SphericalBesselTransformTest Class Reference

Inheritance diagram for SphericalBesselTransformTest:

Collaboration diagram for SphericalBesselTransformTest:

Protected Member Functions
void	SetUp ()
	Allocates buffers.
void	TearDown ()
	Deallocates buffers.

Static Protected Member Functions
static double	max_diff (int sz, const double *arr1, const double *arr2)
	Gets the maximum absolute element-wise difference between two arrays.

Protected Attributes
const int	sz_max = 10000
	size of each buffer
double *	buffer = nullptr
	buffer for all arrays below
double *	f = nullptr
	input array
double *	g = nullptr
	output array
double *	g_ref = nullptr
	reference array
double *	grid_in = nullptr
	input grid
double *	grid_out = nullptr
	output grid
const double	tol = 1e-9
	tolerance for element-wise numerical error

Detailed Description

Tested functions:

• radrfft
  • Performs a spherical Bessel transform via fast Fourier transforms.
• direct
  • Performs a spherical Bessel transform via quadrature using the Simpson's rule.
• set_fftw_plan_flag
  • Sets the planner flag for FFTW plan creation.

Member Function Documentation

max_diff()

double SphericalBesselTransformTest::max_diff ( int  sz, const double *  arr1, const double *  arr2  )

staticprotected

Gets the maximum absolute element-wise difference between two arrays.

SetUp()

void SphericalBesselTransformTest::SetUp ( )

protected

Allocates buffers.

TearDown()

void SphericalBesselTransformTest::TearDown ( )

protected

Deallocates buffers.

Member Data Documentation

buffer

double* SphericalBesselTransformTest::buffer = nullptr

protected

buffer for all arrays below

f

double* SphericalBesselTransformTest::f = nullptr

protected

input array

g

double* SphericalBesselTransformTest::g = nullptr

protected

output array

g_ref

double* SphericalBesselTransformTest::g_ref = nullptr

protected

reference array

grid_in

double* SphericalBesselTransformTest::grid_in = nullptr

protected

input grid

grid_out

double* SphericalBesselTransformTest::grid_out = nullptr

protected

output grid

sz_max

const int SphericalBesselTransformTest::sz_max = 10000

protected

size of each buffer

tol

const double SphericalBesselTransformTest::tol = 1e-9

protected

tolerance for element-wise numerical error

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

• /home/runner/work/abacus-develop/abacus-develop/source/source_base/test/spherical_bessel_transformer_test.cpp