimensional signals.
AFAPI af_err | af_fft_c2r (af_array *out, const af_array in, const double norm_factor, const bool is_odd)
| C Interface for complex to real fast fourier transform for one dimensional signals.
AFAPI af_err | af_fft2_c2r (af_array *out, const af_array in, const double norm_factor, const bool is_odd)
| C Interface for complex to real fast fourier transform for two dimensional signals.
AFAPI af_err | af_fft3_c2r (af_array *out, const af_array in, const double norm_factor, const bool is_odd)
| C Interface for complex to real fast fourier transform for three dimensional signals.
AFAPI af_err | af_convolve1 (af_array *out, const af_array signal, const af_array filter, const af_conv_mode mode, af_conv_domain domain)
| C Interface for convolution on one dimensional signals.
AFAPI af_err | af_convolve2 (af_array *out, const af_array signal, const af_array filter, const af_conv_mode mode, af_conv_domain domain)
| C Interface for convolution on two dimensional signals.
AFAPI af_err | af_convolve2_nn (af_array *out, const af_array signal, const af_array filter, const unsigned stride_dims, const dim_t *strides, const unsigned padding_dims, const dim_t *paddings, const unsigned dilation_dims, const dim_t *dilations)
| C Interface for 2D convolution.
AFAPI af_err | af_convolve3 (af_array *out, const af_array signal, const af_array filter, const af_conv_mode mode, af_conv_domain domain)
| C Interface for convolution on three dimensional signals.
AFAPI af_err | af_convolve2_sep (af_array *out, const af_array col_filter, const af_array row_filter, const af_array signal, const af_conv_mode mode)
| C Interface for separable convolution on two dimensional signals.
AFAPI af_err | af_fft_convolve1 (af_array *out, const af_array signal, const af_array filter, const af_conv_mode mode)
| C Interface for convolution on 1D signals using FFT.
AFAPI af_err | af_fft_convolve2 (af_array *out, const af_array signal, const af_array filter, const af_conv_mode mode)
| C Interface for convolution on 2D signals using FFT.
AFAPI af_err | af_fft_convolve3 (af_array *out, const af_array signal, const af_array filter, const af_conv_mode mode)
| C Interface for convolution on 3D signals using FFT.
AFAPI af_err | af_fir (af_array *y, const af_array b, const af_array x)
| C Interface for finite impulse response filter.
AFAPI af_err | af_iir (af_array *y, const af_array b, const af_array a, const af_array x)
| C Interface for infinite impulse response filter.
AFAPI af_err | af_medfilt (af_array *out, const af_array in, const dim_t wind_length, const dim_t wind_width, const af_border_type edge_pad)
| C Interface for median filter.
AFAPI af_err | af_medfilt1 (af_array *out, const af_array in, const dim_t wind_width, const af_border_type edge_pad)
| C Interface for 1D median filter.
AFAPI af_err | af_medfilt2 (af_array *out, const af_array in, const dim_t wind_length, const dim_t wind_width, const af_border_type edge_pad)
| C Interface for median filter.
AFAPI af_err | af_set_fft_plan_cache_size (size_t cache_size)
| C Interface for setting plan cache size.