1 /* $Id: ksp.h,v 1.22 1995/08/14 16:49:17 curfman Exp bsmith $ */ 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, KSPQCG } 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 KSPSetRightPreconditioner(KSP); 31 extern int KSPGetPreconditionerSide(KSP,int *); 32 extern int KSPGetMethodFromContext(KSP,KSPMethod *); 33 extern int KSPGetTolerances(KSP,double*,double*,double*,int*); 34 extern int KSPSetTolerances(KSP,double,double,double,int); 35 extern int KSPSetCalculateResidual(KSP,PetscTruth); 36 extern int KSPSetUsePreconditionedResidual(KSP); 37 extern int KSPSetInitialGuessNonzero(KSP); 38 extern int KSPSetCalculateEigenvalues(KSP); 39 extern int KSPSetRhs(KSP,Vec); 40 extern int KSPGetRhs(KSP,Vec *); 41 extern int KSPSetSolution(KSP,Vec); 42 extern int KSPGetSolution(KSP,Vec *); 43 44 extern int KSPSetBinv(KSP,PC); 45 extern int KSPGetBinv(KSP,PC*); 46 47 extern int KSPSetMonitor(KSP,int (*)(KSP,int,double, void*), void *); 48 extern int KSPGetMonitorContext(KSP,void **); 49 extern int KSPSetResidualHistory(KSP, double *,int); 50 extern int KSPSetConvergenceTest(KSP,int (*)(KSP,int,double, void*), void *); 51 extern int KSPGetConvergenceContext(KSP,void **); 52 53 extern int KSPBuildSolution(KSP, Vec,Vec *); 54 extern int KSPBuildResidual(KSP, Vec, Vec,Vec *); 55 56 extern int KSPRichardsonSetScale(KSP , double); 57 extern int KSPChebychevSetEigenvalues(KSP , double, double); 58 extern int KSPCGGetEigenvalues(KSP, int n,double*,double*); 59 extern int KSPGMRESSetRestart(KSP, int); 60 extern int KSPGMRESSetUseUnmodifiedGramSchmidt(KSP); 61 extern int KSPSetFromOptions(KSP); 62 63 extern int KSPCGDefaultMonitor(KSP,int,double, void * ); 64 extern int KSPCGDefaultConverged(KSP,int,double, void *); 65 extern int KSPDefaultMonitor(KSP,int,double, void *); 66 extern int KSPDefaultSMonitor(KSP,int,double, void *); 67 extern int KSPDefaultConverged(KSP,int,double, void *); 68 69 extern int KSPResidual(KSP,Vec,Vec,Vec,Vec,Vec,Vec); 70 extern int KSPUnwindPre(KSP,Vec,Vec); 71 extern int KSPDefaultBuildSolution(KSP,Vec,Vec*); 72 extern int KSPDefaultBuildResidual(KSP,Vec,Vec,Vec *); 73 74 extern int KSPPrintHelp(KSP); 75 76 extern int KSPSetOptionsPrefix(KSP,char*); 77 78 extern int KSPView(KSP,Viewer); 79 80 #if defined(__DRAW_PACKAGE) 81 extern int KSPLGMonitorCreate(char*,char*,int,int,int,int,DrawLGCtx*); 82 extern int KSPLGMonitor(KSP,int,double,void*); 83 extern int KSPLGMonitorDestroy(DrawLGCtx); 84 #endif 85 86 #endif 87 88 89