1 /* $Id: ts.h,v 1.3 1996/03/08 05:49:06 bsmith Exp bsmith $ */ 2 /* 3 User interface for the time-stepping package. This is package 4 is for use in solving time dependent PDES. 5 */ 6 #if !defined(__TS_PACKAGE) 7 #define __TS_PACKAGE 8 #include "snes.h" 9 10 typedef struct _TS* TS; 11 #define TS_COOKIE PETSC_COOKIE+18 12 13 typedef enum { TS_EULER, TS_BEULER, TS_PSEUDO} TSType; 14 typedef enum { TS_LINEAR, TS_NONLINEAR} TSProblemType; 15 16 extern int TSCreate(MPI_Comm,TSProblemType,TS*); 17 extern int TSSetType(TS,TSType); 18 extern int TSDestroy(TS); 19 20 extern int TSSetMonitor(TS,int(*)(TS,int,Scalar,Vec,void*),void *); 21 extern int TSGetType(TS,TSType*,char**); 22 23 extern int TSSetFromOptions(TS); 24 extern int TSSetUp(TS); 25 26 extern int TSSetSolution(TS,Vec); 27 extern int TSGetSolution(TS,Vec*); 28 29 extern int TSSetDuration(TS,int,Scalar); 30 extern int TSPrintHelp(TS); 31 32 extern int TSDefaultMonitor(TS,int,Scalar,Vec,void*); 33 extern int TSStep(TS,int *,Scalar*); 34 35 extern int TSSetInitialTimeStep(TS,Scalar,Scalar); 36 extern int TSGetTimeStep(TS,Scalar *); 37 extern int TSSetTimeStep(TS,Scalar); 38 39 extern int TSSetRHSFunction(TS,int (*)(TS,Scalar,Vec,Vec,void*),void*); 40 extern int TSSetRHSMatrix(TS,Mat,Mat,int (*)(TS,Scalar,Mat*,Mat*,MatStructure*,void*),void*); 41 extern int TSSetRHSJacobian(TS,Mat,Mat,int(*)(TS,Scalar,Vec,Mat*,Mat*,MatStructure*,void*),void*); 42 43 extern int TSComputeRHSFunction(TS,Scalar,Vec,Vec); 44 45 extern int TSRegisterAll(); 46 extern int TSRegister(int,char*,int (*)(TS)); 47 48 extern int TSGetSNES(TS,SNES*); 49 extern int TSGetSLES(TS,SLES*); 50 51 #endif 52 53