madness::BandlimitedPropagator Class Reference

Class to evaluate the filtered Schrodinger free-particle propagator in real space. More...

Collaboration diagram for madness::BandlimitedPropagator:

Public Types
typedef double_complex	returnT

Public Member Functions
	BandlimitedPropagator (double c, double t, double width)
Level	natural_level () const
std::complex< double >	operator() (double x) const

Static Public Member Functions
static void	plot ()
static void	test ()

Private Member Functions
double_complex	g0_filtered (double k, double c, double t)

Private Attributes
CubicInterpolationTable< double_complex >	fit
double	width
double	xmax

Detailed Description

Class to evaluate the filtered Schrodinger free-particle propagator in real space.

Follows the corresponding Maple worksheet and the implementation notes.

Member Typedef Documentation

returnT

typedef double_complex madness::BandlimitedPropagator::returnT

Constructor & Destructor Documentation

BandlimitedPropagator()

madness::BandlimitedPropagator::BandlimitedPropagator ( double c, double t, double width )

inline

References madness::abs(), std::abs(), c, e(), fit, madness::FunctionDefaults< NDIM >::k, g0_filtered(), CFFT::Inverse(), madness::kmax, MADNESS_ASSERT, N, madness::constants::pi, width, and xmax.

Referenced by plot(), and test().

Member Function Documentation

g0_filtered()

double_complex madness::BandlimitedPropagator::g0_filtered ( double k, double c, double t )

inlineprivate

References madness::arg(), c, madness::FunctionDefaults< NDIM >::k, and pow().

Referenced by BandlimitedPropagator().

natural_level()

Level madness::BandlimitedPropagator::natural_level ( ) const

inline

operator()()

std::complex< double > madness::BandlimitedPropagator::operator() ( double x ) const

inline

References fit, width, and xmax.

plot()

void madness::BandlimitedPropagator::plot ( )

inlinestatic

References BandlimitedPropagator(), c, madness::Future< void >::value, madness::print(), tcrit, test(), and width.

Referenced by madness::bandlimited_propagator_plot().

test()

void madness::BandlimitedPropagator::test ( )

inlinestatic

References BandlimitedPropagator(), std::abs(), and e().

Referenced by plot().

Member Data Documentation

fit

CubicInterpolationTable<double_complex> madness::BandlimitedPropagator::fit

private

Referenced by BandlimitedPropagator(), and operator()().

width

double madness::BandlimitedPropagator::width

private

Referenced by BandlimitedPropagator(), operator()(), and plot().

xmax

double madness::BandlimitedPropagator::xmax

private

Referenced by BandlimitedPropagator(), and operator()().

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The documentation for this class was generated from the following file:

• qmprop.cc