mod_interpolation_weno_smoothness_indicator Module Reference

Interpolation WENO Smoothness indicator computation.

Functions/Subroutines
double precision function	compute_polynomial_smoothness_indicator (x, derivatives, a, b, start_from_n)
	Compute the smoothness indicator of the polynomial given its derivatives, at position x and in the interval [a,b] starting from a given derivative.
pure double precision function	compute_polynomial_smoothness_indicator_point (x, derivatives, a, b, start_from_n)
	Compute the smoothness indicator of the polynomial given its derivatives, at position x and in the interval [a,b] starting from a given derivative.
double precision function	compute_polynomial_smoothness_indicator_levelset (derivatives, a, b)
	Compute the smoothness indicator of the polynomial for levelset functions given its derivatives, at position x and in the interval [a,b].
double precision function	compute_polynomial_smoothness_indicator_2d3d (x, steps_x, steps_y, steps_z, values, a, b, start_from_n)
	Compute the smoothness indicator of the polynomial for 2D or 3D interpolants given its derivatives, at position x and in the interval [a,b] starting from a given derivative.

Function/Subroutine Documentation

compute_polynomial_smoothness_indicator_2d3d()

double precision function mod_interpolation_weno_smoothness_indicator::compute_polynomial_smoothness_indicator_2d3d	(	double precision, dimension(:), intent(in)	x,
		double precision, dimension(:), intent(in)	steps_x,
		double precision, dimension(:), intent(in)	steps_y,
		double precision, dimension(:), intent(in)	steps_z,
		double precision, dimension(:,:,:), intent(in)	values,
		double precision, dimension(:), intent(in)	a,
		double precision, dimension(:), intent(in)	b,
		integer, intent(in)	start_from_n )

Note

For now, compute a 2nd order approximation at midpoint

The values are the ones of the substencil