1*90f02eecSBarry Smith /* $Id: ksp.h,v 1.46 1996/11/07 15:12:51 bsmith Exp bsmith $ */ 2f26ada1bSBarry Smith /* 3f26ada1bSBarry Smith Defines the interface functions for the Krylov subspace accelerators. 4f26ada1bSBarry Smith */ 52eac72dbSBarry Smith #ifndef __KSP_PACKAGE 62eac72dbSBarry Smith #define __KSP_PACKAGE 72eac72dbSBarry Smith #include "petsc.h" 82eac72dbSBarry Smith #include "vec.h" 9aabeff55SBarry Smith #include "mat.h" 10aabeff55SBarry Smith #include "pc.h" 112eac72dbSBarry Smith 129e25ed09SBarry Smith #define KSP_COOKIE PETSC_COOKIE+8 13f0479e8cSBarry Smith 142eac72dbSBarry Smith typedef struct _KSP* KSP; 152eac72dbSBarry Smith 16f26ada1bSBarry Smith typedef enum { KSPRICHARDSON, KSPCHEBYCHEV, KSPCG, KSPGMRES, KSPTCQMR, KSPBCGS, 174b0e389bSBarry Smith KSPCGS, KSPTFQMR, KSPCR, KSPLSQR, KSPPREONLY, KSPQCG} KSPType; 182eac72dbSBarry Smith 196b5873e3SBarry Smith extern int KSPCreate(MPI_Comm,KSP *); 204b0e389bSBarry Smith extern int KSPSetType(KSP,KSPType); 218ed539a5SBarry Smith extern int KSPSetUp(KSP); 228ed539a5SBarry Smith extern int KSPSolve(KSP,int *); 238ed539a5SBarry Smith extern int KSPDestroy(KSP); 242eac72dbSBarry Smith 258ed539a5SBarry Smith extern int KSPRegisterAll(); 26d6dfbf8fSBarry Smith extern int KSPRegisterDestroy(); 274b0e389bSBarry Smith extern int KSPRegister(KSPType,char *,int (*)(KSP)); 282eac72dbSBarry Smith 294b0e389bSBarry Smith extern int KSPGetType(KSP, KSPType *,char **); 30aad2872bSLois Curfman McInnes extern int KSPSetPreconditionerSide(KSP,PCSide); 31aad2872bSLois Curfman McInnes extern int KSPGetPreconditionerSide(KSP,PCSide*); 32ae622e99SLois Curfman McInnes extern int KSPGetTolerances(KSP,double*,double*,double*,int*); 33f9a5357eSLois Curfman McInnes extern int KSPSetTolerances(KSP,double,double,double,int); 34d4fbbf0eSBarry Smith extern int KSPSetComputeResidual(KSP,PetscTruth); 358ed539a5SBarry Smith extern int KSPSetUsePreconditionedResidual(KSP); 36c39b5c85SLois Curfman McInnes extern int KSPSetInitialGuessNonzero(KSP); 37*90f02eecSBarry Smith extern int KSPSetComputeEigenvalues(KSP); 38d4fbbf0eSBarry Smith extern int KSPSetComputeSingularValues(KSP); 398ed539a5SBarry Smith extern int KSPSetRhs(KSP,Vec); 408ed539a5SBarry Smith extern int KSPGetRhs(KSP,Vec *); 418ed539a5SBarry Smith extern int KSPSetSolution(KSP,Vec); 428ed539a5SBarry Smith extern int KSPGetSolution(KSP,Vec *); 432eac72dbSBarry Smith 4477c4ece6SBarry Smith extern int KSPSetPC(KSP,PC); 4577c4ece6SBarry Smith extern int KSPGetPC(KSP,PC*); 46aabeff55SBarry Smith 478ed539a5SBarry Smith extern int KSPSetMonitor(KSP,int (*)(KSP,int,double, void*), void *); 488ed539a5SBarry Smith extern int KSPGetMonitorContext(KSP,void **); 498ed539a5SBarry Smith extern int KSPSetResidualHistory(KSP, double *,int); 504b0e389bSBarry Smith 518ed539a5SBarry Smith extern int KSPSetConvergenceTest(KSP,int (*)(KSP,int,double, void*), void *); 528ed539a5SBarry Smith extern int KSPGetConvergenceContext(KSP,void **); 532eac72dbSBarry Smith 548ed539a5SBarry Smith extern int KSPBuildSolution(KSP, Vec,Vec *); 558ed539a5SBarry Smith extern int KSPBuildResidual(KSP, Vec, Vec,Vec *); 562eac72dbSBarry Smith 578ed539a5SBarry Smith extern int KSPRichardsonSetScale(KSP , double); 588ed539a5SBarry Smith extern int KSPChebychevSetEigenvalues(KSP , double, double); 59d4fbbf0eSBarry Smith extern int KSPComputeExtremeSingularValues(KSP, double*,double*); 60d4fbbf0eSBarry Smith extern int KSPComputeEigenvalues(KSP,int,double*,double*); 61d4fbbf0eSBarry Smith extern int KSPComputeEigenvaluesExplicitly(KSP,int,double*,double*); 624b0e389bSBarry Smith 638ed539a5SBarry Smith extern int KSPGMRESSetRestart(KSP, int); 64b4fd4287SBarry Smith extern int KSPGMRESSetPreAllocateVectors(KSP); 6577c4ece6SBarry Smith extern int KSPGMRESSetOrthogonalization(KSP,int (*)(KSP,int)); 66bcd2baecSBarry Smith extern int KSPGMRESUnmodifiedGramSchmidtOrthogonalization(KSP,int); 67bcd2baecSBarry Smith extern int KSPGMRESModifiedGramSchmidtOrthogonalization(KSP,int); 68bcd2baecSBarry Smith extern int KSPGMRESIROrthogonalization(KSP,int); 6908480c60SBarry Smith 708ed539a5SBarry Smith extern int KSPSetFromOptions(KSP); 71639f9d9dSBarry Smith extern int KSPAddOptionsChecker(int (*)(KSP) ); 722eac72dbSBarry Smith 738f4c8dbaSBarry Smith extern int KSPSingularValueMonitor(KSP,int,double, void * ); 74c01c455dSBarry Smith extern int KSPCGDefaultConverged(KSP,int,double, void *); 758ed539a5SBarry Smith extern int KSPDefaultMonitor(KSP,int,double, void *); 76af6b99e9SBarry Smith extern int KSPTrueMonitor(KSP,int,double, void *); 778c48e012SBarry Smith extern int KSPDefaultSMonitor(KSP,int,double, void *); 788ed539a5SBarry Smith extern int KSPDefaultConverged(KSP,int,double, void *); 792eac72dbSBarry Smith 80c01c455dSBarry Smith extern int KSPResidual(KSP,Vec,Vec,Vec,Vec,Vec,Vec); 8177c4ece6SBarry Smith extern int KSPUnwindPreconditioner(KSP,Vec,Vec); 82c01c455dSBarry Smith extern int KSPDefaultBuildSolution(KSP,Vec,Vec*); 83c01c455dSBarry Smith extern int KSPDefaultBuildResidual(KSP,Vec,Vec,Vec *); 84c01c455dSBarry Smith 858ed539a5SBarry Smith extern int KSPPrintHelp(KSP); 868ed539a5SBarry Smith 871eb62cbbSBarry Smith extern int KSPSetOptionsPrefix(KSP,char*); 880985bb82SSatish Balay extern int KSPAppendOptionsPrefix(KSP,char*); 890985bb82SSatish Balay extern int KSPGetOptionsPrefix(KSP,char**); 901eb62cbbSBarry Smith 918ed539a5SBarry Smith extern int KSPView(KSP,Viewer); 921eb62cbbSBarry Smith 93d4fbbf0eSBarry Smith extern int KSPComputeExplicitOperator(KSP,Mat *); 94d4fbbf0eSBarry Smith 956d4a8577SBarry Smith typedef enum {KSP_CG_SYMMETRIC=1, KSP_CG_HERMITIAN=2} KSPCGType; 966d4a8577SBarry Smith extern int KSPCGSetType(KSP,KSPCGType); 97e559a7feSLois Curfman McInnes 981eb62cbbSBarry Smith #if defined(__DRAW_PACKAGE) 99d7e8b826SBarry Smith extern int KSPLGMonitorCreate(char*,char*,int,int,int,int,DrawLG*); 1001eb62cbbSBarry Smith extern int KSPLGMonitor(KSP,int,double,void*); 101d7e8b826SBarry Smith extern int KSPLGMonitorDestroy(DrawLG); 1023b2fbd54SBarry Smith extern int KSPLGTrueMonitorCreate(MPI_Comm,char*,char*,int,int,int,int,DrawLG*); 103af6b99e9SBarry Smith extern int KSPLGTrueMonitor(KSP,int,double,void*); 104af6b99e9SBarry Smith extern int KSPLGTrueMonitorDestroy(DrawLG); 1051eb62cbbSBarry Smith #endif 1061eb62cbbSBarry Smith 1072eac72dbSBarry Smith #endif 1082eac72dbSBarry Smith 1092eac72dbSBarry Smith 110