1 /* $Id: snes.h,v 1.17 1995/06/02 21:05:19 bsmith Exp $ */ 2 3 #ifndef __KSP_PACKAGE 4 #define __KSP_PACKAGE 5 #include "petsc.h" 6 #include "vec.h" 7 #include "mat.h" 8 #include "pc.h" 9 10 #define KSP_COOKIE PETSC_COOKIE+8 11 12 typedef struct _KSP* KSP; 13 14 /* Possible Krylov Space Methods */ 15 typedef enum { KSPRICHARDSON, KSPCHEBYCHEV, KSPCG, KSPGMRES, 16 KSPTCQMR, KSPBCGS, KSPCGS, KSPTFQMR, KSPCR, KSPLSQR, 17 KSPPREONLY } KSPMethod; 18 19 extern int KSPCreate(MPI_Comm,KSP *); 20 extern int KSPSetMethod(KSP,KSPMethod); 21 extern int KSPSetUp(KSP); 22 extern int KSPSolve(KSP,int *); 23 extern int KSPDestroy(KSP); 24 25 extern int KSPRegisterAll(); 26 extern int KSPRegisterDestroy(); 27 extern int KSPRegister(KSPMethod,char *,int (*)(KSP)); 28 29 extern int KSPGetMethodName(KSPMethod,char **); 30 extern int KSPSetMaxIterations(KSP,int); 31 extern int KSPSetRightPreconditioner(KSP); 32 extern int KSPGetPreconditionerSide(KSP,int *); 33 extern int KSPGetMethodFromContext(KSP,KSPMethod *); 34 extern int KSPSetRelativeTolerance(KSP,double); 35 extern int KSPSetAbsoluteTolerance(KSP,double); 36 extern int KSPSetDivergenceTolerance(KSP,double); 37 extern int KSPGetTolerances(KSP,double*,double*,double*); 38 extern int KSPSetCalculateResidual(KSP,PetscTruth); 39 extern int KSPSetUsePreconditionedResidual(KSP); 40 extern int KSPSetInitialGuessNonzero(KSP); 41 extern int KSPSetCalculateEigenvalues(KSP); 42 extern int KSPSetRhs(KSP,Vec); 43 extern int KSPGetRhs(KSP,Vec *); 44 extern int KSPSetSolution(KSP,Vec); 45 extern int KSPGetSolution(KSP,Vec *); 46 47 extern int KSPSetBinv(KSP,PC); 48 extern int KSPGetBinv(KSP,PC*); 49 50 extern int KSPSetMonitor(KSP,int (*)(KSP,int,double, void*), void *); 51 extern int KSPGetMonitorContext(KSP,void **); 52 extern int KSPSetResidualHistory(KSP, double *,int); 53 extern int KSPSetConvergenceTest(KSP,int (*)(KSP,int,double, void*), void *); 54 extern int KSPGetConvergenceContext(KSP,void **); 55 56 extern int KSPBuildSolution(KSP, Vec,Vec *); 57 extern int KSPBuildResidual(KSP, Vec, Vec,Vec *); 58 59 extern int KSPRichardsonSetScale(KSP , double); 60 extern int KSPChebychevSetEigenvalues(KSP , double, double); 61 extern int KSPCGGetEigenvalues(KSP, int n,double*,double*); 62 extern int KSPGMRESSetRestart(KSP, int); 63 extern int KSPGMRESSetUseUnmodifiedGrammSchmidt(KSP); 64 extern int KSPSetFromOptions(KSP); 65 66 extern int KSPDefaultCGMonitor(KSP,int,double, void * ); 67 extern int KSPDefaultCGConverged(KSP,int,double, void *); 68 extern int KSPDefaultMonitor(KSP,int,double, void *); 69 extern int KSPDefaultConverged(KSP,int,double, void *); 70 71 extern int KSPPrintHelp(KSP); 72 73 extern int KSPSetOptionsPrefix(KSP,char*); 74 75 extern int KSPView(KSP,Viewer); 76 77 #if defined(__DRAW_PACKAGE) 78 extern int KSPLGMonitorCreate(char*,char*,int,int,int,int,DrawLGCtx*); 79 extern int KSPLGMonitor(KSP,int,double,void*); 80 extern int KSPLGMonitorDestroy(DrawLGCtx); 81 #endif 82 83 #endif 84 85 86