Chombo + EB  3.2
Macros | Functions
LoHiCenter.H File Reference
#include "Box.H"
#include "ProblemDomain.H"
#include "NamespaceHeader.H"
#include "NamespaceFooter.H"
Include dependency graph for LoHiCenter.H:

Go to the source code of this file.

Macros

#define _LOHICENTER_H_
 

Functions

void loHiCenter (Box &a_loBox, int &a_hasLo, Box &a_hiBox, int &a_hasHi, Box &a_centerBox, Box &a_entireBox, const Box &a_inBox, const ProblemDomain &a_domain, const int &a_dir)
 
void loHiCenterFace (Box &a_loBox, int &a_hasLo, Box &a_hiBox, int &a_hasHi, Box &a_centerBox, Box &a_entireBox, const Box &a_inBox, const ProblemDomain &a_domain, const int &a_dir)
 
void loHiCenterFace4 (Box &a_loBox, Box &a_nextLoBox, int &a_hasLo, Box &a_hiBox, Box &a_nextHiBox, int &a_hasHi, Box &a_centerBox, Box &a_innerCenterBox, Box &a_entireBox, const Box &a_inBox, const ProblemDomain &a_domain, const int &a_dir)
 
void loHiCenter5 (Box &a_loBox, Box &a_nextLoBox, int &a_hasLo, Box &a_hiBox, Box &a_nextHiBox, int &a_hasHi, Box &a_centerBox, Box &a_innerCenterBox, Box &a_entireBox, const Box &a_inBox, const ProblemDomain &a_domain, const int &a_dir)
 
void loHiCenterFace6 (Box &a_farLoBox, Box &a_midLoBox, Box &a_nearLoBox, int &a_hasLo, Box &a_farHiBox, Box &a_midHiBox, Box &a_nearHiBox, int &a_hasHi, Box &a_centerBox, Box &a_midCenterBox, Box &a_innerCenterBox, Box &a_entireBox, const Box &a_inBox, const ProblemDomain &a_domain, const int &a_dir)
 

Macro Definition Documentation

#define _LOHICENTER_H_

Function Documentation

void loHiCenter ( Box a_loBox,
int &  a_hasLo,
Box a_hiBox,
int &  a_hasHi,
Box a_centerBox,
Box a_entireBox,
const Box a_inBox,
const ProblemDomain a_domain,
const int &  a_dir 
)

This function is used when in direction a_dir a 3-point stencil of cell-centered data is being used to compute something at the center of the central cell of the stencil.

Inputs: a_dir is the direction of the 3-point stencil; a_inBox is the cell-centered box on which we are to compute a stencil (2-point or 3-point), expanded by 1 in a_dir direction, and not intersected with the domain; a_domain is the problem domain.

Output boxes are all cell-centered subboxes of a_inBox and are also contained in a_domain: a_loBox is where a 2-point stencil must be used on the low side; a_centerBox is where the full 3-point stencil can be used; a_hiBox is where a 2-point stencil must be used on the high side; a_entireBox is the union of a_loBox and a_centerBox and a_hiBox.

The boxes a_loBox and a_hiBox will be at most 1 cell wide; here the 2-point stencil consists of a cell from this box and the neighboring cell from a_centerBox in direction a_dir.

a_entireBox will be a_inBox with one layer of cells removed from both sides in dimension a_dir.

Output flags: a_hasLo: 1 or 0, according to whether a_loBox is defined or not; a_hasHi: 1 or 0, according to whether a_hiBox is defined or not.

void loHiCenterFace ( Box a_loBox,
int &  a_hasLo,
Box a_hiBox,
int &  a_hasHi,
Box a_centerBox,
Box a_entireBox,
const Box a_inBox,
const ProblemDomain a_domain,
const int &  a_dir 
)

This function is used when in direction a_dir a 2-point stencil of cell-centered data is being used to compute something at the face between cells of the stencil.

Inputs: a_dir is the direction of the 2-point stencil; a_inBox is the cell-centered box (on whose faces we are to compute a stencil), expanded by 1 in a_dir direction, and not intersected with the domain. a_domain is the problem domain.

Output boxes are all face-centered subboxes of the faces of a_inBox in direction a_dir, and are also contained in the faces of a_domain: a_loBox is where a 1-point stencil must be used on the low side; a_centerBox is where the full 2-point stencil can be used; a_hiBox is where a 1-point stencil must be used on the high side; a_entireBox is the union of a_loBox and a_centerBox and a_hiBox.

The boxes a_loBox and a_hiBox will be at most 1 face wide; here the 1-point stencil consists of only 1 of the adjacent cells in direction a_dir.

Output flags: a_hasLo: 1 or 0, according to whether a_loBox is defined or not; a_hasHi: 1 or 0, according to whether a_hiBox is defined or not.

void loHiCenterFace4 ( Box a_loBox,
Box a_nextLoBox,
int &  a_hasLo,
Box a_hiBox,
Box a_nextHiBox,
int &  a_hasHi,
Box a_centerBox,
Box a_innerCenterBox,
Box a_entireBox,
const Box a_inBox,
const ProblemDomain a_domain,
const int &  a_dir 
)

This function is used when in direction a_dir a 4-point stencil of cell-centered data is being used to compute something at the face between cells of the stencil.

Inputs: a_dir is the direction of the 4-point stencil; a_inBox is the cell-centered box on which we have data; a_domain is the problem domain.

Output boxes are all face-centered subboxes of the faces of a_inBox in direction a_dir, and are also contained in the faces of a_domain: a_loBox is where a stencil must be used on the low side with all four points higher; a_nextLoBox is where a stencil must be used on the low side with one point lower and three points higher; a_hiBox is where a stencil must be used on the high side with all four points lower; a_nextHiBox is where a stencil must be used on the high side with one point higher and three points lower; a_centerBox is union of a_innerCenterBox, a_nextLoBox, and a_nextHiBox, where the regular 2-point stencil can be used; a_innerCenterBox is where the regular 4-point stencil can be used; a_entireBox is the union of a_(lo|nextLo|center|hi|nextHi)Box.

Each of the boxes a_loBox, a_nextLoBox, a_hiBox, a_nextHiBox will be at most 1 face wide.

a_loBox and a_nextLoBox will both be defined or both be undefined. a_hiBox and a_nextHiBox will both be defined or both be undefined.

Output flags: a_hasLo: 1 or 0, according to whether a_loBox and a_nextLoBox are defined or not; a_hasHi: 1 or 0, according to whether a_hiBox and a_nextHiBox are defined or not.

void loHiCenter5 ( Box a_loBox,
Box a_nextLoBox,
int &  a_hasLo,
Box a_hiBox,
Box a_nextHiBox,
int &  a_hasHi,
Box a_centerBox,
Box a_innerCenterBox,
Box a_entireBox,
const Box a_inBox,
const ProblemDomain a_domain,
const int &  a_dir 
)

This function is used when in direction a_dir a 5-point stencil of cell-centered data is being used to compute something at the center of the central cell of the stencil.

Inputs: a_dir is the direction of the 5-point stencil; a_inBox is the cell-centered box on which we are to compute a stencil (2-point or 3-point or 5-point), expanded by 1 in a_dir direction, and not intersected with the domain; a_domain is the problem domain.

Output boxes are all cell-centered subboxes of a_inBox and are also contained in a_domain: a_loBox is where a 2-point stencil must be used on the low side; a_nextLoBox is where a 3-point stencil must be used on the low side with one point lower and three points higher; a_hiBox is where a 2-point stencil must be used on the high side; a_nextHiBox is where a 3-point stencil must be used on the high side with one point higher and three points lower; a_centerBox is union of a_innerCenterBox, a_nextLoBox, and a_nextHiBox, where a 3-point stencil may be used; a_innerCenterBox is where the regular 5-point stencil can be used; where a 5-point stencil may be used; a_entireBox is the union of a_(lo|nextLo|center|hi|nextHi)Box.

Each of the boxes a_loBox, a_nextLoBox, a_hiBox, a_nextHiBox will be at most 1 cell wide.

a_loBox and a_nextLoBox will both be defined or both be undefined. a_hiBox and a_nextHiBox will both be defined or both be undefined.

Output flags: a_hasLo: 1 or 0, according to whether a_loBox and a_nextLoBox are defined or not; a_hasHi: 1 or 0, according to whether a_hiBox and a_nextHiBox are defined or not.

void loHiCenterFace6 ( Box a_farLoBox,
Box a_midLoBox,
Box a_nearLoBox,
int &  a_hasLo,
Box a_farHiBox,
Box a_midHiBox,
Box a_nearHiBox,
int &  a_hasHi,
Box a_centerBox,
Box a_midCenterBox,
Box a_innerCenterBox,
Box a_entireBox,
const Box a_inBox,
const ProblemDomain a_domain,
const int &  a_dir 
)

This function is used when in direction a_dir a 6-point stencil of cell-centered data is being used to compute something at the face between cells of the stencil.

Inputs: a_dir is the direction of the 6-point stencil; a_inBox is the cell-centered box on which we have data; a_domain is the problem domain.

Output boxes are all face-centered subboxes of the faces of a_inBox in direction a_dir, and are also contained in the faces of a_domain: a_farLoBox is where a stencil must be used on the low side with all 6 points higher; a_midLoBox is where a stencil must be used on the low side with 1 point lower and 5 points higher; a_nearLoBox is where a stencil must be used on the low side with 2 points lower and 4 points higher; a_farHiBox is where a stencil must be used on the high side with all 6 points lower; a_midHiBox is where a stencil must be used on the high side with 1 point higher and 5 points lower; a_nearHiBox is where a stencil must be used on the high side with 2 points higher and 4 points lower; a_centerBox is union of a_innerCenterBox and a_near(Lo|Hi)Box, where the regular 2-point stencil can be used; a_midCenterBox is union of a_innerCenterBox, a_near(Lo|Hi)Box, and a_mid(Lo|Hi)Box, where the regular 4-point stencil can be used; a_innerCenterBox is where the regular 6-point stencil can be used; a_entireBox is union of a_(far|mid|near)(Lo|Hi)Box and a_innerCenterBox.

Each of the boxes a_(far|mid|near)(Lo|Hi)Box will be at most 1 face wide.

a_farLoBox, a_midLoBox, a_nearLoBox will all be defined or all be undefined. a_farHiBox, a_midHiBox, a_nearHiBox will all be defined or all be undefined.

Output flags: a_hasLo: 1 or 0, set to whether a_(far|mid|near)loBox defined or not; a_hasHi: 1 or 0, set to whether a_(far|mid|near)HiBox defined or not.