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 0x202020 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 KSPPrintMethods(char *,char *); 19 20 extern int KSPCreate(KSP *); 21 extern int KSPSetMethod(KSP,KSPMETHOD); 22 extern int KSPSetUp(KSP); 23 extern int KSPSolve(KSP,int *); 24 extern int KSPDestroy(KSP); 25 26 extern int KSPRegisterAll(); 27 extern int KSPRegister(KSPMETHOD,char *,int (*)(KSP)); 28 29 extern int KSPGetMethodName(KSPMETHOD,char **); 30 extern int KSPGetWorkCounts(KSP,int*,int*,int*,int*,int*); 31 extern int KSPClearWorkCounts(KSP); 32 33 extern int KSPSetIterations(KSP,int); 34 extern int KSPSetRightPreconditioner(KSP); 35 extern int KSPGetPreconditionerSide(KSP,int *); 36 extern int KSPGetMethodFromContext(KSP,KSPMETHOD *); 37 extern int KSPGetMethodFromOptions(KSP,KSPMETHOD *); 38 extern int KSPSetRelativeTolerance(KSP,double); 39 extern int KSPSetAbsoluteTolerance(KSP,double); 40 extern int KSPSetDivergenceTolerance(KSP,double); 41 extern int KSPSetCalculateResidual(KSP); 42 extern int KSPSetDoNotCalculateResidual(KSP); 43 extern int KSPSetUsePreconditionedResidual(KSP); 44 extern int KSPSetInitialGuessNonZero(KSP); 45 extern int KSPSetCalculateEigenvalues(KSP); 46 extern int KSPSetRhs(KSP,Vec); 47 extern int KSPGetRhs(KSP,Vec *); 48 extern int KSPSetSolution(KSP,Vec); 49 extern int KSPGetSolution(KSP,Vec *); 50 51 extern int KSPSetAmult(KSP,Mat); 52 extern int KSPGetAmult(KSP,Mat *); 53 extern int KSPSetBinv(KSP,PC); 54 extern int KSPGetBinv(KSP,PC*); 55 56 extern int KSPSetMonitor(KSP,int (*)(KSP,int,double, void*), void *); 57 extern int KSPGetMonitorContext(KSP,void **); 58 extern int KSPSetResidualHistory(KSP, double *,int); 59 extern int KSPSetConvergenceTest(KSP,int (*)(KSP,int,double, void*), void *); 60 extern int KSPGetConvergenceContext(KSP,void **); 61 62 extern int KSPBuildSolution(KSP, Vec,Vec *); 63 extern int KSPBuildResidual(KSP, Vec, Vec,Vec *); 64 65 extern int KSPRichardsonSetScale(KSP , double); 66 extern int KSPChebychevSetEigenvalues(KSP , double, double); 67 extern int KSPCGGetEigenvalues(KSP, int n,double*,double*); 68 extern int KSPGMRESSetRestart(KSP, int); 69 extern int KSPSetFromOptions(KSP); 70 71 extern int KSPDefaultCGMonitor(KSP,int,double, void * ); 72 extern int KSPDefaultCGConverged(KSP,int,double, void *); 73 extern int KSPDefaultMonitor(KSP,int,double, void *); 74 extern int KSPLineGraphMonitor(KSP,int,double, void *); 75 extern int KSPDefaultConverged(KSP,int,double, void *); 76 77 extern int KSPPrintHelp(KSP); 78 79 extern int KSPSetOptionsPrefix(KSP,char*); 80 81 extern int KSPView(KSP,Viewer); 82 83 #if defined(__DRAW_PACKAGE) 84 extern int KSPLGMonitorCreate(char*,char*,int,int,int,int,DrawLGCtx*); 85 extern int KSPLGMonitor(KSP,int,double,void*); 86 extern int KSPLGMonitorDestroy(DrawLGCtx); 87 #endif 88 89 #endif 90 91 92