1*065ac47aSLois Curfman McInnes /* $Id: ksp.h,v 1.20 1995/07/20 17:53:18 curfman Exp curfman $ */ 22eac72dbSBarry Smith 32eac72dbSBarry Smith #ifndef __KSP_PACKAGE 42eac72dbSBarry Smith #define __KSP_PACKAGE 52eac72dbSBarry Smith #include "petsc.h" 62eac72dbSBarry Smith #include "vec.h" 7aabeff55SBarry Smith #include "mat.h" 8aabeff55SBarry Smith #include "pc.h" 92eac72dbSBarry Smith 109e25ed09SBarry Smith #define KSP_COOKIE PETSC_COOKIE+8 11f0479e8cSBarry Smith 122eac72dbSBarry Smith typedef struct _KSP* KSP; 132eac72dbSBarry Smith 142eac72dbSBarry Smith /* Possible Krylov Space Methods */ 152eac72dbSBarry Smith typedef enum { KSPRICHARDSON, KSPCHEBYCHEV, KSPCG, KSPGMRES, 162eac72dbSBarry Smith KSPTCQMR, KSPBCGS, KSPCGS, KSPTFQMR, KSPCR, KSPLSQR, 17*065ac47aSLois Curfman McInnes KSPPREONLY, KSPQCG } KSPMethod; 182eac72dbSBarry Smith 196b5873e3SBarry Smith extern int KSPCreate(MPI_Comm,KSP *); 20f8936d11SLois Curfman McInnes extern int KSPSetMethod(KSP,KSPMethod); 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(); 27f8936d11SLois Curfman McInnes extern int KSPRegister(KSPMethod,char *,int (*)(KSP)); 282eac72dbSBarry Smith 29f8936d11SLois Curfman McInnes extern int KSPGetMethodName(KSPMethod,char **); 308ed539a5SBarry Smith extern int KSPSetRightPreconditioner(KSP); 318ed539a5SBarry Smith extern int KSPGetPreconditionerSide(KSP,int *); 32f8936d11SLois Curfman McInnes extern int KSPGetMethodFromContext(KSP,KSPMethod *); 33ae622e99SLois Curfman McInnes extern int KSPGetTolerances(KSP,double*,double*,double*,int*); 34f9a5357eSLois Curfman McInnes extern int KSPSetTolerances(KSP,double,double,double,int); 35f8936d11SLois Curfman McInnes extern int KSPSetCalculateResidual(KSP,PetscTruth); 368ed539a5SBarry Smith extern int KSPSetUsePreconditionedResidual(KSP); 37c39b5c85SLois Curfman McInnes extern int KSPSetInitialGuessNonzero(KSP); 388ed539a5SBarry Smith extern int KSPSetCalculateEigenvalues(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 44aabeff55SBarry Smith extern int KSPSetBinv(KSP,PC); 45aabeff55SBarry Smith extern int KSPGetBinv(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); 508ed539a5SBarry Smith extern int KSPSetConvergenceTest(KSP,int (*)(KSP,int,double, void*), void *); 518ed539a5SBarry Smith extern int KSPGetConvergenceContext(KSP,void **); 522eac72dbSBarry Smith 538ed539a5SBarry Smith extern int KSPBuildSolution(KSP, Vec,Vec *); 548ed539a5SBarry Smith extern int KSPBuildResidual(KSP, Vec, Vec,Vec *); 552eac72dbSBarry Smith 568ed539a5SBarry Smith extern int KSPRichardsonSetScale(KSP , double); 578ed539a5SBarry Smith extern int KSPChebychevSetEigenvalues(KSP , double, double); 588ed539a5SBarry Smith extern int KSPCGGetEigenvalues(KSP, int n,double*,double*); 598ed539a5SBarry Smith extern int KSPGMRESSetRestart(KSP, int); 60441f95eaSBarry Smith extern int KSPGMRESSetUseUnmodifiedGrammSchmidt(KSP); 618ed539a5SBarry Smith extern int KSPSetFromOptions(KSP); 622eac72dbSBarry Smith 638ed539a5SBarry Smith extern int KSPDefaultCGMonitor(KSP,int,double, void * ); 648ed539a5SBarry Smith extern int KSPDefaultCGConverged(KSP,int,double, void *); 658ed539a5SBarry Smith extern int KSPDefaultMonitor(KSP,int,double, void *); 668c48e012SBarry Smith extern int KSPDefaultSMonitor(KSP,int,double, void *); 678ed539a5SBarry Smith extern int KSPDefaultConverged(KSP,int,double, void *); 682eac72dbSBarry Smith 698ed539a5SBarry Smith extern int KSPPrintHelp(KSP); 708ed539a5SBarry Smith 711eb62cbbSBarry Smith extern int KSPSetOptionsPrefix(KSP,char*); 721eb62cbbSBarry Smith 738ed539a5SBarry Smith extern int KSPView(KSP,Viewer); 741eb62cbbSBarry Smith 751eb62cbbSBarry Smith #if defined(__DRAW_PACKAGE) 761eb62cbbSBarry Smith extern int KSPLGMonitorCreate(char*,char*,int,int,int,int,DrawLGCtx*); 771eb62cbbSBarry Smith extern int KSPLGMonitor(KSP,int,double,void*); 781eb62cbbSBarry Smith extern int KSPLGMonitorDestroy(DrawLGCtx); 791eb62cbbSBarry Smith #endif 801eb62cbbSBarry Smith 812eac72dbSBarry Smith #endif 822eac72dbSBarry Smith 832eac72dbSBarry Smith 84