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, 11*ca9b4cbeSLois 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*); 17*ca9b4cbeSLois 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(); 27*ca9b4cbeSLois Curfman McInnes extern int PCRegister(PCMethod,char *,int (*)(PC)); 288ed539a5SBarry Smith extern int PCDestroy(PC); 298ed539a5SBarry Smith extern int PCSetFromOptions(PC); 30*ca9b4cbeSLois Curfman McInnes extern int PCGetMethodFromContext(PC,PCMethod*); 31*ca9b4cbeSLois Curfman McInnes extern int PCGetMethodName(PCMethod,char **); 325b116368SBarry Smith 335b116368SBarry Smith /* Flags for PCSetOperators */ 345b116368SBarry Smith #define MAT_SAME_NONZERO_PATTERN 1 355b116368SBarry Smith 3628988994SBarry Smith extern int PCSetOperators(PC,Mat,Mat,int); 3728988994SBarry Smith extern int PCBJacobiSetUseTrueLocal(PC); 388ed539a5SBarry Smith extern int PCSetVector(PC,Vec); 398ed539a5SBarry Smith extern int PCPrintHelp(PC); 401eb62cbbSBarry Smith extern int PCSetOptionsPrefix(PC,char*); 418ed539a5SBarry Smith 428ed539a5SBarry Smith extern int PCSORSetSymmetric(PC, int); 438ed539a5SBarry Smith extern int PCSORSetOmega(PC, double); 445b116368SBarry Smith extern int PCEisenstatSetOmega(PC, double); 4520563c6bSBarry Smith extern int PCSORSetIterations(PC, int); 46d03aef70SBarry Smith 471eb62cbbSBarry Smith extern int PCBJacobiSetBlocks(PC, int); 481eb62cbbSBarry Smith 49e3e2a4cfSLois Curfman McInnes extern int PCBSIterSetBlockSolve(PC); 50e3e2a4cfSLois Curfman McInnes extern int PCBSIterSetFrompOptions(PC); 51e3e2a4cfSLois Curfman McInnes extern int PCBSIterSolve(PC,Vec,Vec,int*); 52c06847eeSLois Curfman McInnes 53aabeff55SBarry Smith extern int PCShellSetApply(PC, int (*)(void*,Vec,Vec), void*); 54f0479e8cSBarry Smith extern int PCShellSetApplyRichardson(PC,int (*)(void*,Vec,Vec,Vec,int),void*); 55aabeff55SBarry Smith 564a18de47SLois Curfman McInnes extern int PCGetOperators(PC,Mat*,Mat*,int*); 57da3a660dSBarry Smith 58070d5079SBarry Smith extern int PCLUSetOrdering(PC,int); 59070d5079SBarry Smith extern int PCLUSetUseInplace(PC); 609e25ed09SBarry Smith extern int PCILUSetOrdering(PC,int); 619e25ed09SBarry Smith extern int PCILUSetLevels(PC,int); 629e25ed09SBarry Smith 63d03aef70SBarry Smith #endif 64da3a660dSBarry Smith 65