/usr/include/purify/PSFOperator.h is in libpurify-dev 2.0.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | #ifndef PURIFY_PSF_OPERATOR_H
#define PURIFY_PSF_OPERATOR_H
#include "purify/config.h"
#include "purify/FFTOperator.h"
#include "purify/kernels.h"
#include "purify/types.h"
#include "purify/utilities.h"
#include <iostream>
#include <string>
namespace purify {
//! This does something
class PSFOperator {
public:
PSFOperator(const Image<t_complex> &point_spread_function);
//! forward convolution with psf
Image<t_complex> forward(const Image<t_complex> &image);
//! backward convolution with psf
Image<t_complex> adjoint(const Image<t_complex> &image);
protected:
const t_int ftsize_u;
const t_int ftsize_v;
Image<t_complex> psf_fft;
Image<t_complex> psf_adj_fft;
FFTOperator fftop;
t_real norm;
//! Convolution operator
Image<t_complex>
convolution_with_psf(const Image<t_complex> &image, const Image<t_complex> &psf_fft);
//! power method
t_real power_method(const t_int &niters, const t_real &relative_difference = 1e-9);
};
}
#endif
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