1*26bd1501SBarry Smith #if !defined(PETSCDMDATYPES_H) 2*26bd1501SBarry 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 121e25c274SJed Brown .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 221e25c274SJed Brown .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 321e25c274SJed Brown .seealso: DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMCreateInterpolation(), DMDASetInterpolationType(), 331e25c274SJed Brown 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 431e25c274SJed Brown Concepts: distributed array 441e25c274SJed Brown 45d3187782SBarry Smith Fortran Notes - This should be declared as 46d3187782SBarry Smith $ DMDALocalInfo :: info(DMDA_LOCAL_INFO_SIZE) 47d3187782SBarry Smith and the entries accessed via 4857a8e1ddSBarry Smith $ info(DMDA_LOCAL_INFO_DIM) 4957a8e1ddSBarry Smith $ info(DMDA_LOCAL_INFO_DOF) etc. 50d3187782SBarry Smith The entries bx,by,bz, st, and da are not accessible from Fortran. 511e25c274SJed Brown 521e25c274SJed Brown .seealso: DMDACreate1d(), DMDACreate2d(), DMDACreate3d(), DMDestroy(), DM, DMDAGetLocalInfo(), DMDAGetInfo() 531e25c274SJed Brown S*/ 541e25c274SJed Brown typedef struct { 551e25c274SJed Brown PetscInt dim,dof,sw; 561e25c274SJed Brown PetscInt mx,my,mz; /* global number of grid points in each direction */ 571e25c274SJed Brown PetscInt xs,ys,zs; /* starting point of this processor, excluding ghosts */ 581e25c274SJed Brown PetscInt xm,ym,zm; /* number of grid points on this processor, excluding ghosts */ 591e25c274SJed Brown PetscInt gxs,gys,gzs; /* starting point of this processor including ghosts */ 601e25c274SJed Brown PetscInt gxm,gym,gzm; /* number of grid points on this processor including ghosts */ 61bff4a2f0SMatthew G. Knepley DMBoundaryType bx,by,bz; /* type of ghost nodes at boundary */ 621e25c274SJed Brown DMDAStencilType st; 631e25c274SJed Brown DM da; 641e25c274SJed Brown } DMDALocalInfo; 651e25c274SJed Brown 661e25c274SJed Brown #endif 67