1d03aef70SBarry Smith 2d03aef70SBarry Smith /* 3d03aef70SBarry Smith Preconditioner module. 4d03aef70SBarry Smith */ 5d03aef70SBarry Smith #if !defined(__PC_PACKAGE) 6d03aef70SBarry Smith #define __PC_PACKAGE 7d03aef70SBarry Smith #include "petsc.h" 8d03aef70SBarry Smith #include "mat.h" 9d03aef70SBarry Smith 10070d5079SBarry Smith typedef enum { PCNONE, PCJACOBI, PCSOR, PCLU, PCSHELL, PCBJACOBI, PCMG, 11ca9b4cbeSLois Curfman McInnes PCESOR, PCILU, PCICC } PCMethod; 12d03aef70SBarry Smith 13d03aef70SBarry Smith typedef struct _PC* PC; 149e25ed09SBarry Smith #define PC_COOKIE PETSC_COOKIE+9 15d03aef70SBarry Smith 166b5873e3SBarry Smith extern int PCCreate(MPI_Comm,PC*); 17ca9b4cbeSLois Curfman McInnes extern int PCSetMethod(PC,PCMethod); 188ed539a5SBarry Smith extern int PCSetUp(PC); 19aabeff55SBarry Smith extern int PCApply(PC,Vec,Vec); 20aabeff55SBarry Smith extern int PCApplyBAorAB(PC,int,Vec,Vec,Vec); 21aabeff55SBarry Smith extern int PCApplyTrans(PC,Vec,Vec); 22aabeff55SBarry Smith extern int PCApplyBAorABTrans(PC,int,Vec,Vec,Vec); 23aabeff55SBarry Smith extern int PCApplyRichardson(PC,Vec,Vec,Vec,int); 248ed539a5SBarry Smith extern int PCApplyRichardsonExists(PC); 258ed539a5SBarry Smith extern int PCRegisterAll(); 26d6dfbf8fSBarry Smith extern int PCRegisterDestroy(); 27ca9b4cbeSLois Curfman McInnes extern int PCRegister(PCMethod,char *,int (*)(PC)); 288ed539a5SBarry Smith extern int PCDestroy(PC); 298ed539a5SBarry Smith extern int PCSetFromOptions(PC); 30ca9b4cbeSLois Curfman McInnes extern int PCGetMethodFromContext(PC,PCMethod*); 31ca9b4cbeSLois Curfman McInnes extern int PCGetMethodName(PCMethod,char **); 325b116368SBarry Smith 335b116368SBarry Smith /* Flags for PCSetOperators */ 34*96e03844SLois Curfman McInnes typedef enum {ALLMAT_DIFFERENT_NONZERO_PATTERN=0,MAT_SAME_NONZERO_PATTERN=1, 35*96e03844SLois Curfman McInnes PMAT_SAME_NONZERO_PATTERN=2,ALLMAT_SAME_NONZERO_PATTERN=3} 36*96e03844SLois Curfman McInnes MatStructure; 375b116368SBarry Smith 38*96e03844SLois Curfman McInnes extern int PCSetOperators(PC,Mat,Mat,MatStructure); 3928988994SBarry Smith extern int PCBJacobiSetUseTrueLocal(PC); 408ed539a5SBarry Smith extern int PCSetVector(PC,Vec); 418ed539a5SBarry Smith extern int PCPrintHelp(PC); 421eb62cbbSBarry Smith extern int PCSetOptionsPrefix(PC,char*); 438ed539a5SBarry Smith 44ddda3453SLois Curfman McInnes extern int PCSORSetSymmetric(PC, MatSORType); 458ed539a5SBarry Smith extern int PCSORSetOmega(PC, double); 465b116368SBarry Smith extern int PCEisenstatSetOmega(PC, double); 4720563c6bSBarry Smith extern int PCSORSetIterations(PC, int); 48d03aef70SBarry Smith 491eb62cbbSBarry Smith extern int PCBJacobiSetBlocks(PC, int); 501eb62cbbSBarry Smith 51e3e2a4cfSLois Curfman McInnes extern int PCBSIterSetBlockSolve(PC); 52e3e2a4cfSLois Curfman McInnes extern int PCBSIterSetFrompOptions(PC); 53e3e2a4cfSLois Curfman McInnes extern int PCBSIterSolve(PC,Vec,Vec,int*); 54c06847eeSLois Curfman McInnes 55aabeff55SBarry Smith extern int PCShellSetApply(PC, int (*)(void*,Vec,Vec), void*); 56f0479e8cSBarry Smith extern int PCShellSetApplyRichardson(PC,int (*)(void*,Vec,Vec,Vec,int),void*); 57aabeff55SBarry Smith 584a18de47SLois Curfman McInnes extern int PCGetOperators(PC,Mat*,Mat*,int*); 59da3a660dSBarry Smith 6098c7c891SBarry Smith extern int PCLUSetOrdering(PC,MatOrdering); 61070d5079SBarry Smith extern int PCLUSetUseInplace(PC); 6298c7c891SBarry Smith extern int PCILUSetOrdering(PC,MatOrdering); 639e25ed09SBarry Smith extern int PCILUSetLevels(PC,int); 649e25ed09SBarry Smith 65d03aef70SBarry Smith #endif 66da3a660dSBarry Smith 67