1 2 /* 3 Preconditioner module. 4 */ 5 #if !defined(__PC_PACKAGE) 6 #define __PC_PACKAGE 7 #include "petsc.h" 8 #include "mat.h" 9 10 typedef enum { PCNONE, PCJACOBI, PCSOR, PCDIRECT, PCSHELL, PCBJACOBI, PCMG, 11 PCESOR, PCILU, PCICC } PCMETHOD; 12 13 typedef struct _PC* PC; 14 #define PC_COOKIE PETSC_COOKIE+9 15 16 extern int PCCreate(PC*); 17 extern int PCSetMethod(PC,PCMETHOD); 18 extern int PCSetUp(PC); 19 extern int PCApply(PC,Vec,Vec); 20 extern int PCApplyBAorAB(PC,int,Vec,Vec,Vec); 21 extern int PCApplyTrans(PC,Vec,Vec); 22 extern int PCApplyBAorABTrans(PC,int,Vec,Vec,Vec); 23 extern int PCApplyRichardson(PC,Vec,Vec,Vec,int); 24 extern int PCApplyRichardsonExists(PC); 25 extern int PCRegisterAll(); 26 extern int PCRegisterDestroy(); 27 extern int PCRegister(PCMETHOD,char *,int (*)(PC)); 28 extern int PCDestroy(PC); 29 extern int PCSetFromOptions(PC); 30 extern int PCGetMethodFromOptions(PC pc,PCMETHOD *); 31 extern int PCPrintMethods(char*,char *); 32 extern int PCGetMethodFromContext(PC,PCMETHOD*); 33 extern int PCGetMethodName(PCMETHOD,char **); 34 extern int PCSetOperators(PC,Mat,Mat,int); 35 extern int PCBJacobiSetUseTrueLocal(PC); 36 extern int PCSetVector(PC,Vec); 37 extern int PCPrintHelp(PC); 38 extern int PCSetOptionsPrefix(PC,char*); 39 40 extern int PCSORSetSymmetric(PC, int); 41 extern int PCSORSetOmega(PC, double); 42 extern int PCESORSetOmega(PC, double); 43 extern int PCSORSetIterations(PC, int); 44 45 extern int PCBJacobiSetBlocks(PC, int); 46 47 extern int PCShellSetApply(PC, int (*)(void*,Vec,Vec), void*); 48 extern int PCShellSetApplyRichardson(PC,int (*)(void*,Vec,Vec,Vec,int),void*); 49 50 extern Mat PCGetMat(PC); 51 52 extern int PCDirectSetOrdering(PC,int); 53 extern int PCDirectSetUseInplace(PC); 54 extern int PCILUSetOrdering(PC,int); 55 extern int PCILUSetLevels(PC,int); 56 57 #endif 58 59