m_a2_interp Module Reference

This module contains routines related to interpolation, which can interpolate 'to' the grid and 'from' the grid (useful for e.g. particle simulations). The interpolation for meshes is called prolongation, see m_aX_prolong. More...

Functions/Subroutines
real(dp) function, dimension(n_var), public	a2_interp0 (tree, rr, ivs, n_var)
	Using zeroth order interpolation to get a value at r in cell. More...
real(dp) function, dimension(n_var), public	a2_interp1 (tree, r, ivs, n_var, id_guess)
	Using linear interpolation to get a value at r. More...
subroutine, public	a2_interp0_to_grid (tree, rr, iv, amount, to_density)
	Add 'amount' to the grid cell nearest to rr. More...

Detailed Description

This module contains routines related to interpolation, which can interpolate 'to' the grid and 'from' the grid (useful for e.g. particle simulations). The interpolation for meshes is called prolongation, see m_aX_prolong.

Function/Subroutine Documentation

a2_interp0()

real(dp) function, dimension(n_var), public m_a2_interp::a2_interp0	(	type(a2_t), intent(in)	tree,
		real(dp), dimension(2), intent(in)	rr,
		integer, dimension(n_var), intent(in)	ivs,
		integer, intent(in)	n_var
	)

Using zeroth order interpolation to get a value at r in cell.

Parameters

[in]	tree	Parent box
[in]	rr	Where to interpolate
[in]	n_var	Number of variables
[in]	ivs	Variables to interpolate

Definition at line 19 of file m_a2_interp.f90.

a2_interp1()

real(dp) function, dimension(n_var), public m_a2_interp::a2_interp1	(	type(a2_t), intent(in)	tree,
		real(dp), dimension(2), intent(in)	r,
		integer, dimension(n_var), intent(in)	ivs,
		integer, intent(in)	n_var,
		integer, intent(in), optional	id_guess
	)

Using linear interpolation to get a value at r.

Parameters

[in]	tree	Parent box
[in]	r	Where to interpolate
[in]	n_var	Number of variables
[in]	ivs	Variables to interpolate
[in]	id_guess	Guess for box id

Definition at line 39 of file m_a2_interp.f90.

a2_interp0_to_grid()

subroutine, public m_a2_interp::a2_interp0_to_grid	(	type(a2_t), intent(inout)	tree,
		real(dp), dimension(2), intent(in)	rr,
		integer, intent(in)	iv,
		real(dp), intent(in)	amount,
		logical, intent(in)	to_density
	)

Add 'amount' to the grid cell nearest to rr.

Parameters

[in]	iv	Index of variable
[in]	rr	Location
[in]	amount	How much to add
[in]	to_density	If true, divide by cell volume

Todo:

Support cylindrical coordinates

Definition at line 80 of file m_a2_interp.f90.