126bd1501SBarry Smith #if !defined(PETSCDMDATYPES_H) 226bd1501SBarry Smith #define PETSCDMDATYPES_H 31e25c274SJed Brown 41e25c274SJed Brown #include <petscdmtypes.h> 51e25c274SJed Brown 61e25c274SJed Brown /*E 71e25c274SJed Brown DMDAStencilType - Determines if the stencil extends only along the coordinate directions, or also 81e25c274SJed Brown to the northeast, northwest etc 91e25c274SJed Brown 101e25c274SJed Brown Level: beginner 111e25c274SJed Brown 12*db781477SPatrick Sanan .seealso: `DMDACreate1d()`, `DMDACreate2d()`, `DMDACreate3d()`, `DMDACreate()`, `DMDASetStencilType()` 131e25c274SJed Brown E*/ 141e25c274SJed Brown typedef enum { DMDA_STENCIL_STAR,DMDA_STENCIL_BOX } DMDAStencilType; 151e25c274SJed Brown 161e25c274SJed Brown /*E 171e25c274SJed Brown DMDAInterpolationType - Defines the type of interpolation that will be returned by 181e25c274SJed Brown DMCreateInterpolation. 191e25c274SJed Brown 201e25c274SJed Brown Level: beginner 211e25c274SJed Brown 22*db781477SPatrick Sanan .seealso: `DMDACreate1d()`, `DMDACreate2d()`, `DMDACreate3d()`, `DMCreateInterpolation()`, `DMDASetInterpolationType()`, `DMDACreate()` 231e25c274SJed Brown E*/ 241e25c274SJed Brown typedef enum { DMDA_Q0, DMDA_Q1 } DMDAInterpolationType; 251e25c274SJed Brown 261e25c274SJed Brown /*E 271e25c274SJed Brown DMDAElementType - Defines the type of elements that will be returned by 281e25c274SJed Brown DMDAGetElements() 291e25c274SJed Brown 301e25c274SJed Brown Level: beginner 311e25c274SJed Brown 32*db781477SPatrick Sanan .seealso: `DMDACreate1d()`, `DMDACreate2d()`, `DMDACreate3d()`, `DMCreateInterpolation()`, `DMDASetInterpolationType()`, 33*db781477SPatrick Sanan `DMDASetElementType()`, `DMDAGetElements()`, `DMDARestoreElements()`, `DMDACreate()` 341e25c274SJed Brown E*/ 351e25c274SJed Brown typedef enum { DMDA_ELEMENT_P1, DMDA_ELEMENT_Q1 } DMDAElementType; 361e25c274SJed Brown 371e25c274SJed Brown /*S 381e25c274SJed Brown DMDALocalInfo - C struct that contains information about a structured grid and a processors logical 391e25c274SJed Brown location in it. 401e25c274SJed Brown 411e25c274SJed Brown Level: beginner 421e25c274SJed Brown 43d3187782SBarry Smith Fortran Notes - This should be declared as 44d3187782SBarry Smith $ DMDALocalInfo :: info(DMDA_LOCAL_INFO_SIZE) 45d3187782SBarry Smith and the entries accessed via 4657a8e1ddSBarry Smith $ info(DMDA_LOCAL_INFO_DIM) 4757a8e1ddSBarry Smith $ info(DMDA_LOCAL_INFO_DOF) etc. 48d3187782SBarry Smith The entries bx,by,bz, st, and da are not accessible from Fortran. 491e25c274SJed Brown 50*db781477SPatrick Sanan .seealso: `DMDACreate1d()`, `DMDACreate2d()`, `DMDACreate3d()`, `DMDestroy()`, `DM`, `DMDAGetLocalInfo()`, `DMDAGetInfo()` 511e25c274SJed Brown S*/ 521e25c274SJed Brown typedef struct { 531e25c274SJed Brown PetscInt dim,dof,sw; 541e25c274SJed Brown PetscInt mx,my,mz; /* global number of grid points in each direction */ 551e25c274SJed Brown PetscInt xs,ys,zs; /* starting point of this processor, excluding ghosts */ 561e25c274SJed Brown PetscInt xm,ym,zm; /* number of grid points on this processor, excluding ghosts */ 571e25c274SJed Brown PetscInt gxs,gys,gzs; /* starting point of this processor including ghosts */ 581e25c274SJed Brown PetscInt gxm,gym,gzm; /* number of grid points on this processor including ghosts */ 59bff4a2f0SMatthew G. Knepley DMBoundaryType bx,by,bz; /* type of ghost nodes at boundary */ 601e25c274SJed Brown DMDAStencilType st; 611e25c274SJed Brown DM da; 621e25c274SJed Brown } DMDALocalInfo; 631e25c274SJed Brown 641e25c274SJed Brown #endif 65