1 2 #ifndef __KSP_PACKAGE 3 #define __KSP_PACKAGE 4 #include "petsc.h" 5 #include "vec.h" 6 #include "mat.h" 7 #include "pc.h" 8 9 #define KSP_COOKIE PETSC_COOKIE+8 10 11 typedef struct _KSP* KSP; 12 13 /* Possible Krylov Space Methods */ 14 typedef enum { KSPRICHARDSON, KSPCHEBYCHEV, KSPCG, KSPGMRES, 15 KSPTCQMR, KSPBCGS, KSPCGS, KSPTFQMR, KSPCR, KSPLSQR, 16 KSPPREONLY } KSPMethod; 17 18 extern int KSPCreate(MPI_Comm,KSP *); 19 extern int KSPSetMethod(KSP,KSPMethod); 20 extern int KSPSetUp(KSP); 21 extern int KSPSolve(KSP,int *); 22 extern int KSPDestroy(KSP); 23 24 extern int KSPRegisterAll(); 25 extern int KSPRegisterDestroy(); 26 extern int KSPRegister(KSPMethod,char *,int (*)(KSP)); 27 28 extern int KSPGetMethodName(KSPMethod,char **); 29 extern int KSPSetMaxIterations(KSP,int); 30 extern int KSPSetRightPreconditioner(KSP); 31 extern int KSPGetPreconditionerSide(KSP,int *); 32 extern int KSPGetMethodFromContext(KSP,KSPMethod *); 33 extern int KSPSetRelativeTolerance(KSP,double); 34 extern int KSPSetAbsoluteTolerance(KSP,double); 35 extern int KSPSetDivergenceTolerance(KSP,double); 36 extern int KSPGetTolerances(KSP,double*,double*,double*); 37 extern int KSPSetCalculateResidual(KSP,PetscTruth); 38 extern int KSPSetUsePreconditionedResidual(KSP); 39 extern int KSPSetInitialGuessNonzero(KSP); 40 extern int KSPSetCalculateEigenvalues(KSP); 41 extern int KSPSetRhs(KSP,Vec); 42 extern int KSPGetRhs(KSP,Vec *); 43 extern int KSPSetSolution(KSP,Vec); 44 extern int KSPGetSolution(KSP,Vec *); 45 46 extern int KSPSetBinv(KSP,PC); 47 extern int KSPGetBinv(KSP,PC*); 48 49 extern int KSPSetMonitor(KSP,int (*)(KSP,int,double, void*), void *); 50 extern int KSPGetMonitorContext(KSP,void **); 51 extern int KSPSetResidualHistory(KSP, double *,int); 52 extern int KSPSetConvergenceTest(KSP,int (*)(KSP,int,double, void*), void *); 53 extern int KSPGetConvergenceContext(KSP,void **); 54 55 extern int KSPBuildSolution(KSP, Vec,Vec *); 56 extern int KSPBuildResidual(KSP, Vec, Vec,Vec *); 57 58 extern int KSPRichardsonSetScale(KSP , double); 59 extern int KSPChebychevSetEigenvalues(KSP , double, double); 60 extern int KSPCGGetEigenvalues(KSP, int n,double*,double*); 61 extern int KSPGMRESSetRestart(KSP, int); 62 extern int KSPGMRESSetUseUnmodifiedGrammSchmidt(KSP); 63 extern int KSPSetFromOptions(KSP); 64 65 extern int KSPDefaultCGMonitor(KSP,int,double, void * ); 66 extern int KSPDefaultCGConverged(KSP,int,double, void *); 67 extern int KSPDefaultMonitor(KSP,int,double, void *); 68 extern int KSPDefaultConverged(KSP,int,double, void *); 69 70 extern int KSPPrintHelp(KSP); 71 72 extern int KSPSetOptionsPrefix(KSP,char*); 73 74 extern int KSPView(KSP,Viewer); 75 76 #if defined(__DRAW_PACKAGE) 77 extern int KSPLGMonitorCreate(char*,char*,int,int,int,int,DrawLGCtx*); 78 extern int KSPLGMonitor(KSP,int,double,void*); 79 extern int KSPLGMonitorDestroy(DrawLGCtx); 80 #endif 81 82 #endif 83 84 85