1 /* $Id: ts.h,v 1.9 1996/09/30 20:52:45 bsmith Exp bsmith $ */ 2 /* 3 User interface for the timestepping 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,double,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,double); 30 extern int TSPrintHelp(TS); 31 32 extern int TSDefaultMonitor(TS,int,double,Vec,void*); 33 extern int TSStep(TS,int *,double*); 34 35 extern int TSSetInitialTimeStep(TS,double,double); 36 extern int TSGetTimeStep(TS,double*); 37 extern int TSGetTimeStepNumber(TS,int*); 38 extern int TSSetTimeStep(TS,double); 39 40 extern int TSSetRHSFunction(TS,int (*)(TS,double,Vec,Vec,void*),void*); 41 extern int TSSetRHSMatrix(TS,Mat,Mat,int (*)(TS,double,Mat*,Mat*,MatStructure*,void*),void*); 42 extern int TSSetRHSJacobian(TS,Mat,Mat,int(*)(TS,double,Vec,Mat*,Mat*,MatStructure*,void*),void*); 43 44 extern int TSPseudoSetTimeStep(TS,int(*)(TS,double*,void*),void*); 45 extern int TSPseudoDefaultTimeStep(TS,double*,void* ); 46 extern int TSPseudoComputeTimeStep(TS,double *); 47 48 extern int TSPseudoSetVerifyTimeStep(TS,int(*)(TS,Vec,void*,double*,int*),void*); 49 extern int TSPseudoDefaultVerifyTimeStep(TS,Vec,void*,double*,int*); 50 extern int TSPseudoVerifyTimeStep(TS,Vec,double*,int*); 51 extern int TSPseudoSetTimeStepIncrement(TS,double); 52 53 extern int TSComputeRHSFunction(TS,double,Vec,Vec); 54 55 extern int TSRegisterAll(); 56 extern int TSRegister(int,char*,int (*)(TS)); 57 58 extern int TSGetSNES(TS,SNES*); 59 extern int TSGetSLES(TS,SLES*); 60 61 extern int TSView(TS,Viewer); 62 63 extern int TSSetApplicationContext(TS,void *); 64 extern int TSGetApplicationContext(TS,void **); 65 66 #endif 67 68 69 70 71 72