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 10da3a660dSBarry Smith typedef enum { PCNONE, PCJACOBI, PCSOR, PCDIRECT, PCSHELL, PCBJACOBI, PCMG, 111c199b55SLois Curfman McInnes PCESOR, PCILU, PCICC } PCMETHOD; 12d03aef70SBarry Smith 13d03aef70SBarry Smith typedef struct _PC* PC; 149e25ed09SBarry Smith #define PC_COOKIE PETSC_COOKIE+9 15d03aef70SBarry Smith 16*6b5873e3SBarry Smith extern int PCCreate(MPI_Comm,PC*); 178ed539a5SBarry Smith 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(); 278ed539a5SBarry Smith extern int PCRegister(PCMETHOD,char *,int (*)(PC)); 288ed539a5SBarry Smith extern int PCDestroy(PC); 298ed539a5SBarry Smith extern int PCSetFromOptions(PC); 301eb62cbbSBarry Smith extern int PCGetMethodFromOptions(PC pc,PCMETHOD *); 311eb62cbbSBarry Smith extern int PCPrintMethods(char*,char *); 328ed539a5SBarry Smith extern int PCGetMethodFromContext(PC,PCMETHOD*); 338ed539a5SBarry Smith extern int PCGetMethodName(PCMETHOD,char **); 345b116368SBarry Smith 355b116368SBarry Smith /* Flags for PCSetOperators */ 365b116368SBarry Smith #define MAT_SAME_NONZERO_PATTERN 1 375b116368SBarry Smith 3828988994SBarry Smith extern int PCSetOperators(PC,Mat,Mat,int); 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 448ed539a5SBarry Smith extern int PCSORSetSymmetric(PC, int); 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 51c06847eeSLois Curfman McInnes extern int PCICCSetBlockSolveIter(PC); 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 589e25ed09SBarry Smith extern int PCDirectSetOrdering(PC,int); 599e25ed09SBarry Smith extern int PCDirectSetUseInplace(PC); 609e25ed09SBarry Smith extern int PCILUSetOrdering(PC,int); 619e25ed09SBarry Smith extern int PCILUSetLevels(PC,int); 629e25ed09SBarry Smith 63d03aef70SBarry Smith #endif 64da3a660dSBarry Smith 65