xref: /petsc/include/petscksp.h (revision d4fbbf0ea49bb599f06790484d06b33562a2b638)
1*d4fbbf0eSBarry Smith /* $Id: ksp.h,v 1.43 1996/08/05 04:04:10 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);
34*d4fbbf0eSBarry Smith extern int KSPSetComputeResidual(KSP,PetscTruth);
358ed539a5SBarry Smith extern int KSPSetUsePreconditionedResidual(KSP);
36c39b5c85SLois Curfman McInnes extern int KSPSetInitialGuessNonzero(KSP);
37*d4fbbf0eSBarry Smith #define KSPSetComputeEigenvalues(a) KSPSetComputeSingularValues(a)
38*d4fbbf0eSBarry 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);
59*d4fbbf0eSBarry Smith extern int KSPComputeExtremeSingularValues(KSP, double*,double*);
60*d4fbbf0eSBarry Smith extern int KSPComputeEigenvalues(KSP,int,double*,double*);
61*d4fbbf0eSBarry 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);
712eac72dbSBarry Smith 
728f4c8dbaSBarry Smith extern int KSPSingularValueMonitor(KSP,int,double, void * );
73c01c455dSBarry Smith extern int KSPCGDefaultConverged(KSP,int,double, void *);
748ed539a5SBarry Smith extern int KSPDefaultMonitor(KSP,int,double, void *);
75af6b99e9SBarry Smith extern int KSPTrueMonitor(KSP,int,double, void *);
768c48e012SBarry Smith extern int KSPDefaultSMonitor(KSP,int,double, void *);
778ed539a5SBarry Smith extern int KSPDefaultConverged(KSP,int,double, void *);
782eac72dbSBarry Smith 
79c01c455dSBarry Smith extern int KSPResidual(KSP,Vec,Vec,Vec,Vec,Vec,Vec);
8077c4ece6SBarry Smith extern int KSPUnwindPreconditioner(KSP,Vec,Vec);
81c01c455dSBarry Smith extern int KSPDefaultBuildSolution(KSP,Vec,Vec*);
82c01c455dSBarry Smith extern int KSPDefaultBuildResidual(KSP,Vec,Vec,Vec *);
83c01c455dSBarry Smith 
848ed539a5SBarry Smith extern int KSPPrintHelp(KSP);
858ed539a5SBarry Smith 
861eb62cbbSBarry Smith extern int KSPSetOptionsPrefix(KSP,char*);
870985bb82SSatish Balay extern int KSPAppendOptionsPrefix(KSP,char*);
880985bb82SSatish Balay extern int KSPGetOptionsPrefix(KSP,char**);
891eb62cbbSBarry Smith 
908ed539a5SBarry Smith extern int KSPView(KSP,Viewer);
911eb62cbbSBarry Smith 
92*d4fbbf0eSBarry Smith extern int KSPComputeExplicitOperator(KSP,Mat *);
93*d4fbbf0eSBarry Smith 
946d4a8577SBarry Smith typedef enum {KSP_CG_SYMMETRIC=1, KSP_CG_HERMITIAN=2} KSPCGType;
956d4a8577SBarry Smith extern int KSPCGSetType(KSP,KSPCGType);
96e559a7feSLois Curfman McInnes 
971eb62cbbSBarry Smith #if defined(__DRAW_PACKAGE)
98d7e8b826SBarry Smith extern int KSPLGMonitorCreate(char*,char*,int,int,int,int,DrawLG*);
991eb62cbbSBarry Smith extern int KSPLGMonitor(KSP,int,double,void*);
100d7e8b826SBarry Smith extern int KSPLGMonitorDestroy(DrawLG);
101af6b99e9SBarry Smith extern int KSPLGTrueMonitorCreate(char*,char*,int,int,int,int,DrawLG*);
102af6b99e9SBarry Smith extern int KSPLGTrueMonitor(KSP,int,double,void*);
103af6b99e9SBarry Smith extern int KSPLGTrueMonitorDestroy(DrawLG);
1041eb62cbbSBarry Smith #endif
1051eb62cbbSBarry Smith 
1062eac72dbSBarry Smith #endif
1072eac72dbSBarry Smith 
1082eac72dbSBarry Smith 
109