137045ce4SJed Brown /* 237045ce4SJed Brown Common tools for constructing discretizations 337045ce4SJed Brown */ 437045ce4SJed Brown #if !defined(__PETSCDT_H) 537045ce4SJed Brown #define __PETSCDT_H 637045ce4SJed Brown 737045ce4SJed Brown #include <petscsys.h> 837045ce4SJed Brown 9*21454ff5SMatthew G. Knepley /*S 10*21454ff5SMatthew G. Knepley PetscQuadrature - Quadrature rule for integration. 11*21454ff5SMatthew G. Knepley 12*21454ff5SMatthew G. Knepley Level: developer 13*21454ff5SMatthew G. Knepley 14*21454ff5SMatthew G. Knepley .seealso: PetscQuadratureCreate(), PetscQuadratureDestroy() 15*21454ff5SMatthew G. Knepley S*/ 16*21454ff5SMatthew G. Knepley typedef struct _p_PetscQuadrature *PetscQuadrature; 17*21454ff5SMatthew G. Knepley 18*21454ff5SMatthew G. Knepley PETSC_EXTERN PetscErrorCode PetscQuadratureCreate(MPI_Comm, PetscQuadrature *); 19*21454ff5SMatthew G. Knepley PETSC_EXTERN PetscErrorCode PetscQuadratureGetData(PetscQuadrature, PetscInt*, PetscInt*, const PetscReal *[], const PetscReal *[]); 20*21454ff5SMatthew G. Knepley PETSC_EXTERN PetscErrorCode PetscQuadratureSetData(PetscQuadrature, PetscInt, PetscInt, const PetscReal [], const PetscReal []); 21*21454ff5SMatthew G. Knepley PETSC_EXTERN PetscErrorCode PetscQuadratureView(PetscQuadrature, PetscViewer); 22*21454ff5SMatthew G. Knepley PETSC_EXTERN PetscErrorCode PetscQuadratureDestroy(PetscQuadrature *); 23a0845e3aSMatthew G. Knepley 24a0845e3aSMatthew G. Knepley typedef struct { 25f1ea0e2fSMatthew G. Knepley PetscReal *v0, *n, *J, *invJ, *detJ; 26a0845e3aSMatthew G. Knepley } PetscCellGeometry; 27a0845e3aSMatthew G. Knepley 2837045ce4SJed Brown PETSC_EXTERN PetscErrorCode PetscDTLegendreEval(PetscInt,const PetscReal*,PetscInt,const PetscInt*,PetscReal*,PetscReal*,PetscReal*); 2937045ce4SJed Brown PETSC_EXTERN PetscErrorCode PetscDTGaussQuadrature(PetscInt,PetscReal,PetscReal,PetscReal*,PetscReal*); 30194825f6SJed Brown PETSC_EXTERN PetscErrorCode PetscDTReconstructPoly(PetscInt,PetscInt,const PetscReal*,PetscInt,const PetscReal*,PetscReal*); 31a0845e3aSMatthew G. Knepley PETSC_EXTERN PetscErrorCode PetscDTGaussJacobiQuadrature(PetscInt,PetscInt,PetscReal,PetscReal,PetscQuadrature*); 3237045ce4SJed Brown 3337045ce4SJed Brown #endif 34