1*d7e8b826SBarry Smith /* $Id: pc.h,v 1.36 1995/11/01 19:12:32 bsmith Exp bsmith $ */ 2d03aef70SBarry Smith 3d03aef70SBarry Smith /* 4d03aef70SBarry Smith Preconditioner module. 5d03aef70SBarry Smith */ 6d03aef70SBarry Smith #if !defined(__PC_PACKAGE) 7d03aef70SBarry Smith #define __PC_PACKAGE 8d03aef70SBarry Smith #include "petsc.h" 9d03aef70SBarry Smith #include "mat.h" 10d03aef70SBarry Smith 11070d5079SBarry Smith typedef enum { PCNONE, PCJACOBI, PCSOR, PCLU, PCSHELL, PCBJACOBI, PCMG, 12cddf8d76SBarry Smith PCEISENSTAT, PCILU, PCICC, PCASM } PCMethod; 13d03aef70SBarry Smith 14d03aef70SBarry Smith typedef struct _PC* PC; 159e25ed09SBarry Smith #define PC_COOKIE PETSC_COOKIE+9 16d03aef70SBarry Smith 176b5873e3SBarry Smith extern int PCCreate(MPI_Comm,PC*); 18ca9b4cbeSLois Curfman McInnes extern int PCSetMethod(PC,PCMethod); 198ed539a5SBarry Smith extern int PCSetUp(PC); 20aabeff55SBarry Smith extern int PCApply(PC,Vec,Vec); 21aabeff55SBarry Smith extern int PCApplyBAorAB(PC,int,Vec,Vec,Vec); 22aabeff55SBarry Smith extern int PCApplyTrans(PC,Vec,Vec); 23aabeff55SBarry Smith extern int PCApplyBAorABTrans(PC,int,Vec,Vec,Vec); 24aabeff55SBarry Smith extern int PCApplyRichardson(PC,Vec,Vec,Vec,int); 258ed539a5SBarry Smith extern int PCApplyRichardsonExists(PC); 268ed539a5SBarry Smith extern int PCRegisterAll(); 27d6dfbf8fSBarry Smith extern int PCRegisterDestroy(); 28ca9b4cbeSLois Curfman McInnes extern int PCRegister(PCMethod,char *,int (*)(PC)); 298ed539a5SBarry Smith extern int PCDestroy(PC); 308ed539a5SBarry Smith extern int PCSetFromOptions(PC); 31ca9b4cbeSLois Curfman McInnes extern int PCGetMethodFromContext(PC,PCMethod*); 32ca9b4cbeSLois Curfman McInnes extern int PCGetMethodName(PCMethod,char **); 33291315efSLois Curfman McInnes extern int PCGetFactoredMatrix(PC,Mat*); 345b116368SBarry Smith 355b116368SBarry Smith /* Flags for PCSetOperators */ 3696e03844SLois Curfman McInnes typedef enum {ALLMAT_DIFFERENT_NONZERO_PATTERN=0,MAT_SAME_NONZERO_PATTERN=1, 3796e03844SLois Curfman McInnes PMAT_SAME_NONZERO_PATTERN=2,ALLMAT_SAME_NONZERO_PATTERN=3} 3896e03844SLois Curfman McInnes MatStructure; 395b116368SBarry Smith 4096e03844SLois Curfman McInnes extern int PCSetOperators(PC,Mat,Mat,MatStructure); 4128988994SBarry Smith extern int PCBJacobiSetUseTrueLocal(PC); 428ed539a5SBarry Smith extern int PCSetVector(PC,Vec); 438ed539a5SBarry Smith extern int PCPrintHelp(PC); 44023758ceSLois Curfman McInnes extern int PCView(PC,Viewer); 451eb62cbbSBarry Smith extern int PCSetOptionsPrefix(PC,char*); 468ed539a5SBarry Smith 47ddda3453SLois Curfman McInnes extern int PCSORSetSymmetric(PC, MatSORType); 488ed539a5SBarry Smith extern int PCSORSetOmega(PC, double); 495b116368SBarry Smith extern int PCEisenstatSetOmega(PC, double); 5020563c6bSBarry Smith extern int PCSORSetIterations(PC, int); 51d03aef70SBarry Smith 521987afe7SBarry Smith extern int PCBJacobiSetTotalBlocks(PC, int, int*); 531987afe7SBarry Smith extern int PCBJacobiSetLocalBlocks(PC, int, int*); 541eb62cbbSBarry Smith 55e3e2a4cfSLois Curfman McInnes extern int PCBSIterSetBlockSolve(PC); 567d5e31e2SLois Curfman McInnes extern int PCBSIterSetFromOptions(PC); 57e3e2a4cfSLois Curfman McInnes extern int PCBSIterSolve(PC,Vec,Vec,int*); 58c06847eeSLois Curfman McInnes 59aabeff55SBarry Smith extern int PCShellSetApply(PC, int (*)(void*,Vec,Vec), void*); 60f0479e8cSBarry Smith extern int PCShellSetApplyRichardson(PC,int (*)(void*,Vec,Vec,Vec,int),void*); 61aabeff55SBarry Smith 62722fc279SLois Curfman McInnes extern int PCGetOperators(PC,Mat*,Mat*,MatStructure*); 63da3a660dSBarry Smith 640213d9f2SLois Curfman McInnes extern int PCLUSetUseInPlace(PC); 650213d9f2SLois Curfman McInnes extern int PCILUSetUseInPlace(PC); 669e25ed09SBarry Smith extern int PCILUSetLevels(PC,int); 6724a74354SBarry Smith extern int PCEisenstatUseDiagonalScaling(PC); 689e25ed09SBarry Smith 69*d7e8b826SBarry Smith extern int PCASMCreateSubdomains2D(int,int,int,int,int,int,int *,IS **); 70*d7e8b826SBarry Smith extern int PCASMSetSubdomains(PC, int, IS *); 7160907fceSBarry Smith 72d03aef70SBarry Smith #endif 73da3a660dSBarry Smith 74