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 } PCMETHOD; 11 12 typedef struct _PC* PC; 13 14 extern int PCCreate(PC*); 15 extern int PCSetMethod(PC,PCMETHOD); 16 extern int PCApply(void*,Vec,Vec); 17 extern int PCSetUp(PC); 18 extern int PCApplyRichardson(void *,Vec,Vec,Vec,int); 19 extern int PCApplyRichardsonExists(PC); 20 extern int PCRegisterAll(); 21 extern int PCRegister(PCMETHOD,char *,int (*)(PC)); 22 extern int PCDestroy(PC); 23 extern int PCSetFromOptions(PC); 24 extern int PCGetMethodFromOptions(int,char *,PCMETHOD *); 25 extern int PCPrintMethods(char *); 26 extern int PCGetMethodFromContext(PC,PCMETHOD*); 27 extern int PCGetMethodName(PCMETHOD,char **); 28 extern int PCSetMatrix(PC,Mat); 29 extern int PCGetMatrix(PC,Mat*); 30 extern int PCSetVector(PC,Vec); 31 extern int PCPrintHelp(PC); 32 33 extern int PCSORSetSymmetric(PC, int); 34 extern int PCSORSetOmega(PC, double); 35 36 #endif 37