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 typedef struct _KSP* KSP; 10 11 /* Possible Krylov Space Methods */ 12 typedef enum { KSPRICHARDSON, KSPCHEBYCHEV, KSPCG, KSPGMRES, 13 KSPTCQMR, KSPBCGS, KSPCGS, KSPTFQMR, KSPCR, KSPLSQR, 14 KSPPREONLY } KSPMETHOD; 15 16 extern int KSPPrintMethods(char *,char *); 17 18 extern int KSPCreate(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 KSPRegister(KSPMETHOD,char *,int (*)(KSP)); 26 27 extern int KSPGetMethodName(KSPMETHOD,char **); 28 extern int KSPGetWorkCounts(KSP,int*,int*,int*,int*,int*); 29 extern int KSPClearWorkCounts(KSP); 30 31 extern int KSPSetIterations(KSP,int); 32 extern int KSPSetRightPreconditioner(KSP); 33 extern int KSPGetPreconditionerSide(KSP,int *); 34 extern int KSPGetMethodFromContext(KSP,KSPMETHOD *); 35 extern int KSPGetMethodFromOptions(KSP,KSPMETHOD *); 36 extern int KSPSetRelativeTolerance(KSP,double); 37 extern int KSPSetAbsoluteTolerance(KSP,double); 38 extern int KSPSetDivergenceTolerance(KSP,double); 39 extern int KSPSetCalculateResidual(KSP); 40 extern int KSPSetDoNotCalculateResidual(KSP); 41 extern int KSPSetUsePreconditionedResidual(KSP); 42 extern int KSPSetInitialGuessNonZero(KSP); 43 extern int KSPSetCalculateEigenvalues(KSP); 44 extern int KSPSetRhs(KSP,Vec); 45 extern int KSPGetRhs(KSP,Vec *); 46 extern int KSPSetSolution(KSP,Vec); 47 extern int KSPGetSolution(KSP,Vec *); 48 49 extern int KSPSetAmult(KSP,Mat); 50 extern int KSPGetAmult(KSP,Mat *); 51 extern int KSPSetBinv(KSP,PC); 52 extern int KSPGetBinv(KSP,PC*); 53 54 extern int KSPSetMonitor(KSP,int (*)(KSP,int,double, void*), void *); 55 extern int KSPGetMonitorContext(KSP,void **); 56 extern int KSPSetResidualHistory(KSP, double *,int); 57 extern int KSPSetConvergenceTest(KSP,int (*)(KSP,int,double, void*), void *); 58 extern int KSPGetConvergenceContext(KSP,void **); 59 60 extern int KSPBuildSolution(KSP, Vec,Vec *); 61 extern int KSPBuildResidual(KSP, Vec, Vec,Vec *); 62 63 extern int KSPRichardsonSetScale(KSP , double); 64 extern int KSPChebychevSetEigenvalues(KSP , double, double); 65 extern int KSPCGGetEigenvalues(KSP, int n,double*,double*); 66 extern int KSPGMRESSetRestart(KSP, int); 67 extern int KSPSetFromOptions(KSP); 68 69 extern int KSPDefaultCGMonitor(KSP,int,double, void * ); 70 extern int KSPDefaultCGConverged(KSP,int,double, void *); 71 extern int KSPDefaultMonitor(KSP,int,double, void *); 72 extern int KSPLineGraphMonitor(KSP,int,double, void *); 73 extern int KSPDefaultConverged(KSP,int,double, void *); 74 75 extern int KSPPrintHelp(KSP); 76 77 extern int KSPSetOptionsPrefix(KSP,char*); 78 79 extern int KSPView(KSP,Viewer); 80 81 #if defined(__DRAW_PACKAGE) 82 extern int KSPLGMonitorCreate(char*,char*,int,int,int,int,DrawLGCtx*); 83 extern int KSPLGMonitor(KSP,int,double,void*); 84 extern int KSPLGMonitorDestroy(DrawLGCtx); 85 #endif 86 87 #endif 88 89 90