kernels.h File Reference

#include "purify/config.h"
#include "purify/types.h"
#include <array>
#include <map>
#include <tuple>
#include <boost/math/special_functions/bessel.hpp>
#include <boost/math/special_functions/sinc.hpp>

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Namespaces
	purify
	purify::kernels

Enumerations
enum class	purify::kernels::kernel {   purify::kernels::kb , purify::kernels::gauss , purify::kernels::box , purify::kernels::pswf ,   purify::kernels::kbmin , purify::kernels::gauss_alt , purify::kernels::kb_presample }

Functions
t_real	purify::kernels::kaiser_bessel (const t_real x, const t_real J)
	Kaiser-Bessel kernel. More...
t_real	purify::kernels::kaiser_bessel_general (const t_real x, const t_real J, const t_real alpha)
	More general Kaiser-Bessel kernel. More...
t_real	purify::kernels::ft_kaiser_bessel_general (const t_real x, const t_real J, const t_real alpha)
	Fourier transform of more general Kaiser-Bessel kernel. More...
t_real	purify::kernels::ft_kaiser_bessel (const t_real x, const t_real J)
	Fourier transform of kaiser bessel kernel. More...
t_real	purify::kernels::gaussian (const t_real x, const t_real J)
	Gaussian kernel. More...
t_real	purify::kernels::ft_gaussian (const t_real x, const t_real J)
	Fourier transform of Gaussian kernel. More...
t_real	purify::kernels::calc_for_pswf (const t_real x, const t_real J, const t_real alpha)
	Calculates Horner's Rule the standard PSWF for radio astronomy, with a support of J = 6 and alpha = 1. More...
t_real	purify::kernels::pswf (const t_real x, const t_real J)
	PSWF kernel. More...
t_real	purify::kernels::ft_pswf (const t_real x, const t_real J)
	Fourier transform of PSWF kernel. More...
std::vector< t_real >	purify::kernels::kernel_samples (const t_int total_samples, const std::function< t_real(t_real)> kernelu)
	Calculates samples of a kernel. More...
t_real	purify::kernels::kernel_zero_interp (const std::vector< t_real > &samples, const t_real x, const t_real J)
	zeroth order interpolates from samples of kernel More...
t_real	purify::kernels::kernel_linear_interp (const Vector< t_real > &samples, const t_real x, const t_real J)
	linearly interpolates from samples of kernel More...
t_real	purify::kernels::pill_box (const t_real x, const t_real J)
	Box car function for kernel. More...
t_real	purify::kernels::ft_pill_box (const t_real x, const t_real J)
	Fourier transform of box car function, a Sinc function. More...
t_real	purify::kernels::gaussian_general (const t_real x, const t_real J, const t_real sigma)
	Fourier transform of general Gaussian kernel. More...
t_real	purify::kernels::ft_gaussian_general (const t_real x, const t_real J, const t_real sigma)
	Fourier transform of general Gaussian kernel. More...
std::tuple< std::function< t_real(t_real)>, std::function< t_real(t_real)>, std::function< t_real(t_real)>, std::function< t_real(t_real)> >	purify::create_kernels (const kernels::kernel kernel_name_, const t_uint Ju_, const t_uint Jv_, const t_real imsizey_, const t_real imsizex_, const t_real oversample_ratio)
std::tuple< std::function< t_real(t_real)>, std::function< t_real(t_real)> >	purify::create_radial_ftkernel (const kernels::kernel kernel_name_, const t_uint Ju_, const t_real oversample_ratio)

Variables
const std::map< std::string, kernel >	purify::kernels::kernel_from_string